Enforce alpine version that includes telnet (#292)

* Enforce alpine version that contains telnet

alpine 3.7 does not contain `telnet` by default https://github.com/gliderlabs/docker-alpine/issues/397#issuecomment-375415746

* bump fix

enforce alpine 3.6 in another slide that mentions `telnet`

.gitignore

@@ -7,4 +7,5 @@ prepare-vms/ips.pdf
 prepare-vms/settings.yaml
 prepare-vms/tags
 slides/*.yml.html
-autotest/nextstep
+slides/autopilot/state.yaml
+node_modules

CHECKLIST.md

@@ -0,0 +1,24 @@
+Checklist to use when delivering a workshop
+Authored by Jérôme; additions by Bridget
+
+- [ ] Create event-named branch (such as `conferenceYYYY`) in the [main repo](https://github.com/jpetazzo/container.training/)
+  - [ ] Create file `slides/_redirects` containing a link to the desired tutorial: `/ /kube-halfday.yml.html 200`
+  - [ ] Push local branch to GitHub and merge into main repo
+  - [ ] [Netlify setup](https://app.netlify.com/sites/container-training/settings/domain): create subdomain for event-named branch
+- [ ] Add link to event-named branch to [container.training front page](https://github.com/jpetazzo/container.training/blob/master/slides/index.html)
+- [ ] Update the slides that says which versions we are using for [kube](https://github.com/jpetazzo/container.training/blob/master/slides/kube/versions-k8s.md) or [swarm](https://github.com/jpetazzo/container.training/blob/master/slides/swarm/versions.md) workshops
+- [ ] Update the version of Compose and Machine in [settings](https://github.com/jpetazzo/container.training/tree/master/prepare-vms/settings)
+- [ ] (optional) Create chatroom
+- [ ] (optional) Set chatroom in YML ([kube half-day example](https://github.com/jpetazzo/container.training/blob/master/slides/kube-halfday.yml#L6-L8)) and deploy
+- [ ] (optional) Put chat link on [container.training front page](https://github.com/jpetazzo/container.training/blob/master/slides/index.html)
+- [ ] How many VMs do we need? Check with event organizers ahead of time
+- [ ] Provision VMs (slightly more than we think we'll need)
+- [ ] Change password on presenter's VMs (to forestall any hijinx)
+- [ ] Onsite: walk the room to count seats, check power supplies, lectern, A/V setup
+- [ ] Print cards
+- [ ] Cut cards
+- [ ] Last-minute merge from master
+- [ ] Check that all looks good
+- [ ] DELIVER!
+- [ ] Shut down VMs
+- [ ] Update index.html to remove chat link and move session to past things

LICENSE

@@ -1,13 +1,12 @@
-Copyright 2015 Jérôme Petazzoni
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
+The code in this repository is licensed under the Apache License
+Version 2.0. You may obtain a copy of this license at:
 
     http://www.apache.org/licenses/LICENSE-2.0
 
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
+The instructions and slides in this repository (e.g. the files
+with extension .md and .yml in the "slides" subdirectory) are
+under the Creative Commons Attribution 4.0 International Public
+License. You may obtain a copy of this license at:
+
+    https://creativecommons.org/licenses/by/4.0/legalcode
+

README.md

@@ -39,14 +39,16 @@ your own tutorials.
 All these materials have been gathered in a single repository
 because they have a few things in common:
 
-- a [build system](slides/) generating HTML slides from
-  Markdown source files;
 - some [common slides](slides/common/) that are re-used
   (and updated) identically between different decks;
+- a [build system](slides/) generating HTML slides from
+  Markdown source files;
+- a [semi-automated test harness](slides/autopilot/) to check
+  that the exercises and examples provided work properly;
+- a [PhantomJS script](slides/slidechecker.js) to check
+  that the slides look good and don't have formatting issues;
 - [deployment scripts](prepare-vms/) to start training
   VMs in bulk;
-- a [semi-automated test harness](autotest/) to check
-  that the exercises and examples provided work properly;
 - a fancy pipeline powered by
   [Netlify](https://www.netlify.com/) and continuously
   deploying `master` to http://container.training/.
@@ -74,9 +76,6 @@ a few other contributors. It is actively maintained.
 
 ## Repository structure
 
-- [autotest](autotest/)
-  - Semi-automated testing system to check that all the exercises
-    in the slides work properly.
 - [bin](bin/)
   - A few helper scripts that you can safely ignore for now.
 - [dockercoins](dockercoins/)
@@ -248,6 +247,17 @@ content but you also know to skip during presentation.
 - Last 15-30 minutes is for stateful services, DAB files, and questions.
 
 
+### Pre-built images
+
+There are pre-built images for the 4 components of the DockerCoins demo app: `dockercoins/hasher:v0.1`, `dockercoins/rng:v0.1`, `dockercoins/webui:v0.1`, and `dockercoins/worker:v0.1`. They correspond to the code in this repository.
+
+There are also three variants, for demo purposes:
+
+- `dockercoins/rng:v0.2` is broken (the server won't even start),
+- `dockercoins/webui:v0.2` has bigger font on the Y axis and a green graph (instead of blue),
+- `dockercoins/worker:v0.2` is 11x slower than `v0.1`.
+
+
 ## Past events
 
 Since its inception, this workshop has been delivered dozens of times,
@@ -286,7 +296,7 @@ If you have attended this workshop and have feedback,
 or if you want somebody  to deliver that workshop at your
 conference or for your company: you can contact one of us!
 
-- jerome at docker dot com
+- jerome dot petazzoni at gmail dot com
 - bret at bretfisher dot com
 
 If you are willing and able to deliver such workshops,

autotest/autotest.py

@@ -1,229 +0,0 @@
-#!/usr/bin/env python
-
-import uuid
-import logging
-import os
-import re
-import subprocess
-import sys
-import time
-import uuid
-
-logging.basicConfig(level=logging.DEBUG)
-
-
-TIMEOUT = 60 # 1 minute
-
-
-def hrule():
-    return "="*int(subprocess.check_output(["tput", "cols"]))
-
-# A "snippet" is something that the user is supposed to do in the workshop.
-# Most of the "snippets" are shell commands.
-# Some of them can be key strokes or other actions.
-# In the markdown source, they are the code sections (identified by triple-
-# quotes) within .exercise[] sections.
-
-class Snippet(object):
-
-    def __init__(self, slide, content):
-        self.slide = slide
-        self.content = content
-        self.actions = []
-
-    def __str__(self):
-        return self.content
-
-
-class Slide(object):
-
-    current_slide = 0
-
-    def __init__(self, content):
-        Slide.current_slide += 1
-        self.number = Slide.current_slide
-
-        # Remove commented-out slides
-        # (remark.js considers ??? to be the separator for speaker notes)
-        content = re.split("\n\?\?\?\n", content)[0]
-        self.content = content
-
-        self.snippets = []
-        exercises = re.findall("\.exercise\[(.*)\]", content, re.DOTALL)
-        for exercise in exercises:
-            if "```" in exercise:
-                for snippet in exercise.split("```")[1::2]:
-                    self.snippets.append(Snippet(self, snippet))
-            else:
-                logging.warning("Exercise on slide {} does not have any ``` snippet."
-                                .format(self.number))
-                self.debug()
-
-    def __str__(self):
-        text = self.content
-        for snippet in self.snippets:
-            text = text.replace(snippet.content, ansi("7")(snippet.content))
-        return text
-
-    def debug(self):
-        logging.debug("\n{}\n{}\n{}".format(hrule(), self.content, hrule()))
-
-
-def ansi(code):
-    return lambda s: "\x1b[{}m{}\x1b[0m".format(code, s)
-
-
-def wait_for_string(s):
-    logging.debug("Waiting for string: {}".format(s))
-    deadline = time.time() + TIMEOUT
-    while time.time() < deadline:
-        output = capture_pane()
-        if s in output:
-            return
-        time.sleep(1)
-    raise Exception("Timed out while waiting for {}!".format(s))
-
-
-def wait_for_prompt():
-    logging.debug("Waiting for prompt.")
-    deadline = time.time() + TIMEOUT
-    while time.time() < deadline:
-        output = capture_pane()
-        # If we are not at the bottom of the screen, there will be a bunch of extra \n's
-        output = output.rstrip('\n')
-        if output[-2:] == "\n$":
-            return
-        time.sleep(1)
-    raise Exception("Timed out while waiting for prompt!")
-
-
-def check_exit_status():
-    token = uuid.uuid4().hex
-    data = "echo {} $?\n".format(token)
-    logging.debug("Sending {!r} to get exit status.".format(data))
-    send_keys(data)
-    time.sleep(0.5)
-    wait_for_prompt()
-    screen = capture_pane()
-    status = re.findall("\n{} ([0-9]+)\n".format(token), screen, re.MULTILINE)
-    logging.debug("Got exit status: {}.".format(status))
-    if len(status) == 0:
-        raise Exception("Couldn't retrieve status code {}. Timed out?".format(token))
-    if len(status) > 1:
-        raise Exception("More than one status code {}. I'm seeing double! Shoot them both.".format(token))
-    code = int(status[0])
-    if code != 0:
-        raise Exception("Non-zero exit status: {}.".format(code))
-    # Otherwise just return peacefully.
-
-
-slides = []
-content = open(sys.argv[1]).read()
-for slide in re.split("\n---?\n", content):
-    slides.append(Slide(slide))
-
-actions = []
-for slide in slides:
-    for snippet in slide.snippets:
-        content = snippet.content
-        # Extract the "method" (e.g. bash, keys, ...)
-        # On multi-line snippets, the method is alone on the first line
-        # On single-line snippets, the data follows the method immediately
-        if '\n' in content:
-            method, data = content.split('\n', 1)
-        else:
-            method, data = content.split(' ', 1)
-        actions.append((slide, snippet, method, data))
-
-
-def send_keys(data):
-    subprocess.check_call(["tmux", "send-keys", data])
-
-def capture_pane():
-    return subprocess.check_output(["tmux", "capture-pane", "-p"])
-
-
-try:
-    i = int(open("nextstep").read())
-    logging.info("Loaded next step ({}) from file.".format(i))
-except Exception as e:
-    logging.warning("Could not read nextstep file ({}), initializing to 0.".format(e))
-    i = 0
-
-interactive = True
-
-while i < len(actions):
-    with open("nextstep", "w") as f:
-        f.write(str(i))
-    slide, snippet, method, data = actions[i]
-
-    # Remove extra spaces (we don't want them in the terminal) and carriage returns
-    data = data.strip()
-
-    print(hrule())
-    print(slide.content.replace(snippet.content, ansi(7)(snippet.content)))
-    print(hrule())
-    if interactive:
-        print("[{}/{}] Shall we execute that snippet above?".format(i, len(actions)))
-        print("(ENTER to execute, 'c' to continue until next error, N to jump to step #N)")
-        command = raw_input("> ")
-    else:
-        command = ""
-
-    # For now, remove the `highlighted` sections
-    # (Make sure to use $() in shell snippets!)
-    if '`' in data:
-        logging.info("Stripping ` from snippet.")
-        data = data.replace('`', '')
-
-    if command == "c":
-        # continue until next timeout
-        interactive = False
-    elif command.isdigit():
-        i = int(command)
-    elif command == "":
-        logging.info("Running with method {}: {}".format(method, data))
-        if method == "keys":
-            send_keys(data)
-        elif method == "bash":
-            # Make sure that we're ready
-            wait_for_prompt()
-            # Strip leading spaces
-            data = re.sub("\n +", "\n", data)
-            # 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)
-            _, _, next_method, next_data = actions[i+1]
-            if next_method == "wait":
-                wait_for_string(next_data)
-            else:
-                wait_for_prompt()
-                # Verify return code FIXME should be optional
-                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()
-        else:
-            logging.warning("Unknown method {}: {!r}".format(method, data))
-        i += 1
-
-    else:
-        i += 1
-        logging.warning("Unknown command {}, skipping to next step.".format(command))
-
-# Reset slide counter
-with open("nextstep", "w") as f:
-    f.write(str(0))

prepare-vms/README.md

@@ -1,15 +1,22 @@
-# Trainer tools to create and prepare VMs for Docker workshops on AWS
+# Trainer tools to create and prepare VMs for Docker workshops on AWS or Azure
 
 ## Prerequisites
 
 - [Docker](https://docs.docker.com/engine/installation/)
 - [Docker Compose](https://docs.docker.com/compose/install/)
+- [Parallel SSH](https://code.google.com/archive/p/parallel-ssh/) (on a Mac: `brew install pssh`) - the configuration scripts require this
+
+And if you want to generate printable cards:
+
+- [pyyaml](https://pypi.python.org/pypi/PyYAML) (on a Mac: `brew install pyyaml`)
+- [jinja2](https://pypi.python.org/pypi/Jinja2) (on a Mac: `brew install jinja2`)
 
 ## General Workflow
 
 - fork/clone repo
-- set required environment variables for AWS
+- set required environment variables
 - create your own setting file from `settings/example.yaml`
+- if necessary, increase allowed open files: `ulimit -Sn 10000`
 - run `./workshopctl` commands to create instances, install docker, setup each users environment in node1, other management tasks
 - run `./workshopctl cards` command to generate PDF for printing handouts of each users host IP's and login info
 
