Test gitpod

Add instructions specific to Zoom, explaining how to
use the chat room and the non-verbal communication cues

.gitignore

@@ -8,6 +8,7 @@ slides/*.yml.html
 slides/autopilot/state.yaml
 slides/index.html
 slides/past.html
+slides/slides.zip
 node_modules
 
 ### macOS ###

.gitpod.yml

@@ -0,0 +1 @@
+image: jpetazzo/shpod

compose/kube-router-k8s-control-plane/docker-compose.yaml

@@ -9,21 +9,21 @@ services:
 
   etcd:
     network_mode: "service:pause"
-    image: k8s.gcr.io/etcd:3.3.10
+    image: k8s.gcr.io/etcd:3.4.3
     command: etcd
 
   kube-apiserver:
     network_mode: "service:pause"
-    image: k8s.gcr.io/hyperkube:v1.14.0
+    image: k8s.gcr.io/hyperkube:v1.17.2
     command: kube-apiserver --etcd-servers http://127.0.0.1:2379 --address 0.0.0.0 --disable-admission-plugins=ServiceAccount --allow-privileged
 
   kube-controller-manager:
     network_mode: "service:pause"
-    image: k8s.gcr.io/hyperkube:v1.14.0
+    image: k8s.gcr.io/hyperkube:v1.17.2
     command: kube-controller-manager --master http://localhost:8080 --allocate-node-cidrs --cluster-cidr=10.CLUSTER.0.0/16
     "Edit the CLUSTER placeholder first. Then, remove this line.":
     
   kube-scheduler:
     network_mode: "service:pause"
-    image: k8s.gcr.io/hyperkube:v1.14.0
+    image: k8s.gcr.io/hyperkube:v1.17.2
     command: kube-scheduler --master http://localhost:8080

compose/kube-router-k8s-control-plane/kuberouter.yaml

@@ -12,7 +12,6 @@ metadata:
   name: kube-router-cfg
   namespace: kube-system
   labels:
-    tier: node
     k8s-app: kube-router
 data:
   cni-conf.json: |
@@ -32,20 +31,21 @@ data:
        ]
     }
 ---
-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 kind: DaemonSet
 metadata:
   labels:
     k8s-app: kube-router
-    tier: node
   name: kube-router
   namespace: kube-system
 spec:
+  selector:
+    matchLabels:
+      k8s-app: kube-router
   template:
     metadata:
       labels:
         k8s-app: kube-router
-        tier: node
       annotations:
         scheduler.alpha.kubernetes.io/critical-pod: ''
     spec:

compose/simple-k8s-control-plane/docker-compose.yaml

@@ -9,20 +9,20 @@ services:
 
   etcd:
     network_mode: "service:pause"
-    image: k8s.gcr.io/etcd:3.3.10
+    image: k8s.gcr.io/etcd:3.4.3
     command: etcd
 
   kube-apiserver:
     network_mode: "service:pause"
-    image: k8s.gcr.io/hyperkube:v1.14.0
+    image: k8s.gcr.io/hyperkube:v1.17.2
     command: kube-apiserver --etcd-servers http://127.0.0.1:2379 --address 0.0.0.0 --disable-admission-plugins=ServiceAccount
 
   kube-controller-manager:
     network_mode: "service:pause"
-    image: k8s.gcr.io/hyperkube:v1.14.0
+    image: k8s.gcr.io/hyperkube:v1.17.2
     command: kube-controller-manager --master http://localhost:8080
     
   kube-scheduler:
     network_mode: "service:pause"
-    image: k8s.gcr.io/hyperkube:v1.14.0
+    image: k8s.gcr.io/hyperkube:v1.17.2
     command: kube-scheduler --master http://localhost:8080

k8s/canary.yaml

@@ -0,0 +1,21 @@
+apiVersion: networking.k8s.io/v1beta1
+kind: Ingress
+metadata:
+  name: whatever
+  annotations:
+    traefik.ingress.kubernetes.io/service-weights: |
+      whatever: 90%
+      whatever-new: 10%
+spec:
+  rules:
+  - host: whatever.A.B.C.D.nip.io
+    http:
+      paths:
+      - path: /
+        backend:
+          serviceName: whatever
+          servicePort: 80
+      - path: /
+        backend:
+          serviceName: whatever-new
+          servicePort: 80

k8s/coffee-1.yaml

@@ -0,0 +1,15 @@
+apiVersion: apiextensions.k8s.io/v1beta1
+kind: CustomResourceDefinition
+metadata:
+  name: coffees.container.training
+spec:
+  group: container.training
+  version: v1alpha1
+  scope: Namespaced
+  names:
+    plural: coffees
+    singular: coffee
+    kind: Coffee
+    shortNames:
+    - cof
+

k8s/coffee-2.yaml

@@ -0,0 +1,35 @@
+apiVersion: apiextensions.k8s.io/v1
+kind: CustomResourceDefinition
+metadata:
+  name: coffees.container.training
+spec:
+  group: container.training
+  scope: Namespaced
+  names:
+    plural: coffees
+    singular: coffee
+    kind: Coffee
+    shortNames:
+    - cof
+  versions:
+  - name: v1alpha1
+    served: true
+    storage: true
+    schema:
+      openAPIV3Schema:
+        properties:
+          spec:
+            required:
+            - taste
+            properties:
+              taste:
+                description: Subjective taste of that kind of coffee bean
+                type: string
+    additionalPrinterColumns:
+    - jsonPath: .spec.taste
+      description: Subjective taste of that kind of coffee bean
+      name: Taste
+      type: string
+    - jsonPath: .metadata.creationTimestamp
+      name: Age
+      type: date

k8s/coffees.yaml

@@ -0,0 +1,29 @@
+---
+kind: Coffee
+apiVersion: container.training/v1alpha1
+metadata:
+  name: arabica
+spec:
+  taste: strong
+---
+kind: Coffee
+apiVersion: container.training/v1alpha1
+metadata:
+  name: robusta
+spec:
+  taste: stronger
+---
+kind: Coffee
+apiVersion: container.training/v1alpha1
+metadata:
+  name: liberica
+spec:
+  taste: smoky
+---
+kind: Coffee
+apiVersion: container.training/v1alpha1
+metadata:
+  name: excelsa
+spec:
+  taste: fruity
+

k8s/consul.yaml

@@ -2,8 +2,6 @@ apiVersion: rbac.authorization.k8s.io/v1
 kind: ClusterRole
 metadata:
   name: consul
-  labels:
-    app: consul
 rules:
   - apiGroups: [""]
     resources:
@@ -29,8 +27,6 @@ apiVersion: v1
 kind: ServiceAccount
 metadata:
   name: consul
-  labels:
-    app: consul
 ---
 apiVersion: v1
 kind: Service
@@ -72,7 +68,7 @@ spec:
       terminationGracePeriodSeconds: 10
       containers:
         - name: consul
-          image: "consul:1.5"
+          image: "consul:1.6"
           args:
             - "agent"
             - "-bootstrap-expect=3"

k8s/eck-cerebro.yaml

@@ -0,0 +1,69 @@
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  labels:
+    app: cerebro
+  name: cerebro
+spec:
+  selector:
+    matchLabels:
+      app: cerebro
+  template:
+    metadata:
+      labels:
+        app: cerebro
+    spec:
+      volumes:
+      - name: conf
+        configMap:
+          name: cerebro
+      containers:
+      - image: lmenezes/cerebro
+        name: cerebro
+        volumeMounts:
+        - name: conf
+          mountPath: /conf
+        args:
+        - -Dconfig.file=/conf/application.conf
+        env:
+        - name: ELASTICSEARCH_PASSWORD
+          valueFrom:       
+            secretKeyRef:      
+              name: demo-es-elastic-user
+              key: elastic
+
+---
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    app: cerebro
+  name: cerebro
+spec:
+  ports:
+  - port: 9000
+    protocol: TCP
+    targetPort: 9000
+  selector:
+    app: cerebro
+  type: NodePort
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: cerebro
+data:
+  application.conf: |
+    secret = "ki:s:[[@=Ag?QI`W2jMwkY:eqvrJ]JqoJyi2axj3ZvOv^/KavOT4ViJSv?6YY4[N"
+
+    hosts = [
+      {
+        host = "http://demo-es-http.eck-demo.svc.cluster.local:9200"
+        name = "demo"
+        auth = {
+          username = "elastic"
+          password = ${?ELASTICSEARCH_PASSWORD}
+        }
+      }
+    ]

k8s/eck-elasticsearch.yaml

@@ -0,0 +1,19 @@
+apiVersion: elasticsearch.k8s.elastic.co/v1
+kind: Elasticsearch
+metadata:
+  name: demo
+  namespace: eck-demo
+spec:
+  http:
+    tls:
+      selfSignedCertificate:
+        disabled: true
+  nodeSets:
+  - name: default
+    count: 1
+    config:
+      node.data: true
+      node.ingest: true
+      node.master: true
+      node.store.allow_mmap: false
+  version: 7.5.1

k8s/eck-filebeat.yaml

@@ -0,0 +1,168 @@
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: filebeat-config
+  namespace: eck-demo
+  labels:
+    k8s-app: filebeat
+data:
+  filebeat.yml: |-
+    filebeat.inputs:
+    - type: container
+      paths:
+        - /var/log/containers/*.log
+      processors:
+        - add_kubernetes_metadata:
+            host: ${NODE_NAME}
+            matchers:
+            - logs_path:
+                logs_path: "/var/log/containers/"
+
+    # To enable hints based autodiscover, remove `filebeat.inputs` configuration and uncomment this:
+    #filebeat.autodiscover:
+    #  providers:
+    #    - type: kubernetes
+    #      node: ${NODE_NAME}
+    #      hints.enabled: true
+    #      hints.default_config:
+    #        type: container
+    #        paths:
+    #          - /var/log/containers/*${data.kubernetes.container.id}.log
+
+    processors:
+      - add_cloud_metadata:
+      - add_host_metadata:
+
+    cloud.id: ${ELASTIC_CLOUD_ID}
+    cloud.auth: ${ELASTIC_CLOUD_AUTH}
+
+    output.elasticsearch:
+      hosts: ['${ELASTICSEARCH_HOST:elasticsearch}:${ELASTICSEARCH_PORT:9200}']
+      username: ${ELASTICSEARCH_USERNAME}
+      password: ${ELASTICSEARCH_PASSWORD}
+---
+apiVersion: apps/v1
+kind: DaemonSet
+metadata:
+  name: filebeat
+  namespace: eck-demo
+  labels:
+    k8s-app: filebeat
+spec:
+  selector:
+    matchLabels:
+      k8s-app: filebeat
+  template:
+    metadata:
+      labels:
+        k8s-app: filebeat
+    spec:
+      serviceAccountName: filebeat
+      terminationGracePeriodSeconds: 30
+      hostNetwork: true
+      dnsPolicy: ClusterFirstWithHostNet
+      containers:
+      - name: filebeat
+        image: docker.elastic.co/beats/filebeat:7.5.1
+        args: [
+          "-c", "/etc/filebeat.yml",
+          "-e",
+        ]
+        env:
+        - name: ELASTICSEARCH_HOST
+          value: demo-es-http
+        - name: ELASTICSEARCH_PORT
+          value: "9200"
+        - name: ELASTICSEARCH_USERNAME
+          value: elastic
+        - name: ELASTICSEARCH_PASSWORD
+          valueFrom:
+            secretKeyRef:
+              name: demo-es-elastic-user
+              key: elastic
+        - name: ELASTIC_CLOUD_ID
+          value:
+        - name: ELASTIC_CLOUD_AUTH
+          value:
+        - name: NODE_NAME
+          valueFrom:
+            fieldRef:
+              fieldPath: spec.nodeName
+        securityContext:
+          runAsUser: 0
+          # If using Red Hat OpenShift uncomment this:
+          #privileged: true
+        resources:
+          limits:
+            memory: 200Mi
+          requests:
+            cpu: 100m
+            memory: 100Mi
+        volumeMounts:
+        - name: config
+          mountPath: /etc/filebeat.yml
+          readOnly: true
+          subPath: filebeat.yml
+        - name: data
+          mountPath: /usr/share/filebeat/data
+        - name: varlibdockercontainers
+          mountPath: /var/lib/docker/containers
+          readOnly: true
+        - name: varlog
+          mountPath: /var/log
+          readOnly: true
+      volumes:
+      - name: config
+        configMap:
+          defaultMode: 0600
+          name: filebeat-config
+      - name: varlibdockercontainers
+        hostPath:
+          path: /var/lib/docker/containers
+      - name: varlog
+        hostPath:
+          path: /var/log
+      # data folder stores a registry of read status for all files, so we don't send everything again on a Filebeat pod restart
+      - name: data
+        hostPath:
+          path: /var/lib/filebeat-data
+          type: DirectoryOrCreate
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: filebeat
+subjects:
+- kind: ServiceAccount
+  name: filebeat
+  namespace: eck-demo
+roleRef:
+  kind: ClusterRole
+  name: filebeat
+  apiGroup: rbac.authorization.k8s.io
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: filebeat
+  labels:
+    k8s-app: filebeat
+rules:
+- apiGroups: [""] # "" indicates the core API group
+  resources:
+  - namespaces
+  - pods
+  verbs:
+  - get
+  - watch
+  - list
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: filebeat
+  namespace: eck-demo
+  labels:
+    k8s-app: filebeat
+---

k8s/eck-kibana.yaml

@@ -0,0 +1,17 @@
+apiVersion: kibana.k8s.elastic.co/v1
+kind: Kibana
+metadata:
+  name: demo
+spec:
+  version: 7.5.1
+  count: 1
+  elasticsearchRef:
+    name: demo
+    namespace: eck-demo
+  http:
+    service:
+      spec:
+        type: NodePort
+    tls:
+      selfSignedCertificate:
+        disabled: true

k8s/efk.yaml

@@ -3,6 +3,7 @@ apiVersion: v1
 kind: ServiceAccount
 metadata:
   name: fluentd
+  namespace: default
 ---
 apiVersion: rbac.authorization.k8s.io/v1beta1
 kind: ClusterRole
@@ -36,6 +37,7 @@ apiVersion: apps/v1
 kind: DaemonSet
 metadata:
   name: fluentd
+  namespace: default
   labels:
     app: fluentd
 spec:
@@ -95,6 +97,7 @@ metadata:
   labels:
     app: elasticsearch
   name: elasticsearch
+  namespace: default
 spec:
   selector:
     matchLabels:
@@ -122,6 +125,7 @@ metadata:
   labels:
     app: elasticsearch
   name: elasticsearch
+  namespace: default
 spec:
   ports:
   - port: 9200
@@ -137,6 +141,7 @@ metadata:
   labels:
     app: kibana
   name: kibana
+  namespace: default
 spec:
   selector:
     matchLabels:
@@ -160,6 +165,7 @@ metadata:
   labels:
     app: kibana
   name: kibana
+  namespace: default
 spec:
   ports:
   - port: 5601

k8s/insecure-dashboard.yaml

@@ -12,19 +12,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# ------------------- Dashboard Secret ------------------- #
-
 apiVersion: v1
-kind: Secret
+kind: Namespace
 metadata:
-  labels:
-    k8s-app: kubernetes-dashboard
-  name: kubernetes-dashboard-certs
-  namespace: kube-system
-type: Opaque
+  name: kubernetes-dashboard
 
 ---
-# ------------------- Dashboard Service Account ------------------- #
 
 apiVersion: v1
 kind: ServiceAccount
@@ -32,62 +25,147 @@ metadata:
   labels:
     k8s-app: kubernetes-dashboard
   name: kubernetes-dashboard
-  namespace: kube-system
+  namespace: kubernetes-dashboard
+
+---
+
+kind: Service
+apiVersion: v1
+metadata:
+  labels:
+    k8s-app: kubernetes-dashboard
+  name: kubernetes-dashboard
+  namespace: kubernetes-dashboard
+spec:
+  ports:
+    - port: 443
+      targetPort: 8443
+  selector:
+    k8s-app: kubernetes-dashboard
+
+---
+
+apiVersion: v1
+kind: Secret
+metadata:
+  labels:
+    k8s-app: kubernetes-dashboard
+  name: kubernetes-dashboard-certs
+  namespace: kubernetes-dashboard
+type: Opaque
+
+---
+
+apiVersion: v1
+kind: Secret
+metadata:
+  labels:
+    k8s-app: kubernetes-dashboard
+  name: kubernetes-dashboard-csrf
+  namespace: kubernetes-dashboard
+type: Opaque
+data:
+  csrf: ""
+
+---
+
+apiVersion: v1
+kind: Secret
+metadata:
+  labels:
+    k8s-app: kubernetes-dashboard
+  name: kubernetes-dashboard-key-holder
+  namespace: kubernetes-dashboard
+type: Opaque
+
+---
+
+kind: ConfigMap
+apiVersion: v1
+metadata:
+  labels:
+    k8s-app: kubernetes-dashboard
+  name: kubernetes-dashboard-settings
+  namespace: kubernetes-dashboard
 
 ---
-# ------------------- Dashboard Role & Role Binding ------------------- #
 
 kind: Role
 apiVersion: rbac.authorization.k8s.io/v1
 metadata:
-  name: kubernetes-dashboard-minimal
-  namespace: kube-system
+  labels:
+    k8s-app: kubernetes-dashboard
+  name: kubernetes-dashboard
+  namespace: kubernetes-dashboard
 rules:
-  # Allow Dashboard to create 'kubernetes-dashboard-key-holder' secret.
-- apiGroups: [""]
-  resources: ["secrets"]
-  verbs: ["create"]
-  # Allow Dashboard to create 'kubernetes-dashboard-settings' config map.
-- apiGroups: [""]
-  resources: ["configmaps"]
-  verbs: ["create"]
   # Allow Dashboard to get, update and delete Dashboard exclusive secrets.
-- apiGroups: [""]
-  resources: ["secrets"]
-  resourceNames: ["kubernetes-dashboard-key-holder", "kubernetes-dashboard-certs"]
-  verbs: ["get", "update", "delete"]
-  # Allow Dashboard to get and update 'kubernetes-dashboard-settings' config map.
-- apiGroups: [""]
-  resources: ["configmaps"]
-  resourceNames: ["kubernetes-dashboard-settings"]
-  verbs: ["get", "update"]
-  # Allow Dashboard to get metrics from heapster.
-- apiGroups: [""]
-  resources: ["services"]
-  resourceNames: ["heapster"]
-  verbs: ["proxy"]
-- apiGroups: [""]
-  resources: ["services/proxy"]
-  resourceNames: ["heapster", "http:heapster:", "https:heapster:"]
-  verbs: ["get"]
+  - apiGroups: [""]
+    resources: ["secrets"]
+    resourceNames: ["kubernetes-dashboard-key-holder", "kubernetes-dashboard-certs", "kubernetes-dashboard-csrf"]
+    verbs: ["get", "update", "delete"]
+    # Allow Dashboard to get and update 'kubernetes-dashboard-settings' config map.
+  - apiGroups: [""]
+    resources: ["configmaps"]
+    resourceNames: ["kubernetes-dashboard-settings"]
+    verbs: ["get", "update"]
+    # Allow Dashboard to get metrics.
+  - apiGroups: [""]
+    resources: ["services"]
+    resourceNames: ["heapster", "dashboard-metrics-scraper"]
+    verbs: ["proxy"]
+  - apiGroups: [""]
+    resources: ["services/proxy"]
+    resourceNames: ["heapster", "http:heapster:", "https:heapster:", "dashboard-metrics-scraper", "http:dashboard-metrics-scraper"]
+    verbs: ["get"]
 
 ---
+
+kind: ClusterRole
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  labels:
+    k8s-app: kubernetes-dashboard
+  name: kubernetes-dashboard
+rules:
+  # Allow Metrics Scraper to get metrics from the Metrics server
+  - apiGroups: ["metrics.k8s.io"]
+    resources: ["pods", "nodes"]
+    verbs: ["get", "list", "watch"]
+
+---
+
 apiVersion: rbac.authorization.k8s.io/v1
 kind: RoleBinding
 metadata:
-  name: kubernetes-dashboard-minimal
-  namespace: kube-system
+  labels:
+    k8s-app: kubernetes-dashboard
+  name: kubernetes-dashboard
+  namespace: kubernetes-dashboard
 roleRef:
   apiGroup: rbac.authorization.k8s.io
   kind: Role
-  name: kubernetes-dashboard-minimal
-subjects:
-- kind: ServiceAccount
   name: kubernetes-dashboard
-  namespace: kube-system
+subjects:
+  - kind: ServiceAccount
+    name: kubernetes-dashboard
+    namespace: kubernetes-dashboard
+
+---
+
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: kubernetes-dashboard
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: kubernetes-dashboard
+subjects:
+  - kind: ServiceAccount
+    name: kubernetes-dashboard
+    namespace: kubernetes-dashboard
 
