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kubeless
This commit is contained in:
Edward Viaene
44
kubeless/README.md
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44
kubeless/README.md
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# Install CLI
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```
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wget https://github.com/kubeless/kubeless/releases/download/v1.0.0-alpha.8/kubeless_linux-amd64.zip
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unzip kubeless_linux-amd64.zip
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sudo mv bundles/kubeless_linux-amd64/kubeless /usr/local/bin
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rm -r bundles/
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```
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# Deploy kubeless
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kubectl create ns kubeless
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kubectl create -f https://github.com/kubeless/kubeless/releases/download/v1.0.0-alpha.8/kubeless-v1.0.0-alpha.8.yaml
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# Example function
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## python
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```
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kubeless function deploy hello --runtime python2.7 \
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--from-file python-example/example.py \
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--handler test.hello
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```
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## NodeJS
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```
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kubeless function deploy myfunction --runtime nodejs6 \
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--dependencies node-example/package.json \
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--handler test.myfunction \
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--from-file node-example/example.js
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```
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# Commands
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## List Function
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```
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kubeless function ls
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```
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## Call Function
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```
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kubeless function call myfunction --data 'This is some data'
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```
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## Expose function
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```
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kubectl create -f nginx-ingress-controller-with-elb.yml
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kubeless trigger http create myfunction --function-name myfunction --hostname myfunction.kubernetes.newtech.academy
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```
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349
kubeless/nginx-ingress-controller-with-elb.yml
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349
kubeless/nginx-ingress-controller-with-elb.yml
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---
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apiVersion: v1
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kind: Namespace
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metadata:
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name: ingress-nginx
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---
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apiVersion: extensions/v1beta1
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kind: Deployment
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metadata:
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name: default-http-backend
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labels:
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app.kubernetes.io/name: default-http-backend
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app.kubernetes.io/part-of: ingress-nginx
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namespace: ingress-nginx
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spec:
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replicas: 1
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selector:
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matchLabels:
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app.kubernetes.io/name: default-http-backend
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template:
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metadata:
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labels:
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app.kubernetes.io/name: default-http-backend
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app.kubernetes.io/part-of: ingress-nginx
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spec:
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terminationGracePeriodSeconds: 60
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containers:
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- name: default-http-backend
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# Any image is permissible as long as:
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# 1. It serves a 404 page at /
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# 2. It serves 200 on a /healthz endpoint
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image: gcr.io/google_containers/defaultbackend:1.4
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livenessProbe:
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httpGet:
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path: /healthz
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port: 8080
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scheme: HTTP
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initialDelaySeconds: 30
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timeoutSeconds: 5
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ports:
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- containerPort: 8080
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resources:
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limits:
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cpu: 10m
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memory: 20Mi
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requests:
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cpu: 10m
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memory: 20Mi
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---
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apiVersion: v1
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kind: Service
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metadata:
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name: default-http-backend
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namespace: ingress-nginx
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labels:
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app.kubernetes.io/name: default-http-backend
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app.kubernetes.io/part-of: ingress-nginx
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spec:
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ports:
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- port: 80
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targetPort: 8080
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selector:
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app.kubernetes.io/name: default-http-backend
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---
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kind: ConfigMap
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apiVersion: v1
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metadata:
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name: nginx-configuration
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namespace: ingress-nginx
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labels:
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app.kubernetes.io/name: ingress-nginx
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app.kubernetes.io/part-of: ingress-nginx
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data:
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use-proxy-protocol: "true"
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---
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kind: ConfigMap
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apiVersion: v1
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metadata:
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name: tcp-services
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namespace: ingress-nginx
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labels:
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app.kubernetes.io/name: ingress-nginx
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app.kubernetes.io/part-of: ingress-nginx
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---
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kind: ConfigMap
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apiVersion: v1
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metadata:
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name: udp-services
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namespace: ingress-nginx
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labels:
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app.kubernetes.io/name: ingress-nginx
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app.kubernetes.io/part-of: ingress-nginx
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---
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apiVersion: v1
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kind: ServiceAccount
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metadata:
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name: nginx-ingress-serviceaccount
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namespace: ingress-nginx
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labels:
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app.kubernetes.io/name: ingress-nginx
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app.kubernetes.io/part-of: ingress-nginx
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---
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apiVersion: rbac.authorization.k8s.io/v1beta1
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kind: ClusterRole
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metadata:
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name: nginx-ingress-clusterrole
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labels:
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app.kubernetes.io/name: ingress-nginx
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app.kubernetes.io/part-of: ingress-nginx
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rules:
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- apiGroups:
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- ""
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resources:
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- configmaps
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- endpoints
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- nodes
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- pods
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- secrets
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verbs:
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- list
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- watch
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- apiGroups:
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- ""
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resources:
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- nodes
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verbs:
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- get
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- apiGroups:
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- ""
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resources:
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- services
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verbs:
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- get
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- list
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- watch
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- apiGroups:
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- "extensions"
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resources:
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- ingresses
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verbs:
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- get
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- list
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- watch
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- apiGroups:
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- ""
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resources:
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- events
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verbs:
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- create
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- patch
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- apiGroups:
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- "extensions"
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resources:
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- ingresses/status
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verbs:
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- update
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---
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apiVersion: rbac.authorization.k8s.io/v1beta1
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kind: Role
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metadata:
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name: nginx-ingress-role
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namespace: ingress-nginx
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labels:
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app.kubernetes.io/name: ingress-nginx
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app.kubernetes.io/part-of: ingress-nginx
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rules:
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- apiGroups:
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- ""
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resources:
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- configmaps
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- pods
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- secrets
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- namespaces
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verbs:
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- get
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- apiGroups:
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- ""
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resources:
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- configmaps
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resourceNames:
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# Defaults to "<election-id>-<ingress-class>"
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# Here: "<ingress-controller-leader>-<nginx>"
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# This has to be adapted if you change either parameter
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# when launching the nginx-ingress-controller.