@@ -35,6 +42,16 @@ The Docker Compose file here is used to build a image with all the dependencies
 - `AWS_SECRET_ACCESS_KEY`
 - `AWS_DEFAULT_REGION`
 
+If you're not using AWS, set these to placeholder values:
+
+```
+export AWS_ACCESS_KEY_ID="foo"
+export AWS_SECRET_ACCESS_KEY="foo"
+export AWS_DEFAULT_REGION="foo"
+```
+
+If you don't have the `aws` CLI installed, you will get a warning that it's a missing dependency. If you're not using AWS you can ignore this.
+
 ### Update/copy `settings/example.yaml`
 
 Then pass `settings/YOUR_WORKSHOP_NAME-settings.yaml` as an argument to `./workshopctl deploy`, `./workshopctl cards`, etc.
@@ -48,6 +65,7 @@ workshopctl - the orchestration workshop swiss army knife
 Commands:
 ami          Show the AMI that will be used for deployment
 amis         List Ubuntu AMIs in the current region
+build        Build the Docker image to run this program in a container
 cards        Generate ready-to-print cards for a batch of VMs
 deploy       Install Docker on a bunch of running VMs
 ec2quotas    Check our EC2 quotas (max instances)
@@ -55,6 +73,7 @@ help         Show available commands
 ids          List the instance IDs belonging to a given tag or token
 ips          List the IP addresses of the VMs for a given tag or token
 kube         Setup kubernetes clusters with kubeadm (must be run AFTER deploy)
+kubetest     Check that all notes are reporting as Ready
 list         List available batches in the current region
 opensg       Open the default security group to ALL ingress traffic
 pull_images  Pre-pull a bunch of Docker images
@@ -63,6 +82,7 @@ start        Start a batch of VMs
 status       List instance status for a given batch
 stop         Stop (terminate, shutdown, kill, remove, destroy...) instances
 test         Run tests (pre-flight checks) on a batch of VMs
+wrap         Run this program in a container
 ```
 
 ### Summary of What `./workshopctl` Does For You
@@ -75,12 +95,12 @@ test         Run tests (pre-flight checks) on a batch of VMs
 - During `start` it will add your default local SSH key to all instances under the `ubuntu` user.
 - During `deploy` it will create the `docker` user with password `training`, which is printing on the cards for students. For now, this is hard coded.
 
-### Example Steps to Launch a Batch of Instances for a Workshop
+### Example Steps to Launch a Batch of AWS Instances for a Workshop
 
 - Run `./workshopctl start N` Creates `N` EC2 instances
   - Your local SSH key will be synced to instances under `ubuntu` user
   - AWS instances will be created and tagged based on date, and IP's stored in `prepare-vms/tags/`
-- Run `./workshopctl deploy TAG settings/somefile.yaml` to run `scripts/postprep.rc` via parallel-ssh
+- Run `./workshopctl deploy TAG settings/somefile.yaml` to run `lib/postprep.py` via parallel-ssh
   - If it errors or times out, you should be able to rerun
   - Requires good connection to run all the parallel SSH connections, up to 100 parallel (ProTip: create dedicated management instance in same AWS region where you run all these utils from)
 - Run `./workshopctl pull-images TAG` to pre-pull a bunch of Docker images to the instances
@@ -88,6 +108,67 @@ test         Run tests (pre-flight checks) on a batch of VMs
 - *Have a great workshop*
 - Run `./workshopctl stop TAG` to terminate instances.
 
+### Example Steps to Launch Azure Instances
+
+- Install the [Azure CLI](https://docs.microsoft.com/en-us/cli/azure/install-azure-cli?view=azure-cli-latest) and authenticate with a valid account
+- Customize `azuredeploy.parameters.json`
+  - Required:
+    - Provide the SSH public key you plan to use for instance configuration
+  - Optional:
+    - Choose a name for the workshop (default is "workshop")
+    - Choose the number of instances (default is 3)
+    - Customize the desired instance size (default is Standard_D1_v2)
+ - Launch instances with your chosen resource group name and your preferred region; the examples are "workshop" and "eastus":
+```
+az group create --name workshop --location eastus
+az group deployment create --resource-group workshop --template-file azuredeploy.json --parameters @azuredeploy.parameters.json
+```
+
+The `az group deployment create` command can take several minutes and will only say `- Running ..` until it completes, unless you increase the verbosity with `--verbose` or `--debug`.
+
+To display the IPs of the instances you've launched:
+
+```
+az vm list-ip-addresses --resource-group workshop --output table
+```
+
+If you want to put the IPs into `prepare-vms/tags/<tag>/ips.txt` for a tag of "myworkshop":
+
+1) If you haven't yet installed `jq` and/or created your event's tags directory in `prepare-vms`:
+
+```
+brew install jq
+mkdir -p tags/myworkshop
+```
+
+2) And then generate the IP list:
+
+```
+az vm list-ip-addresses --resource-group workshop --output json | jq -r '.[].virtualMachine.network.publicIpAddresses[].ipAddress' > tags/myworkshop/ips.txt
+```
+
+After the workshop is over, remove the instances:
+
+```
+az group delete --resource-group workshop
+```
+
+### Example Steps to Configure Instances from a non-AWS Source
+
+- Launch instances via your preferred method. You'll need to get the instance IPs and be able to ssh into them.
+- Set placeholder values for [AWS environment variable settings](#required-environment-variables).
+- Choose a tag. It could be an event name, datestamp, etc. Ensure you have created a directory for your tag: `prepare-vms/tags/<tag>/`
+- If you have not already generated a file with the IPs to be configured:
+  - The file should be named `prepare-vms/tags/<tag>/ips.txt`
+  - Format is one IP per line, no other info needed.
+- Ensure the settings file is as desired (especially the number of nodes): `prepare-vms/settings/kube101.yaml`
+- For a tag called `myworkshop`, configure instances: `workshopctl deploy myworkshop settings/kube101.yaml`
+- Optionally, configure Kubernetes clusters of the size in the settings: `workshopctl kube myworkshop`
+- Optionally, test your Kubernetes clusters. They may take a little time to become ready: `workshopctl kubetest myworkshop`
+- Generate cards to print and hand out: `workshopctl cards myworkshop settings/kube101.yaml`
+- Print the cards file: `prepare-vms/tags/myworkshop/ips.html`
+
+
 ## Other Tools
 
 ### Deploying your SSH key to all the machines
@@ -97,13 +178,6 @@ test         Run tests (pre-flight checks) on a batch of VMs
 - Run `pcopykey`.
 
 
-### Installing extra packages
-
-- Source `postprep.rc`.
-  (This will install a few extra packages, add entries to
-  /etc/hosts, generate SSH keys, and deploy them on all hosts.)
-
-
 ## Even More Details
 
 #### Sync of SSH keys
@@ -132,7 +206,7 @@ Instances can be deployed manually using the `deploy` command:
 
     $ ./workshopctl deploy TAG settings/somefile.yaml
 
-The `postprep.rc` file will be copied via parallel-ssh to all of the VMs and executed.
+The `postprep.py` file will be copied via parallel-ssh to all of the VMs and executed.
 
 #### Pre-pull images
 
@@ -142,6 +216,10 @@ The `postprep.rc` file will be copied via parallel-ssh to all of the VMs and exe
 
     $ ./workshopctl cards TAG settings/somefile.yaml
 
+If you want to generate both HTML and PDF cards, install [wkhtmltopdf](https://wkhtmltopdf.org/downloads.html); without that installed, only HTML cards will be generated.
+
+If you don't have `wkhtmltopdf` installed, you will get a warning that it is a missing dependency. If you plan to just print the HTML cards, you can ignore this.
+
 #### List tags
 
     $ ./workshopctl list

prepare-vms/azuredeploy.json

@@ -0,0 +1,250 @@
+{
+  "$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
+  "contentVersion": "1.0.0.0",
+  "parameters": {
+    "workshopName": {
+      "type": "string",
+      "defaultValue": "workshop",
+      "metadata": {
+        "description": "Workshop name."
+      }
+    },
+    "vmPrefix": {
+      "type": "string",
+      "defaultValue": "node",
+      "metadata": {
+        "description": "Prefix for VM names."
+      }
+    },
+    "numberOfInstances": {
+      "type": "int",
+      "defaultValue": 3,
+      "metadata": {
+        "description": "Number of VMs to create."
+      }
+    },
+    "adminUsername": {
+      "type": "string",
+      "defaultValue": "ubuntu",
+      "metadata": {
+        "description": "Admin username for VMs."
+      }
+    },
+    "sshKeyData": {
+      "type": "string",
+      "defaultValue": "",
+      "metadata": {
+        "description": "SSH rsa public key file as a string."
+      }
+    },
+    "imagePublisher": {
+      "type": "string",
+      "defaultValue": "Canonical",
+      "metadata": {
+        "description": "OS image publisher; default Canonical."
+      }
+    },
+    "imageOffer": {
+      "type": "string",
+      "defaultValue": "UbuntuServer",
+      "metadata": {
+        "description": "The name of the image offer. The default is Ubuntu"
+      }
+    },
+    "imageSKU": {
+      "type": "string",
+      "defaultValue": "16.04-LTS",
+      "metadata": {
+        "description": "Version of the image. The default is 16.04-LTS"
+      }
+    },
+    "vmSize": {
+      "type": "string",
+      "defaultValue": "Standard_D1_v2",
+      "metadata": {
+        "description": "VM Size."
+      }
+    }
+  },
+  "variables": {
+    "vnetID": "[resourceId('Microsoft.Network/virtualNetworks',variables('virtualNetworkName'))]",
+    "subnet1Ref": "[concat(variables('vnetID'),'/subnets/',variables('subnet1Name'))]",
+    "vmName": "[parameters('vmPrefix')]",
+    "sshKeyPath": "[concat('/home/',parameters('adminUsername'),'/.ssh/authorized_keys')]",
+    "publicIPAddressName": "PublicIP",
+    "publicIPAddressType": "Dynamic",
+    "virtualNetworkName": "MyVNET",
+    "netSecurityGroup": "MyNSG",
+    "addressPrefix": "10.0.0.0/16",
+    "subnet1Name": "subnet-1",
+    "subnet1Prefix": "10.0.0.0/24",
+    "nicName": "myVMNic"
+  },
+  "resources": [
+    {
+      "apiVersion": "2017-11-01",
+      "type": "Microsoft.Network/publicIPAddresses",
+      "name": "[concat(variables('publicIPAddressName'),copyIndex(1))]",
+      "location": "[resourceGroup().location]",
+      "copy": {
+        "name": "publicIPLoop",
+        "count": "[parameters('numberOfInstances')]"
+      },
+      "properties": {
+        "publicIPAllocationMethod": "[variables('publicIPAddressType')]"
+      },
+      "tags": {
+        "workshop": "[parameters('workshopName')]"
+      }
+    },
+    {
+      "apiVersion": "2017-11-01",
+      "type": "Microsoft.Network/virtualNetworks",
+      "name": "[variables('virtualNetworkName')]",
+      "location": "[resourceGroup().location]",
+      "dependsOn": [
+        "[concat('Microsoft.Network/networkSecurityGroups/', variables('netSecurityGroup'))]"
+      ],
+      "properties": {
+        "addressSpace": {
+          "addressPrefixes": [
+            "[variables('addressPrefix')]"
+          ]
+        },
+        "subnets": [
+          {
+            "name": "[variables('subnet1Name')]",
+            "properties": {
+              "addressPrefix": "[variables('subnet1Prefix')]",
+              "networkSecurityGroup": {
+                "id": "[resourceId('Microsoft.Network/networkSecurityGroups', variables('netSecurityGroup'))]"
+              }
+            }
+          }
+        ]
+      },
+      "tags": {
+        "workshop": "[parameters('workshopName')]"
+      }
+    },
+    {
+      "apiVersion": "2017-11-01",
+      "type": "Microsoft.Network/networkInterfaces",
+      "name": "[concat(variables('nicName'),copyIndex(1))]",
+      "location": "[resourceGroup().location]",
+      "copy": {
+        "name": "nicLoop",
+        "count": "[parameters('numberOfInstances')]"
+      },
+      "dependsOn": [
+        "[concat('Microsoft.Network/publicIPAddresses/', variables('publicIPAddressName'),copyIndex(1))]",
+        "[concat('Microsoft.Network/virtualNetworks/', variables('virtualNetworkName'))]"
+      ],
+      "properties": {
+        "ipConfigurations": [
+          {
+            "name": "ipconfig1",
+            "properties": {
+              "privateIPAllocationMethod": "Dynamic",
+              "publicIPAddress": {
+                "id": "[resourceId('Microsoft.Network/publicIPAddresses', concat(variables('publicIPAddressName'), copyIndex(1)))]"
+              },
+              "subnet": {
+                "id": "[variables('subnet1Ref')]"
+              }
+            }
+          }
+        ]
+      },
+      "tags": {
+        "workshop": "[parameters('workshopName')]"
+      }
+    },
+    {
+      "apiVersion": "2017-12-01",
+      "type": "Microsoft.Compute/virtualMachines",
+      "name": "[concat(variables('vmName'),copyIndex(1))]",
+      "location": "[resourceGroup().location]",
+      "copy": {
+        "name": "vmLoop",
+        "count": "[parameters('numberOfInstances')]"
+      },
+      "dependsOn": [
+        "[concat('Microsoft.Network/networkInterfaces/', variables('nicName'), copyIndex(1))]"
+      ],
+      "properties": {
+        "hardwareProfile": {
+          "vmSize": "[parameters('vmSize')]"
+        },
+        "osProfile": {
+          "computerName": "[concat(variables('vmName'),copyIndex(1))]",
+          "adminUsername": "[parameters('adminUsername')]",
+          "linuxConfiguration": {
+            "disablePasswordAuthentication": true,
+            "ssh": {
+              "publicKeys": [
+                {
+                  "path": "[variables('sshKeyPath')]",
+                  "keyData": "[parameters('sshKeyData')]"
+                }
+              ]
+            }
+          }
+        },
+        "storageProfile": {
+          "osDisk": {
+            "createOption": "FromImage"
+          },
+          "imageReference": {
+            "publisher": "[parameters('imagePublisher')]",
+            "offer": "[parameters('imageOffer')]",
+            "sku": "[parameters('imageSKU')]",
+            "version": "latest"
+          }
+        },
+        "networkProfile": {
+          "networkInterfaces": [
+            {
+              "id": "[resourceId('Microsoft.Network/networkInterfaces', concat(variables('nicName'),copyIndex(1)))]"
+            }