 ---
-# ------------------- Dashboard Deployment ------------------- #
 
 kind: Deployment
 apiVersion: apps/v1
@@ -95,7 +173,7 @@ metadata:
   labels:
     k8s-app: kubernetes-dashboard
   name: kubernetes-dashboard
-  namespace: kube-system
+  namespace: kubernetes-dashboard
 spec:
   replicas: 1
   revisionHistoryLimit: 10
@@ -108,60 +186,124 @@ spec:
         k8s-app: kubernetes-dashboard
     spec:
       containers:
-      - name: kubernetes-dashboard
-        image: k8s.gcr.io/kubernetes-dashboard-amd64:v1.10.1
-        ports:
-        - containerPort: 8443
-          protocol: TCP
-        args:
-          - --auto-generate-certificates
-          - --enable-skip-login
-          # Uncomment the following line to manually specify Kubernetes API server Host
-          # If not specified, Dashboard will attempt to auto discover the API server and connect
-          # to it. Uncomment only if the default does not work.
-          # - --apiserver-host=http://my-address:port
-        volumeMounts:
-        - name: kubernetes-dashboard-certs
-          mountPath: /certs
-          # Create on-disk volume to store exec logs
-        - mountPath: /tmp
-          name: tmp-volume
-        livenessProbe:
-          httpGet:
-            scheme: HTTPS
-            path: /
-            port: 8443
-          initialDelaySeconds: 30
-          timeoutSeconds: 30
+        - name: kubernetes-dashboard
+          image: kubernetesui/dashboard:v2.0.0-rc2
+          imagePullPolicy: Always
+          ports:
+            - containerPort: 8443
+              protocol: TCP
+          args:
+            - --auto-generate-certificates
+            - --namespace=kubernetes-dashboard
+            # Uncomment the following line to manually specify Kubernetes API server Host
+            # If not specified, Dashboard will attempt to auto discover the API server and connect
+            # to it. Uncomment only if the default does not work.
+            # - --apiserver-host=http://my-address:port
+            - --enable-skip-login
+          volumeMounts:
+            - name: kubernetes-dashboard-certs
+              mountPath: /certs
+              # Create on-disk volume to store exec logs
+            - mountPath: /tmp
+              name: tmp-volume
+          livenessProbe:
+            httpGet:
+              scheme: HTTPS
+              path: /
+              port: 8443
+            initialDelaySeconds: 30
+            timeoutSeconds: 30
+          securityContext:
+            allowPrivilegeEscalation: false
+            readOnlyRootFilesystem: true
+            runAsUser: 1001
+            runAsGroup: 2001
       volumes:
-      - name: kubernetes-dashboard-certs
-        secret:
-          secretName: kubernetes-dashboard-certs
-      - name: tmp-volume
-        emptyDir: {}
+        - name: kubernetes-dashboard-certs
+          secret:
+            secretName: kubernetes-dashboard-certs
+        - name: tmp-volume
+          emptyDir: {}
       serviceAccountName: kubernetes-dashboard
+      nodeSelector:
+        "beta.kubernetes.io/os": linux
       # Comment the following tolerations if Dashboard must not be deployed on master
       tolerations:
-      - key: node-role.kubernetes.io/master
-        effect: NoSchedule
+        - key: node-role.kubernetes.io/master
+          effect: NoSchedule
 
 ---
-# ------------------- Dashboard Service ------------------- #
 
 kind: Service
 apiVersion: v1
 metadata:
   labels:
-    k8s-app: kubernetes-dashboard
-  name: kubernetes-dashboard
-  namespace: kube-system
+    k8s-app: dashboard-metrics-scraper
+  name: dashboard-metrics-scraper
+  namespace: kubernetes-dashboard
 spec:
   ports:
-    - port: 443
-      targetPort: 8443
+    - port: 8000
+      targetPort: 8000
   selector:
-    k8s-app: kubernetes-dashboard
+    k8s-app: dashboard-metrics-scraper
+
 ---
+
+kind: Deployment
+apiVersion: apps/v1
+metadata:
+  labels:
+    k8s-app: dashboard-metrics-scraper
+  name: dashboard-metrics-scraper
+  namespace: kubernetes-dashboard
+spec:
+  replicas: 1
+  revisionHistoryLimit: 10
+  selector:
+    matchLabels:
+      k8s-app: dashboard-metrics-scraper
+  template:
+    metadata:
+      labels:
+        k8s-app: dashboard-metrics-scraper
+      annotations:
+        seccomp.security.alpha.kubernetes.io/pod: 'runtime/default'
+    spec:
+      containers:
+        - name: dashboard-metrics-scraper
+          image: kubernetesui/metrics-scraper:v1.0.2
+          ports:
+            - containerPort: 8000
+              protocol: TCP
+          livenessProbe:
+            httpGet:
+              scheme: HTTP
+              path: /
+              port: 8000
+            initialDelaySeconds: 30
+            timeoutSeconds: 30
+          volumeMounts:
+          - mountPath: /tmp
+            name: tmp-volume
+          securityContext:
+            allowPrivilegeEscalation: false
+            readOnlyRootFilesystem: true
+            runAsUser: 1001
+            runAsGroup: 2001
+      serviceAccountName: kubernetes-dashboard
+      nodeSelector:
+        "beta.kubernetes.io/os": linux
+      # Comment the following tolerations if Dashboard must not be deployed on master
+      tolerations:
+        - key: node-role.kubernetes.io/master
+          effect: NoSchedule
+      volumes:
+        - name: tmp-volume
+          emptyDir: {}
+
+---
+
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -181,10 +323,12 @@ spec:
       - args:
         - sh
         - -c
-        - apk add --no-cache socat && socat TCP-LISTEN:80,fork,reuseaddr OPENSSL:kubernetes-dashboard.kube-system:443,verify=0
+        - apk add --no-cache socat && socat TCP-LISTEN:80,fork,reuseaddr OPENSSL:kubernetes-dashboard.kubernetes-dashboard:443,verify=0
         image: alpine
         name: dashboard
+
 ---
+
 apiVersion: v1
 kind: Service
 metadata:
@@ -199,13 +343,13 @@ spec:
   selector:
     app: dashboard
   type: NodePort
+
 ---
-apiVersion: rbac.authorization.k8s.io/v1beta1
+
+apiVersion: rbac.authorization.k8s.io/v1
 kind: ClusterRoleBinding
 metadata:
-  name: kubernetes-dashboard
-  labels:
-    k8s-app: kubernetes-dashboard
+  name: insecure-dashboard
 roleRef:
   apiGroup: rbac.authorization.k8s.io
   kind: ClusterRole
@@ -213,4 +357,4 @@ roleRef:
 subjects:
 - kind: ServiceAccount
   name: kubernetes-dashboard
-  namespace: kube-system
+  namespace: kubernetes-dashboard

k8s/nginx-3-with-git.yaml

@@ -13,7 +13,7 @@ spec:
       mountPath: /usr/share/nginx/html/
   - name: git
     image: alpine
-    command: [ "sh", "-c", "apk add --no-cache git && git clone https://github.com/octocat/Spoon-Knife /www" ]
+    command: [ "sh", "-c", "apk add git && git clone https://github.com/octocat/Spoon-Knife /www" ]
     volumeMounts:
     - name: www
       mountPath: /www/

k8s/persistent-consul.yaml

@@ -1,51 +1,54 @@
 apiVersion: rbac.authorization.k8s.io/v1
-kind: Role
+kind: ClusterRole
 metadata:
-  name: consul
+  name: persistentconsul
 rules:
-  - apiGroups: [ "" ]
-    resources: [ pods ]
-    verbs:     [ get, list ]
+  - apiGroups: [""]
+    resources:
+      - pods
+    verbs:
+      - get
+      - list
 ---
 apiVersion: rbac.authorization.k8s.io/v1
-kind: RoleBinding
+kind: ClusterRoleBinding
 metadata:
-  name: consul
+  name: persistentconsul
 roleRef:
   apiGroup: rbac.authorization.k8s.io
-  kind: Role
-  name: consul
+  kind: ClusterRole
+  name: persistentconsul
 subjects:
   - kind: ServiceAccount
-    name: consul
-    namespace: orange
+    name: persistentconsul
+    namespace: default
 ---
 apiVersion: v1
 kind: ServiceAccount
 metadata:
-  name: consul
+  name: persistentconsul
 ---
 apiVersion: v1
 kind: Service
 metadata:
-  name: consul
+  name: persistentconsul
 spec:
   ports:
   - port: 8500
     name: http
   selector:
-    app: consul
+    app: persistentconsul
 ---
 apiVersion: apps/v1
 kind: StatefulSet
 metadata:
-  name: consul
+  name: persistentconsul
 spec:
-  serviceName: consul
+  serviceName: persistentconsul
   replicas: 3
   selector:
     matchLabels:
-      app: consul
+      app: persistentconsul
   volumeClaimTemplates:
     - metadata:
         name: data
@@ -58,9 +61,9 @@ spec:
   template:
     metadata:
       labels:
-        app: consul
+        app: persistentconsul
     spec:
-      serviceAccountName: consul
+      serviceAccountName: persistentconsul
       affinity:
         podAntiAffinity:
           requiredDuringSchedulingIgnoredDuringExecution:
@@ -69,19 +72,19 @@ spec:
                   - key: app
                     operator: In
                     values:
-                      - consul
+                      - persistentconsul
               topologyKey: kubernetes.io/hostname
       terminationGracePeriodSeconds: 10
       containers:
         - name: consul
-          image: "consul:1.5"
+          image: "consul:1.6"
           volumeMounts:
             - name: data
               mountPath: /consul/data
           args:
             - "agent"
             - "-bootstrap-expect=3"
-            - "-retry-join=provider=k8s namespace=orange label_selector=\"app=consul\""
+            - "-retry-join=provider=k8s label_selector=\"app=persistentconsul\""
             - "-client=0.0.0.0"
             - "-data-dir=/consul/data"
             - "-server"

k8s/portworx.yaml

@@ -1,5 +1,4 @@
-# SOURCE: https://install.portworx.com/?kbver=1.15.2&b=true&s=/dev/loop4&c=px-workshop&stork=true&lh=true&st=k8s&mc=false
-# SOURCE: https://install.portworx.com/?kbver=1.15.2&b=true&s=/dev/loop4&c=px-workshop&stork=true&lh=true&st=k8s&mc=false
+# SOURCE: https://install.portworx.com/?mc=false&kbver=1.17.1&b=true&s=%2Fdev%2Floop4&j=auto&c=px-workshop&stork=true&csi=true&lh=true&st=k8s
 ---
 kind: Service
 apiVersion: v1
@@ -11,7 +10,7 @@ metadata:
 spec:
   selector:
     name: portworx
-  type: NodePort
+  type: ClusterIP
   ports:
     - name: px-api
       protocol: TCP
@@ -51,6 +50,165 @@ spec:
     shortNames:
     - vps
     - vp
+  preserveUnknownFields: false
+  validation:
+    openAPIV3Schema:
+      type: object
+      required:
+      - spec
+      properties:
+        spec:
+          type: object
+          description: The desired spec of the volume placement strategy
+          properties:
+            replicaAffinity:
+              type: array
+              description: Allows you to specify a rule which creates an affinity for replicas within a volume
+              items:
+                type: object
+                properties:
+                  enforcement:
+                    type: string
+                    enum:
+                    - required
+                    - preferred
+                    description: Specifies if the given rule is required (hard) or preferred (soft)
+                  topologyKey:
+                    type: string
+                    minLength: 1
+                    description: Key for the node label that the system uses to denote a topology domain. The key can be for any node label that is present on the Kubernetes node.
+                  matchExpressions:
+                    description: Expression to use for the replica affinity rule
+                    type: array
+                    items:
+                      type: object
+                      properties:
+                        key:
+                          type: string
+                          minLength: 1
+                        operator:
+                          type: string
+                          enum:
+                          - In
+                          - NotIn
+                          - Exists
+                          - DoesNotExist
+                          - Lt
+                          - Gt
+                          description: The logical operator to use for comparing the key and values in the match expression
+                        values:
+                          type: array
+                          items:
+                            type: string
+                      required:
+                      - key
+                      - operator
+            replicaAntiAffinity:
+              type: array
+              description: Allows you to specify a rule that creates an anti-affinity for replicas within a volume
+              items:
+                type: object
+                properties:
+                  enforcement:
+                    type: string
+                    enum:
+                    - required
+                    - preferred
+                    description: Specifies if the given rule is required (hard) or preferred (soft)
+                  topologyKey:
+                    type: string
+                    minLength: 1
+                    description: Key for the node label that the system uses to denote a topology domain. The key can be for any node label that is present on the Kubernetes node.
+                required:
+                - topologyKey
+            volumeAffinity:
+              type: array
+              description: Allows you to colocate volumes by specifying rules that place replicas of a volume together with those of another volume for which the specified labels match
+              items:
+                type: object
+                properties:
+                  enforcement:
+                    type: string
+                    enum:
+                    - required
+                    - preferred
+                    description: Specifies if the given rule is required (hard) or preferred (soft)
+                  topologyKey:
+                    type: string
+                    minLength: 1
+                    description: Key for the node label that the system uses to denote a topology domain. The key can be for any node label that is present on the Kubernetes node.
+                  matchExpressions:
+                    description: Expression to use for the volume affinity rule
+                    type: array
+                    items:
+                      type: object
+                      properties:
+                        key:
+                          type: string
+                          minLength: 1
+                        operator:
+                          type: string
+                          enum:
+                          - In
+                          - NotIn
+                          - Exists
+                          - DoesNotExist
+                          - Lt
+                          - Gt
+                          description: The logical operator to use for comparing the key and values in the match expression
+                        values:
+                          type: array
+                          items:
+                            type: string
+                      required:
+                      - key
+                      - operator
+                required:
+                - matchExpressions
+            volumeAntiAffinity:
+              type: array
+              description: Allows you to specify dissociation rules between 2 or more volumes that match the given labels
+              items:
+                type: object
+                properties:
+                  enforcement:
+                    type: string
+                    enum:
+                    - required
+                    - preferred
+                    description: Specifies if the given rule is required (hard) or preferred (soft)
+                  topologyKey:
+                    type: string
+                    minLength: 1
+                    description: Key for the node label that the system uses to denote a topology domain. The key can be for any node label that is present on the Kubernetes node.
+                  matchExpressions:
+                    description: Expression to use for the volume anti affinity rule
+                    type: array
+                    items:
+                      type: object
+                      properties:
+                        key:
+                          type: string
+                          minLength: 1
+                        operator:
+                          type: string
+                          enum:
+                          - In
+                          - NotIn
+                          - Exists
+                          - DoesNotExist
+                          - Lt
+                          - Gt
+                          description: The logical operator to use for comparing the key and values in the match expression
+                        values:
+                          type: array
+                          items:
+                            type: string
+                      required:
+                      - key
+                      - operator
+                required:
+                - matchExpressions
 ---
 apiVersion: v1
 kind: ServiceAccount
@@ -85,6 +243,13 @@ rules:
 - apiGroups: ["portworx.io"]
   resources: ["volumeplacementstrategies"]
   verbs: ["get", "list"]
+- apiGroups: ["stork.libopenstorage.org"]
+  resources: ["backuplocations"]
+  verbs: ["get", "list"]
+- apiGroups: [""]
+  resources: ["events"]
+  verbs: ["create"]
+
 ---
 kind: ClusterRoleBinding
 apiVersion: rbac.authorization.k8s.io/v1
@@ -128,14 +293,19 @@ roleRef:
   name: px-role
   apiGroup: rbac.authorization.k8s.io
 ---
-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 kind: DaemonSet
 metadata:
   name: portworx
   namespace: kube-system
+  labels:
+    name: portworx
   annotations:
-    portworx.com/install-source: "https://install.portworx.com/?kbver=1.15.2&b=true&s=/dev/loop4&c=px-workshop&stork=true&lh=true&st=k8s&mc=false"
+    portworx.com/install-source: "https://install.portworx.com/?mc=false&kbver=1.17.1&b=true&s=%2Fdev%2Floop4&j=auto&c=px-workshop&stork=true&csi=true&lh=true&st=k8s"
 spec:
+  selector:
+    matchLabels:
+      name: portworx
   minReadySeconds: 0
   updateStrategy:
     type: RollingUpdate
@@ -159,28 +329,20 @@ spec:
                 operator: DoesNotExist
       hostNetwork: true
       hostPID: false
-      initContainers:
-        - name: checkloop
-          image: alpine
-          command: [ "sh", "-c" ]
-          args:
-            - |
-              if ! grep -q loop4 /proc/partitions; then
-                echo 'Could not find "loop4" in /proc/partitions. Please create it first.'
-                exit 1
-              fi
       containers:
         - name: portworx
-          image: portworx/oci-monitor:2.1.3
+          image: portworx/oci-monitor:2.3.2
           imagePullPolicy: Always
           args:
-            ["-c", "px-workshop", "-s", "/dev/loop4", "-secret_type", "k8s", "-b", 
+            ["-c", "px-workshop", "-s", "/dev/loop4", "-secret_type", "k8s", "-j", "auto", "-b", 
              "-x", "kubernetes"]
           env:
             - name: "AUTO_NODE_RECOVERY_TIMEOUT_IN_SECS"
               value: "1500"
             - name: "PX_TEMPLATE_VERSION"
               value: "v4"
+            - name: CSI_ENDPOINT 
+              value: unix:///var/lib/kubelet/plugins/pxd.portworx.com/csi.sock
             