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- "ingress-controller-leader-nginx"
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verbs:
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- get
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- update
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- apiGroups:
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- ""
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resources:
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- configmaps
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verbs:
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- create
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- apiGroups:
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- ""
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resources:
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- endpoints
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verbs:
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- get
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---
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apiVersion: rbac.authorization.k8s.io/v1beta1
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kind: RoleBinding
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metadata:
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name: nginx-ingress-role-nisa-binding
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namespace: ingress-nginx
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labels:
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app.kubernetes.io/name: ingress-nginx
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app.kubernetes.io/part-of: ingress-nginx
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roleRef:
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apiGroup: rbac.authorization.k8s.io
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kind: Role
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name: nginx-ingress-role
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subjects:
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- kind: ServiceAccount
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name: nginx-ingress-serviceaccount
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namespace: ingress-nginx
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---
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apiVersion: rbac.authorization.k8s.io/v1beta1
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kind: ClusterRoleBinding
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metadata:
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name: nginx-ingress-clusterrole-nisa-binding
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labels:
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app.kubernetes.io/name: ingress-nginx
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app.kubernetes.io/part-of: ingress-nginx
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roleRef:
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apiGroup: rbac.authorization.k8s.io
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kind: ClusterRole
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name: nginx-ingress-clusterrole
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subjects:
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- kind: ServiceAccount
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name: nginx-ingress-serviceaccount
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namespace: ingress-nginx
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---
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apiVersion: extensions/v1beta1
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kind: Deployment
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metadata:
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name: nginx-ingress-controller
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namespace: ingress-nginx
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labels:
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app.kubernetes.io/name: ingress-nginx
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app.kubernetes.io/part-of: ingress-nginx
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spec:
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replicas: 1
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selector:
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matchLabels:
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app.kubernetes.io/name: ingress-nginx
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template:
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metadata:
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labels:
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app.kubernetes.io/name: ingress-nginx
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annotations:
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prometheus.io/port: '10254'
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prometheus.io/scrape: 'true'
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spec:
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serviceAccountName: nginx-ingress-serviceaccount
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containers:
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- name: nginx-ingress-controller
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image: quay.io/kubernetes-ingress-controller/nginx-ingress-controller:0.18.0
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args:
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- /nginx-ingress-controller
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- --default-backend-service=$(POD_NAMESPACE)/default-http-backend
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- --configmap=$(POD_NAMESPACE)/nginx-configuration
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- --tcp-services-configmap=$(POD_NAMESPACE)/tcp-services
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- --udp-services-configmap=$(POD_NAMESPACE)/udp-services
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- --publish-service=$(POD_NAMESPACE)/ingress-nginx
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- --annotations-prefix=nginx.ingress.kubernetes.io
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securityContext:
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capabilities:
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drop:
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- ALL
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add:
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- NET_BIND_SERVICE
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# www-data -> 33
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runAsUser: 33
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env:
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- name: POD_NAME
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valueFrom:
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fieldRef:
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fieldPath: metadata.name
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- name: POD_NAMESPACE
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valueFrom:
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fieldRef:
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fieldPath: metadata.namespace
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ports:
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- name: http
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containerPort: 80
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- name: https
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containerPort: 443
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livenessProbe:
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failureThreshold: 3
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httpGet:
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path: /healthz
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port: 10254
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scheme: HTTP
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initialDelaySeconds: 10
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periodSeconds: 10
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successThreshold: 1
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timeoutSeconds: 1
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readinessProbe:
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failureThreshold: 3
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httpGet:
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path: /healthz
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port: 10254
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scheme: HTTP
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periodSeconds: 10
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successThreshold: 1
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timeoutSeconds: 1
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---
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kind: Service
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apiVersion: v1
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metadata:
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name: ingress-nginx
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namespace: ingress-nginx
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labels:
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app.kubernetes.io/name: ingress-nginx
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app.kubernetes.io/part-of: ingress-nginx
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annotations:
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# Enable PROXY protocol
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service.beta.kubernetes.io/aws-load-balancer-proxy-protocol: '*'
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# Increase the ELB idle timeout to avoid issues with WebSockets or Server-Sent Events.
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service.beta.kubernetes.io/aws-load-balancer-connection-idle-timeout: '3600'
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spec:
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type: LoadBalancer
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selector:
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app.kubernetes.io/name: ingress-nginx
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ports:
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- name: http
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port: 80
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targetPort: http
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- name: https
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port: 443
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targetPort: https
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6
kubeless/node-example/example.js
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6
kubeless/node-example/example.js
Normal file
@@ -0,0 +1,6 @@
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module.exports = {
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myfunction: function (event, context) {
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console.log(event);
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return "Hello world!";
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}
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}
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12
kubeless/node-example/package.json
Normal file
12
kubeless/node-example/package.json
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@@ -0,0 +1,12 @@
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{
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"name": "node-example",
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"version": "0.0.1",
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"scripts": {
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"start": "node example.js"
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},
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"engines": {
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"node": "^6.14.4"
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},
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"dependencies": {
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}
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}
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3
kubeless/python-example/example.py
Normal file
3
kubeless/python-example/example.py
Normal file
@@ -0,0 +1,3 @@
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def hello(event, context):
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print event
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return event['data']
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Reference in New Issue
Block a user