+          ]
+        }
+      },
+      "tags": {
+        "workshop": "[parameters('workshopName')]"
+      }
+    },
+    {
+      "apiVersion": "2017-11-01",
+      "type": "Microsoft.Network/networkSecurityGroups",
+      "name": "[variables('netSecurityGroup')]",
+      "location": "[resourceGroup().location]",
+      "tags": {
+        "workshop": "[parameters('workshopName')]"
+      },
+      "properties": {
+        "securityRules": [
+          {
+            "name": "default-open-ports",
+            "properties": {
+              "protocol": "Tcp",
+              "sourcePortRange": "*",
+              "destinationPortRange": "*",
+              "sourceAddressPrefix": "*",
+              "destinationAddressPrefix": "*",
+              "access": "Allow",
+              "priority": 1000,
+              "direction": "Inbound"
+            }
+          }
+        ]
+      }
+    }
+  ],
+  "outputs": {
+    "resourceID": {
+      "type": "string",
+      "value": "[resourceId('Microsoft.Network/publicIPAddresses', concat(variables('publicIPAddressName'),'1'))]"
+    }
+  }
+}

prepare-vms/azuredeploy.parameters.json

@@ -0,0 +1,18 @@
+{
+  "$schema": "http://schema.management.azure.com/schemas/2015-01-01/deploymentParameters.json#",
+  "contentVersion": "1.0.0.0",
+  "parameters": {
+    "sshKeyData": {
+      "value": "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDXTIl/M9oeSlcsC5Rfe+nZr4Jc4sl200pSw2lpdxlZ3xzeP15NgSSMJnigUrKUXHfqRQ+2wiPxEf0Odz2GdvmXvR0xodayoOQsO24AoERjeSBXCwqITsfp1bGKzMb30/3ojRBo6LBR6r1+lzJYnNCGkT+IQwLzRIpm0LCNz1j08PUI2aZ04+mcDANvHuN/hwi/THbLLp6SNWN43m9r02RcC6xlCNEhJi4wk4VzMzVbSv9RlLGST2ocbUHwmQ2k9OUmpzoOx73aQi9XNnEaFh2w/eIdXM75VtkT3mRryyykg9y0/hH8/MVmIuRIdzxHQqlm++DLXVH5Ctw6a4kS+ki7 workshop"
+      },
+    "workshopName": {
+      "value": "workshop"
+    },
+    "numberOfInstances": {
+      "value": 3
+    },
+    "vmSize": {
+      "value": "Standard_D1_v2"
+    }
+  }
+}

prepare-vms/cards.html

@@ -1,18 +1,18 @@
 {# Feel free to customize or override anything in there! #}
-{%- set url = "http://container.training/" -%}
+{%- set url = "avril2018.container.training" -%}
 {%- set pagesize = 12 -%}
 {%- if clustersize == 1 -%}
-    {%- set workshop_name = "Docker workshop" -%}
-    {%- set cluster_or_machine = "machine" -%}
-    {%- set this_or_each = "this" -%}
-    {%- set machine_is_or_machines_are = "machine is" -%}
+    {%- set workshop_name = "formation" -%}
+    {%- set cluster_or_machine = "votre VM" -%}
+    {%- set machine_is_or_machines_are = "Votre VM" -%}
     {%- set image_src = "https://s3-us-west-2.amazonaws.com/www.breadware.com/integrations/docker.png" -%}
 {%- else -%}
-    {%- set workshop_name = "orchestration workshop" -%}
-    {%- set cluster_or_machine = "cluster" -%}
-    {%- set this_or_each = "each" -%}
-    {%- set machine_is_or_machines_are = "machines are" -%}
-    {%- set image_src = "https://cdn.wp.nginx.com/wp-content/uploads/2016/07/docker-swarm-hero2.png" -%}
+    {%- set workshop_name = "formation" -%}
+    {%- set cluster_or_machine = "votre cluster" -%}
+    {%- set machine_is_or_machines_are = "Votre cluster" -%}
+    {%- set image_src_swarm = "https://cdn.wp.nginx.com/wp-content/uploads/2016/07/docker-swarm-hero2.png" -%}
+    {%- set image_src_kube = "https://avatars1.githubusercontent.com/u/13629408" -%}
+    {%- set image_src = image_src_kube -%}
 {%- endif -%}
 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
 <html>
@@ -73,9 +73,9 @@ img {
     <div>
 
         <p>
-            Here is the connection information to your very own
-            {{ cluster_or_machine }} for this {{ workshop_name }}.
-            You can connect to {{ this_or_each }} VM with any SSH client.
+            Voici les informations pour vous connecter à
+            {{ cluster_or_machine }} pour cette formation.
+            Vous pouvez vous connecter avec n'importe quel client SSH.
         </p>
         <p>
             <img src="{{ image_src }}" />
@@ -88,14 +88,14 @@ img {
 
         </p>
         <p>
-            Your {{ machine_is_or_machines_are }}:
+            {{ machine_is_or_machines_are }} :
             <table>
                 {% for node in cluster %}
                 <tr><td>node{{ loop.index }}:</td><td>{{ node }}</td></tr>
                 {% endfor %}
             </table>
         </p>
-        <p>You can find the slides at:
+        <p>Les slides sont à l'adresse suivante :
             <center>{{ url }}</center>
         </p>
     </div>

prepare-vms/clusters.csv

@@ -0,0 +1,5 @@
+Put your initials in the first column to "claim" a cluster.
+Initials{% for node in clusters[0] %}	node{{ loop.index }}{% endfor %}
+{% for cluster in clusters -%}
+  {%- for node in cluster %}	{{ node|trim }}{% endfor %}
+{% endfor %}

prepare-vms/cncsetup.sh

@@ -0,0 +1,21 @@
+#!/bin/sh
+if [ $(whoami) != ubuntu ]; then
+  echo "This script should be executed on a freshly deployed node,"
+  echo "with the 'ubuntu' user. Aborting."
+  exit 1
+fi
+if id docker; then
+  sudo userdel -r docker
+fi
+pip install --user awscli jinja2 pdfkit
+sudo apt-get install -y wkhtmltopdf xvfb
+tmux new-session \; send-keys "
+[ -f ~/.ssh/id_rsa ] || ssh-keygen
+
+eval \$(ssh-agent)
+ssh-add
+Xvfb :0 &
+export DISPLAY=:0
+mkdir -p ~/www
+sudo docker run -d -p 80:80 -v \$HOME/www:/usr/share/nginx/html nginx
+"

prepare-vms/docker-compose.yml

@@ -15,5 +15,6 @@ services:
             AWS_ACCESS_KEY_ID: ${AWS_ACCESS_KEY_ID}
             AWS_SECRET_ACCESS_KEY: ${AWS_SECRET_ACCESS_KEY}
             AWS_DEFAULT_REGION: ${AWS_DEFAULT_REGION}
+            AWS_INSTANCE_TYPE: ${AWS_INSTANCE_TYPE}
             USER: ${USER}
         entrypoint: /root/prepare-vms/workshopctl

prepare-vms/lib/cli.sh

@@ -2,7 +2,7 @@
 _ERR() {
     error "Command $BASH_COMMAND failed (exit status: $?)"
 }
-set -e
+set -eE
 trap _ERR ERR
 
 die() {

prepare-vms/lib/commands.sh

@@ -39,7 +39,10 @@ _cmd_cards() {
     need_tag $TAG
     need_settings $SETTINGS
 
-    aws_get_instance_ips_by_tag $TAG >tags/$TAG/ips.txt
+    # If you're not using AWS, populate the ips.txt file manually
+    if [ ! -f tags/$TAG/ips.txt ]; then
+      aws_get_instance_ips_by_tag $TAG >tags/$TAG/ips.txt
+    fi
 
     # Remove symlinks to old cards
     rm -f ips.html ips.pdf
@@ -124,27 +127,21 @@ _cmd kube "Setup kubernetes clusters with kubeadm (must be run AFTER deploy)"
 _cmd_kube() {
 
     # Install packages
-    pssh "
+    pssh --timeout 200 "
     curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg |
     sudo apt-key add - &&
     echo deb http://apt.kubernetes.io/ kubernetes-xenial main |
     sudo tee /etc/apt/sources.list.d/kubernetes.list"
-    pssh "
+    pssh --timeout 200 "
     sudo apt-get update -q &&
     sudo apt-get install -qy kubelet kubeadm kubectl
     kubectl completion bash | sudo tee /etc/bash_completion.d/kubectl"
 
-    # Work around https://github.com/kubernetes/kubernetes/issues/53356
-    pssh "
-    if [ ! -f /etc/kubernetes/kubelet.conf ]; then
-        sudo systemctl stop kubelet
-        sudo rm -rf /var/lib/kubelet/pki
-    fi"
-
     # Initialize kube master
-    pssh "
+    pssh --timeout 200 "
     if grep -q node1 /tmp/node && [ ! -f /etc/kubernetes/admin.conf ]; then
-        sudo kubeadm init
+        kubeadm token generate > /tmp/token
+	sudo kubeadm init --token \$(cat /tmp/token)
     fi"
 
     # Put kubeconfig in ubuntu's and docker's accounts
@@ -157,15 +154,6 @@ _cmd_kube() {
         sudo chown -R docker /home/docker/.kube
     fi"
 
-    # Get bootstrap token
-    pssh "
-    if grep -q node1 /tmp/node; then
-        TOKEN_NAME=\$(kubectl -n kube-system get secret -o name | grep bootstrap-token)
-        TOKEN_ID=\$(kubectl -n kube-system get \$TOKEN_NAME -o go-template --template '{{ index .data \"token-id\" }}' | base64 -d)
-        TOKEN_SECRET=\$(kubectl -n kube-system get \$TOKEN_NAME -o go-template --template '{{ index .data \"token-secret\" }}' | base64 -d)
-        echo \$TOKEN_ID.\$TOKEN_SECRET >/tmp/token
-    fi"
-
     # Install weave as the pod network
     pssh "
     if grep -q node1 /tmp/node; then
@@ -174,15 +162,30 @@ _cmd_kube() {
     fi"
 
     # Join the other nodes to the cluster
-    pssh "
+    pssh --timeout 200 "
     if ! grep -q node1 /tmp/node && [ ! -f /etc/kubernetes/kubelet.conf ]; then
         TOKEN=\$(ssh -o StrictHostKeyChecking=no node1 cat /tmp/token)
-        sudo kubeadm join --token \$TOKEN node1:6443
+        sudo kubeadm join --discovery-token-unsafe-skip-ca-verification --token \$TOKEN node1:6443
     fi"
 
     sep "Done"
 }
 
+_cmd kubetest "Check that all notes are reporting as Ready"
+_cmd_kubetest() {
+    # There are way too many backslashes in the command below.
+    # Feel free to make that better ♥
+    pssh "
+    set -e
+    [ -f /tmp/node ]
+    if grep -q node1 /tmp/node; then
+      which kubectl
+      for NODE in \$(awk /\ node/\ {print\ \\\$2} /etc/hosts); do
+        echo \$NODE ; kubectl get nodes | grep -w \$NODE | grep -w Ready
+      done
+    fi"
+}
+
 _cmd ids "List the instance IDs belonging to a given tag or token"
 _cmd_ids() {
     TAG=$1
@@ -280,6 +283,9 @@ _cmd_start() {
     key_name=$(sync_keys)
 
     AMI=$(_cmd_ami)    # Retrieve the AWS image ID
+    if [ -z "$AMI" ]; then
+        die "I could not find which AMI to use in this region. Try another region?"
+    fi
     TOKEN=$(get_token) # generate a timestamp token for this batch of VMs
     AWS_KEY_NAME=$(make_key_name)
 
@@ -292,7 +298,7 @@ _cmd_start() {
     result=$(aws ec2 run-instances \
         --key-name $AWS_KEY_NAME \
         --count $COUNT \
-        --instance-type t2.medium \
+        --instance-type ${AWS_INSTANCE_TYPE-t2.medium} \
         --client-token $TOKEN \
         --image-id $AMI)
     reservation_id=$(echo "$result" | head -1 | awk '{print $2}')
@@ -430,6 +436,7 @@ tag_is_reachable() {
 }
 
 test_tag() {
+    TAG=$1
     ips_file=tags/$TAG/ips.txt
     info "Picking a random IP address in $ips_file to run tests."
     n=$((1 + $RANDOM % $(wc -l <$ips_file)))

prepare-vms/lib/postprep.py

@@ -45,7 +45,7 @@ def system(cmd):
 
 # On EC2, the ephemeral disk might be mounted on /mnt.
 # If /mnt is a mountpoint, place Docker workspace on it.
-system("if mountpoint -q /mnt; then sudo mkdir /mnt/docker && sudo ln -s /mnt/docker /var/lib/docker; fi")
+system("if mountpoint -q /mnt; then sudo mkdir -p /mnt/docker && sudo ln -sfn /mnt/docker /var/lib/docker; fi")
 
 # Put our public IP in /tmp/ipv4
 # ipv4_retrieval_endpoint = "http://169.254.169.254/latest/meta-data/public-ipv4"

prepare-vms/settings/csv.yaml

@@ -0,0 +1,5 @@
+# Number of VMs per cluster
+clustersize: 5
+
+# Jinja2 template to use to generate ready-to-cut cards
+cards_template: clusters.csv

prepare-vms/settings/example.yaml

@@ -0,0 +1,24 @@
+# customize your cluster size, your cards template, and the versions
+
+# Number of VMs per cluster
+clustersize: 5
+
+# Jinja2 template to use to generate ready-to-cut cards
+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
+
+# These correspond to the version numbers visible on their respective GitHub release pages
+compose_version: 1.18.0
+machine_version: 0.13.0

prepare-vms/settings/fundamentals.yaml

@@ -7,7 +7,7 @@ clustersize: 1
 cards_template: cards.html
 
 # Use "Letter" in the US, and "A4" everywhere else
-paper_size: Letter
+paper_size: A4
 
 # Feel free to reduce this if your printer can handle it
 paper_margin: 0.2in
@@ -17,8 +17,8 @@ paper_margin: 0.2in
 # (The equivalent parameters must be set from the browser's print dialog.)
 
 # This can be "test" or "stable"
-engine_version: test
+engine_version: stable
 
 # These correspond to the version numbers visible on their respective GitHub release pages
-compose_version: 1.16.1
-machine_version: 0.12.0
+compose_version: 1.20.1
+machine_version: 0.14.0

prepare-vms/settings/kube101.html

@@ -0,0 +1,106 @@
+{# Feel free to customize or override anything in there! #}
+{%- set url = "http://container.training/" -%}
+{%- set pagesize = 12 -%}
+{%- if clustersize == 1 -%}
+    {%- set workshop_name = "Docker workshop" -%}
+    {%- set cluster_or_machine = "machine" -%}
+    {%- set this_or_each = "this" -%}
+    {%- set machine_is_or_machines_are = "machine is" -%}
+    {%- set image_src = "https://s3-us-west-2.amazonaws.com/www.breadware.com/integrations/docker.png" -%}
+{%- else -%}
+    {%- set workshop_name = "Kubernetes workshop" -%}
+    {%- set cluster_or_machine = "cluster" -%}
+    {%- set this_or_each = "each" -%}
+    {%- set machine_is_or_machines_are = "machines are" -%}
+    {%- set image_src_swarm = "https://cdn.wp.nginx.com/wp-content/uploads/2016/07/docker-swarm-hero2.png" -%}
+    {%- set image_src_kube = "https://avatars1.githubusercontent.com/u/13629408" -%}
+    {%- set image_src = image_src_kube -%}
+{%- endif -%}
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
+<html>
+<head><style>
+body, table {
+    margin: 0;
+    padding: 0;
+    line-height: 1em;
+    font-size: 14px;
+}
+
+table {
+    border-spacing: 0;
+    margin-top: 0.4em;
+    margin-bottom: 0.4em;
+    border-left: 0.8em double grey;
+    padding-left: 0.4em;
+}
+
+div {
+    float: left;
+    border: 1px dotted black;
+    padding-top: 1%;
+    padding-bottom: 1%;
+    /* columns * (width+left+right) < 100% */
+    width: 21.5%;
+    padding-left: 1.5%;
+    padding-right: 1.5%;
+}
+
+p {
+    margin: 0.4em 0 0.4em 0;
+}
+
+img {
+    height: 4em;
+    float: right;
+    margin-right: -0.4em;
+}
+
+.logpass {
+    font-family: monospace;
+    font-weight: bold;
+}
+
+.pagebreak {
+    page-break-after: always;
+    clear: both;
+    display: block;
+    height: 8px;
+}
+</style></head>
+<body>
+{% for cluster in clusters %}
+    {% if loop.index0>0 and loop.index0%pagesize==0 %}
+        <span class="pagebreak"></span>
+    {% endif %}
+    <div>
+
+        <p>
+            Here is the connection information to your very own
+            {{ cluster_or_machine }} for this {{ workshop_name }}.
+            You can connect to {{ this_or_each }} VM with any SSH client.
+        </p>
+        <p>
+            <img src="{{ image_src }}" />
+            <table>
+                <tr><td>login:</td></tr>