           livenessProbe:
             periodSeconds: 30
@@ -211,6 +373,10 @@ spec:
               mountPath: /etc/crictl.yaml
             - name: etcpwx
               mountPath: /etc/pwx
+            - name: dev
+              mountPath: /dev
+            - name: csi-driver-path
+              mountPath: /var/lib/kubelet/plugins/pxd.portworx.com
             - name: optpwx
               mountPath: /opt/pwx
             - name: procmount
@@ -225,6 +391,27 @@ spec:
               readOnly: true
             - name: dbusmount
               mountPath: /var/run/dbus
+        - name: csi-node-driver-registrar
+          image: quay.io/k8scsi/csi-node-driver-registrar:v1.1.0
+          args:
+            - "--v=5"
+            - "--csi-address=$(ADDRESS)"
+            - "--kubelet-registration-path=/var/lib/kubelet/plugins/pxd.portworx.com/csi.sock"
+          imagePullPolicy: Always
+          env:
+            - name: ADDRESS
+              value: /csi/csi.sock
+            - name: KUBE_NODE_NAME
+              valueFrom:
+                fieldRef:
+                  fieldPath: spec.nodeName
+          securityContext:
+            privileged: true
+          volumeMounts:
+            - name: csi-driver-path
+              mountPath: /csi
+            - name: registration-dir
+              mountPath: /registration
       restartPolicy: Always
       serviceAccountName: px-account
       volumes:
@@ -247,6 +434,17 @@ spec:
         - name: etcpwx
           hostPath:
             path: /etc/pwx
+        - name: dev
+          hostPath:
+            path: /dev
+        - name: registration-dir
+          hostPath:
+            path: /var/lib/kubelet/plugins_registry
+            type: DirectoryOrCreate
+        - name: csi-driver-path
+          hostPath:
+            path: /var/lib/kubelet/plugins/pxd.portworx.com
+            type: DirectoryOrCreate
         - name: optpwx
           hostPath:
             path: /opt/pwx
@@ -266,6 +464,172 @@ spec:
           hostPath:
             path: /var/run/dbus
 ---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: px-csi-account
+  namespace: kube-system
+---
+kind: ClusterRole
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+   name: px-csi-role
+rules:
+- apiGroups: ["extensions"]
+  resources: ["podsecuritypolicies"]
+  resourceNames: ["privileged"]
+  verbs: ["use"]
+- apiGroups: ["apiextensions.k8s.io"]
+  resources: ["customresourcedefinitions"]
+  verbs: ["*"]
+- apiGroups: [""]
+  resources: ["nodes"]
+  verbs: ["get", "list", "watch"]
+- apiGroups: [""]
+  resources: ["persistentvolumes"]
+  verbs: ["get", "list", "watch", "create", "delete", "update", "patch"]
+- apiGroups: [""]
+  resources: ["persistentvolumeclaims"]
+  verbs: ["get", "list", "watch", "update"]
+- apiGroups: [""]
+  resources: ["persistentvolumeclaims/status"]
+  verbs: ["update", "patch"]
+- apiGroups: ["storage.k8s.io"]
+  resources: ["storageclasses"]
+  verbs: ["get", "list", "watch"]
+- apiGroups: ["storage.k8s.io"]
+  resources: ["volumeattachments"]
+  verbs: ["get", "list", "watch", "update", "patch"]
+- apiGroups: [""]
+  resources: ["events"]
+  verbs: ["list", "watch", "create", "update", "patch"]
+- apiGroups: [""]
+  resources: ["secrets"]
+  verbs: ["get", "list"]
+- apiGroups: ["snapshot.storage.k8s.io"]
+  resources: ["volumesnapshots", "volumesnapshotcontents", "volumesnapshotclasses", "volumesnapshots/status"]
+  verbs: ["create", "get", "list", "watch", "update", "delete"]
+- apiGroups: [""]
+  resources: ["nodes"]
+  verbs: ["get", "list", "watch"]
+- apiGroups: ["storage.k8s.io"]
+  resources: ["csinodes"]
+  verbs: ["get", "list", "watch", "update"]
+- apiGroups: [""]
+  resources: ["nodes"]
+  verbs: ["get", "list", "watch"]
+- apiGroups: ["csi.storage.k8s.io"]
+  resources: ["csidrivers"]
+  verbs: ["create", "delete"]
+- apiGroups: [""]
+  resources: ["endpoints"]
+  verbs: ["get", "watch", "list", "delete", "update", "create"]
+- apiGroups: ["coordination.k8s.io"]
+  resources: ["leases"]
+  verbs: ["*"]
+---
+kind: ClusterRoleBinding
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: px-csi-role-binding
+subjects:
+- kind: ServiceAccount
+  name: px-csi-account
+  namespace: kube-system
+roleRef:
+  kind: ClusterRole
+  name: px-csi-role
+  apiGroup: rbac.authorization.k8s.io
+---
+kind: Service
+apiVersion: v1
+metadata:
+  name: px-csi-service
+  namespace: kube-system
+spec:
+  clusterIP: None
+---
+kind: Deployment
+apiVersion: apps/v1
+metadata:
+  name: px-csi-ext
+  namespace: kube-system
+spec:
+  replicas: 3
+  selector:
+    matchLabels:
+      app: px-csi-driver
+  template:
+    metadata:
+      labels:
+        app: px-csi-driver
+    spec:
+      affinity:
+        nodeAffinity:
+          requiredDuringSchedulingIgnoredDuringExecution:
+            nodeSelectorTerms:
+            - matchExpressions:
+              - key: px/enabled
+                operator: NotIn
+                values:
+                - "false"
+              - key: node-role.kubernetes.io/master
+                operator: DoesNotExist
+      serviceAccount: px-csi-account
+      containers:
+        - name: csi-external-provisioner
+          imagePullPolicy: Always
+          image: quay.io/openstorage/csi-provisioner:v1.4.0-1
+          args:
+            - "--v=5"
+            - "--provisioner=pxd.portworx.com"
+            - "--csi-address=$(ADDRESS)"
+            - "--enable-leader-election"
+            - "--leader-election-type=leases"
+          env:
+            - name: ADDRESS
+              value: /csi/csi.sock
+          securityContext:
+            privileged: true
+          volumeMounts:
+            - name: socket-dir
+              mountPath: /csi
+        - name: csi-snapshotter
+          image: quay.io/k8scsi/csi-snapshotter:v2.0.0
+          imagePullPolicy: Always
+          args:
+            - "--v=3"
+            - "--csi-address=$(ADDRESS)"
+            - "--leader-election=true"
+          env:
+            - name: ADDRESS
+              value: /csi/csi.sock
+          securityContext:
+            privileged: true
+          volumeMounts:
+            - name: socket-dir
+              mountPath: /csi
+        - name: csi-resizer
+          imagePullPolicy: Always
+          image: quay.io/k8scsi/csi-resizer:v0.3.0
+          args:
+            - "--v=5"
+            - "--csi-address=$(ADDRESS)"
+            - "--leader-election=true"
+          env:
+            - name: ADDRESS
+              value: /csi/csi.sock
+          securityContext:
+            privileged: true
+          volumeMounts:
+            - name: socket-dir
+              mountPath: /csi
+      volumes:
+        - name: socket-dir
+          hostPath:
+            path: /var/lib/kubelet/plugins/pxd.portworx.com
+            type: DirectoryOrCreate
+---
 kind: Service
 apiVersion: v1
 metadata:
@@ -276,7 +640,7 @@ metadata:
 spec:
   selector:
     name: portworx-api
-  type: NodePort
+  type: ClusterIP
   ports:
     - name: px-api
       protocol: TCP
@@ -291,12 +655,17 @@ spec:
       port: 9021
       targetPort: 9021
 ---
-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 kind: DaemonSet
 metadata:
   name: portworx-api
   namespace: kube-system
+  labels:
+    name: portworx-api
 spec:
+  selector:
+    matchLabels:
+      name: portworx-api
   minReadySeconds: 0
   updateStrategy:
     type: RollingUpdate
@@ -332,8 +701,14 @@ spec:
               port: 9001
       restartPolicy: Always
       serviceAccountName: px-account
-
-
+---
+apiVersion: storage.k8s.io/v1beta1
+kind: CSIDriver
+metadata:
+  name: pxd.portworx.com
+spec:
+  attachRequired: false
+  podInfoOnMount: false
 ---
 apiVersion: v1
 kind: ConfigMap
@@ -369,48 +744,9 @@ apiVersion: rbac.authorization.k8s.io/v1
 metadata:
    name: stork-role
 rules:
-  - apiGroups: [""]
-    resources: ["pods", "pods/exec"]
-    verbs: ["get", "list", "delete", "create", "watch"]
-  - apiGroups: [""]
-    resources: ["persistentvolumes"]
-    verbs: ["get", "list", "watch", "create", "delete"]
-  - apiGroups: [""]
-    resources: ["persistentvolumeclaims"]
-    verbs: ["get", "list", "watch", "update"]
-  - apiGroups: ["storage.k8s.io"]
-    resources: ["storageclasses"]
-    verbs: ["get", "list", "watch"]
-  - apiGroups: [""]
-    resources: ["events"]
-    verbs: ["list", "watch", "create", "update", "patch"]
-  - apiGroups: ["stork.libopenstorage.org"]
-    resources: ["*"]
-    verbs: ["get", "list", "watch", "update", "patch", "create", "delete"]
-  - apiGroups: ["apiextensions.k8s.io"]
-    resources: ["customresourcedefinitions"]
-    verbs: ["create", "get"]
-  - apiGroups: ["volumesnapshot.external-storage.k8s.io"]
-    resources: ["volumesnapshots", "volumesnapshotdatas"]
-    verbs: ["get", "list", "watch", "create", "update", "patch", "delete"]
-  - apiGroups: [""]
-    resources: ["configmaps"]
-    verbs: ["get", "create", "update"]
-  - apiGroups: [""]
-    resources: ["services"]
-    verbs: ["get"]
-  - apiGroups: [""]
-    resources: ["nodes"]
-    verbs: ["get", "list", "watch"]
-  - apiGroups: ["*"]
-    resources: ["deployments", "deployments/extensions"]
-    verbs: ["list", "get", "watch", "patch", "update", "initialize"]
-  - apiGroups: ["*"]
-    resources: ["statefulsets", "statefulsets/extensions"]
-    verbs: ["list", "get", "watch", "patch", "update", "initialize"]
   - apiGroups: ["*"]
     resources: ["*"]
-    verbs: ["list", "get"]
+    verbs: ["*"]
 ---
 kind: ClusterRoleBinding
 apiVersion: rbac.authorization.k8s.io/v1
@@ -438,7 +774,7 @@ spec:
       port: 8099
       targetPort: 8099
 ---
-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   annotations:
@@ -448,6 +784,9 @@ metadata:
   name: stork
   namespace: kube-system
 spec:
+  selector:
+    matchLabels:
+      name: stork
   strategy:
     rollingUpdate:
       maxSurge: 1
@@ -470,7 +809,7 @@ spec:
         - --leader-elect=true
         - --health-monitor-interval=120
         imagePullPolicy: Always
-        image: openstorage/stork:2.2.4
+        image: openstorage/stork:2.3.1
         env:
         - name: "PX_SERVICE_NAME"
           value: "portworx-api"
@@ -513,8 +852,8 @@ rules:
     verbs: ["get", "create", "update"]
   - apiGroups: [""]
     resources: ["configmaps"]
-    verbs: ["get"]
-  - apiGroups: [""]
+    verbs: ["get", "list", "watch"]
+  - apiGroups: ["", "events.k8s.io"]
     resources: ["events"]
     verbs: ["create", "patch", "update"]
   - apiGroups: [""]
@@ -549,8 +888,11 @@ rules:
     resources: ["persistentvolumeclaims", "persistentvolumes"]
     verbs: ["get", "list", "watch"]
   - apiGroups: ["storage.k8s.io"]
-    resources: ["storageclasses"]
+    resources: ["storageclasses", "csinodes"]
     verbs: ["get", "list", "watch"]
+  - apiGroups: ["coordination.k8s.io"]
+    resources: ["leases"]
+    verbs: ["create", "update", "get", "list", "watch"]
 ---
 kind: ClusterRoleBinding
 apiVersion: rbac.authorization.k8s.io/v1
@@ -565,7 +907,7 @@ roleRef:
   name: stork-scheduler-role
   apiGroup: rbac.authorization.k8s.io
 ---
-apiVersion: apps/v1beta1
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   labels:
@@ -575,12 +917,16 @@ metadata:
   name: stork-scheduler
   namespace: kube-system
 spec:
+  selector:
+    matchLabels:
+      name: stork-scheduler
   replicas: 3
   template:
     metadata:
       labels:
         component: scheduler
         tier: control-plane
+        name: stork-scheduler
       name: stork-scheduler
     spec:
       containers:
@@ -592,7 +938,7 @@ spec:
         - --policy-configmap=stork-config
         - --policy-configmap-namespace=kube-system
         - --lock-object-name=stork-scheduler
-        image: gcr.io/google_containers/kube-scheduler-amd64:v1.15.2
+        image: gcr.io/google_containers/kube-scheduler-amd64:v1.17.1
         livenessProbe:
           httpGet:
             path: /healthz
@@ -694,7 +1040,7 @@ spec:
   selector:
     tier: px-web-console
 ---
-apiVersion: apps/v1beta1
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: px-lighthouse
@@ -702,6 +1048,9 @@ metadata:
   labels:
     tier: px-web-console
 spec:
+  selector:
+    matchLabels:
+      tier: px-web-console
   strategy:
     rollingUpdate:
       maxSurge: 1
@@ -718,7 +1067,7 @@ spec:
     spec:
       initContainers:
       - name: config-init
-        image: portworx/lh-config-sync:0.4
+        image: portworx/lh-config-sync:2.0.5
         imagePullPolicy: Always
         args:
         - "init"
@@ -727,7 +1076,7 @@ spec:
           mountPath: /config/lh
       containers:
       - name: px-lighthouse
-        image: portworx/px-lighthouse:2.0.4
+        image: portworx/px-lighthouse:2.0.6
         imagePullPolicy: Always
         args: [ "-kubernetes", "true" ]
         ports:
@@ -737,7 +1086,7 @@ spec:
         - name: config
           mountPath: /config/lh
       - name: config-sync
-        image: portworx/lh-config-sync:0.4
+        image: portworx/lh-config-sync:2.0.5
         imagePullPolicy: Always
         args:
         - "sync"
@@ -745,9 +1094,23 @@ spec:
         - name: config
           mountPath: /config/lh
       - name: stork-connector
-        image: portworx/lh-stork-connector:0.2
+        image: portworx/lh-stork-connector:2.0.5
         imagePullPolicy: Always
       serviceAccountName: px-lh-account
       volumes:
       - name: config
         emptyDir: {}
+---
+# That one is an extra.
+# Create a default Storage Class to simplify Portworx setup.
+kind: StorageClass
+apiVersion: storage.k8s.io/v1beta1
+metadata:
+  name: portworx-replicated
+  annotations:
+    storageclass.kubernetes.io/is-default-class: "true"
+provisioner: kubernetes.io/portworx-volume
+parameters:
+ repl: "2"
+ priority_io: "high"
+

k8s/postgres.yaml

@@ -12,7 +12,14 @@ spec:
       labels:
         app: postgres
     spec:
-      schedulerName: stork
+      #schedulerName: stork
+      initContainers:
+      - name: rmdir
+        image: alpine
+        volumeMounts:
+        - mountPath: /vol
+          name: postgres
+        command: ["sh", "-c", "if [ -d /vol/lost+found ]; then rmdir /vol/lost+found; fi"]
       containers:
       - name: postgres
         image: postgres:11

prepare-vms/Dockerfile

@@ -8,47 +8,23 @@ RUN apt-get update && apt-get install -y \
     groff \
     jq \
     less \
-    locales \
     man \
     pssh \
     python \
-    python3 \
     python-docutils \
     python-pip \
-    python3-pip \
     ssh \
-    unzip \
     wkhtmltopdf \
     xvfb \
     --no-install-recommends \
     && rm -rf /var/lib/apt/lists/*
 
-# Set the locale
-RUN sed -i -e 's/# en_GB.UTF-8 UTF-8/en_GB.UTF-8 UTF-8/' /etc/locale.gen && \
-    dpkg-reconfigure --frontend=noninteractive locales && \
-    update-locale LANG=en_GB.UTF-8
-
-ENV LANG en_GB.UTF-8
-ENV LC_ALL en_GB.UTF-8
-
-ARG TERRAFORM_VERSION=0.11.13
-RUN curl -s https://releases.hashicorp.com/terraform/${TERRAFORM_VERSION}/terraform_${TERRAFORM_VERSION}_linux_amd64.zip \
-    -o terraform_${TERRAFORM_VERSION}_linux_amd64.zip \
- && unzip terraform_${TERRAFORM_VERSION}_linux_amd64.zip \
- && mv terraform /usr/local/bin \
- && rm terraform_${TERRAFORM_VERSION}_linux_amd64.zip
-
-
-RUN pip install -U \
+RUN pip install \
     awscli \
     jinja2 \
     pdfkit \
     PyYAML \
-    termcolor \
- && pip3 install -U \
-    jinja2 \
-    pdfkit \
-    PyYAML
+    termcolor
 
 RUN mv $(which wkhtmltopdf) $(which wkhtmltopdf).real
 COPY lib/wkhtmltopdf /usr/local/bin/wkhtmltopdf

prepare-vms/docker-compose.yml

@@ -7,8 +7,6 @@ services:
         working_dir: /root/prepare-vms
         volumes:
             - $HOME/.aws/:/root/.aws/
-            - $HOME/.ssh/:/root/.ssh/
-            - $HOME/.config/openstack:/root/.config/openstack
             - $SSH_AUTH_SOCK:$SSH_AUTH_SOCK
             - $PWD/:/root/prepare-vms/
         environment:
@@ -18,4 +16,4 @@ services:
             AWS_DEFAULT_REGION: ${AWS_DEFAULT_REGION}
             AWS_INSTANCE_TYPE: ${AWS_INSTANCE_TYPE}
             USER: ${USER}
-#        entrypoint: /root/prepare-vms/workshopctl
+        entrypoint: /root/prepare-vms/workshopctl

prepare-vms/e2e.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+set -e
+TAG=$(./workshopctl maketag)
+./workshopctl start --settings settings/jerome.yaml --infra infra/aws-eu-central-1 --tag $TAG
+./workshopctl deploy $TAG
+./workshopctl kube $TAG
+./workshopctl helmprom $TAG
+while ! ./workshopctl kubetest $TAG; do sleep 1; done
+./workshopctl tmux $TAG
+echo ./workshopctl stop $TAG

prepare-vms/lib/commands.sh

@@ -113,9 +113,12 @@ _cmd_disabledocker() {
     TAG=$1
     need_tag
 
-    pssh "sudo systemctl disable docker.service"
-    pssh "sudo systemctl disable docker.socket"
-    pssh "sudo systemctl stop docker"
+    pssh "
+    sudo systemctl disable docker.service
+    sudo systemctl disable docker.socket
+    sudo systemctl stop docker
+    sudo killall containerd
+    "
 }
 
 _cmd kubebins "Install Kubernetes and CNI binaries but don't start anything"
@@ -127,18 +130,15 @@ _cmd_kubebins() {
     set -e
     cd /usr/local/bin
     if ! [ -x etcd ]; then
-        curl -L https://github.com/etcd-io/etcd/releases/download/v3.3.15/etcd-v3.3.15-linux-amd64.tar.gz \
+        ##VERSION##
+        curl -L https://github.com/etcd-io/etcd/releases/download/v3.4.3/etcd-v3.4.3-linux-amd64.tar.gz \
         | sudo tar --strip-components=1 --wildcards -zx '*/etcd' '*/etcdctl'
     fi
     if ! [ -x hyperkube ]; then
-        curl -L https://dl.k8s.io/v1.16.2/kubernetes-server-linux-amd64.tar.gz \
-        | sudo tar --strip-components=3 -zx kubernetes/server/bin/hyperkube
-    fi
-    if ! [ -x kubelet ]; then
-        for BINARY in kubectl kube-apiserver kube-scheduler kube-controller-manager kubelet kube-proxy;
-        do
-            sudo ln -s hyperkube \$BINARY
-        done
+        ##VERSION##
+        curl -L https://dl.k8s.io/v1.17.2/kubernetes-server-linux-amd64.tar.gz \
+        | sudo tar --strip-components=3 -zx \
+          kubernetes/server/bin/kube{ctl,let,-proxy,-apiserver,-scheduler,-controller-manager}
     fi
     sudo mkdir -p /opt/cni/bin
     cd /opt/cni/bin
@@ -242,13 +242,14 @@ EOF"
     # Install helm
     pssh "
     if [ ! -x /usr/local/bin/helm ]; then
-        curl https://raw.githubusercontent.com/kubernetes/helm/master/scripts/get | sudo bash &&
+        curl https://raw.githubusercontent.com/kubernetes/helm/master/scripts/get-helm-3 | sudo bash &&
         helm completion bash | sudo tee /etc/bash_completion.d/helm
     fi"
 
     # Install ship
     pssh "
     if [ ! -x /usr/local/bin/ship ]; then
+        ##VERSION##
         curl -L https://github.com/replicatedhq/ship/releases/download/v0.40.0/ship_0.40.0_linux_amd64.tar.gz |
              sudo tar -C /usr/local/bin -zx ship
     fi"
@@ -256,7 +257,7 @@ EOF"
     # Install the AWS IAM authenticator
     pssh "
     if [ ! -x /usr/local/bin/aws-iam-authenticator ]; then
-	##VERSION##
+	    ##VERSION##
         sudo curl -o /usr/local/bin/aws-iam-authenticator https://amazon-eks.s3-us-west-2.amazonaws.com/1.12.7/2019-03-27/bin/linux/amd64/aws-iam-authenticator
 	sudo chmod +x /usr/local/bin/aws-iam-authenticator
     fi"
@@ -264,18 +265,6 @@ EOF"
     sep "Done"
 }
 
-_cmd minikube "Install kind to optionnaly transform a docker machine in a small kube cluster"
-_cmd_minikube() {
-    TAG=$1
-    need_tag
-
-    pssh --timeout 200 "
-    sudo curl -L https://github.com/kubernetes/minikube/releases/download/v1.6.2/minikube-linux-amd64 -o /usr/local/bin/minikube
-    sudo chmod +x /usr/local/bin/minikube
-    sudo minikube config set vm-driver none
-    "
-}
-
 _cmd kubereset "Wipe out Kubernetes configuration on all nodes"
 _cmd_kubereset() {
     TAG=$1
@@ -335,6 +324,15 @@ _cmd_listall() {
     done
 }
 
+_cmd maketag "Generate a quasi-unique tag for a group of instances"
+_cmd_maketag() {
+    if [ -z $USER ]; then
+        export USER=anonymous
+    fi
+    MS=$(($(date +%N)/1000000))
+    date +%Y-%m-%d-%H-%M-$MS-$USER
+}
+
 _cmd ping "Ping VMs in a given tag, to check that they have network access"
 _cmd_ping() {
     TAG=$1
@@ -368,12 +366,50 @@ EOF
     sudo systemctl start pinger"
 }
 
+_cmd tailhist "Install history viewer on port 1088"
+_cmd_tailhist () {
+    TAG=$1
+    need_tag
+
+    pssh "
+    wget https://github.com/joewalnes/websocketd/releases/download/v0.3.0/websocketd-0.3.0_amd64.deb
+    sudo dpkg -i websocketd-0.3.0_amd64.deb
+    sudo mkdir -p /tmp/tailhist
+    sudo tee /root/tailhist.service <<EOF
+[Unit]
+Description=tailhist
+
+[Install]
+WantedBy=multi-user.target
+
+[Service]
+WorkingDirectory=/tmp/tailhist
+ExecStart=/usr/bin/websocketd --port=1088 --staticdir=. sh -c \"tail -n +1 -f /home/docker/.history || echo 'Could not read history file. Perhaps you need to \\\"chmod +r .history\\\"?'\"
+User=nobody
+Group=nogroup
+Restart=always
+EOF
+    sudo systemctl enable /root/tailhist.service
+    sudo systemctl start tailhist"
+    pssh -I sudo tee /tmp/tailhist/index.html <lib/tailhist.html
+}
+
 _cmd opensg "Open the default security group to ALL ingress traffic"
 _cmd_opensg() {
     need_infra $1
     infra_opensg
 }
 
+_cmd portworx "Prepare the nodes for Portworx deployment"
+_cmd_portworx() {
+    TAG=$1
+    need_tag
+
+    pssh "
+    sudo truncate --size 10G /portworx.blk &&
+    sudo losetup /dev/loop4 /portworx.blk"
+}
+
 _cmd disableaddrchecks "Disable source/destination IP address checks"
 _cmd_disableaddrchecks() {
     TAG=$1
@@ -467,7 +503,7 @@ _cmd_start() {
     need_infra $INFRA
 
     if [ -z "$TAG" ]; then
-        TAG=$(make_tag)
+        TAG=$(_cmd_maketag)
     fi
     mkdir -p tags/$TAG
     ln -s ../../$INFRA tags/$TAG/infra.sh
@@ -529,20 +565,24 @@ _cmd_test() {
     test_tag
 }
 
+_cmd tmux "Log into the first node and start a tmux server"
+_cmd_tmux() {
+    TAG=$1
+    need_tag
+    IP=$(head -1 tags/$TAG/ips.txt)
+    info "Opening ssh+tmux with $IP"
+    rm -f /tmp/tmux-$UID/default
+    ssh -t -L /tmp/tmux-$UID/default:/tmp/tmux-1001/default docker@$IP tmux new-session -As 0
+}
+
 _cmd helmprom "Install Helm and Prometheus"
 _cmd_helmprom() {
     TAG=$1
     need_tag
     pssh "
     if i_am_first_node; then
-        kubectl -n kube-system get serviceaccount helm ||
-            kubectl -n kube-system create serviceaccount helm
-        sudo -u docker -H helm init --service-account helm
-        kubectl get clusterrolebinding helm-can-do-everything ||
-            kubectl create clusterrolebinding helm-can-do-everything \
-                --clusterrole=cluster-admin \
-                --serviceaccount=kube-system:helm
-        sudo -u docker -H helm upgrade --install prometheus stable/prometheus \
+        sudo -u docker -H helm repo add stable https://kubernetes-charts.storage.googleapis.com/
+        sudo -u docker -H helm install prometheus stable/prometheus \
             --namespace kube-system \
             --set server.service.type=NodePort \
             --set server.service.nodePort=30090 \
@@ -729,10 +769,3 @@ sync_keys() {
         info "Using existing key $AWS_KEY_NAME."
     fi
 }
-
-make_tag() {
-    if [ -z $USER ]; then
-        export USER=anonymous
-    fi
-    date +%Y-%m-%d-%H-%M-$USER
-}

prepare-vms/lib/ips-txt-to-html.py

@@ -42,13 +42,15 @@ print("Generated ips.html")
 
 try:
     import pdfkit
+    paper_size = context["paper_size"]
+    margin = {"A4": "0.5cm", "Letter": "0.2in"}[paper_size]
     with open("ips.html") as f:
         pdfkit.from_file(f, "ips.pdf", options={
-            "page-size": context["paper_size"],
-            "margin-top": context["paper_margin"],
-            "margin-bottom": context["paper_margin"],
-            "margin-left": context["paper_margin"],
-            "margin-right": context["paper_margin"],
+            "page-size": paper_size,
+            "margin-top": margin,
+            "margin-bottom": margin,
+            "margin-left": margin,
+            "margin-right": margin,
             })
     print("Generated ips.pdf")
 except ImportError:

prepare-vms/lib/postprep.py

@@ -65,6 +65,15 @@ system("""sudo -u docker tee -a /home/docker/.bashrc <<SQRL
 export PS1='\e[1m\e[31m[{}] \e[32m(\\$(docker-prompt)) \e[34m\u@\h\e[35m \w\e[0m\n$ '
 SQRL""".format(ipv4))
 
+# Bigger history, in a different file, and saved before executing each command
+system("""sudo -u docker tee -a /home/docker/.bashrc <<SQRL
+export HISTSIZE=9999
+export HISTFILESIZE=9999
+shopt -s histappend
+trap 'history -a' DEBUG
+export HISTFILE=~/.history
+SQRL""")
+
 # Custom .vimrc
 system("""sudo -u docker tee /home/docker/.vimrc <<SQRL
 syntax on

prepare-vms/lib/tailhist.html

@@ -0,0 +1,42 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>bash history</title>
+    <style>
+      #log {
+        font: bold 24px courier;
+      }
+
+      #log div:last-child {
+        background: yellow;
+      }
+    </style>
+  </head>
+  <body>
+
+    <div id="log"></div>
+
+    <script>
+      var ws = new WebSocket('ws://' + (location.host ? location.host : "localhost:8080") + "/");
+      var log = document.getElementById('log');
+      var echo = function(text) {
+        var line = document.createElement('div');
+        line.textContent = text;
+        log.appendChild(line);
+        line.scrollIntoView();
+      }
+      ws.onopen = function() {
+        document.body.style.backgroundColor = '#cfc';
+      };
+      ws.onclose = function() {
+        document.body.style.backgroundColor = '#fcc';
+        echo("Disconnected from server. Try to reload this page?");
+      };
+      ws.onmessage = function(event) {
+        echo(event.data);
+      };
+    </script>
+
+  </body>
+</html>
+

prepare-vms/map-dns.py

@@ -0,0 +1,49 @@
+#!/usr/bin/env python
+import os
+import requests
+import yaml
+
+# configurable stuff
+domains_file = "../../plentydomains/domains.txt"
+config_file = os.path.join(
+	os.environ["HOME"], ".config/gandi/config.yaml")
+tag = "test"
+apiurl = "https://dns.api.gandi.net/api/v5/domains"
+
+# inferred stuff
+domains = open(domains_file).read().split()
+apikey = yaml.safe_load(open(config_file))["apirest"]["key"]
+ips = open(f"tags/{tag}/ips.txt").read().split()
+settings_file = f"tags/{tag}/settings.yaml"
+clustersize = yaml.safe_load(open(settings_file))["clustersize"]
+
+# now do the fucking work
+while domains and ips:
+	domain = domains[0]
+	domains = domains[1:]
+	cluster = ips[:clustersize]
+	ips = ips[clustersize:]
+	print(f"{domain} => {cluster}")
+	zone = ""
+	node = 0
+	for ip in cluster:
+		node += 1
+		zone += f"@ 300 IN A {ip}\n"
+		zone += f"* 300 IN A {ip}\n"
+		zone += f"node{node} 300 IN A {ip}\n"
+	r = requests.put(
+		f"{apiurl}/{domain}/records",
+		headers={"x-api-key": apikey},
+		data=zone)
+	print(r.text)
+
+	#r = requests.get(
+	#	f"{apiurl}/{domain}/records",
+	#	headers={"x-api-key": apikey},
+	#	)
+
+if domains:
+	print(f"Good, we have {len(domains)} domains left.")
+
+if ips:
+	print(f"Crap, we have {len(ips)} IP addresses left.")

prepare-vms/settings/admin-dmuc.yaml

@@ -10,13 +10,6 @@ cards_template: cards.html
 # Use "Letter" in the US, and "A4" everywhere else
 paper_size: A4
 
-# Feel free to reduce this if your printer can handle it
-paper_margin: 0.2in
-
-# Note: paper_size and paper_margin only apply to PDF generated with pdfkit.
-# If you print (or generate a PDF) using ips.html, they will be ignored.
-# (The equivalent parameters must be set from the browser's print dialog.)
-
 # This can be "test" or "stable"
 engine_version: stable
 

prepare-vms/settings/admin-kubenet.yaml

@@ -10,13 +10,6 @@ cards_template: cards.html
 # Use "Letter" in the US, and "A4" everywhere else
 paper_size: A4
 
-# Feel free to reduce this if your printer can handle it
-paper_margin: 0.2in
-
-# Note: paper_size and paper_margin only apply to PDF generated with pdfkit.
-# If you print (or generate a PDF) using ips.html, they will be ignored.
-# (The equivalent parameters must be set from the browser's print dialog.)
-
 # This can be "test" or "stable"
 engine_version: stable
 

prepare-vms/settings/admin-kuberouter.yaml

@@ -10,13 +10,6 @@ cards_template: cards.html
 # Use "Letter" in the US, and "A4" everywhere else
 paper_size: A4
 
-# Feel free to reduce this if your printer can handle it
-paper_margin: 0.2in
-
-# Note: paper_size and paper_margin only apply to PDF generated with pdfkit.
-# If you print (or generate a PDF) using ips.html, they will be ignored.
-# (The equivalent parameters must be set from the browser's print dialog.)
-
 # This can be "test" or "stable"
 engine_version: stable
 

prepare-vms/settings/admin-test.yaml

@@ -10,13 +10,6 @@ cards_template: cards.html
 # Use "Letter" in the US, and "A4" everywhere else
 paper_size: A4
 
-# Feel free to reduce this if your printer can handle it
-paper_margin: 0.2in
-
-# Note: paper_size and paper_margin only apply to PDF generated with pdfkit.
-# If you print (or generate a PDF) using ips.html, they will be ignored.
-# (The equivalent parameters must be set from the browser's print dialog.)
-
 # This can be "test" or "stable"
 engine_version: stable
 

prepare-vms/settings/example.yaml

@@ -12,13 +12,6 @@ cards_template: cards.html
 # Use "Letter" in the US, and "A4" everywhere else
 paper_size: Letter
 
-# Feel free to reduce this if your printer can handle it
-paper_margin: 0.2in
-
-# Note: paper_size and paper_margin only apply to PDF generated with pdfkit.
-# If you print (or generate a PDF) using ips.html, they will be ignored.
-# (The equivalent parameters must be set from the browser's print dialog.)
-
 # This can be "test" or "stable"
 engine_version: test
 

prepare-vms/settings/fundamentals.yaml

@@ -12,21 +12,12 @@ cards_template: cards.html
 # Use "Letter" in the US, and "A4" everywhere else
 paper_size: Letter
 
-# Feel free to reduce this if your printer can handle it
-paper_margin: 0.2in
-
-# Note: paper_size and paper_margin only apply to PDF generated with pdfkit.
-# If you print (or generate a PDF) using ips.html, they will be ignored.
-# (The equivalent parameters must be set from the browser's print dialog.)
-
 # This can be "test" or "stable"
 engine_version: stable
 
 # These correspond to the version numbers visible on their respective GitHub release pages
-compose_version: 1.24.1
+compose_version: 1.25.4
 machine_version: 0.15.0
 
 # Password used to connect with the "docker user"
-docker_user_password: Unicaen
-
-url: https://intro-2019-12.container.training/
+docker_user_password: training

prepare-vms/settings/jerome.yaml

@@ -10,19 +10,13 @@ cards_template: cards.html
 # Use "Letter" in the US, and "A4" everywhere else
 paper_size: Letter
 
-# Feel free to reduce this if your printer can handle it
-paper_margin: 0.2in
-
-# Note: paper_size and paper_margin only apply to PDF generated with pdfkit.
-# If you print (or generate a PDF) using ips.html, they will be ignored.
-# (The equivalent parameters must be set from the browser's print dialog.)
-
 # This can be "test" or "stable"
 engine_version: stable
 
 # These correspond to the version numbers visible on their respective GitHub release pages
-compose_version: 1.24.1
+compose_version: 1.25.4
 machine_version: 0.14.0
 
 # Password used to connect with the "docker user"
 docker_user_password: training
+

prepare-vms/settings/kube101.yaml

@@ -12,13 +12,6 @@ cards_template: cards.html
 # Use "Letter" in the US, and "A4" everywhere else
 paper_size: Letter
 
-# Feel free to reduce this if your printer can handle it
-paper_margin: 0.2in
-
-# Note: paper_size and paper_margin only apply to PDF generated with pdfkit.
-# If you print (or generate a PDF) using ips.html, they will be ignored.
-# (The equivalent parameters must be set from the browser's print dialog.)
-
 # This can be "test" or "stable"
 engine_version: stable
 

prepare-vms/settings/swarm.yaml

@@ -12,13 +12,6 @@ cards_template: cards.html
 # Use "Letter" in the US, and "A4" everywhere else
 paper_size: Letter
 
-# Feel free to reduce this if your printer can handle it
-paper_margin: 0.2in
-
-# Note: paper_size and paper_margin only apply to PDF generated with pdfkit.
-# If you print (or generate a PDF) using ips.html, they will be ignored.
-# (The equivalent parameters must be set from the browser's print dialog.)
-
 # This can be "test" or "stable"
 engine_version: stable
 

prepare-vms/setup-admin-clusters.sh

@@ -1,9 +1,24 @@
 #!/bin/sh
 set -e
 
+retry () {
+	N=$1
+	I=0
+	shift
+
+	while ! "$@"; do
+		I=$(($I+1))
+		if [ $I -gt $N ]; then
+			echo "FAILED, ABORTING"
+			exit 1
+		fi
+		echo "FAILED, RETRYING ($I/$N)"
+	done
+}
+
 export AWS_INSTANCE_TYPE=t3a.small
 
-INFRA=infra/aws-us-west-2
+INFRA=infra/aws-eu-west-3
 
 STUDENTS=2
 
@@ -17,9 +32,9 @@ TAG=$PREFIX-$SETTINGS
 	--settings settings/$SETTINGS.yaml \
 	--count $STUDENTS
 
-./workshopctl deploy $TAG
-./workshopctl disabledocker $TAG
-./workshopctl kubebins $TAG
+retry 5 ./workshopctl deploy $TAG
+retry 5 ./workshopctl disabledocker $TAG
+retry 5 ./workshopctl kubebins $TAG
 ./workshopctl cards $TAG
 
 SETTINGS=admin-kubenet
@@ -30,9 +45,9 @@ TAG=$PREFIX-$SETTINGS
 	--settings settings/$SETTINGS.yaml \
 	--count $((3*$STUDENTS))
 
-./workshopctl disableaddrchecks $TAG
-./workshopctl deploy $TAG
-./workshopctl kubebins $TAG
+retry 5 ./workshopctl disableaddrchecks $TAG
+retry 5 ./workshopctl deploy $TAG
+retry 5 ./workshopctl kubebins $TAG
 ./workshopctl cards $TAG
 
 SETTINGS=admin-kuberouter
@@ -43,9 +58,9 @@ TAG=$PREFIX-$SETTINGS
 	--settings settings/$SETTINGS.yaml \
 	--count $((3*$STUDENTS))
 
-./workshopctl disableaddrchecks $TAG
-./workshopctl deploy $TAG
-./workshopctl kubebins $TAG
+retry 5 ./workshopctl disableaddrchecks $TAG
+retry 5 ./workshopctl deploy $TAG
+retry 5 ./workshopctl kubebins $TAG
 ./workshopctl cards $TAG
 
 #INFRA=infra/aws-us-west-1
@@ -60,7 +75,6 @@ TAG=$PREFIX-$SETTINGS
 	--settings settings/$SETTINGS.yaml \
 	--count $((3*$STUDENTS))
 
-./workshopctl deploy $TAG
-./workshopctl kube $TAG 1.14.6
+retry 5 ./workshopctl deploy $TAG
+retry 5 ./workshopctl kube $TAG 1.15.9
 ./workshopctl cards $TAG
-

prepare-vms/templates/cards.html

@@ -18,8 +18,14 @@
     | default("kube") -%}
 {%- set clusternumber = clusternumber
     | default(None) -%}
+{%- if qrcode == True -%}
+    {%- set qrcode = "https://container.training/q" -%}
+{%- elif qrcode -%}
+    {%- set qrcode = qrcode -%}
+{%- endif -%}
 
-{%- set image_src = {
+{# You can also set img_bottom_src instead. #}
+{%- set img_logo_src = {
 	"docker": "https://s3-us-west-2.amazonaws.com/www.breadware.com/integrations/docker.png",
 	"swarm": "https://cdn.wp.nginx.com/wp-content/uploads/2016/07/docker-swarm-hero2.png",
 	"kube": "https://avatars1.githubusercontent.com/u/13629408",
@@ -85,9 +91,33 @@
 {%- endif -%}
 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
 <html>
-<head><style>
+<head>
+<style>
 @import url('https://fonts.googleapis.com/css?family=Slabo+27px');
 
+{% if paper_size == "A4" %}
+@page {
+    size: A4; /* Change from the default size of A4 */
+    margin: 0.5cm; /* Set margin on each page */
+}
+body {
+    /* this is A4 minus 0.5cm margins */
+	width: 20cm;
+	height: 28.7cm;
+}
+{% elif paper_size == "Letter" %}
+@page {
+	size: Letter;
+	margin: 0.2in;
+}
+body {
+	/* this is Letter minus 0.2in margins */
+	width: 8.6in;
+	heigth: 10.6in;
+}
+{% endif %}
+
+
 body, table {
     margin: 0;
     padding: 0;
@@ -108,53 +138,45 @@ div {
     float: left;
     border: 1px dotted black;
     {% if backside %}
-    height: 31%;
+    height: 33%;
     {% endif %}
-    padding-top: 1%;
-    padding-bottom: 1%;
     /* columns * (width+left+right) < 100% */
     /*
-    width: 21.5%;
-    padding-left: 1.5%;
-    padding-right: 1.5%;
+    width: 24.8%;
     */
     /**/
-    width: 30%;
-    padding-left: 1.5%;
-    padding-right: 1.5%;
+    width: 33%;
     /**/    
 }
 
 p {
-    margin: 0.4em 0 0.4em 0;
+    margin: 0.8em;
 }
 
 div.back {
-	border: 1px dotted white;
+	border: 1px dotted grey;
 }
 
-div.back p {
-    margin: 0.5em 1em 0 1em;
+span.scale {
+	white-space: nowrap;
 }
 
-img {
-    height: 4em;
+img.logo {
+    height: 4.5em;
     float: right;
-    margin-right: -0.2em;
+ }
+
+img.bottom {
+    height: 2.5em;
+    display: block;
+    margin: 0.5em auto;
 }
 
-/*
-img.enix {
-    height: 4.0em;
-    margin-top: 0.4em;
+.qrcode img {
+    width: 40%;
+    margin: 1em;
 }
 
-img.kube {
-    height: 4.2em;
-    margin-top: 1.7em;
-}
-*/
-
 .logpass {
     font-family: monospace;
     font-weight: bold;
@@ -164,16 +186,43 @@ img.kube {
     page-break-after: always;
     clear: both;
     display: block;
-    height: 8px;
+    height: 0;
 }
-</style></head>
-<body>
+</style>
+<script type="text/javascript" src="https://cdn.rawgit.com/davidshimjs/qrcodejs/gh-pages/qrcode.min.js"></script>
+<script type="text/javascript">
+function qrcodes() {
+	[].forEach.call(
+		document.getElementsByClassName("qrcode"),
+		(e, index) => {
+			new QRCode(e, {
+				text: "{{ qrcode }}",
+				correctLevel: QRCode.CorrectLevel.L
+			});
+		}
+	);
+}
+
+function scale() {
+	[].forEach.call(
+		document.getElementsByClassName("scale"),
+		(e, index) => {
+			var text_width = e.getBoundingClientRect().width;
+			var box_width = e.parentElement.getBoundingClientRect().width;
+			var percent = 100 * box_width / text_width + "%";
+			e.style.fontSize = percent;
+		}
+	);
+}
+</script>
+</head>
+<body onload="qrcodes(); scale();">
 {% for cluster in clusters %}
     <div>
         <p>{{ intro }}</p>
         <p>
-            {% if image_src %}
-            <img src="{{ image_src }}" />
+            {% if img_logo_src %}
+            <img class="logo" src="{{ img_logo_src }}" />
             {% endif %}
             <table>
             	{% if clusternumber != None %}
@@ -202,7 +251,12 @@ img.kube {
         <p>
             {% if url %}
         	{{ slides_are_at }}
-            <center>{{ url }}</center>
+            <p>
+                <span class="scale">{{ url }}</span>
+            </p>
+            {% endif %}
+            {% if img_bottom_src %}
+            <img class="bottom" src="{{ img_bottom_src }}" />
             {% endif %}
         </p>
     </div>
@@ -211,18 +265,21 @@ img.kube {
         {% if backside %}
 			{% for x in range(pagesize) %}
 		        <div class="back">
-		        <br/>
-				<p>You got this at the workshop
+				<p>Thanks for attending
 				"Getting Started With Kubernetes and Container Orchestration"
-				during QCON London (March 2019).</p>
+				during CONFERENCE in Month YYYY!</p>
 				<p>If you liked that workshop,
-				I can train your team or organization
-				on Docker, container, and Kubernetes,
-				with curriculums of 1 to 5 days.
+				I can train your team, in person or
+				online, with custom courses of
+				any length and any level.
 				</p>
-				<p>Interested? Contact me at:</p>
+	            {% if qrcode %}
+	            <p>If you're interested, please scan that QR code to contact me:</p>
+				<span class="qrcode"></span>
+                {% else %}
+				<p>If you're interested, you can contact me at:</p>
+				{% endif %}
 				<p>jerome.petazzoni@gmail.com</p>
-				<p>Thank you!</p>
 		        </div>
 			{% endfor %}
 		<span class="pagebreak"></span>

prepare-vms/terraform/machines.tf

@@ -1,5 +1,5 @@
 resource "openstack_compute_instance_v2" "machine" {
-  count           = "${var.count}"
+  count           = "${var.count}" 
   name            = "${format("%s-%04d", "${var.prefix}", count.index+1)}"
   image_name      = "Ubuntu 16.04.5 (Xenial Xerus)"
   flavor_name     = "${var.flavor}"

prepare-vms/terraform/provider.tf

@@ -1,13 +1,13 @@
 provider "openstack" {
-  #  user_name   = "${var.user}"
-  #  tenant_name = "${var.tenant}"
-  #  domain_name = "${var.domain}"
-  #  password    = "${var.password}"
-  #  auth_url    = "${var.auth_url}"
+  user_name   = "${var.user}"
+  tenant_name = "${var.tenant}"
+  domain_name = "${var.domain}"
+  password    = "${var.password}"
+  auth_url    = "${var.auth_url}"
 }
 
-#variable "user" {}
-#variable "tenant" {}
-#variable "domain" {}
-#variable "password" {}
-#variable "auth_url" {}
+variable "user" {}
+variable "tenant" {}
+variable "domain" {}
+variable "password" {}
+variable "auth_url" {}

slides/Dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.9
-RUN apk add --no-cache entr py-pip git
+FROM alpine:3.11
+RUN apk add --no-cache entr py3-pip git zip
 COPY requirements.txt .
-RUN pip install -r requirements.txt
+RUN pip3 install -r requirements.txt

slides/_redirects

@@ -2,7 +2,14 @@
 #/ /kube-halfday.yml.html 200
 #/ /kube-fullday.yml.html 200
 #/ /kube-twodays.yml.html 200
-/ /intro-fullday.yml.html 200!
 