+                <tr><td class="logpass">docker</td></tr>
+                <tr><td>password:</td></tr>
+                <tr><td class="logpass">training</td></tr>
+            </table>
+
+        </p>
+        <p>
+            Your {{ machine_is_or_machines_are }}:
+            <table>
+                {% for node in cluster %}
+                <tr><td>node{{ loop.index }}:</td><td>{{ node }}</td></tr>
+                {% endfor %}
+            </table>
+        </p>
+        <p>You can find the slides at:
+            <center>{{ url }}</center>
+        </p>
+    </div>
+{% endfor %}
+</body>
+</html>

prepare-vms/settings/kube101.yaml

@@ -0,0 +1,24 @@
+# 3 nodes for k8s 101 workshops
+
+# Number of VMs per cluster
+clustersize: 3
+
+# Jinja2 template to use to generate ready-to-cut cards
+cards_template: settings/kube101.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: 1.20.1
+machine_version: 0.14.0

prepare-vms/settings/orchestration.yaml

@@ -7,7 +7,7 @@ clustersize: 5
 cards_template: cards.html
 
 # Use "Letter" in the US, and "A4" everywhere else
-paper_size: Letter
+paper_size: A4
 
 # Feel free to reduce this if your printer can handle it
 paper_margin: 0.2in
@@ -17,8 +17,8 @@ paper_margin: 0.2in
 # (The equivalent parameters must be set from the browser's print dialog.)
 
 # This can be "test" or "stable"
-engine_version: test
+engine_version: stable
 
 # These correspond to the version numbers visible on their respective GitHub release pages
-compose_version: 1.16.1
-machine_version: 0.12.0
+compose_version: 1.20.1
+machine_version: 0.14.0

prepare-vms/workshopctl

@@ -38,7 +38,7 @@ check_envvars() {
         if [ -z "${!envvar}" ]; then
             error "Environment variable $envvar is not set."
             if [ "$envvar" = "SSH_AUTH_SOCK" ]; then
-                error "Hint: run '\$(ssh-agent) ; ssh-add' and try again?"
+                error "Hint: run 'eval \$(ssh-agent) ; ssh-add' and try again?"
             fi
             status=1
         fi

slides/appendcheck.py

@@ -0,0 +1,17 @@
+#!/usr/bin/env python
+
+import logging
+import os
+import subprocess
+import sys
+
+logging.basicConfig(level=os.environ.get("LOG_LEVEL", "INFO"))
+
+filename = sys.argv[1]
+
+logging.info("Checking file {}...".format(filename))
+text = subprocess.check_output(["./slidechecker.js", filename])
+html = open(filename).read()
+html = html.replace("</textarea>", "\n---\n```\n{}\n```\n</textarea>".format(text))
+
+open(filename, "w").write(html)

slides/autopilot/autotest.py

@@ -0,0 +1,418 @@
+#!/usr/bin/env python
+# coding: utf-8
+
+import click
+import logging
+import os
+import random
+import re
+import select
+import subprocess
+import sys
+import time
+import uuid
+import yaml
+
+
+logging.basicConfig(level=os.environ.get("LOG_LEVEL", "INFO"))
+
+
+TIMEOUT = 60 # 1 minute
+
+# This one is not a constant. It's an ugly global.
+IPADDR = None
+
+
+class State(object):
+
+    def __init__(self):
+        self.interactive = True
+        self.verify_status = False
+        self.simulate_type = True
+        self.slide = 1
+        self.snippet = 0
+
+    def load(self):
+        data = yaml.load(open("state.yaml"))
+        self.interactive = bool(data["interactive"])
+        self.verify_status = bool(data["verify_status"])
+        self.simulate_type = bool(data["simulate_type"])
+        self.slide = int(data["slide"])
+        self.snippet = int(data["snippet"])
+
+    def save(self):
+        with open("state.yaml", "w") as f:
+            yaml.dump(dict(
+                interactive=self.interactive,
+                verify_status=self.verify_status,
+                simulate_type=self.simulate_type,
+                slide=self.slide,
+                snippet=self.snippet,
+                ), f, default_flow_style=False)
+
+
+state = State()
+
+
+def hrule():
+    return "="*int(subprocess.check_output(["tput", "cols"]))
+
+# A "snippet" is something that the user is supposed to do in the workshop.
+# Most of the "snippets" are shell commands.
+# Some of them can be key strokes or other actions.
+# In the markdown source, they are the code sections (identified by triple-
+# quotes) within .exercise[] sections.
+
+class Snippet(object):
+
+    def __init__(self, slide, content):
+        self.slide = slide
+        self.content = content
+        # Extract the "method" (e.g. bash, keys, ...)
+        # On multi-line snippets, the method is alone on the first line
+        # On single-line snippets, the data follows the method immediately
+        if '\n' in content:
+            self.method, self.data = content.split('\n', 1)
+        else:
+            self.method, self.data = content.split(' ', 1)
+        self.data = self.data.strip()
+        self.next = None
+
+    def __str__(self):
+        return self.content
+
+
+class Slide(object):
+
+    current_slide = 0
+
+    def __init__(self, content):
+        self.number = Slide.current_slide
+        Slide.current_slide += 1
+
+        # Remove commented-out slides
+        # (remark.js considers ??? to be the separator for speaker notes)
+        content = re.split("\n\?\?\?\n", content)[0]
+        self.content = content
+
+        self.snippets = []
+        exercises = re.findall("\.exercise\[(.*)\]", content, re.DOTALL)
+        for exercise in exercises:
+            if "```" in exercise:
+                previous = None
+                for snippet_content in exercise.split("```")[1::2]:
+                    snippet = Snippet(self, snippet_content)
+                    if previous:
+                        previous.next = snippet
+                    previous = snippet
+                    self.snippets.append(snippet)
+            else:
+                logging.warning("Exercise on slide {} does not have any ``` snippet."
+                                .format(self.number))
+                self.debug()
+
+    def __str__(self):
+        text = self.content
+        for snippet in self.snippets:
+            text = text.replace(snippet.content, ansi("7")(snippet.content))
+        return text
+
+    def debug(self):
+        logging.debug("\n{}\n{}\n{}".format(hrule(), self.content, hrule()))
+
+
+def focus_slides():
+    subprocess.check_output(["i3-msg", "workspace", "3"])
+    subprocess.check_output(["i3-msg", "workspace", "1"])
+
+def focus_terminal():
+    subprocess.check_output(["i3-msg", "workspace", "2"])
+    subprocess.check_output(["i3-msg", "workspace", "1"])
+
+def focus_browser():
+    subprocess.check_output(["i3-msg", "workspace", "4"])
+    subprocess.check_output(["i3-msg", "workspace", "1"])
+
+
+def ansi(code):
+    return lambda s: "\x1b[{}m{}\x1b[0m".format(code, s)
+
+
+# Sleeps the indicated delay, but interruptible by pressing ENTER.
+# If interrupted, returns True.
+def interruptible_sleep(t):
+    rfds, _, _ = select.select([0], [], [], t)
+    return 0 in rfds
+
+
+def wait_for_string(s, timeout=TIMEOUT):
+    logging.debug("Waiting for string: {}".format(s))
+    deadline = time.time() + timeout
+    while time.time() < deadline:
+        output = capture_pane()
+        if s in output:
+            return
+        if interruptible_sleep(1): return
+    raise Exception("Timed out while waiting for {}!".format(s))
+
+
+def wait_for_prompt():
+    logging.debug("Waiting for prompt.")
+    deadline = time.time() + TIMEOUT
+    while time.time() < deadline:
+        output = capture_pane()
+        # If we are not at the bottom of the screen, there will be a bunch of extra \n's
+        output = output.rstrip('\n')
+        last_line = output.split('\n')[-1]
+        # Our custom prompt on the VMs has two lines; the 2nd line is just '$'
+        if last_line == "$":
+            # This is a perfect opportunity to grab the node's IP address
+            global IPADDR
+            IPADDR = re.findall("^\[(.*)\]", output, re.MULTILINE)[-1]
+            return
+        # When we are in an alpine container, the prompt will be "/ #"
+        if last_line == "/ #":
+            return
+        # We did not recognize a known prompt; wait a bit and check again
+        logging.debug("Could not find a known prompt on last line: {!r}"
+                      .format(last_line))
+        if interruptible_sleep(1): return
+    raise Exception("Timed out while waiting for prompt!")
+
+
+def check_exit_status():
+    if not state.verify_status:
+        return
+    token = uuid.uuid4().hex
+    data = "echo {} $?\n".format(token)
+    logging.debug("Sending {!r} to get exit status.".format(data))
+    send_keys(data)
+    time.sleep(0.5)
+    wait_for_prompt()
+    screen = capture_pane()
+    status = re.findall("\n{} ([0-9]+)\n".format(token), screen, re.MULTILINE)
+    logging.debug("Got exit status: {}.".format(status))
+    if len(status) == 0:
+        raise Exception("Couldn't retrieve status code {}. Timed out?".format(token))
+    if len(status) > 1:
+        raise Exception("More than one status code {}. I'm seeing double! Shoot them both.".format(token))
+    code = int(status[0])
+    if code != 0:
+        raise Exception("Non-zero exit status: {}.".format(code))
+    # Otherwise just return peacefully.
+
+
+def setup_tmux_and_ssh():
+    if subprocess.call(["tmux", "has-session"]):
+        logging.error("Couldn't connect to tmux. Please setup tmux first.")
+        ipaddr = open("../../prepare-vms/ips.txt").read().split("\n")[0]
+        uid = os.getuid()
+
+        raise Exception("""
+1. If you're running this directly from a node:
+
+tmux
+
+2. If you want to control a remote 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
+
+3. If you cannot control a remote tmux:
+
+tmux new-session ssh docker@{ipaddr}
+""".format(uid=uid, ipaddr=ipaddr))
+    else:
+        logging.info("Found tmux session. Trying to acquire shell prompt.")
+        wait_for_prompt()
+    logging.info("Successfully connected to test cluster in tmux session.")
+
+
+slides = [Slide("Dummy slide zero")]
+content = open(sys.argv[1]).read()
+
+# OK, this part is definitely hackish, and will break if the
+# excludedClasses parameter is not on a single line.
+excluded_classes = re.findall("excludedClasses: (\[.*\])", content)
+excluded_classes = set(eval(excluded_classes[0]))
+
+for slide in re.split("\n---?\n", content):
+    slide_classes = re.findall("class: (.*)", slide)
+    if slide_classes:
+        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.")
+        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')
+
+
+setup_tmux_and_ssh()
+
+
+try:
+    state.load()
+    logging.info("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.)
+    state.interactive = True
+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):
+        state.slide += 1
+        state.snippet = 0
+    check_bounds()
+
+
+def move_backward():
+    state.snippet -= 1
+    if state.snippet < 0:
+        state.slide -= 1
+        state.snippet = 0
+    check_bounds()
+
+
+def check_bounds():
+    if state.slide < 1:
+        state.slide = 1
+    if state.slide >= len(slides):
+        state.slide = len(slides)-1
+
+
+while True:
+    state.save()
+    slide = slides[state.slide]
+    snippet = slide.snippets[state.snippet-1] if state.snippet else None
+    click.clear()
+    print("[Slide {}/{}] [Snippet {}/{}] [simulate_type:{}] [verify_status:{}]"
+          .format(state.slide, len(slides)-1,
+                  state.snippet, len(slide.snippets) if slide.snippets else 0,
+                  state.simulate_type, state.verify_status))
+    print(hrule())
+    if snippet:
+        print(slide.content.replace(snippet.content, ansi(7)(snippet.content)))
+        focus_terminal()
+    else:
+        print(slide.content)
+        subprocess.check_output(["./gotoslide.js", str(slide.number)])
+        focus_slides()
+    print(hrule())
+    if state.interactive:
+        print("y/⎵/⏎   Execute snippet or advance to next snippet")
+        print("p/←     Previous")
+        print("n/→     Next")
+        print("s       Simulate keystrokes")
+        print("v       Validate exit status")
+        print("g       Go to a specific slide")
+        print("q       Quit")
+        print("c       Continue non-interactively until next error")
+        command = click.getchar()
+    else:
+        command = "y"
+
+    if command in ("n", "\x1b[C"):
+        move_forward()
+    elif command in ("p", "\x1b[D"):
+        move_backward()
+    elif command == "s":
+        state.simulate_type = not state.simulate_type
+    elif command == "v":
+        state.verify_status = not state.verify_status
+    elif command == "g":
+        state.slide = click.prompt("Enter slide number", type=int)
+        state.snippet = 0
+        check_bounds()
+    elif command == "q":
+        break
+    elif command == "c":
+        # continue until next timeout
+        state.interactive = False
+    elif command in ("y", "\r", " "):
+        if not snippet:
+            # Advance to next snippet
+            # Advance until a slide that has snippets
+            while not slides[state.slide].snippets:
+                move_forward()
+                # But stop if we reach the last slide
+                if state.slide == len(slides)-1:
+                    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":
+            # 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
+            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/autopilot/gotoslide.js

@@ -0,0 +1,17 @@
+#!/usr/bin/env node
+
+/* Expects a slide number as first argument.
+ * Will connect to the local pub/sub server,
+ * and issue a "go to slide X" command, which
+ * will be sent to all connected browsers.
+ */
+
+var io = require('socket.io-client');
+var socket = io('http://localhost:3000');
+socket.on('connect_error', function(){ 
+  console.log('connection error');
+  socket.close();
+});
+socket.emit('slide change', process.argv[2], function(){
+  socket.close();
+});

slides/autopilot/package-lock.json

@@ -0,0 +1,603 @@
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+  "name": "container-training-pub-sub-server",
+  "version": "0.0.1",
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+}

slides/autopilot/package.json

@@ -0,0 +1,8 @@
+{
+  "name": "container-training-pub-sub-server",
+  "version": "0.0.1",
+  "dependencies": {
+    "express": "^4.16.2",
+    "socket.io": "^2.0.4"
+  }
+}

slides/autopilot/remote.js

@@ -0,0 +1,21 @@
+/* This snippet is loaded from the workshop HTML file.
+ * It sets up callbacks to synchronize the local slide
+ * number with the remote pub/sub server.
+ */
+
+var socket = io();
+var leader = true;
+
+slideshow.on('showSlide', function (slide) {
+  if (leader) {
+    var n = slide.getSlideIndex()+1;
+    socket.emit('slide change', n);
+  }
+});
+
+socket.on('slide change', function (n) {
+  leader = false;
+  slideshow.gotoSlide(n);
+  leader = true;
+});
+

slides/autopilot/server.js

@@ -0,0 +1,41 @@
+#!/usr/bin/env node
+
+/* This is a very simple pub/sub server, allowing to
+ * remote control browsers displaying the slides.
+ * The browsers connect to this pub/sub server using
+ * Socket.IO, and the server tells them which slides
+ * to display.
+ *
+ * The server can be controlled with a little CLI,
+ * or by one of the browsers.
+ */
+
+var express = require('express');
+var app = express();
+var http = require('http').Server(app);
+var io = require('socket.io')(http);
+
+app.get('/', function(req, res){
+  res.send('container.training autopilot pub/sub server');
+});
+
+/* Serve remote.js from the current directory */
+app.use(express.static('.'));
+
+/* Serve slides etc. from current and the parent directory */
+app.use(express.static('..'));
+
+io.on('connection', function(socket){
+  console.log('a client connected: ' + socket.handshake.address);
+  socket.on('slide change', function(n, ack){
+    console.log('slide change: ' + n);
+    socket.broadcast.emit('slide change', n);
+    if (typeof ack === 'function') {
+      ack();
+    }
+  });
+});
+
+http.listen(3000, function(){
+  console.log('listening on *:3000');
+});

slides/autopilot/tmux-style.sh

@@ -0,0 +1,7 @@
+#!/bin/sh
+# This removes the clock (and other extraneous stuff) from the
+# tmux status bar, and it gives it a non-default color.
+tmux set-option -g status-left ""
+tmux set-option -g status-right ""
+tmux set-option -g status-style bg=cyan
+

slides/build.sh

@@ -2,11 +2,16 @@
 case "$1" in
 once)
   for YAML in *.yml; do
-    ./markmaker.py < $YAML > $YAML.html || { 
+    ./markmaker.py $YAML > $YAML.html || { 
       rm $YAML.html
       break
     }
   done
+  if [ -n "$SLIDECHECKER" ]; then
+    for YAML in *.yml; do
+      ./appendcheck.py $YAML.html
+    done
+  fi
   ;;
 
 forever)

slides/common/about-slides.md

@@ -0,0 +1,48 @@
+## About these slides
+
+- All the content is available in a public GitHub repository:
+
+  https://github.com/jpetazzo/container.training
+
+- You can get updated "builds" of the slides there:
+
+  http://container.training/
+
+<!--
+.exercise[
+```open https://github.com/jpetazzo/container.training```
+```open http://container.training/```
+]
+-->
+
+--
+
+- Typos? Mistakes? Questions? Feel free to hover over the bottom of the slide ...
+
+.footnote[.emoji[👇] Try it! The source file will be shown and you can view it on GitHub and fork and edit it.]
+
+<!--
+.exercise[
+```open https://github.com/jpetazzo/container.training/tree/master/slides/common/about-slides.md```
+]
+-->
+
+---
+
+class: extra-details
+
+## Extra details
+
+- This slide has a little magnifying glass in the top left corner
+
+- This magnifiying glass indicates slides that provide extra details
+
+- Feel free to skip them if:
+
+  - you are in a hurry
+
+  - you are new to this and want to avoid cognitive overload
+
+  - you want only the most essential information
+
+- You can review these slides another time if you want, they'll be waiting for you ☺

slides/common/composedown.md

@@ -0,0 +1,12 @@
+## Clean up
+
+- Before moving on, let's remove those containers
+
+.exercise[
+
+- Tell Compose to remove everything:
+  ```bash
+  docker-compose down
+  ```
+
+]

slides/common/composescale.md

@@ -0,0 +1,240 @@
+## Restarting in the background
+
+- Many flags and commands of Compose are modeled after those of `docker`
+
+.exercise[
+
+- Start the app in the background with the `-d` option:
+  ```bash
+  docker-compose up -d
+  ```
+
+- Check that our app is running with the `ps` command:
+  ```bash
+  docker-compose ps
+  ```
+
+]
+
+`docker-compose ps` also shows the ports exposed by the application.
+
+---
+
+class: extra-details
+
+## Viewing logs
+
+- The `docker-compose logs` command works like `docker logs`
+
+.exercise[
+
+- View all logs since container creation and exit when done:
+  ```bash
+  docker-compose logs
+  ```
+
+- Stream container logs, starting at the last 10 lines for each container:
+  ```bash
+  docker-compose logs --tail 10 --follow
+  ```
+
+<!--
+```wait units of work done```
+```keys ^C```
+-->
+
+]
+
+Tip: use `^S` and `^Q` to pause/resume log output.
+
+---
+
+class: extra-details
+
+## Upgrading from Compose 1.6
+
+.warning[The `logs` command has changed between Compose 1.6 and 1.7!]
+
+- Up to 1.6
+
+  - `docker-compose logs` is the equivalent of `logs --follow`
+
+  - `docker-compose logs` must be restarted if containers are added
+
+- Since 1.7
+
+  - `--follow` must be specified explicitly
+
+  - new containers are automatically picked up by `docker-compose logs`
+
+---
+
+## Scaling up the application
+
+- Our goal is to make that performance graph go up (without changing a line of code!)
+
+--
+
+- Before trying to scale the application, we'll figure out if we need more resources
+
+  (CPU, RAM...)
+
+- For that, we will use good old UNIX tools on our Docker node
+
+---
+
+## Looking at resource usage
+
+- Let's look at CPU, memory, and I/O usage
+
+.exercise[
+
+- run `top` to see CPU and memory usage (you should see idle cycles)
+
+<!--
+```bash top```
+
+```wait Tasks```
+```keys ^C```
+-->
+
+- run `vmstat 1` to see I/O usage (si/so/bi/bo)
+  <br/>(the 4 numbers should be almost zero, except `bo` for logging)
+
+<!--
+```bash vmstat 1```
+
+```wait memory```
+```keys ^C```
+-->
+
+]
+
+We have available resources.
+
+- Why?
+- How can we use them?
+
+---
+
+## Scaling workers on a single node
+
+- Docker Compose supports scaling
+- Let's scale `worker` and see what happens!
+
+.exercise[
+
+- Start one more `worker` container:
+  ```bash
+  docker-compose scale worker=2
+  ```
+
+- Look at the performance graph (it should show a x2 improvement)
+
+- Look at the aggregated logs of our containers (`worker_2` should show up)
+
+- Look at the impact on CPU load with e.g. top (it should be negligible)
+
+]
+
+---
+
+## Adding more workers
+
+- Great, let's add more workers and call it a day, then!
+
+.exercise[
+
+- Start eight more `worker` containers:
+  ```bash
+  docker-compose scale worker=10
+  ```
+
+- Look at the performance graph: does it show a x10 improvement?
+
+- Look at the aggregated logs of our containers
+
+- Look at the impact on CPU load and memory usage
+
+]
+
+---
+
+# Identifying bottlenecks
+
+- You should have seen a 3x speed bump (not 10x)
+
+- Adding workers didn't result in linear improvement
+
+- *Something else* is slowing us down
+
+--
+
+- ... But what?
+
+--
+
+- The code doesn't have instrumentation
+
+- Let's use state-of-the-art HTTP performance analysis!
+  <br/>(i.e. good old tools like `ab`, `httping`...)
+
+---
+
+## Accessing internal services
+
+- `rng` and `hasher` are exposed on ports 8001 and 8002
+
+- This is declared in the Compose file:
+
+  ```yaml
+    ...
+    rng:
+      build: rng
+      ports:
+      - "8001:80"
+
+    hasher:
+      build: hasher
+      ports:
+      - "8002:80"
+    ...
+  ```
+
+---
+
+## Measuring latency under load
+
+We will use `httping`.
+
+.exercise[
+
+- Check the latency of `rng`:
+  ```bash
+  httping -c 3 localhost:8001
+  ```
+
+- Check the latency of `hasher`:
+  ```bash
+  httping -c 3 localhost:8002
+  ```
+
+]
+
+`rng` has a much higher latency than `hasher`.
+
+---
+
+## Let's draw hasty conclusions
+
+- The bottleneck seems to be `rng`
+
+- *What if* we don't have enough entropy and can't generate enough random numbers?
+
+- We need to scale out the `rng` service on multiple machines!
+
+Note: this is a fiction! We have enough entropy. But we need a pretext to scale out.
+
+(In fact, the code of `rng` uses `/dev/urandom`, which never runs out of entropy...
+<br/>
+...and is [just as good as `/dev/random`](http://www.slideshare.net/PacSecJP/filippo-plain-simple-reality-of-entropy).)

slides/common/declarative.md

@@ -0,0 +1,63 @@
+# Declarative vs imperative
+
+- Our container orchestrator puts a very strong emphasis on being *declarative*
+
+- Declarative:
+
+  *I would like a cup of tea.*
+
+- Imperative:
+
+  *Boil some water. Pour it in a teapot. Add tea leaves. Steep for a while. Serve in a cup.*
+
+--
+
+- Declarative seems simpler at first ... 
+
+--
+
+- ... As long as you know how to brew tea
+
+---
+
+## Declarative vs imperative
+
+- What declarative would really be:
+
+  *I want a cup of tea, obtained by pouring an infusion¹ of tea leaves in a cup.*
+
+--
+
+  *¹An infusion is obtained by letting the object steep a few minutes in hot² water.*
+
+--
+
+  *²Hot liquid is obtained by pouring it in an appropriate container³ and setting it on a stove.*
+
+--
+
+  *³Ah, finally, containers! Something we know about. Let's get to work, shall we?*
+
+--
+
+.footnote[Did you know there was an [ISO standard](https://en.wikipedia.org/wiki/ISO_3103)
+specifying how to brew tea?]
+
+---
+
+## Declarative vs imperative
+
+- Imperative systems:
+
+  - simpler
+
+  - if a task is interrupted, we have to restart from scratch
+
+- Declarative systems:
+
+  - if a task is interrupted (or if we show up to the party half-way through),
+    we can figure out what's missing and do only what's necessary
+
+  - we need to be able to *observe* the system
+
+  - ... and compute a "diff" between *what we have* and *what we want*

slides/common/prereqs.md

@@ -0,0 +1,309 @@
+# Pre-requirements
+
+- Be comfortable with the UNIX command line
+
+  - navigating directories
+
+  - editing files
+
+  - a little bit of bash-fu (environment variables, loops)
+
+- Some Docker knowledge
+
+  - `docker run`, `docker ps`, `docker build`
+
+  - ideally, you know how to write a Dockerfile and build it
+    <br/>
+    (even if it's a `FROM` line and a couple of `RUN` commands)
+
+- It's totally OK if you are not a Docker expert!
+
+---
+
+class: title
+
+*Tell me and I forget.*
+<br/>
+*Teach me and I remember.*
+<br/>
+*Involve me and I learn.*
+
+Misattributed to Benjamin Franklin
+
+[(Probably inspired by Chinese Confucian philosopher Xunzi)](https://www.barrypopik.com/index.php/new_york_city/entry/tell_me_and_i_forget_teach_me_and_i_may_remember_involve_me_and_i_will_lear/)
+
+---
+
+## Hands-on sections
+
+- The whole workshop is hands-on
+
+- We are going to build, ship, and run containers!
+
+- You are invited to reproduce all the demos
+
+- All hands-on sections are clearly identified, like the gray rectangle below
+
+.exercise[
+
+- This is the stuff you're supposed to do!
+
+- Go to [container.training](http://container.training/) to view these slides
+
+- Join the chat room: @@CHAT@@
+
+<!-- ```open http://container.training/``` -->
+
+]
+
+---
+
+class: in-person
+
+## Where are we going to run our containers?
+
+---
+
+class: in-person, pic
+
+![You get a cluster](images/you-get-a-cluster.jpg)
+
+---
+
+class: in-person
+
+## You get a cluster of cloud VMs
+
+- Each person gets a private cluster of cloud VMs (not shared with anybody else)
+
+- They'll remain up for the duration of the workshop
+
+- You should have a little card with login+password+IP addresses
+
+- You can automatically SSH from one VM to another
+
+- The nodes have aliases: `node1`, `node2`, etc.
+
+---
+
+class: in-person
+
+## Why don't we run containers locally?
+
+- Installing that stuff can be hard on some machines
+
+  (32 bits CPU or OS... Laptops without administrator access... etc.)
+
+- *"The whole team downloaded all these container images from the WiFi!
+  <br/>... and it went great!"* (Literally no-one ever)
+
+- All you need is a computer (or even a phone or tablet!), with:
+
+  - an internet connection
+
+  - a web browser
+
+  - an SSH client
+
+---
+
+class: in-person
+
+## SSH clients
+
+- On Linux, OS X, FreeBSD... you are probably all set
+
+- On Windows, get one of these:
+
+  - [putty](http://www.putty.org/)
+  - Microsoft [Win32 OpenSSH](https://github.com/PowerShell/Win32-OpenSSH/wiki/Install-Win32-OpenSSH)
+  - [Git BASH](https://git-for-windows.github.io/)
+  - [MobaXterm](http://mobaxterm.mobatek.net/)
+
+- On Android, [JuiceSSH](https://juicessh.com/)
+  ([Play Store](https://play.google.com/store/apps/details?id=com.sonelli.juicessh))
+  works pretty well
+
+- Nice-to-have: [Mosh](https://mosh.org/) instead of SSH, if your internet connection tends to lose packets
+
+---
+
+class: in-person, extra-details
+
+## What is this Mosh thing?
+
+*You don't have to use Mosh or even know about it to follow along.
+<br/>
+We're just telling you about it because some of us think it's cool!*
+
+- Mosh is "the mobile shell"
+
+- It is essentially SSH over UDP, with roaming features
+
+- It retransmits packets quickly, so it works great even on lossy connections
+
+  (Like hotel or conference WiFi)
+
+- It has intelligent local echo, so it works great even in high-latency connections
+
+  (Like hotel or conference WiFi)
+
+- It supports transparent roaming when your client IP address changes
+
+  (Like when you hop from hotel to conference WiFi)
+
+---
+
+class: in-person, extra-details
+
+## Using Mosh
+
+- To install it: `(apt|yum|brew) install mosh`
+
+- It has been pre-installed on the VMs that we are using
+
+- To connect to a remote machine: `mosh user@host`
+
+  (It is going to establish an SSH connection, then hand off to UDP)
+
+- It requires UDP ports to be open
+
+  (By default, it uses a UDP port between 60000 and 61000)
+
+---
+
+class: in-person
+
+## Connecting to our lab environment
+
+.exercise[
+
+- Log into the first VM (`node1`) with your SSH client
+
+<!--
+```bash
+for N in $(awk '/\Wnode/{print $2}' /etc/hosts); do
+  ssh -o StrictHostKeyChecking=no $N true
+done
+```
+
+```bash