 # And this allows to do "git clone https://container.training".
 /info/refs service=git-upload-pack https://github.com/jpetazzo/container.training/info/refs?service=git-upload-pack
+
+#/dockermastery https://www.udemy.com/course/docker-mastery/?referralCode=1410924A733D33635CCB
+#/kubernetesmastery https://www.udemy.com/course/kubernetesmastery/?referralCode=7E09090AF9B79E6C283F
+/dockermastery https://www.udemy.com/course/docker-mastery/?couponCode=SWEETFEBSALEC1
+/kubernetesmastery https://www.udemy.com/course/kubernetesmastery/?couponCode=SWEETFEBSALEC4
+
+# Shortlink for the QRCode
+/q /qrcode.html 200

slides/autopilot/autotest.py

@@ -26,9 +26,10 @@ IPADDR = None
 class State(object):
 
     def __init__(self):
+        self.clipboard = ""
         self.interactive = True
-        self.verify_status = False
-        self.simulate_type = True
+        self.verify_status = True
+        self.simulate_type = False
         self.switch_desktop = False
         self.sync_slides = False
         self.open_links = False
@@ -38,6 +39,7 @@ class State(object):
 
     def load(self):
         data = yaml.load(open("state.yaml"))
+        self.clipboard = str(data["clipboard"])
         self.interactive = bool(data["interactive"])
         self.verify_status = bool(data["verify_status"])
         self.simulate_type = bool(data["simulate_type"])
@@ -51,6 +53,7 @@ class State(object):
     def save(self):
         with open("state.yaml", "w") as f:
             yaml.dump(dict(
+                clipboard=self.clipboard,
                 interactive=self.interactive,
                 verify_status=self.verify_status,
                 simulate_type=self.simulate_type,
@@ -66,6 +69,8 @@ class State(object):
 state = State()
 
 
+outfile = open("autopilot.log", "w")
+
 def hrule():
     return "="*int(subprocess.check_output(["tput", "cols"]))
 
@@ -85,9 +90,11 @@ class Snippet(object):
         # On single-line snippets, the data follows the method immediately
         if '\n' in content:
             self.method, self.data = content.split('\n', 1)
-        else:
+            self.data = self.data.strip()
+        elif ' ' in content:
             self.method, self.data = content.split(' ', 1)
-        self.data = self.data.strip()
+        else:
+            self.method, self.data = content, None
         self.next = None
 
     def __str__(self):
@@ -186,7 +193,7 @@ def wait_for_prompt():
         if last_line == "$":
             # This is a perfect opportunity to grab the node's IP address
             global IPADDR
-            IPADDR = re.findall("^\[(.*)\]", output, re.MULTILINE)[-1]
+            IPADDR = re.findall("\[(.*)\]", output, re.MULTILINE)[-1]
             return
         # When we are in an alpine container, the prompt will be "/ #"
         if last_line == "/ #":
@@ -235,6 +242,8 @@ tmux
 
 rm -f /tmp/tmux-{uid}/default && ssh -t -L /tmp/tmux-{uid}/default:/tmp/tmux-1001/default docker@{ipaddr} tmux new-session -As 0
 
+(Or use workshopctl tmux)
+
 3. If you cannot control a remote tmux:
 
 tmux new-session ssh docker@{ipaddr}
@@ -259,26 +268,11 @@ for slide in re.split("\n---?\n", content):
         slide_classes = slide_classes[0].split(",")
         slide_classes = [c.strip() for c in slide_classes]
     if excluded_classes & set(slide_classes):
-        logging.info("Skipping excluded slide.")
+        logging.debug("Skipping excluded slide.")
         continue
     slides.append(Slide(slide))
 
 
-def send_keys(data):
-    if state.simulate_type and data[0] != '^':
-        for key in data:
-            if key == ";":
-                key = "\\;"
-            if key == "\n":
-                if interruptible_sleep(1): return
-            subprocess.check_call(["tmux", "send-keys", key])
-            if interruptible_sleep(0.15*random.random()): return
-            if key == "\n":
-                if interruptible_sleep(1): return
-    else:
-        subprocess.check_call(["tmux", "send-keys", data])
-
-
 def capture_pane():
     return subprocess.check_output(["tmux", "capture-pane", "-p"]).decode('utf-8')
 
@@ -288,7 +282,7 @@ setup_tmux_and_ssh()
 
 try:
     state.load()
-    logging.info("Successfully loaded state from file.")
+    logging.debug("Successfully loaded state from file.")
     # Let's override the starting state, so that when an error occurs,
     # we can restart the auto-tester and then single-step or debug.
     # (Instead of running again through the same issue immediately.)
@@ -297,6 +291,7 @@ except Exception as e:
     logging.exception("Could not load state from file.")
     logging.warning("Using default values.")
 
+
 def move_forward():
     state.snippet += 1
     if state.snippet > len(slides[state.slide].snippets):
@@ -320,10 +315,147 @@ def check_bounds():
         state.slide = len(slides)-1
 
 
+##########################################################
+# All functions starting with action_ correspond to the
+# code to be executed when seeing ```foo``` blocks in the
+# input. ```foo``` would call action_foo(state, snippet).
+##########################################################
+
+
+def send_keys(keys):
+    subprocess.check_call(["tmux", "send-keys", keys])
+
+# Send a single key.
+# Useful for special keys, e.g. tmux interprets these strings:
+# ^C (and all other sequences starting with a caret)
+# Space
+# ... and many others (check tmux manpage for details).
+def action_key(state, snippet):
+    send_keys(snippet.data)
+
+
+# Send multiple keys.
+# If keystroke simulation is off, all keys are sent at once.
+# If keystroke simulation is on, keys are sent one by one, with a delay between them.
+def action_keys(state, snippet, keys=None):
+    if keys is None:
+        keys = snippet.data
+    if not state.simulate_type:
+        send_keys(keys)
+    else:
+        for key in keys:
+            if key == ";":
+                key = "\\;"
+            if key == "\n":
+                if interruptible_sleep(1): return
+            send_keys(key)
+            if interruptible_sleep(0.15*random.random()): return
+            if key == "\n":
+                if interruptible_sleep(1): return
+
+
+def action_hide(state, snippet):
+    if state.run_hidden:
+        action_bash(state, snippet)
+
+
+def action_bash(state, snippet):
+    data = snippet.data
+    # Make sure that we're ready
+    wait_for_prompt()
+    # Strip leading spaces
+    data = re.sub("\n +", "\n", data)
+    # Remove backticks (they are used to highlight sections)
+    data = data.replace('`', '')
+    # Add "RETURN" at the end of the command :)
+    data += "\n"
+    # Send command
+    action_keys(state, snippet, data)
+    # Force a short sleep to avoid race condition
+    time.sleep(0.5)
+    if snippet.next and snippet.next.method == "wait":
+        wait_for_string(snippet.next.data)
+    elif snippet.next and snippet.next.method == "longwait":
+        wait_for_string(snippet.next.data, 10*TIMEOUT)
+    else:
+        wait_for_prompt()
+        # Verify return code
+        check_exit_status()
+
+
+def action_copy(state, snippet):
+    screen = capture_pane()
+    matches = re.findall(snippet.data, screen, flags=re.DOTALL)
+    if len(matches) == 0:
+        raise Exception("Could not find regex {} in output.".format(snippet.data))
+    # Arbitrarily get the most recent match
+    match = matches[-1]
+    # Remove line breaks (like a screen copy paste would do)
+    match = match.replace('\n', '')
+    logging.debug("Copied {} to clipboard.".format(match))
+    state.clipboard = match
+
+
+def action_paste(state, snippet):
+    logging.debug("Pasting {} from clipboard.".format(state.clipboard))
+    action_keys(state, snippet, state.clipboard)
+
+
+def action_check(state, snippet):
+    wait_for_prompt()
+    check_exit_status()
+
+
+def action_open(state, snippet):
+    # Cheap way to get node1's IP address
+    screen = capture_pane()
+    url = snippet.data.replace("/node1", "/{}".format(IPADDR))
+    # This should probably be adapted to run on different OS
+    if state.open_links:
+        subprocess.check_output(["xdg-open", url])
+        focus_browser()
+        if state.interactive:
+            print("Press any key to continue to next step...")
+            click.getchar()
+
+
+def action_tmux(state, snippet):
+    subprocess.check_call(["tmux"] + snippet.data.split())
+
+
+def action_unknown(state, snippet):
+    logging.warning("Unknown method {}: {!r}".format(snippet.method, snippet.data))
+
+
+def run_snippet(state, snippet):
+    logging.info("Running with method {}: {}".format(snippet.method, snippet.data))
+    try:
+        action = globals()["action_"+snippet.method]
+    except KeyError:
+        action = action_unknown
+    try:
+        action(state, snippet)
+        result = "OK"
+    except:
+        result = "ERR"
+        logging.exception("While running method {} with {!r}".format(snippet.method, snippet.data))
+        # Try to recover
+        try:
+            wait_for_prompt()
+        except:
+            subprocess.check_call(["tmux", "new-window"])
+            wait_for_prompt()
+    outfile.write("{} SLIDE={} METHOD={} DATA={!r}\n".format(result, state.slide, snippet.method, snippet.data))
+    outfile.flush()
+
+
 while True:
     state.save()
     slide = slides[state.slide]
-    snippet = slide.snippets[state.snippet-1] if state.snippet else None
+    if state.snippet and state.snippet <= len(slide.snippets):
+        snippet = slide.snippets[state.snippet-1]
+    else:
+        snippet = None
     click.clear()
     print("[Slide {}/{}] [Snippet {}/{}] [simulate_type:{}] [verify_status:{}] "
           "[switch_desktop:{}] [sync_slides:{}] [open_links:{}] [run_hidden:{}]"
@@ -385,7 +517,10 @@ while True:
         # continue until next timeout
         state.interactive = False
     elif command in ("y", "\r", " "):
-        if not snippet:
+        if snippet:
+            run_snippet(state, snippet)
+            move_forward()
+        else:
             # Advance to next snippet
             # Advance until a slide that has snippets
             while not slides[state.slide].snippets:
@@ -395,59 +530,5 @@ while True:
                     break
             # And then advance to the snippet
             move_forward()
-            continue
-        method, data = snippet.method, snippet.data
-        logging.info("Running with method {}: {}".format(method, data))
-        if method == "keys":
-            send_keys(data)
-        elif method == "bash" or (method == "hide" and state.run_hidden):
-            # Make sure that we're ready
-            wait_for_prompt()
-            # Strip leading spaces
-            data = re.sub("\n +", "\n", data)
-            # Remove backticks (they are used to highlight sections)
-            data = data.replace('`', '')
-            # Add "RETURN" at the end of the command :)
-            data += "\n"
-            # Send command
-            send_keys(data)
-            # Force a short sleep to avoid race condition
-            time.sleep(0.5)
-            if snippet.next and snippet.next.method == "wait":
-                wait_for_string(snippet.next.data)
-            elif snippet.next and snippet.next.method == "longwait":
-                wait_for_string(snippet.next.data, 10*TIMEOUT)
-            else:
-                wait_for_prompt()
-                # Verify return code
-                check_exit_status()
-        elif method == "copypaste":
-            screen = capture_pane()
-            matches = re.findall(data, screen, flags=re.DOTALL)
-            if len(matches) == 0:
-                raise Exception("Could not find regex {} in output.".format(data))
-            # Arbitrarily get the most recent match
-            match = matches[-1]
-            # Remove line breaks (like a screen copy paste would do)
-            match = match.replace('\n', '')
-            send_keys(match + '\n')
-            # FIXME: we should factor out the "bash" method
-            wait_for_prompt()
-            check_exit_status()
-        elif method == "open":
-            # Cheap way to get node1's IP address
-            screen = capture_pane()
-            url = data.replace("/node1", "/{}".format(IPADDR))
-            # This should probably be adapted to run on different OS
-            if state.open_links:
-                subprocess.check_output(["xdg-open", url])
-                focus_browser()
-                if state.interactive:
-                    print("Press any key to continue to next step...")
-                    click.getchar()
-        else:
-            logging.warning("Unknown method {}: {!r}".format(method, data))
-        move_forward()
-
     else:
         logging.warning("Unknown command {}.".format(command))

slides/build.sh

@@ -14,6 +14,7 @@ once)
       ./appendcheck.py $YAML.html
     done
   fi
+  zip -qr slides.zip . && echo "Created slides.zip archive."
   ;;
 
 forever)

slides/containers/Advanced_Dockerfiles.md

@@ -27,9 +27,7 @@ In this section, we will see more Dockerfile commands.
 * When there are no changes in the instructions and files making a layer,
   the builder re-uses the cached layer, without executing the instruction for that layer.
 
-* The `FROM` instruction ~~MUST~~ be the first non-comment instruction.
-
- (Addendum: `ARG` can now be placed before a `FROM`)
+* The `FROM` instruction MUST be the first non-comment instruction.
 
 * Lines starting with `#` are treated as comments.
 

slides/containers/Building_Images_With_Dockerfiles.md

@@ -222,21 +222,63 @@ f9e8f1642759  About an hour ago  /bin/sh -c apt-get install fi  1.627 MB
 
 ---
 
-## Introducing JSON syntax
+class: extra-details
 
-Most Dockerfile arguments can be passed in two forms:
+## Why `sh -c`?
 
-* plain string:
+* On UNIX, to start a new program, we need two system calls:
+
+  - `fork()`, to create a new child process;
+
+  - `execve()`, to replace the new child process with the program to run.
+
+* Conceptually, `execve()` works like this:
+
+  `execve(program, [list, of, arguments])`
+
+* When we run a command, e.g. `ls -l /tmp`, something needs to parse the command.
+
+  (i.e. split the program and its arguments into a list.)
+
+* The shell is usually doing that.
+
+  (It also takes care of expanding environment variables and special things like `~`.)
+
+---
+
+class: extra-details
+
+## Why `sh -c`?
+
+* When we do `RUN ls -l /tmp`, the Docker builder needs to parse the command.
+
+* Instead of implementing its own parser, it outsources the job to the shell.
+
+* That's why we see `sh -c ls -l /tmp` in that case.
+
+* But we can also do the parsing jobs ourselves.
+
+* This means passing `RUN` a list of arguments.
+
+* This is called the *exec syntax*.
+
+---
+
+## Shell syntax vs exec syntax
+
+Dockerfile commands that execute something can have two forms:
+
+* plain string, or *shell syntax*:
   <br/>`RUN apt-get install figlet`
 
-* JSON list:
+* JSON list, or *exec syntax*:
   <br/>`RUN ["apt-get", "install", "figlet"]`
 
 We are going to change our Dockerfile to see how it affects the resulting image.
 
 ---
 
-## Using JSON syntax in our Dockerfile
+## Using exec syntax in our Dockerfile
 
 Let's change our Dockerfile as follows!
 
@@ -254,7 +296,7 @@ $ docker build -t figlet .
 
 ---
 
-## JSON syntax vs string syntax
+## History with exec syntax
 
 Compare the new history:
 