+if which kubectl; then
+  kubectl get all -o name | grep -v service/kubernetes | xargs -n1 kubectl delete
+fi
+```
+-->
+
+- Check that you can SSH (without password) to `node2`:
+  ```bash
+  ssh node2
+  ```
+- Type `exit` or `^D` to come back to `node1`
+
+<!-- ```bash exit``` -->
+
+]
+
+If anything goes wrong — ask for help!
+
+---
+
+## Doing or re-doing the workshop on your own?
+
+- Use something like
+  [Play-With-Docker](http://play-with-docker.com/) or
+  [Play-With-Kubernetes](https://medium.com/@marcosnils/introducing-pwk-play-with-k8s-159fcfeb787b)
+
+  Zero setup effort; but environment are short-lived and
+  might have limited resources
+
+- Create your own cluster (local or cloud VMs)
+
+  Small setup effort; small cost; flexible environments
+
+- Create a bunch of clusters for you and your friends
+    ([instructions](https://github.com/jpetazzo/container.training/tree/master/prepare-vms))
+
+  Bigger setup effort; ideal for group training
+
+---
+
+class: self-paced
+
+## Get your own Docker nodes
+
+- If you already have some Docker nodes: great!
+
+- If not: let's get some thanks to Play-With-Docker
+
+.exercise[
+
+- Go to http://www.play-with-docker.com/
+
+- Log in
+
+- Create your first node
+
+<!-- ```open http://www.play-with-docker.com/``` -->
+
+]
+
+You will need a Docker ID to use Play-With-Docker.
+
+(Creating a Docker ID is free.)
+
+---
+
+## We will (mostly) interact with node1 only
+
+*These remarks apply only when using multiple nodes, of course.*
+
+- Unless instructed, **all commands must be run from the first VM, `node1`**
+
+- We will only checkout/copy the code on `node1`
+
+- During normal operations, we do not need access to the other nodes
+
+- If we had to troubleshoot issues, we would use a combination of:
+
+  - SSH (to access system logs, daemon status...)
+  
+  - Docker API (to check running containers and container engine status)
+
+---
+
+## Terminals
+
+Once in a while, the instructions will say:
+<br/>"Open a new terminal."
+
+There are multiple ways to do this:
+
+- create a new window or tab on your machine, and SSH into the VM;
+
+- use screen or tmux on the VM and open a new window from there.
+
+You are welcome to use the method that you feel the most comfortable with.
+
+---
+
+## Tmux cheatsheet
+
+[Tmux](https://en.wikipedia.org/wiki/Tmux) is a terminal multiplexer like `screen`.
+
+*You don't have to use it or even know about it to follow along.
+<br/>
+But some of us like to use it to switch between terminals.
+<br/>
+It has been preinstalled on your workshop nodes.*
+
+- Ctrl-b c → creates a new window
+- Ctrl-b n → go to next window
+- Ctrl-b p → go to previous window
+- Ctrl-b " → split window top/bottom
+- Ctrl-b % → split window left/right
+- Ctrl-b Alt-1 → rearrange windows in columns
+- Ctrl-b Alt-2 → rearrange windows in rows
+- Ctrl-b arrows → navigate to other windows
+- Ctrl-b d → detach session
+- tmux attach → reattach to session

slides/common/pwd.md

@@ -0,0 +1,19 @@
+## Using Play-With-Docker
+
+- Open a new browser tab to [www.play-with-docker.com](http://www.play-with-docker.com/)
+
+- Confirm that you're not a robot
+
+- Click on "ADD NEW INSTANCE": congratulations, you have your first Docker node!
+
+- When you will need more nodes, just click on "ADD NEW INSTANCE" again
+
+- Note the countdown in the corner; when it expires, your instances are destroyed
+
+- If you give your URL to somebody else, they can access your nodes too
+  <br/>
+  (You can use that for pair programming, or to get help from a mentor)
+
+- Loving it? Not loving it? Tell it to the wonderful authors,
+  [@marcosnils](https://twitter.com/marcosnils) &
+  [@xetorthio](https://twitter.com/xetorthio)!

slides/common/sampleapp.md

@@ -1,16 +1,71 @@
 # Our sample application
 
+- We will clone the GitHub repository onto our `node1`
+
+- The repository also contains scripts and tools that we will use through the workshop
+
+.exercise[
+
+<!--
+```bash
+if [ -d container.training ]; then
+  mv container.training container.training.$$
+fi
+```
+-->
+
+- Clone the repository on `node1`:
+  ```bash
+  git clone git://github.com/jpetazzo/container.training
+  ```
+
+]
+
+(You can also fork the repository on GitHub and clone your fork if you prefer that.)
+
+---
+
+## Downloading and running the application
+
+Let's start this before we look around, as downloading will take a little time...
+
+.exercise[
+
+- Go to the `dockercoins` directory, in the cloned repo:
+  ```bash
+  cd ~/container.training/dockercoins
+  ```
+
+- Use Compose to build and run all containers:
+  ```bash
+  docker-compose up
+  ```
+
+<!--
+```longwait units of work done```
+-->
+
+]
+
+Compose tells Docker to build all container images (pulling
+the corresponding base images), then starts all containers,
+and displays aggregated logs.
+
+---
+
+## More detail on our sample application
+
 - Visit the GitHub repository with all the materials of this workshop:
-  <br/>https://github.com/jpetazzo/orchestration-workshop
+  <br/>https://github.com/jpetazzo/container.training
 
 - The application is in the [dockercoins](
-  https://github.com/jpetazzo/orchestration-workshop/tree/master/dockercoins)
+  https://github.com/jpetazzo/container.training/tree/master/dockercoins)
   subdirectory
 
 - Let's look at the general layout of the source code:
 
   there is a Compose file [docker-compose.yml](
-  https://github.com/jpetazzo/orchestration-workshop/blob/master/dockercoins/docker-compose.yml) ...
+  https://github.com/jpetazzo/container.training/blob/master/dockercoins/docker-compose.yml) ...
 
   ... and 4 other services, each in its own directory:
 
@@ -39,6 +94,43 @@ class: extra-details
 
 ---
 
+## Service discovery in container-land
+
+- We do not hard-code IP addresses in the code
+
+- We do not hard-code FQDN in the code, either
+
+- We just connect to a service name, and container-magic does the rest
+
+  (And by container-magic, we mean "a crafty, dynamic, embedded DNS server")
+
+---
+
+## Example in `worker/worker.py`
+
+```python
+redis = Redis("`redis`")
+
+
+def get_random_bytes():
+    r = requests.get("http://`rng`/32")
+    return r.content
+
+
+def hash_bytes(data):
+    r = requests.post("http://`hasher`/",
+                      data=data,
+                      headers={"Content-Type": "application/octet-stream"})
+```
+
+(Full source code available [here](
+https://github.com/jpetazzo/container.training/blob/8279a3bce9398f7c1a53bdd95187c53eda4e6435/dockercoins/worker/worker.py#L17
+))
+
+---
+
+class: extra-details
+
 ## Links, naming, and service discovery
 
 - Containers can have network aliases (resolvable through DNS)
@@ -47,37 +139,21 @@ class: extra-details
 
 - Compose file version 1 did require "links" sections
 
-- Our code can connect to services using their short name
-
-  (instead of e.g. IP address or FQDN)
-
 - Network aliases are automatically namespaced
 
-  (i.e. you can have multiple apps declaring and using a service named `database`)
+  - you can have multiple apps declaring and using a service named `database`
 
----
+  - containers in the blue app will resolve `database` to the IP of the blue database
 
-## Example in `worker/worker.py`
-
-![Service discovery](images/service-discovery.png)
+  - containers in the green app will resolve `database` to the IP of the green database
 
 ---
 
 ## What's this application?
 
----
+--
 
-class: pic
-
-![DockerCoins logo](images/dockercoins.png)
-
-(DockerCoins 2016 logo courtesy of [@XtlCnslt](https://twitter.com/xtlcnslt) and [@ndeloof](https://twitter.com/ndeloof). Thanks!)
-
----
-
-## What's this application?
-
-- It is a DockerCoin miner! 💰🐳📦🚢
+- It is a DockerCoin miner! .emoji[💰🐳📦🚢]
 
 --
 
@@ -99,156 +175,22 @@ class: pic
 
 ---
 
-## Getting the application source code
+## Our application at work
 
-- We will clone the GitHub repository
+- On the left-hand side, the "rainbow strip" shows the container names
 
-- The repository also contains scripts and tools that we will use through the workshop
-
-.exercise[
-
-<!--
-```bash
-if [ -d orchestration-workshop ]; then
-  mv orchestration-workshop orchestration-workshop.$$
-fi
-```
--->
-
-- Clone the repository on `node1`:
-  ```bash
-  git clone git://github.com/jpetazzo/orchestration-workshop
-  ```
-
-]
-
-(You can also fork the repository on GitHub and clone your fork if you prefer that.)
-
----
-
-# Running the application
-
-Without further ado, let's start our application.
-
-.exercise[
-
-- Go to the `dockercoins` directory, in the cloned repo:
-  ```bash
-  cd ~/orchestration-workshop/dockercoins
-  ```
-
-- Use Compose to build and run all containers:
-  ```bash
-  docker-compose up
-  ```
-
-<!--
-```wait units of work done```
-```keys ^C```
--->
-
-]
-
-Compose tells Docker to build all container images (pulling
-the corresponding base images), then starts all containers,
-and displays aggregated logs.
-
----
-
-## Lots of logs
-
-- The application continuously generates logs
+- On the right-hand side, we see the output of our containers
 
 - We can see the `worker` service making requests to `rng` and `hasher`
 
-- Let's put that in the background
-
-.exercise[
-
-- Stop the application by hitting `^C`
-
-]
-
-- `^C` stops all containers by sending them the `TERM` signal
-
-- Some containers exit immediately, others take longer
-  <br/>(because they don't handle `SIGTERM` and end up being killed after a 10s timeout)
-
----
-
-## Restarting in the background
-
-- Many flags and commands of Compose are modeled after those of `docker`
-
-.exercise[
-
-- Start the app in the background with the `-d` option:
-  ```bash
-  docker-compose up -d
-  ```
-
-- Check that our app is running with the `ps` command:
-  ```bash
-  docker-compose ps
-  ```
-
-]
-
-`docker-compose ps` also shows the ports exposed by the application.
-
----
-
-class: extra-details
-
-## Viewing logs
-
-- The `docker-compose logs` command works like `docker logs`
-
-.exercise[
-
-- View all logs since container creation and exit when done:
-  ```bash
-  docker-compose logs
-  ```
-
-- Stream container logs, starting at the last 10 lines for each container:
-  ```bash
-  docker-compose logs --tail 10 --follow
-  ```
-
-<!--
-```wait units of work done```
-```keys ^C```
--->
-
-]
-
-Tip: use `^S` and `^Q` to pause/resume log output.
-
----
-
-class: extra-details
-
-## Upgrading from Compose 1.6
-
-.warning[The `logs` command has changed between Compose 1.6 and 1.7!]
-
-- Up to 1.6
-
-  - `docker-compose logs` is the equivalent of `logs --follow`
-
-  - `docker-compose logs` must be restarted if containers are added
-
-- Since 1.7
-
-  - `--follow` must be specified explicitly
-
-  - new containers are automatically picked up by `docker-compose logs`
+- For `rng` and `hasher`, we see HTTP access logs
 
 ---
 
 ## Connecting to the web UI
 
+- "Logs are exciting and fun!" (No-one, ever)
+
 - The `webui` container exposes a web dashboard; let's view it
 
 .exercise[
@@ -263,11 +205,31 @@ class: extra-details
 
 ]
 
-You should see a speed of approximately 4 hashes/second.
+A drawing area should show up, and after a few seconds, a blue
+graph will appear.
 
-More precisely: 4 hashes/second, with regular dips down to zero.
-<br/>This is because Jérôme is incapable of writing good frontend code.
-<br/>Don't ask. Seriously, don't ask. This is embarrassing.
+---
+
+class: self-paced, extra-details
+
+## If the graph doesn't load
+
+If you just see a `Page not found` error, it might be because your
+Docker Engine is running on a different machine. This can be the case if:
+
+- you are using the Docker Toolbox
+
+- you are using a VM (local or remote) created with Docker Machine
+
+- you are controlling a remote Docker Engine
+
+When you run DockerCoins in development mode, the web UI static files
+are mapped to the container using a volume. Alas, volumes can only
+work on a local environment, or when using Docker4Mac or Docker4Windows.
+
+How to fix this?
+
+Stop the app with `^C`, edit `dockercoins.yml`, comment out the `volumes` section, and try again.
 
 ---
 
@@ -275,203 +237,67 @@ class: extra-details
 
 ## Why does the speed seem irregular?
 
+- It *looks like* the speed is approximately 4 hashes/second
+
+- Or more precisely: 4 hashes/second, with regular dips down to zero
+
+- Why?
+
+--
+
+class: extra-details
+
 - The app actually has a constant, steady speed: 3.33 hashes/second
   <br/>
   (which corresponds to 1 hash every 0.3 seconds, for *reasons*)
 
+- Yes, and?
+
+---
+
+class: extra-details
+
+## The reason why this graph is *not awesome*
+
 - The worker doesn't update the counter after every loop, but up to once per second
 
 - The speed is computed by the browser, checking the counter about once per second
 
 - Between two consecutive updates, the counter will increase either by 4, or by 0
 
-- The perceived speed will therefore be 4 - 4 - 4 - 0 - 4 - 4 - etc.
+- The perceived speed will therefore be 4 - 4 - 4 - 0 - 4 - 4 - 0 etc.
 
-*We told you to not ask!!!*
-
----
-
-## Scaling up the application
-
-- Our goal is to make that performance graph go up (without changing a line of code!)
+- What can we conclude from this?
 
 --
 
-- Before trying to scale the application, we'll figure out if we need more resources
+class: extra-details
 
-  (CPU, RAM...)
-
-- For that, we will use good old UNIX tools on our Docker node
+- "I'm clearly incapable of writing good frontend code!" 😀 — Jérôme
 
 ---
 
-## Looking at resource usage
+## Stopping the application
 
-- Let's look at CPU, memory, and I/O usage
+- If we interrupt Compose (with `^C`), it will politely ask the Docker Engine to stop the app
+
+- The Docker Engine will send a `TERM` signal to the containers
+
+- If the containers do not exit in a timely manner, the Engine sends a `KILL` signal
 
 .exercise[
 
-- run `top` to see CPU and memory usage (you should see idle cycles)
+- Stop the application by hitting `^C`
 
 <!--
-```bash top```
-
-```wait Tasks```
-```keys ^C```
--->
-
-- run `vmstat 1` to see I/O usage (si/so/bi/bo)
-  <br/>(the 4 numbers should be almost zero, except `bo` for logging)
-
-<!--
-```bash vmstat 1```
-
-```wait memory```
 ```keys ^C```
 -->
 