@@ -269,24 +311,55 @@ IMAGE         CREATED            CREATED BY                     SIZE
 <missing>     4 days ago         /bin/sh -c #(nop) ADD file:b   187.8 MB
 ```
 
-* JSON syntax specifies an *exact* command to execute.
+* Exec syntax specifies an *exact* command to execute.
 
-* String syntax specifies a command to be wrapped within `/bin/sh -c "..."`.
+* Shell syntax specifies a command to be wrapped within `/bin/sh -c "..."`.
 
 ---
 
-## When to use JSON syntax and string syntax
+## When to use exec syntax and shell syntax
 
-* String syntax:
+* shell syntax:
 
   * is easier to write
   * interpolates environment variables and other shell expressions
   * creates an extra process (`/bin/sh -c ...`) to parse the string
   * requires `/bin/sh` to exist in the container
 
-* JSON syntax:
+* exec syntax:
 
   * is harder to write (and read!)
   * passes all arguments without extra processing
   * doesn't create an extra process
   * doesn't require `/bin/sh` to exist in the container
+
+---
+
+## Pro-tip: the `exec` shell built-in
+
+POSIX shells have a built-in command named `exec`.
+
+`exec` should be followed by a program and its arguments.
+
+From a user perspective:
+
+- it looks like the shell exits right away after the command execution,
+
+- in fact, the shell exits just *before* command execution;
+
+- or rather, the shell gets *replaced* by the command.
+
+---
+
+## Example using `exec`
+
+```dockerfile
+CMD exec figlet -f script hello
+```
+
+In this example, `sh -c` will still be used, but
+`figlet` will be PID 1 in the container.
+
+The shell gets replaced by `figlet` when `figlet` starts execution.
+
+This allows to run processes as PID 1 without using JSON.

slides/containers/Init_Systems.md

@@ -0,0 +1,137 @@
+# Init systems and PID 1
+
+In this chapter, we will consider:
+
+- the role of PID 1 in the world of Docker,
+
+- how to avoid some common pitfalls due to the misuse of init systems.
+
+---
+
+## What's an init system?
+
+- On UNIX, the "init system" (or "init" in short) is PID 1.
+
+- It is the first process started by the kernel when the system starts.
+
+- It has multiple responsibilities:
+
+  - start every other process on the machine,
+
+  - reap orphaned zombie processes.
+
+---
+
+class: extra-details
+
+## Orphaned zombie processes ?!?
+
+- When a process exits (or "dies"), it becomes a "zombie".
+
+  (Zombie processes show up in `ps` or `top` with the status code `Z`.)
+
+- Its parent process must *reap* the zombie process.
+
+  (This is done by calling `waitpid()` to retrieve the process' exit status.)
+
+- When a process exits, if it has child processes, these processes are "orphaned."
+
+- They are then re-parented to PID 1, init.
+
+- Init therefore needs to take care of these orphaned processes when they exit.
+
+---
+
+## Don't use init systems in containers
+
+- It's often tempting to use an init system or a process manager.
+
+  (Examples: *systemd*, *supervisord*...)
+
+- Our containers are then called "system containers".
+
+  (By contrast with "application containers".)
+
+- "System containers" are similar to lightweight virtual machines.
+
+- They have multiple downsides:
+
+  - when starting multiple processes, their logs get mixed on stdout,
+
+  - if the application process dies, the container engine doesn't see it.
+
+- Overall, they make it harder to operate troubleshoot containerized apps.
+
+---
+
+## Exceptions and workarounds
+
+- Sometimes, it's convenient to run a real init system like *systemd*.
+
+  (Example: a CI system whose goal is precisely to test an init script or unit file.)
+
+- If we need to run multiple processes: can we use multiple containers?
+
+  (Example: [this Compose file](https://github.com/jpetazzo/container.training/blob/master/compose/simple-k8s-control-plane/docker-compose.yaml) runs multiple processes together.)
+
+- When deploying with Kubernetes:
+
+  - a container belong to a pod,
+
+  - a pod can have multiple containers.
+
+---
+
+## What about these zombie processes?
+
+- Our application runs as PID 1 in the container.
+
+- Our application may or may not be designed to reap zombie processes.
+
+- If our application uses subprocesses and doesn't reap them ...
+
+  ... this can lead to PID exhaustion!
+
+  (Or, more realistically, to a confusing herd of zombie processes.)
+
+- How can we solve this?
+
+---
+
+## Tini to the rescue
+
+- Docker can automatically provide a minimal `init` process.
+
+- This is enabled with `docker run --init ...`
+
+- It uses a small init system ([tini](https://github.com/krallin/tini)) as PID 1:
+
+  - it reaps zombies,
+
+  - it forwards signals,
+
+  - it exits when the child exits.
+
+- It is totally transparent to our application.
+
+- We should use it if our application creates subprocess but doesn't reap them.
+
+---
+
+class: extra-details
+
+## What about Kubernetes?
+
+- Kubernetes does not expose that `--init` option.
+
+- However, we can achieve the same result with [Process Namespace Sharing](https://kubernetes.io/docs/tasks/configure-pod-container/share-process-namespace/).
+
+- When Process Namespace Sharing is enabled, PID 1 will be `pause`.
+
+- That `pause` process takes care of reaping zombies.
+
+- Process Namespace Sharing is available since Kubernetes 1.16.
+
+- If you're using an older version of Kubernetes ...
+
+  ... you might have to add `tini` explicitly to your Docker image.

slides/containers/Init_systems.md

@@ -1,79 +0,0 @@
-# Init-systems and PID 1
-
-In this chapter, we will consider the role of PID 1 in the world of Docker,
-
-and how to avoid some common pitfalls due to the misuse of init-systems.
-
----
-## Don't use init-systems
-
-- It's often tempting to use init-systems (*systemd*, *supervisord*)
-
-  and use docker as a "lightweight VM"
-
-- This often a bad idea, as it make things harder to debug:
-
-  - *example 1*: if you start a container changing it's entrypoint to a shell,
-
-      how to easily start the original process ?
-
-  - *example 2*: if you run multiple process, logs are mixed to stdout
-
-  - *example 3*: you're process is dying but you're init process is not
-
-      => the container is running for nothing
-
----
-## Don't use init-systems, but ...
-
-- In UNIX, a dead child process still use a PID till it's parent read it's status
-
-- In the meantime of being read by it's parent,
-
-  those process are called `Zombie` or `defunct` process
-
-- If not being ripped off, zombie processes could crash a server (PID exhaution)
-
-- If the parent also dies before reading it's child container the zombie are attach to the PID 1 in some cases.
-
-- On a VM or real system, one of the role of the PID 1(Init-systems) is to rip zombies.
-
-  *This also apply to containers*
-
----
-## Use an init
-
-- You're application is running as PID 1 in the docker container
-
-- You're application is surely not designed to read status of random attaching child
-
-- Then everything is blowing up due to PID exhaution
-
-  => Docker now has a built-in init you can enable `docker run --init`
-
-- This is a small init-system([tini](https://github.com/krallin/tini)) that takes the role of PID 1
-
-- Only rips zombies, completly transparent otherwise
-
-  (forwards signals, exit when child exit, etc).
-
-- Orchestrators like kubernetes has no option to turn `--init` when running container,
-
-  so you might want to add explicitly to you're docker image, and use it as entrypoint
-
----
-## Use it or not ?
-
-- Sometimes it's also handy to run a full init-system like *systemd*:
-
-  - In CI when you're goal is exactly to test an init-script or a unit-file.
-
-- You might think, if it's ok for *systemd*, this is surely ok for *supervisord*
-
-  especially running multiple times the same process (then, mixed logs is not a big deal)
-
-  => I would strongly *NOT* recommand to do so.
-
-- It's often design to restart unhealthy process automatically
-
-  and thus masquerade things to the operator or to the orchestrator (whose role is identical)

slides/containers/Installing_Docker.md

@@ -102,29 +102,44 @@ class: extra-details
 
 ---
 
-## Docker Desktop for Mac and Docker Desktop for Windows
+## Docker Desktop
 
-* Special Docker Editions that integrate well with their respective host OS
+* Special Docker edition available for Mac and Windows
 
-* Provide user-friendly GUI to edit Docker configuration and settings
+* Integrates well with the host OS:
 
-* Leverage the host OS virtualization subsystem (e.g. the [Hypervisor API](https://developer.apple.com/documentation/hypervisor) on macOS)
+  * installed like normal user applications on the host
 
-* Installed like normal user applications on the host
+  * provides user-friendly GUI to edit Docker configuration and settings
 
-* Under the hood, they both run a tiny VM (transparent to our daily use)
+* Only support running one Docker VM at a time ...
 
-* Access network resources like normal applications
-  <br/>(and therefore, play better with enterprise VPNs and firewalls)
-
-* Support filesystem sharing through volumes (we'll talk about this later)
-
-* They only support running one Docker VM at a time ...
-  <br/>
   ... but we can use `docker-machine`, the Docker Toolbox, VirtualBox, etc. to get a cluster.
 
 ---
 
+class: extra-details
+
+## Docker Desktop internals
+
+* Leverages the host OS virtualization subsystem
+
+  (e.g. the [Hypervisor API](https://developer.apple.com/documentation/hypervisor) on macOS)
+
+* Under the hood, runs a tiny VM
+
+  (transparent to our daily use)
+
+* Accesses network resources like normal applications
+
+  (and therefore, plays better with enterprise VPNs and firewalls)
+
+* Supports filesystem sharing through volumes
+
+  (we'll talk about this later)
+
+---
+
 ## Running Docker on macOS and Windows
 
 When you execute `docker version` from the terminal:

slides/containers/Multi_Stage_Builds.md

@@ -311,3 +311,5 @@ virtually "free."
   (Instead of using multiple Dockerfiles, which could go out of sync)
 
 * Sometimes, we want to inspect a specific intermediary build stage.
+
+* Or, we want to describe multiple images using a single Dockerfile.

slides/containers/Pods_Anatomy.md

@@ -0,0 +1,47 @@
+# Container Super-structure
+
+- Multiple orchestration platforms support some kind of container super-structure.
+
+  (i.e., a construct or abstraction bigger than a single container.)
+
+- For instance, on Kubernetes, this super-structure is called a *pod*.
+
+- A pod is a group of containers (it could be a single container, too).
+
+- These containers run together, on the same host.
+
+  (A pod cannot straddle multiple hosts.)
+
+- All the containers in a pod have the same IP address.
+
+- How does that map to the Docker world?
+
+---
+
+class: pic
+
+## Anatomy of a Pod
+
+![Pods](images/kubernetes_pods.svg)
+
+---
+
+## Pods in Docker
+
+- The containers inside a pod share the same network namespace.
+
+  (Just like when using `docker run --net=container:<container_id>` with the CLI.)
+
+- As a result, they can communicate together over `localhost`.
+
+- In addition to "our" containers, the pod has a special container, the *sandbox*.
+
+- That container uses a special image: `k8s.gcr.io/pause`.
+
+  (This is visible when listing containers running on a Kubernetes node.)
+
+- Containers within a pod have independent filesystems.
+
+- They can share directories by using a mechanism called *volumes.*
+
+  (Which is similar to the concept of volumes in Docker.)

slides/containers/Publishing_To_Docker_Hub.md

@@ -100,3 +100,25 @@ class: extra-details
 * In "Build rules" block near page bottom, put `/www` in "Build Context" column (or whichever directory the Dockerfile is in).
 * Click "Save and Build" to build the repository immediately (without waiting for a git push).
 * Subsequent builds will happen automatically, thanks to GitHub hooks.
+
+---
+
+## Building on the fly
+
+- Some services can build images on the fly from a repository
+
+- Example: [ctr.run](https://ctr.run/)
+
+.exercise[
+
+- Use ctr.run to automatically build a container image and run it:
+  ```bash
+  docker run ctr.run/github.com/undefinedlabs/hello-world
+  ```
+
+]
+
+There might be a long pause before the first layer is pulled,
+because the API behind `docker pull` doesn't allow to stream build logs, and there is no feedback during the build.
+
+It is possible to view the build logs by setting up an account on [ctr.run](https://ctr.run/).

slides/containers/links.md

@@ -1 +0,0 @@
-../swarm/links.md

slides/containers/links.md

@@ -0,0 +1,12 @@
+# Links and resources
+
+- [Docker Community Slack](https://community.docker.com/registrations/groups/4316)
+- [Docker Community Forums](https://forums.docker.com/)
+- [Docker Hub](https://hub.docker.com)
+- [Docker Blog](https://blog.docker.com/)
+- [Docker documentation](https://docs.docker.com/)
+- [Docker on StackOverflow](https://stackoverflow.com/questions/tagged/docker)
+- [Docker on Twitter](https://twitter.com/docker)
+- [Play With Docker Hands-On Labs](https://training.play-with-docker.com/)
+
+.footnote[These slides (and future updates) are on → https://container.training/]

slides/images/kubectl-create-deployment-slideshow/03.svg

@@ -13,7 +13,7 @@
    viewBox="0 0 1600 900"
    version="1.1"
    id="svg696"
-   sodipodi:docname="how-k8s-works-3.svg"
+   sodipodi:docname="03.svg"
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@@ -561,17 +561,17 @@
            id="tspan3660"
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            y="379.74951"
            x="-215.28352"
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@@ -13,7 +13,7 @@
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    version="1.1"
    id="svg696"
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+   sodipodi:docname="04.svg"
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@@ -561,17 +561,17 @@
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            x="-215.28352"
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slides/index.py

@@ -1,5 +1,14 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python3
 # coding: utf-8
+
+FLAGS=dict(
+  cz=u"🇨🇿",
+  de=u"🇩🇪",
+  fr=u"🇫🇷",
+  uk=u"🇬🇧",
+  us=u"🇺🇸",
+)
+
 TEMPLATE="""<html>
 <head>
   <title>{{ title }}</title>
@@ -34,7 +43,7 @@ TEMPLATE="""<html>
 
         {% for item in coming_soon %}
           <tr>
-            <td>{{ item.title }}</td>
+            <td>{{ item.flag }} {{ item.title }}</td>
             <td>{% if item.slides %}<a class="slides" href="{{ item.slides }}" />{% endif %}</td>
             <td>{% if item.attend %}<a class="attend" href="{{ item.attend }}" />
             {% else %}
@@ -123,13 +132,13 @@ TEMPLATE="""<html>
     </table>
   </div>
 </body>
-</html>""".decode("utf-8")
+</html>"""
 
 import datetime
 import jinja2
 import yaml
 
-items = yaml.load(open("index.yaml"))
+items = yaml.safe_load(open("index.yaml"))
 
 # Items with a date correspond to scheduled sessions.
 # Items without a date correspond to self-paced content.
@@ -160,6 +169,7 @@ for item in items:
             item["prettydate"] = date_begin.strftime("%B %d{}, %Y").format(suffix)
         item["begin"] = date_begin
         item["end"] = date_end
+    item["flag"] = FLAGS.get(item.get("country"),"")
 
 today = datetime.date.today()
 coming_soon = [i for i in items if i.get("date") and i["end"] >= today]
@@ -177,10 +187,10 @@ with open("index.html", "w") as f:
     	past_workshops=past_workshops,
     	self_paced=self_paced,
     	recorded_workshops=recorded_workshops
-    	).encode("utf-8"))
+    	))
 
 with open("past.html", "w") as f:
 	f.write(template.render(
 		title="Container Training",
 		all_past_workshops=past_workshops
-		).encode("utf-8"))
+		))

slides/index.yaml

@@ -1,3 +1,71 @@
+- date: 2020-03-06
+  country: uk
+  city: London
+  event: QCON
+  speaker: jpetazzo
+  title: Kubernetes Intensive Course
+  attend: https://qconlondon.com/london2020/workshop/kubernetes-intro
+  slides: https://2020-03-qcon.container.training/
+
+- date: 2020-03-05
+  country: uk
+  city: London
+  event: QCON
+  speaker: jpetazzo
+  title: Docker Intensive Course
+  attend: https://qconlondon.com/london2020/workshop/docker-intensive-course
+  slides: https://2020-03-qcon.container.training/
+
+- date: 2020-02-03
+  country: fr
+  city: Paris
+  event: ENIX SAS
+  speaker: jpetazzo
+  title: Fondamentaux Conteneurs et Docker (in French)
+  lang: fr
+  attend: https://enix.io/fr/services/formation/
+  slides: https://2020-02-enix.container.training/
+
+- date: 2020-02-04
+  country: fr
+  city: Paris
+  event: ENIX SAS
+  speaker: jpetazzo
+  title: Fondamentaux Orchestration et Kubernetes (in French)
+  lang: fr
+  attend: https://enix.io/fr/services/formation/
+  slides: https://2020-02-enix.container.training/
+
+- date: 2020-02-05
+  country: fr
+  city: Paris
+  event: ENIX SAS
+  speaker: jpetazzo
+  title: Kubernetes et Méthodologies DevOps (in French)
+  lang: fr
+  attend: https://enix.io/fr/services/formation/
+  slides: https://2020-02-enix.container.training/
+
+- date: 2020-02-06
+  country: fr
+  city: Paris
+  event: ENIX SAS
+  speaker: jpetazzo
+  title: Kubernetes Avancé (in French)
+  lang: fr
+  attend: https://enix.io/fr/services/formation/
+  slides: https://2020-02-enix.container.training/
+
+- date: 2020-02-07
+  country: fr
+  city: Paris
+  event: ENIX SAS
+  speaker: jpetazzo
+  title: Opérer Kubernetes (in French)
+  lang: fr
+  attend: https://enix.io/fr/services/formation/
+  slides: https://2020-02-enix.container.training/
+
 - date: [2019-11-04, 2019-11-05]
   country: de
   city: Berlin

slides/intro-fullday.yml

@@ -2,12 +2,12 @@ title: |
   Introduction
   to Containers
 
-#chat: "[Slack](https://dockercommunity.slack.com/messages/C7GKACWDV)"
-chat: "[Gitter](https://gitter.im/enix/univ-caen-intro-docker)"
+chat: "[Slack](https://dockercommunity.slack.com/messages/C7GKACWDV)"
+#chat: "[Gitter](https://gitter.im/jpetazzo/workshop-yyyymmdd-city)"
 
 gitrepo: github.com/jpetazzo/container.training
 
-slides: http://intro-2019-12-container.training/
+slides: http://container.training/
 
 #slidenumberprefix: "#SomeHashTag — "
 
@@ -19,14 +19,20 @@ chapters:
 - logistics.md
 - containers/intro.md
 - shared/about-slides.md
+- shared/chat-room-im.md
+#- shared/chat-room-zoom.md
 - shared/toc.md
 -
-  - containers/Docker_Overview.md
+  #- containers/Docker_Overview.md
   #- containers/Docker_History.md
   - containers/Training_Environment.md
-  - containers/Installing_Docker.md
+  #- containers/Installing_Docker.md
   - containers/First_Containers.md
   - containers/Background_Containers.md
+  #- containers/Start_And_Attach.md
+  - containers/Naming_And_Inspecting.md
+  #- containers/Labels.md
+  - containers/Getting_Inside.md
   - containers/Initial_Images.md
 -
   - containers/Building_Images_Interactively.md
@@ -35,44 +41,29 @@ chapters:
   - containers/Copying_Files_During_Build.md
   - containers/Exercise_Dockerfile_Basic.md
 -
-  - containers/Dockerfile_Tips.md
-  - containers/Multi_Stage_Builds.md
-  - containers/Publishing_To_Docker_Hub.md
-  - containers/Exercise_Dockerfile_Advanced.md
--
-  - containers/Naming_And_Inspecting.md
-  - containers/Labels.md
-  - containers/Start_And_Attach.md
-  - containers/Getting_Inside.md
-  - containers/Resource_Limits.md
-- # Day 2
   - containers/Container_Networking_Basics.md
-  - containers/Network_Drivers.md
-  - containers/Container_Network_Model.md
-  #- containers/Connecting_Containers_With_Links.md
--
+  #- containers/Network_Drivers.md
+  #- containers/Container_Network_Model.md
   - containers/Local_Development_Workflow.md
-  #- containers/Windows_Containers.md
-  - containers/Working_With_Volumes.md
   - containers/Compose_For_Dev_Stacks.md
   - containers/Exercise_Composefile.md
 -
-#  - containers/Docker_Machine.md
-  - containers/Ambassadors.md
-  - containers/Advanced_Dockerfiles.md
-  - containers/Init_systems.md
-  - containers/Application_Configuration.md
-  - containers/Logging.md
--
-  - containers/Container_Engines.md
-  - k8s/Pods_anatomy.md
+  - containers/Multi_Stage_Builds.md
+  #- containers/Publishing_To_Docker_Hub.md
+  - containers/Dockerfile_Tips.md
+  - containers/Exercise_Dockerfile_Advanced.md
+  #- containers/Docker_Machine.md
+  #- containers/Advanced_Dockerfiles.md
+  #- containers/Init_Systems.md
+  #- containers/Application_Configuration.md
+  #- containers/Logging.md
+  #- containers/Namespaces_Cgroups.md
+  #- containers/Copy_On_Write.md
+  #- containers/Containers_From_Scratch.md
+  #- containers/Container_Engines.md
+  #- containers/Pods_Anatomy.md
   #- containers/Ecosystem.md
-  - containers/Orchestration_Overview.md
+  #- containers/Orchestration_Overview.md
+-
   - shared/thankyou.md
   - containers/links.md
--
-  - |
-    # Appendix
-  - containers/Namespaces_Cgroups.md
-  - containers/Copy_On_Write.md
-  #- containers/Containers_From_Scratch.md

slides/intro-selfpaced.yml

@@ -19,6 +19,8 @@ chapters:
 # - shared/logistics.md
 - containers/intro.md
 - shared/about-slides.md
+#- shared/chat-room-im.md
+#- shared/chat-room-zoom.md
 - shared/toc.md
 - - containers/Docker_Overview.md
   - containers/Docker_History.md
@@ -52,6 +54,7 @@ chapters:
   - containers/Exercise_Composefile.md
   - containers/Docker_Machine.md
 - - containers/Advanced_Dockerfiles.md
+  - containers/Init_Systems.md
   - containers/Application_Configuration.md
   - containers/Logging.md
   - containers/Resource_Limits.md
@@ -59,6 +62,7 @@ chapters:
   - containers/Copy_On_Write.md
   #- containers/Containers_From_Scratch.md
 - - containers/Container_Engines.md
+  - containers/Pods_Anatomy.md
   - containers/Ecosystem.md
   - containers/Orchestration_Overview.md
   - shared/thankyou.md

slides/intro-twodays.yml

@@ -0,0 +1,77 @@
+title: |
+  Introduction
+  to Containers
+
+chat: "[Slack](https://dockercommunity.slack.com/messages/C7GKACWDV)"
+#chat: "[Gitter](https://gitter.im/jpetazzo/workshop-yyyymmdd-city)"
+
+gitrepo: github.com/jpetazzo/container.training
+
+slides: http://container.training/
+
+#slidenumberprefix: "#SomeHashTag — "
+
+exclude:
+- self-paced
+
+chapters:
+- shared/title.md
+- logistics.md
+- containers/intro.md
+- shared/about-slides.md
+- shared/chat-room-im.md
+#- shared/chat-room-zoom.md
+- shared/toc.md
+- # DAY 1
+  - containers/Docker_Overview.md
+  #- containers/Docker_History.md
+  - containers/Training_Environment.md
+  - containers/First_Containers.md
+  - containers/Background_Containers.md
+  - containers/Initial_Images.md
+-
+  - containers/Building_Images_Interactively.md
+  - containers/Building_Images_With_Dockerfiles.md
+  - containers/Cmd_And_Entrypoint.md
+  - containers/Copying_Files_During_Build.md
+  - containers/Exercise_Dockerfile_Basic.md
+-
+  - containers/Dockerfile_Tips.md
+  - containers/Multi_Stage_Builds.md
+  - containers/Publishing_To_Docker_Hub.md
+  - containers/Exercise_Dockerfile_Advanced.md
+-
+  - containers/Naming_And_Inspecting.md
+  - containers/Labels.md
+  - containers/Start_And_Attach.md
+  - containers/Getting_Inside.md
+  - containers/Resource_Limits.md
+- # DAY 2
+  - containers/Container_Networking_Basics.md
+  - containers/Network_Drivers.md
+  - containers/Container_Network_Model.md
+-
+  - containers/Local_Development_Workflow.md
+  - containers/Working_With_Volumes.md
+  - containers/Compose_For_Dev_Stacks.md
+  - containers/Exercise_Composefile.md
+-
+  - containers/Installing_Docker.md
+  - containers/Container_Engines.md
+  - containers/Init_Systems.md
+  - containers/Advanced_Dockerfiles.md
+-
+  - containers/Application_Configuration.md
+  - containers/Logging.md
+  - containers/Orchestration_Overview.md
+-
+  - shared/thankyou.md
+  - containers/links.md
+#-
+  #- containers/Docker_Machine.md
+  #- containers/Ambassadors.md
+  #- containers/Namespaces_Cgroups.md
+  #- containers/Copy_On_Write.md
+  #- containers/Containers_From_Scratch.md
+  #- containers/Pods_Anatomy.md
+  #- containers/Ecosystem.md

slides/k8s/Pods_anatomy.md

@@ -1,27 +0,0 @@
-# container super-structure (Pods)
-
-A container super-structure supported by many container engine seems to emerge,
-we will see how it maps in the docker worlds
-
-
-
----
-class: pic
-
-## Pod
-
-![Pods](images/kubernetes_pods.svg)
----
-# Anatomy of a Pod
-
-- The containers inside a pod share the network namespace (`--net=container:<container_id>`)
-
-   => the one of the "pause" containers
-
-- This means that if the container "pause" is killed all other container are killed
-
-- This is the reason for this container to do nothing but being alive
-
-- Containers can contact other container port via `localhost`
-
-- Containers don't share filesystem except the volumes you want to mount on each of them

slides/k8s/accessinternal.md

@@ -118,9 +118,9 @@ installed and set up `kubectl` to communicate with your cluster.
 <!--
 ```wait Connected to localhost```
 ```keys INFO server```
-```keys ^J```
+```key ^J```
 ```keys QUIT```
-```keys ^J```
+```key ^J```
 -->
 
 - Terminate the port forwarder:

slides/k8s/architecture.md

@@ -20,7 +20,7 @@ The control plane can run:
 
 - in containers, on the same nodes that run other application workloads
 
-  (example: Minikube; 1 node runs everything)
+  (example: [Minikube](https://github.com/kubernetes/minikube); 1 node runs everything, [kind](https://kind.sigs.k8s.io/))
 
 - on a dedicated node
 
@@ -28,7 +28,7 @@ The control plane can run:
 
 - on a dedicated set of nodes
 
-  (example: Kubernetes The Hard Way; kops)
+  (example: [Kubernetes The Hard Way](https://github.com/kelseyhightower/kubernetes-the-hard-way); [kops](https://github.com/kubernetes/kops))
 
 - outside of the cluster
 
@@ -352,7 +352,7 @@ We demonstrated *update* and *watch* semantics.
 
 - That's where the actual logic of Kubernetes lives
 
-- When we create a Deployment (e.g. with `kubectl run web --image=nginx`),
+- When we create a Deployment (e.g. with `kubectl create deployment web --image=nginx`),
 
   - we create a Deployment object
 

slides/k8s/authn-authz.md

@@ -547,7 +547,7 @@ It's important to note a couple of details in these flags...
 
 - Exit the container with `exit` or `^D`
 
-<!-- ```keys ^D``` -->
+<!-- ```key ^D``` -->
 
 ]
 

slides/k8s/build-with-docker.md

@@ -109,7 +109,7 @@ spec:
 
 <!--
 ```longwait latest: digest: sha256:```
-```keys ^C```
+```key ^C```
 -->
 
 ]

slides/k8s/build-with-kaniko.md

@@ -174,7 +174,7 @@ spec:
 
 <!--
 ```longwait registry:5000/rng-kaniko:latest:```
-```keys ^C```
+```key ^C```
 -->
 
 ]

slides/k8s/cluster-backup.md

@@ -360,3 +360,7 @@ docker run --rm --net host -v $PWD:/vol \
 - [kube-backup](https://github.com/pieterlange/kube-backup)
 
   simple scripts to save resource YAML to a git repository
+  
+- [bivac](https://github.com/camptocamp/bivac) 
+
+  Backup Interface for Volumes Attached to Containers 

slides/k8s/cluster-sizing.md

@@ -154,7 +154,7 @@ class: extra-details
 
 - "Running Kubernetes without nodes"
 
-- Systems like [Virtual Kubelet](https://virtual-kubelet.io/) or Kiyot can run pods using on-demand resources
+- Systems like [Virtual Kubelet](https://virtual-kubelet.io/) or [Kiyot](https://static.elotl.co/docs/latest/kiyot/kiyot.html) can run pods using on-demand resources
 
   - Virtual Kubelet can leverage e.g. ACI or Fargate to run pods
 

slides/k8s/cluster-upgrade.md

@@ -81,7 +81,7 @@
 
 ## What version are we running anyway?
 
-- When I say, "I'm running Kubernetes 1.11", is that the version of:
+- When I say, "I'm running Kubernetes 1.15", is that the version of:
 
   - kubectl
 
@@ -139,6 +139,73 @@
 
 ---
 
+## Important questions
+
+- Should we upgrade the control plane before or after the kubelets?
+
+- Within the control plane, should we upgrade the API server first or last?
+
+- How often should we upgrade?
+
+- How long are versions maintained?
+
+- All the answers are in [the documentation about version skew policy](https://kubernetes.io/docs/setup/release/version-skew-policy/)!
+
+- Let's review the key elements together ...
+
+---
+
+## Kubernetes uses semantic versioning
+
+- Kubernetes versions look like MAJOR.MINOR.PATCH; e.g. in 1.17.2:
+
+  - MAJOR = 1
+  - MINOR = 17
+  - PATCH = 2
+
+- It's always possible to mix and match different PATCH releases
+
+  (e.g. 1.16.1 and 1.16.6 are compatible)
+
+- It is recommended to run the latest PATCH release
+
+  (but it's mandatory only when there is a security advisory)
+
+---
+
+## Version skew
+
+- API server must be more recent than its clients (kubelet and control plane)
+
+- ... Which means it must always be upgraded first
+
+- All components support a difference of one¹ MINOR version
+
+- This allows live upgrades (since we can mix e.g. 1.15 and 1.16)
+
+- It also means that going from 1.14 to 1.16 requires going through 1.15
+
+.footnote[¹Except kubelet, which can be up to two MINOR behind API server,
+and kubectl, which can be one MINOR ahead or behind API server.]
+
+---
+
+## Release cycle
+
+- There is a new PATCH relese whenever necessary
+
+  (every few weeks, or "ASAP" when there is a security vulnerability)
+
+- There is a new MINOR release every 3 months (approximately)
+
+- At any given time, three MINOR releases are maintained
+
+- ... Which means that MINOR releases are maintained approximately 9 months
+
+- We should expect to upgrade at least every 3 months (on average)
+
+---
+
 ## In practice
 
 - We are going to update a few cluster components
@@ -151,47 +218,6 @@
 
 ---
 
-## Updating kubelet
-
-- These nodes have been installed using the official Kubernetes packages
-
-- We can therefore use `apt` or `apt-get`
-
-.exercise[
-
-- Log into node `test3`
-
-- View available versions for package `kubelet`:
-  ```bash
-  apt show kubelet -a | grep ^Version
-  ```
-
-- Upgrade kubelet:
-  ```bash
-  sudo apt install kubelet=1.15.3-00
-  ```
-
-]
-
----
-
-## Checking what we've done
-
-.exercise[
-
-- Log into node `test1`
-
-- Check node versions:
-  ```bash
-  kubectl get nodes -o wide
-  ```
-
-- Create a deployment and scale it to make sure that the node still works
-
-]
-
----
-
 ## Updating the API server
 
 - This cluster has been deployed with kubeadm
@@ -228,7 +254,7 @@
   sudo vim /etc/kubernetes/manifests/kube-apiserver.yaml
   ```
 
-- Look for the `image:` line, and update it to e.g. `v1.15.0`
+- Look for the `image:` line, and update it to e.g. `v1.16.0`
 
 ]
 
@@ -249,9 +275,27 @@
 
 ---
 
+## Was that a good idea?
+
+--
+
+**No!**
+
+--
+
+- Remember the guideline we gave earlier:
+
+  *To update a component, use whatever was used to install it.*
+
+- This control plane was deployed with kubeadm
+
+- We should use kubeadm to upgrade it!
+
+---
+
 ## Updating the whole control plane
 
-- As an example, we'll use kubeadm to upgrade the entire control plane
+- Let's make it right, and use kubeadm to upgrade the entire control plane
 
   (note: this is possible only because the cluster was installed with kubeadm)
 
@@ -264,11 +308,11 @@
 
 ]
 
-Note 1: kubeadm thinks that our cluster is running 1.15.0.
+Note 1: kubeadm thinks that our cluster is running 1.16.0.
 <br/>It is confused by our manual upgrade of the API server!
 
-Note 2: kubeadm itself is still version 1.14.6.
-<br/>It doesn't know how to upgrade do 1.15.X.
+Note 2: kubeadm itself is still version 1.15.9.
+<br/>It doesn't know how to upgrade do 1.16.X.
 
 ---
 
@@ -290,8 +334,39 @@ Note 2: kubeadm itself is still version 1.14.6.
 
 ]
 
-Note: kubeadm still thinks that our cluster is running 1.15.0.
-<br/>But at least it knows about version 1.15.X now.
+Problem: kubeadm doesn't know know how to handle
+upgrades from version 1.15.
+
+This is because we installed version 1.17 (or even later).
+
+We need to install kubeadm version 1.16.X.
+
+---
+
+## Downgrading kubeadm
+
+- We need to go back to version 1.16.X (e.g. 1.16.6)
+
+.exercise[
+
+- View available versions for package `kubeadm`:
+  ```bash
+  apt show kubeadm -a | grep ^Version | grep 1.16
+  ```
+
+- Downgrade kubeadm:
+  ```
+  sudo apt install kubeadm=1.16.6-00
+  ```
+
+- Check what kubeadm tells us:
+  ```
+  sudo kubeadm upgrade plan
+  ```
+
+]
+
+kubeadm should now agree to upgrade to 1.16.6.
 
 ---
 
@@ -307,28 +382,91 @@ Note: kubeadm still thinks that our cluster is running 1.15.0.
 
 - Perform the upgrade:
   ```bash
-  sudo kubeadm upgrade apply v1.15.3
+  sudo kubeadm upgrade apply v1.16.6
   ```
 
 ]
 
 ---
 
-## Updating kubelets
+## Updating kubelet
 
-- After updating the control plane, we need to update each kubelet
+- These nodes have been installed using the official Kubernetes packages
 
-- This requires to run a special command on each node, to download the config
+- We can therefore use `apt` or `apt-get`
 
-  (this config is generated by kubeadm)
+.exercise[
+
+- Log into node `test3`
+
+- View available versions for package `kubelet`:
+  ```bash
+  apt show kubelet -a | grep ^Version
+  ```
+
+- Upgrade kubelet:
+  ```bash
+  sudo apt install kubelet=1.16.6-00
+  ```
+
+]
+
+---
+
+## Checking what we've done
+
+.exercise[
+
+- Log into node `test1`
+
+- Check node versions:
+  ```bash
+  kubectl get nodes -o wide
+  ```
+
+- Create a deployment and scale it to make sure that the node still works
+
+]
+
+---
+
+## Was that a good idea?
+
+--
+
+**Almost!**
+
+--
+
+- Yes, kubelet was installed with distribution packages
+
+- However, kubeadm took care of configuring kubelet
+
+  (when doing `kubeadm join ...`)
+
+- We were supposed to run a special command *before* upgrading kubelet!
+
+- That command should be executed on each node
+
+- It will download the kubelet configuration generated by kubeadm
+
+---
+
+## Upgrading kubelet the right way
+
+- We need to upgrade kubeadm, upgrade kubelet config, then upgrade kubelet
+
+  (after upgrading the control plane)
 
 .exercise[
 
 - Download the configuration on each node, and upgrade kubelet:
   ```bash
     for N in 1 2 3; do
-      ssh test$N sudo kubeadm upgrade node config --kubelet-version v1.15.3
-      ssh test$N sudo apt install kubelet=1.15.3-00
+      ssh test$N "
+        sudo apt install kubeadm=1.16.6-00 &&
+        sudo kubeadm upgrade node &&
+        sudo apt install kubelet=1.16.6-00"
     done
   ```
 ]
@@ -337,7 +475,7 @@ Note: kubeadm still thinks that our cluster is running 1.15.0.
 
 ## Checking what we've done
 
-- All our nodes should now be updated to version 1.15.3
+- All our nodes should now be updated to version 1.16.6
 
 .exercise[
 
@@ -354,12 +492,12 @@ class: extra-details
 
 ## Skipping versions
 
-- This example worked because we went from 1.14 to 1.15
+- This example worked because we went from 1.15 to 1.16
 
-- If you are upgrading from e.g. 1.13, you will generally have to go through 1.14 first
+- If you are upgrading from e.g. 1.14, you will have to go through 1.15 first
 
-- This means upgrading kubeadm to 1.14.X, then using it to upgrade the cluster
+- This means upgrading kubeadm to 1.15.X, then using it to upgrade the cluster
 
-- Then upgrading kubeadm to 1.15.X, etc.
+- Then upgrading kubeadm to 1.16.X, etc.
 
 - **Make sure to read the release notes before upgrading!**

slides/k8s/cni.md

@@ -162,6 +162,8 @@ class: extra-details
 
 ---
 
+class: extra-details
+
 ## What's BGP?
 
 - BGP (Border Gateway Protocol) is the protocol used between internet routers
@@ -220,6 +222,22 @@ class: extra-details
 
 ---
 
+class: extra-details
+
+## Checking the CNI configuration
+
+- By default, kubelet gets the CNI configuration from `/etc/cni/net.d`
+
+.exercise[
+
+- Check the content of `/etc/cni/net.d`
+
+]
+
+(On most machines, at this point, `/etc/cni/net.d` doesn't even exist).)
+
+---
+
 ## Our control plane
 
 - We will use a Compose file to start the control plane
@@ -358,6 +376,26 @@ Note: the DaemonSet won't create any pods (yet) since there are no nodes (yet).
 
 ---
 
+class: extra-details
+
+## Checking the CNI configuration
+
+- At this point, kuberouter should have installed its CNI configuration
+
+  (in `/etc/cni/net.d`)
+
+.exercise[
+
+- Check the content of `/etc/cni/net.d`
+
+]
+
+- There should be a file created by kuberouter
+
+- The file should contain the node's podCIDR
+
+---
+
 ## Setting up a test
 
 - Let's create a Deployment and expose it with a Service
@@ -405,6 +443,8 @@ This shows that we are using IPVS (vs. iptables, which picked random endpoints).
 
 ---
 
+class: extra-details
+
 ## Troubleshooting
 
 - What if we need to check that everything is working properly?
@@ -428,6 +468,8 @@ We should see the local pod CIDR connected to `kube-bridge`, and the other nodes
 
 ---
 
+class: extra-details
+
 ## More troubleshooting
 
 - We can also look at the output of the kube-router pods
@@ -444,6 +486,8 @@ We should see the local pod CIDR connected to `kube-bridge`, and the other nodes
 
 ---
 
+class: extra-details
+
 ## Trying `kubectl logs` / `kubectl exec`
 
 .exercise[
@@ -469,6 +513,8 @@ What does that mean?
 
 ---
 
+class: extra-details
+
 ## Internal name resolution
 
 - To execute these commands, the API server needs to connect to kubelet
@@ -485,6 +531,8 @@ What does that mean?
 
 ---
 
+class: extra-details
+
 ## Another way to check the logs
 
 - We can also ask the logs directly to the container engine
@@ -526,163 +574,3 @@ done
 - This could be useful for embedded platforms with very limited resources
 
   (or lab environments for learning purposes)
-
----
-
-# Interconnecting clusters
-
-- We assigned different Cluster CIDRs to each cluster
-
-- This allows us to connect our clusters together
-
-- We will leverage kube-router BGP abilities for that
-
-- We will *peer* each kube-router instance with a *route reflector*
-
-- As a result, we will be able to ping each other's pods
-
----
-
-## Disclaimers
-
-- There are many methods to interconnect clusters
-
-- Depending on your network implementation, you will use different methods
-
-- The method shown here only works for nodes with direct layer 2 connection
-
-- We will often need to use tunnels or other network techniques
-
----
-
-## The plan
-
-- Someone will start the *route reflector*
-
-  (typically, that will be the person presenting these slides!)
-
-- We will update our kube-router configuration
-
-- We will add a *peering* with the route reflector
-
-  (instructing kube-router to connect to it and exchange route information)
-
-- We should see the routes to other clusters on our nodes
-
-  (in the output of e.g. `route -n` or `ip route show`)
-
-- We should be able to ping pods of other nodes
-
----
-
-## Starting the route reflector
-
-- Only do this slide if you are doing this on your own
-
-- There is a Compose file in the `compose/frr-route-reflector` directory
-
-- Before continuing, make sure that you have the IP address of the route reflector
-
----
-
-## Configuring kube-router
-
-- This can be done in two ways:
-
-  - with command-line flags to the `kube-router` process
-
-  - with annotations to Node objects
-
-- We will use the command-line flags
-
-  (because it will automatically propagate to all nodes)
-
-.footnote[Note: with Calico, this is achieved by creating a BGPPeer CRD.]
-
----
-
-## Updating kube-router configuration
-
-- We need to pass two command-line flags to the kube-router process
-
-.exercise[
-
-- Edit the `kuberouter.yaml` file
-
-- Add the following flags to the kube-router arguments:
-  ```
-  - "--peer-router-ips=`X.X.X.X`"
-  - "--peer-router-asns=64512"
-  ```
-  (Replace `X.X.X.X` with the route reflector address)
-
-- Update the DaemonSet definition:
-  ```bash
-  kubectl apply -f kuberouter.yaml
-  ```
-
-]
-
----
-
-## Restarting kube-router
-
-- The DaemonSet will not update the pods automatically
-
-  (it is using the default `updateStrategy`, which is `OnDelete`)
-
-- We will therefore delete the pods
-
-  (they will be recreated with the updated definition)
-
-.exercise[
-
-- Delete all the kube-router pods:
-  ```bash
-  kubectl delete pods -n kube-system -l k8s-app=kube-router
-  ```
-
-]
-
-Note: the other `updateStrategy` for a DaemonSet is RollingUpdate.
-<br/>
-For critical services, we might want to precisely control the update process.
-
----
-
-## Checking peering status
-
-- We can see informative messages in the output of kube-router:
-  ```
-  time="2019-04-07T15:53:56Z" level=info msg="Peer Up"
-  Key=X.X.X.X State=BGP_FSM_OPENCONFIRM Topic=Peer
-  ```
-
-- We should see the routes of the other clusters show up
-
-- For debugging purposes, the reflector also exports a route to 1.0.0.2/32
-
-- That route will show up like this:
-  ```
-  1.0.0.2     172.31.X.Y    255.255.255.255 UGH   0      0        0 eth0
-  ```
-
-- We should be able to ping the pods of other clusters!
-
----
-
-## If we wanted to do more ...
-
-- kube-router can also export ClusterIP addresses
-
-  (by adding the flag `--advertise-cluster-ip`)
-
-- They are exported individually (as /32)
-
-- This would allow us to easily access other clusters' services
-
-  (without having to resolve the individual addresses of pods)
-
-- Even better if it's combined with DNS integration
-
-  (to facilitate name → ClusterIP resolution)

slides/k8s/concepts-k8s.md

@@ -10,6 +10,29 @@
 
 ---
 
+## What can we do with Kubernetes?
+
+- Let's imagine that we have a 3-tier e-commerce app:
+
+  - web frontend
+
+  - API backend
+
+  - database (that we will keep out of Kubernetes for now)
+
+- We have built images for our frontend and backend components
+
+  (e.g. with Dockerfiles and `docker build`)
+
+- We are running them successfully with a local environment
+
+  (e.g. with Docker Compose)
+
+- Let's see how we would deploy our app on Kubernetes!
+
+---
+
+
 ## Basic things we can ask Kubernetes to do
 
 --
@@ -48,7 +71,7 @@
 
   (straightforward on CPU; more complex on other metrics)
 
-- Ressource management and scheduling
+- Resource management and scheduling
 
   (reserve CPU/RAM for containers; placement constraints)
 
@@ -199,6 +222,30 @@ class: extra-details
 
 class: extra-details
 
+## How many nodes should a cluster have?
+
+- There is no particular constraint
+
+  (no need to have an odd number of nodes for quorum)
+
+- A cluster can have zero node
+
+  (but then it won't be able to start any pods)
+
+- For testing and development, having a single node is fine
+
+- For production, make sure that you have extra capacity
+
+  (so that your workload still fits if you lose a node or a group of nodes)
+
+- Kubernetes is tested with [up to 5000 nodes](https://kubernetes.io/docs/setup/best-practices/cluster-large/)
+
+  (however, running a cluster of that size requires a lot of tuning)
+
+---
+
+class: extra-details
+
 ## Do we need to run Docker at all?
 
 No!

slides/k8s/create-chart.md

@@ -1,114 +0,0 @@
-## Creating a chart
-
-- We are going to show a way to create a *very simplified* chart
-
-- In a real chart, *lots of things* would be templatized
-
-  (Resource names, service types, number of replicas...)
-
-.exercise[
-
-- Create a sample chart:
-  ```bash
-  helm create dockercoins
-  ```
-
-- Move away the sample templates and create an empty template directory:
-  ```bash
-  mv dockercoins/templates dockercoins/default-templates
-  mkdir dockercoins/templates
-  ```
-
-]
-
----
-
-## Exporting the YAML for our application
-
-- The following section assumes that DockerCoins is currently running
-
-.exercise[
-
-- Create one YAML file for each resource that we need:
-  .small[
-  ```bash
-
-	while read kind name; do
-	  kubectl get -o yaml $kind $name > dockercoins/templates/$name-$kind.yaml
-	done <<EOF
-	deployment worker
-	deployment hasher
-	daemonset rng
-	deployment webui
-	deployment redis
-	service hasher
-	service rng
-	service webui
-	service redis
-	EOF
-  ```
-  ]
-
-]
-
----
-
-## Testing our helm chart
-
-.exercise[
-
-- Let's install our helm chart! (`dockercoins` is the path to the chart)
-  ```
-  helm install dockercoins
-  ```
-]
-
---
-
-- Since the application is already deployed, this will fail:<br>
-`Error: release loitering-otter failed: services "hasher" already exists`
-
-- To avoid naming conflicts, we will deploy the application in another *namespace*
-
----
-
-## Switching to another namespace
-
-- We can create a new namespace and switch to it
-
-  (Helm will automatically use the namespace specified in our context)
-
-- We can also tell Helm which namespace to use
-
-.exercise[
-
-- Tell Helm to use a specific namespace:
-  ```bash
-  helm install dockercoins --namespace=magenta
-  ```
-
-]
-
----
-
-## Checking our new copy of DockerCoins
-
-- We can check the worker logs, or the web UI
-
-.exercise[
-
-- Retrieve the NodePort number of the web UI:
-  ```bash
-  kubectl get service webui --namespace=magenta
-  ```
-
-- Open it in a web browser
-
-- Look at the worker logs:
-  ```bash
-  kubectl logs deploy/worker --tail=10 --follow --namespace=magenta
-  ```
-
-]
-
-Note: it might take a minute or two for the worker to start.

slides/k8s/create-more-charts.md

@@ -1,367 +0,0 @@
-# Creating Helm charts
-
-- We are going to create a generic Helm chart
-
-- We will use that Helm chart to deploy DockerCoins
-
-- Each component of DockerCoins will have its own *release*
-
-- In other words, we will "install" that Helm chart multiple times
-
-  (one time per component of DockerCoins)
-
----
-
-## Creating a generic chart
-
-- Rather than starting from scratch, we will use `helm create`
-
-- This will give us a basic chart that we will customize
-
-.exercise[
-
-- Create a basic chart:
-  ```bash
-  cd ~
-  helm create helmcoins
-  ```
-
-]
-
-This creates a basic chart in the directory `helmcoins`.
-
----
-
-## What's in the basic chart?
-
-- The basic chart will create a Deployment and a Service
-
-- Optionally, it will also include an Ingress
-
-- If we don't pass any values, it will deploy the `nginx` image
-
-- We can override many things in that chart
-
-- Let's try to deploy DockerCoins components with that chart!
-
----
-
-## Writing `values.yaml` for our components
-
-- We need to write one `values.yaml` file for each component
-
-  (hasher, redis, rng, webui, worker)
-
-- We will start with the `values.yaml` of the chart, and remove what we don't need
-
-- We will create 5 files:
-
-  hasher.yaml, redis.yaml, rng.yaml, webui.yaml, worker.yaml
-
----
-
-## Getting started
-
-- For component X, we want to use the image dockercoins/X:v0.1
-
-  (for instance, for rng, we want to use the image dockercoins/rng:v0.1)
-
-- Exception: for redis, we want to use the official image redis:latest
-
-.exercise[
-
-- Write minimal YAML files for the 5 components, specifying only the image
-
-]
-
---
-
-*Hint: our YAML files should look like this.*
-
-```yaml
-### rng.yaml
-image:
-  repository: dockercoins/`rng`
-  tag: v0.1
-```
-
----
-
-## Deploying DockerCoins components
-
-- For convenience, let's work in a separate namespace
-
-.exercise[
-
-- Create a new namespace:
-  ```bash
-  kubectl create namespace helmcoins
-  ```
-
-- Switch to that namespace:
-  ```bash
-  kns helmcoins
-  ```
-
-]
-
----
-
-## Deploying the chart
-
-- To install a chart, we can use the following command:
-  ```bash
-  helm install [--name `X`] <chart>
-  ```
-
-- We can also use the following command, which is idempotent:
-  ```bash
-  helm upgrade --install `X` chart
-  ```
-
-.exercise[
-
-- Install the 5 components of DockerCoins:
-  ```bash
-    for COMPONENT in hasher redis rng webui worker; do
-      helm upgrade --install $COMPONENT helmcoins/ --values=$COMPONENT.yaml
-    done
-  ```
-
-]
-
----
-
-## Checking what we've done
-
-- Let's see if DockerCoins is working!
-
-.exercise[
-
-- Check the logs of the worker:
-  ```bash
-  stern worker
-  ```
-
-- Look at the resources that were created:
-  ```bash
-  kubectl get all
-  ```
-
-]
-
-There are *many* issues to fix!
-
----
-
-## Service names
-
-- Our services should be named `rng`, `hasher`, etc., but they are named differently
-
-- Look at the YAML template used for the services
-
-- Does it look like we can override the name of the services?
-
---
-
-- *Yes*, we can use `.Values.nameOverride`
-
-- This means setting `nameOverride` in the values YAML file
-
----
-
-## Setting service names
-
-- Let's add `nameOverride: X` in each values YAML file!
-
-  (where X is hasher, redis, rng, etc.)
-
-.exercise[
-
-- Edit the 5 YAML files to add `nameOverride: X`
-
-- Deploy the updated Chart:
-  ```bash
-    for COMPONENT in hasher redis rng webui worker; do
-      helm upgrade --install $COMPONENT helmcoins/ --values=$COMPONENT.yaml
-    done
-  ```
-  (Yes, this is exactly the same command as before!)
-
-]
-
----
-
-## Checking what we've done
-
-.exercise[
-
-- Check the service names:
-  ```bash
-  kubectl get services
-  ```
-  Great! (We have a useless service for `worker`, but let's ignore it for now.)
-
-- Check the state of the pods:
-  ```bash
-  kubectl get pods
-  ```
-  Not so great... Some pods are *not ready.*
-
-]
-
----
-
-## Troubleshooting pods
-
-- The easiest way to troubleshoot pods is to look at *events*
-
-- We can look at all the events on the cluster (with `kubectl get events`)
-
-- Or we can use `kubectl describe` on the objects that have problems
-
-  (`kubectl describe` will retrieve the events related to the object)
-
-.exercise[
-
-- Check the events for the redis pods:
-  ```bash
-  kubectl describe pod -l app.kubernetes.io/name=redis
-  ```
-
-]
-
-What's going on?
-
----
-
-## Healthchecks
-
-- The default chart defines healthchecks doing HTTP requests on port 80
-
-- That won't work for redis and worker
-
-  (redis is not HTTP, and not on port 80; worker doesn't even listen)
-
---
-
-- We could comment out the healthchecks
-
-- We could also make them conditional
-
-- This sounds more interesting, let's do that!
-
----
-
-## Conditionals
-
-- We need to enclose the healthcheck block with:
-
-  `{{ if CONDITION }}` at the beginning
-
-  `{{ end }}` at the end
-
-- For the condition, we will use `.Values.healthcheck`
-
----
-
-## Updating the deployment template
-
-.exercise[
-
-- Edit `helmcoins/templates/deployment.yaml`
-
-- Before the healthchecks section (it starts with `livenessProbe:`), add:
-
-  `{{ if .Values.healthcheck }}`
-
-- After the healthchecks section (just before `resources:`), add:
-
-  `{{ end }}`
-
-- Edit `hasher.yaml`, `rng.yaml`, `webui.yaml` to add:
-
-  `healthcheck: true`
-
-]
-
----
-
-## Update the deployed charts
-
-- We can now apply the new templates (and the new values)
-
-.exercise[
-
-- Use the same command as earlier to upgrade all five components
-
-- Use `kubectl describe` to confirm that `redis` starts correctly
-
-- Use `kubectl describe` to confirm that `hasher` still has healthchecks
-
-]
-
----
-
-## Is it working now?
-
-- If we look at the worker logs, it appears that the worker is still stuck
-
-- What could be happening?
-
---
-
-- The redis service is not on port 80!
-
-- We need to update the port number in redis.yaml
-
-- We also need to update the port number in deployment.yaml
-
-  (it is hard-coded to 80 there)
-
----
-
-## Setting the redis port
-
-.exercise[
-
-- Edit `redis.yaml` to add:
-  ```yaml
-    service:
-      port: 6379
-  ```
-
-- Edit `helmcoins/templates/deployment.yaml`
-
-- The line with `containerPort` should be:
-  ```yaml
-  containerPort: {{ .Values.service.port }}
-  ```
-
-]
-
----
-
-## Apply changes
-
-- Re-run the for loop to execute `helm upgrade` one more time
-
-- Check the worker logs
-
-- This time, it should be working!
-
----
-
-## Extra steps
-
-- We don't need to create a service for the worker
-
-- We can put the whole service block in a conditional
-
-  (this will require additional changes in other files referencing the service)
-
-- We can set the webui to be a NodePort service
-
-- We can change the number of workers with `replicaCount`
-
-- And much more!

slides/k8s/daemonset.md

@@ -52,7 +52,7 @@
 
 <!-- ##VERSION## -->
 
-- Unfortunately, as of Kubernetes 1.15, the CLI cannot create daemon sets
+- Unfortunately, as of Kubernetes 1.17, the CLI cannot create daemon sets
 
 --
 
@@ -110,20 +110,22 @@
 ```bash vim rng.yml```
 ```wait kind: Deployment```
 ```keys /Deployment```
-```keys ^J```
+```key ^J```
 ```keys cwDaemonSet```
-```keys ^[``` ]
+```key ^[``` ]
 ```keys :wq```
-```keys ^J```
+```key ^J```
 -->
 