 ]
 
-We have available resources.
-
-- Why?
-- How can we use them?
-
----
-
-## Scaling workers on a single node
-
-- Docker Compose supports scaling
-- Let's scale `worker` and see what happens!
-
-.exercise[
-
-- Start one more `worker` container:
-  ```bash
-  docker-compose scale worker=2
-  ```
-
-- Look at the performance graph (it should show a x2 improvement)
-
-- Look at the aggregated logs of our containers (`worker_2` should show up)
-
-- Look at the impact on CPU load with e.g. top (it should be negligible)
-
-]
-
----
-
-## Adding more workers
-
-- Great, let's add more workers and call it a day, then!
-
-.exercise[
-
-- Start eight more `worker` containers:
-  ```bash
-  docker-compose scale worker=10
-  ```
-
-- Look at the performance graph: does it show a x10 improvement?
-
-- Look at the aggregated logs of our containers
-
-- Look at the impact on CPU load and memory usage
-
-]
-
----
-
-# Identifying bottlenecks
-
-- You should have seen a 3x speed bump (not 10x)
-
-- Adding workers didn't result in linear improvement
-
-- *Something else* is slowing us down
-
 --
 
-- ... But what?
+Some containers exit immediately, others take longer.
 
---
+The containers that do not handle `SIGTERM` end up being killed after a 10s timeout. If we are very impatient, we can hit `^C` a second time!
 