 - Save, quit
 
 - Try to create our new resource:
-  ```
+  ```bash
   kubectl apply -f rng.yml
   ```
 
+<!-- ```wait error:``` -->
+
 ]
 
 --
@@ -425,7 +427,7 @@ class: extra-details
 
 - We need to change the selector of the `rng` service!
 
-- Let's add another label to that selector (e.g. `enabled=yes`) 
+- Let's add another label to that selector (e.g. `active=yes`) 
 
 ---
 
@@ -443,11 +445,11 @@ class: extra-details
 
 ## The plan
 
-1. Add the label `enabled=yes` to all our `rng` pods
+1. Add the label `active=yes` to all our `rng` pods
 
-2. Update the selector for the `rng` service to also include `enabled=yes`
+2. Update the selector for the `rng` service to also include `active=yes`
 
-3. Toggle traffic to a pod by manually adding/removing the `enabled` label
+3. Toggle traffic to a pod by manually adding/removing the `active` label
 
 4. Profit!
 
@@ -462,7 +464,7 @@ be any interruption.*
 
 ## Adding labels to pods
 
-- We want to add the label `enabled=yes` to all pods that have `app=rng`
+- We want to add the label `active=yes` to all pods that have `app=rng`
 
 - We could edit each pod one by one with `kubectl edit` ...
 
@@ -472,9 +474,9 @@ be any interruption.*
 
 .exercise[
 
-- Add `enabled=yes` to all pods that have `app=rng`:
+- Add `active=yes` to all pods that have `app=rng`:
   ```bash
-  kubectl label pods -l app=rng enabled=yes
+  kubectl label pods -l app=rng active=yes
   ```
 
 ]
@@ -493,7 +495,7 @@ be any interruption.*
 
 .exercise[
 
-- Update the service to add `enabled: yes` to its selector:
+- Update the service to add `active: yes` to its selector:
   ```bash
   kubectl edit service rng
   ```
@@ -501,11 +503,11 @@ be any interruption.*
 <!--
 ```wait Please edit the object below```
 ```keys /app: rng```
-```keys ^J```
-```keys noenabled: yes```
-```keys ^[``` ]
+```key ^J```
+```keys noactive: yes```
+```key ^[``` ]
 ```keys :wq```
-```keys ^J```
+```key ^J```
 -->
 
 ]
@@ -528,7 +530,7 @@ be any interruption.*
 
 - If we want the string `"42"` or the string `"yes"`, we have to quote them
 
-- So we have to use `enabled: "yes"`
+- So we have to use `active: "yes"`
 
 .footnote[For a good laugh: if we had used "ja", "oui", "si" ... as the value, it would have worked!]
 
@@ -538,19 +540,18 @@ be any interruption.*
 
 .exercise[
 
-- Update the service to add `enabled: "yes"` to its selector:
-  ```bash
-  kubectl edit service rng
-  ```
+- Update the YAML manifest of the service
+
+- Add `active: "yes"` to its selector
 
 <!--
 ```wait Please edit the object below```
-```keys /app: rng```
-```keys ^J```
-```keys noenabled: "yes"```
-```keys ^[``` ]
+```keys /yes```
+```key ^J```
+```keys cw"yes"```
+```key ^[``` ]
 ```keys :wq```
-```keys ^J```
+```key ^J```
 -->
 
 ]
@@ -565,7 +566,7 @@ If we did everything correctly, the web UI shouldn't show any change.
 
 - We want to disable the pod that was created by the deployment
 
-- All we have to do, is remove the `enabled` label from that pod
+- All we have to do, is remove the `active` label from that pod
 
 - To identify that pod, we can use its name
 
@@ -589,16 +590,25 @@ If we did everything correctly, the web UI shouldn't show any change.
   ```bash
   POD=$(kubectl get pod -l app=rng,pod-template-hash -o name)
   kubectl logs --tail 1 --follow $POD
-
   ```
   (We should see a steady stream of HTTP logs)
 
+<!--
+```wait HTTP/1.1```
+```tmux split-pane -v```
+-->
+
 - In another window, remove the label from the pod:
   ```bash
-  kubectl label pod -l app=rng,pod-template-hash enabled-
+  kubectl label pod -l app=rng,pod-template-hash active-
   ```
   (The stream of HTTP logs should stop immediately)
 
+<!--
+```key ^D```
+```key ^C```
+-->
+
 ]
 
 There might be a slight change in the web UI (since we removed a bit
@@ -613,7 +623,7 @@ class: extra-details
 
 - If we scale up our cluster by adding new nodes, the daemon set will create more pods
 
-- These pods won't have the `enabled=yes` label
+- These pods won't have the `active=yes` label
 
 - If we want these pods to have that label, we need to edit the daemon set spec
 

slides/k8s/deploymentslideshow.md

@@ -5,63 +5,63 @@ They say, "a picture is worth one thousand words."
 The following 19 slides show what really happens when we run:
 
 ```bash
-kubectl run web --image=nginx --replicas=3
+kubectl create deployment web --image=nginx
 ```
 
 ---
 class: pic
-![](images/kubectl-run-slideshow/01.svg)
+![](images/kubectl-create-deployment-slideshow/01.svg)
 ---
 class: pic
-![](images/kubectl-run-slideshow/02.svg)
+![](images/kubectl-create-deployment-slideshow/02.svg)
 ---
 class: pic
-![](images/kubectl-run-slideshow/03.svg)
+![](images/kubectl-create-deployment-slideshow/03.svg)
 ---
 class: pic
-![](images/kubectl-run-slideshow/04.svg)
+![](images/kubectl-create-deployment-slideshow/04.svg)
 ---
 class: pic
-![](images/kubectl-run-slideshow/05.svg)
+![](images/kubectl-create-deployment-slideshow/05.svg)
 ---
 class: pic
-![](images/kubectl-run-slideshow/06.svg)
+![](images/kubectl-create-deployment-slideshow/06.svg)
 ---
 class: pic
-![](images/kubectl-run-slideshow/07.svg)
+![](images/kubectl-create-deployment-slideshow/07.svg)
 ---
 class: pic
-![](images/kubectl-run-slideshow/08.svg)
+![](images/kubectl-create-deployment-slideshow/08.svg)
 ---
 class: pic
-![](images/kubectl-run-slideshow/09.svg)
+![](images/kubectl-create-deployment-slideshow/09.svg)
 ---
 class: pic
-![](images/kubectl-run-slideshow/10.svg)
+![](images/kubectl-create-deployment-slideshow/10.svg)
 ---
 class: pic
-![](images/kubectl-run-slideshow/11.svg)
+![](images/kubectl-create-deployment-slideshow/11.svg)
 ---
 class: pic
-![](images/kubectl-run-slideshow/12.svg)
+![](images/kubectl-create-deployment-slideshow/12.svg)
 ---
 class: pic
-![](images/kubectl-run-slideshow/13.svg)
+![](images/kubectl-create-deployment-slideshow/13.svg)
 ---
 class: pic
-![](images/kubectl-run-slideshow/14.svg)
+![](images/kubectl-create-deployment-slideshow/14.svg)
 ---
 class: pic
-![](images/kubectl-run-slideshow/15.svg)
+![](images/kubectl-create-deployment-slideshow/15.svg)
 ---
 class: pic
-![](images/kubectl-run-slideshow/16.svg)
+![](images/kubectl-create-deployment-slideshow/16.svg)
 ---
 class: pic
-![](images/kubectl-run-slideshow/17.svg)
+![](images/kubectl-create-deployment-slideshow/17.svg)
 ---
 class: pic
-![](images/kubectl-run-slideshow/18.svg)
+![](images/kubectl-create-deployment-slideshow/18.svg)
 ---
 class: pic
-![](images/kubectl-run-slideshow/19.svg)
+![](images/kubectl-create-deployment-slideshow/19.svg)

slides/k8s/dmuc.md

@@ -6,7 +6,7 @@
 
 - Our goal is to build a minimal cluster allowing us to:
 
-  - create a Deployment (with `kubectl run` or `kubectl create deployment`)
+  - create a Deployment (with `kubectl create deployment`)
   - expose it with a Service
   - connect to that service
 

slides/k8s/dryrun.md

@@ -162,6 +162,8 @@ Instead, it has the fields expected in a DaemonSet.
   kubectl diff -f web.yaml
   ```
 
+<!-- ```wait status:``` -->
+
 ]
 
 Note: we don't need to specify `--validate=false` here.
@@ -170,7 +172,7 @@ Note: we don't need to specify `--validate=false` here.
 
 ## Advantage of YAML
 
-- Using YAML (instead of `kubectl run`/`create`/etc.) allows to be *declarative*
+- Using YAML (instead of `kubectl create <kind>`) allows to be *declarative*
 
 - The YAML describes the desired state of our cluster and applications
 
@@ -192,7 +194,7 @@ Note: we don't need to specify `--validate=false` here.
 
 ## YAML in practice
 
-- Get started with `kubectl run`/`create`/`expose`/etc.
+- Get started with `kubectl create deployment` and `kubectl expose`
 
 - Dump the YAML with `kubectl get -o yaml`
 

slides/k8s/exercise-configmap.md

@@ -0,0 +1,31 @@
+# Exercise — ConfigMaps
+
+- In this exercise, we will use a ConfigMap to store static assets
+
+- While there are some circumstances where this can be useful ...
+
+- ... It is generally **not** a good idea!
+
+- Once you've read that warning, check the next slide for instructions :)
+
+---
+
+## Exercise — ConfigMaps
+
+This will use the wordsmith app.
+
+We want to store the static files (served by `web`) in a ConfigMap.
+
+1. Transform the `static` directory into a ConfigMap.
+
+   (https://github.com/jpetazzo/wordsmith/tree/master/web/static)
+
+2. Find out where that `static` directory is located in `web`.
+
+   (for instance, by using `kubectl exec` to investigate)
+
+3. Update the definition of the `web` Deployment to use the ConfigMap.
+
+   (note: fonts and images will be broken; that's OK)
+
+4. Make a minor change in the ConfigMap (e.g. change the text color)

slides/k8s/exercise-helm.md

@@ -0,0 +1,63 @@
+# Exercise — Helm charts
+
+Let's write a Helm chart for wordsmith!
+
+We will need the YAML manifests that we wrote earlier.
+
+Level 1: create a chart to deploy wordsmith.
+
+Level 2: make it so that the number of replicas can be set with `--set replicas=X`.
+
+Level 3: change the colors of the lego bricks.
+
+(For level 3, fork the repository and use ctr.run to build images.)
+
+See next slide if you need hints!
+
+---
+
+## Hints
+
+*Scroll one slide at a time to see hints.*
+
+--
+
+Use `helm create` to create a new chart.
+
+--
+
+Delete the content of the `templates` directory and put your YAML instead.
+
+--
+
+Install the resulting chart. Voilà!
+
+--
+
+Use `{{ .Values.replicas }}` in the YAML manifest for `words`.
+
+--
+
+Also add `replicas: 5` to `values.yaml` to provide a default value.
+
+---
+
+## Changing the color
+
+- Fork the repository
+
+- Make sure that your fork has valid Dockerfiles
+
+  (or identify a branch that has valid Dockerfiles)
+
+- Use the following images:
+
+  ctr.run/yourgithubusername/wordsmith/db:branchname
+
+  (replace db with web and words for the other components)
+
+- Change the images and/or CSS in `web/static`
+
+- Commit, push, trigger a rolling update
+
+  (`imagePullPolicy` should be `Always`, which is the default)

slides/k8s/exercise-wordsmith.md

@@ -0,0 +1,39 @@
+# Exercise — deploying on Kubernetes
+
+Let's deploy the wordsmith app on Kubernetes!
+
+As a reminder, we have the following components:
+
+| Name  | Image                           | Port |
+|-------|---------------------------------|------|
+| db    | jpetazzo/wordsmith-db:latest    | 5432 |
+| web   | jpetazzo/wordsmith-web:latest   | 80   |
+| words | jpetazzo/wordsmith-words:latest | 8080 |
+
+We need `web` to be available from outside the cluster.
+
+See next slide if you need hints!
+
+---
+
+## Hints
+
+*Scroll one slide at a time to see hints.*
+
+--
+
+- For each component, we need to create a deployment and a service
+
+--
+
+- Deployments can be created with `kubectl create deployment`
+
+--
+
+- Services can be created with `kubectl expose`
+
+--
+
+- Public services (like `web`) need to use a special type
+
+  (e.g. `NodePort`)