-- The code doesn't have instrumentation
-
-- Let's use state-of-the-art HTTP performance analysis!
-  <br/>(i.e. good old tools like `ab`, `httping`...)
-
----
-
-## Accessing internal services
-
-- `rng` and `hasher` are exposed on ports 8001 and 8002
-
-- This is declared in the Compose file:
-
-  ```yaml
-    ...
-    rng:
-      build: rng
-      ports:
-      - "8001:80"
-
-    hasher:
-      build: hasher
-      ports:
-      - "8002:80"
-    ...
-  ```
-
----
-
-## Measuring latency under load
-
-We will use `httping`.
-
-.exercise[
-
-- Check the latency of `rng`:
-  ```bash
-  httping -c 10 localhost:8001
-  ```
-
-- Check the latency of `hasher`:
-  ```bash
-  httping -c 10 localhost:8002
-  ```
-
-]
-
-`rng` has a much higher latency than `hasher`.
-
----
-
-## Let's draw hasty conclusions
-
-- The bottleneck seems to be `rng`
-
-- *What if* we don't have enough entropy and can't generate enough random numbers?
-
-- We need to scale out the `rng` service on multiple machines!
-
-Note: this is a fiction! We have enough entropy. But we need a pretext to scale out.
-
-(In fact, the code of `rng` uses `/dev/urandom`, which never runs out of entropy...
-<br/>
-...and is [just as good as `/dev/random`](http://www.slideshare.net/PacSecJP/filippo-plain-simple-reality-of-entropy).)
-
----
-
-## Clean up
-
-- Before moving on, let's remove those containers
-
-.exercise[
-
-- Tell Compose to remove everything:
-  ```bash
-  docker-compose down
-  ```
-
-]

slides/common/thankyou.md

@@ -0,0 +1,11 @@
+class: title, self-paced
+
+Thank you!
+
+---
+
+class: title, in-person
+
+That's all, folks! <br/> Questions?
+
+![end](images/end.jpg)

slides/common/title.md

@@ -0,0 +1,19 @@
+class: title, self-paced
+
+@@TITLE@@
+
+.nav[*Self-paced version*]
+
+---
+
+class: title, in-person
+
+@@TITLE@@<br/></br>
+
+.footnote[
+**WiFI: `ArtyLoft`** ou **`ArtyLoft 5 GHz`**
+<br/>
+**Mot de passe: `TFLEVENT5`**
+
+**Slides: http://avril2018.container.training/**
+]

slides/common/toc.md

@@ -0,0 +1,4 @@
+
+@@TOC@@
+
+

slides/dockercon.yml

@@ -1,182 +0,0 @@
-chat: "[Slack](https://dockercommunity.slack.com/messages/C7ET1GY4Q)"
-
-exclude:
-- self-paced
-- snap
-- auto-btp
-- benchmarking
-- elk-manual
-- prom-manual
-
-title: "Swarm: from Zero to Hero (DC17EU)"
-chapters:
-- |
-  class: title
-
-  .small[
-
-  Swarm: from Zero to Hero
-
-  .small[.small[
-
-  **Be kind to the WiFi!**
-
-  *Use the 5G network*
-  <br/>
-  *Don't use your hotspot*
-  <br/>
-  *Don't stream videos from YouTube, Netflix, etc.
-  <br/>(if you're bored, watch local content instead)*
-
-  Also: share the power outlets
-  <br/>
-  *(with limited power comes limited responsibility?)*
-  <br/>
-  *(or something?)*
-
-  Thank you!
-
-  ]
-  ]
-  ]
-
-  ---
-
-  ## Intros
- 
-  <!--
-  - Hello! We are
-    AJ ([@s0ulshake](https://twitter.com/s0ulshake))
-    &
-    Jérôme ([@jpetazzo](https://twitter.com/jpetazzo))
-  -->
-
-  - Hello! We are Jérôme, Lee, Nicholas, and Scott
-
-  <!--
-    I am
-    Jérôme ([@jpetazzo](https://twitter.com/jpetazzo))
-  -->
-
-  --
-
-  - This is our collective Docker knowledge:
-
-    ![Bell Curve](images/bell-curve.jpg)
-
-  ---
-
-  ## "From zero to hero"
-
-  --
-
-  - It rhymes, but it's a pretty bad title, to be honest
-
-  --
-  
-  - None of you is a "zero"
-
-  --
-  
-  - None of us is a "hero"
-
-  --
-  
-  - None of us should even try to be a hero
-
-  --
-  
-    *The hero syndrome is a phenomenon affecting people who seek heroism or recognition,
-    usually by creating a desperate situation which they can resolve.
-    This can include unlawful acts, such as arson.
-    The phenomenon has been noted to affect civil servants,
-    such as firefighters, nurses, police officers, and security guards.*
-
-    (Wikipedia page on [hero syndrome](https://en.wikipedia.org/wiki/Hero_syndrome))
-
-  ---
-
-  ## Agenda
-
-  .small[
-  - 09:00-09:10 Hello!
-  - 09:10-10:30 Part 1
-  - 10:30-11:00 coffee break
-  - 11:00-12:30 Part 2
-  - 12:30-13:30 lunch break
-  - 13:30-15:00 Part 3
-  - 15:00-15:30 coffee break
-  - 15:30-17:00 Part 4
-  - 17:00-18:00 Afterhours and Q&A
-  ]
-
-  <!--
-  - The tutorial will run from 9:00am to 12:20pm
-
-  - This will be fast-paced, but DON'T PANIC!
-
-  - There will be a coffee break at 10:30am
-    <br/>
-    (please remind me if I forget about it!)
-  -->
-
-  - All the content is publicly available (slides, code samples, scripts)
-
-    Upstream URL: https://github.com/jpetazzo/orchestration-workshop
-
-  - Feel free to interrupt for questions at any time
-
-  - Live feedback, questions, help on [Gitter](chat)
-
-    http://container.training/chat
-
-- swarm/intro.md
-- |
-  @@TOC@@
-- - swarm/prereqs.md
-  - swarm/versions.md
-  - |
-    class: title
-
-    All right!
-    <br/>
-    We're all set.
-    <br/>
-    Let's do this.
-  - common/sampleapp.md
-  - swarm/swarmkit.md
-  - swarm/creatingswarm.md
-  - swarm/morenodes.md
-- - swarm/firstservice.md
-  - swarm/ourapponswarm.md
-  - swarm/updatingservices.md
-  - swarm/healthchecks.md
-- - swarm/operatingswarm.md
-  - swarm/netshoot.md
-  - swarm/ipsec.md
-  - swarm/swarmtools.md
-  - swarm/security.md
-  - swarm/secrets.md
-  - swarm/encryptionatrest.md
-  - swarm/leastprivilege.md
-  - swarm/apiscope.md
-- - swarm/logging.md
-  - swarm/metrics.md
-  - swarm/stateful.md
-  - swarm/extratips.md
-  - swarm/end.md
-- |
-  class: title
-
-  That's all folks! <br/> Questions?
-
-  .small[.small[
-
-  Jérôme ([@jpetazzo](https://twitter.com/jpetazzo)) — [@docker](https://twitter.com/docker)
-
-  ]]
-
-  <!--
-  Tiffany ([@tiffanyfayj](https://twitter.com/tiffanyfayj))
-  AJ ([@s0ulshake](https://twitter.com/s0ulshake))
-  -->

slides/find-non-ascii.sh

@@ -0,0 +1,2 @@
+#!/bin/sh
+grep --color=auto -P -n "[^\x00-\x80]" */*.md

slides/generate-chapter-sizes.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+INPUT=$1
+
+{
+  echo "# Front matter"
+  cat "$INPUT"
+} | 
+  grep -e "^# " -e ^---$ | uniq -c | 
+  sed "s/^ *//" | sed s/---// | 
+  paste -d "\t" - - 

slides/images/docker-con-15-logo.svg

@@ -0,0 +1,213 @@
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slides/index.html

@@ -1,29 +1,29 @@
-<ul style="font-size:2em;">
-<li>
-LISA17 M7: Getting Started with Docker and Containers
-<a href="intro.yml.html">(slides)</a>
-<a href="https://gitter.im/jpetazzo/workshop-20171030-sanfrancisco">(chat)</a>
-</li>
-<li>
-LISA17 T9: Build, Ship, and Run Microservices on a Docker Swarm Cluster
-<a href="lisa.yml.html">(slides)</a>
-<a href="https://gitter.im/jpetazzo/workshop-20171031-sanfrancisco">(chat)</a>
-</li>
-<li>
-Deploying and scaling microservices with Docker and Kubernetes
-<a href="kube.yml.html">(slides)</a>
-<a href="https://gitter.im/jpetazzo/workshop-20171026-prague">(chat)</a>
-</li>
-<li>
-DockerCon Workshop: from Zero to Hero (full day, B3 M1-2)
-<a href="dockercon.yml.html">(slides)</a>
-</li>
-<li>
-DockerCon Workshop: Orchestration for Advanced Users (afternoon, B4 M5-6)
-<a href="https://www.bretfisher.com/dockercon17eu/">(slides)</a>
-</li>
-<li>
-Self-paced Workshop: Orchestrating Microservices with Docker and Swarm
-<a href="selfpaced.yml.html">(slides)</a>
-</li>
-</ul>
+<html>
+<head>
+<link rel="stylesheet" type="text/css" href="theme.css">
+<title>Formation/workshop containers, orchestration, et Kubernetes à Paris en avril</title>
+</head>
+<body>
+<div class="index">
+<div class="block">
+<h4>Introduction aux conteneurs</h4>
+<h5>De la pratique … aux bonnes pratiques</h5>
+<h6>(11-12 avril 2018)</h6>
+<p>
+<a href="intro.yml.html">SLIDES</a>
+<a href="https://gitter.im/jpetazzo/training-20180411-paris">CHATROOM</a>
+</p>
+</div>
+<div class="block">
+<h4>Introduction à l'orchestration</h4>
+<h5>Kubernetes par l'exemple</h5>
+<h6>(13 avril 2018)</h6>
+<p>
+<a href="kube.yml.html">SLIDES</a>
+<a href="https://gitter.im/jpetazzo/training-20180413-paris">CHATROOM</a>
+<a href="https://docs.google.com/spreadsheets/d/1KiuCVduTf3wf-4-vSmcK96I61WYdDP0BppkOx_XZcjM/edit?ts=5acfc2ef#gid=0">FOODMENU</a>
+</p>
+</div>
+</div>
+</body>
+</html>

slides/interstitials.txt

@@ -0,0 +1,15 @@
+https://gallant-turing-d0d520.netlify.com/containers/Container-Ship-Freighter-Navigation-Elbe-Romance-1782991.jpg
+https://gallant-turing-d0d520.netlify.com/containers/ShippingContainerSFBay.jpg
+https://gallant-turing-d0d520.netlify.com/containers/aerial-view-of-containers.jpg
+https://gallant-turing-d0d520.netlify.com/containers/blue-containers.jpg
+https://gallant-turing-d0d520.netlify.com/containers/chinook-helicopter-container.jpg
+https://gallant-turing-d0d520.netlify.com/containers/container-cranes.jpg
+https://gallant-turing-d0d520.netlify.com/containers/container-housing.jpg
+https://gallant-turing-d0d520.netlify.com/containers/containers-by-the-water.jpg
+https://gallant-turing-d0d520.netlify.com/containers/distillery-containers.jpg
+https://gallant-turing-d0d520.netlify.com/containers/lots-of-containers.jpg
+https://gallant-turing-d0d520.netlify.com/containers/plastic-containers.JPG
+https://gallant-turing-d0d520.netlify.com/containers/train-of-containers-1.jpg
+https://gallant-turing-d0d520.netlify.com/containers/train-of-containers-2.jpg
+https://gallant-turing-d0d520.netlify.com/containers/two-containers-on-a-truck.jpg
+https://gallant-turing-d0d520.netlify.com/containers/wall-of-containers.jpeg

slides/intro-fullday.yml

@@ -0,0 +1,56 @@
+title: |
+  Introduction
+  to Containers
+
+#chat: "[Slack](https://dockercommunity.slack.com/messages/C7GKACWDV)"
+chat: "[Gitter](https://gitter.im/jpetazzo/training-20180411-paris)"
+
+exclude:
+- self-paced
+
+chapters:
+- common/title.md
+- logistics.md
+- intro/intro.md
+- common/about-slides.md
+- common/toc.md
+- - intro/Docker_Overview.md
+  - intro/Docker_History.md
+  - intro/Training_Environment.md
+  - intro/Installing_Docker.md
+- - intro/First_Containers.md
+  - intro/Background_Containers.md
+  - intro/Start_And_Attach.md
+  - intro/Initial_Images.md
+- - intro/Building_Images_Interactively.md
+  - intro/Building_Images_With_Dockerfiles.md
+  - intro/Cmd_And_Entrypoint.md
+  - intro/Copying_Files_During_Build.md
+  - intro/Multi_Stage_Builds.md
+  - intro/Publishing_To_Docker_Hub.md
+  - intro/Dockerfile_Tips.md
+- - intro/Naming_And_Inspecting.md
+  - intro/Labels.md
+  - intro/Getting_Inside.md
+  - intro/Container_Networking_Basics.md
+  - intro/Network_Drivers.md
+  - intro/Container_Network_Model.md
+  #- intro/Connecting_Containers_With_Links.md
+  - intro/Ambassadors.md
+- - intro/Local_Development_Workflow.md
+  - intro/Working_With_Volumes.md
+  - intro/Compose_For_Dev_Stacks.md
+  - intro/Docker_Machine.md
+- - intro/CI_Pipeline.md
+  - intro/Advanced_Dockerfiles.md
+  - intro/Application_Configuration.md
+  - intro/Dockerfile_Samples.md
+  - intro/Logging.md
+- - intro/Namespaces_Cgroups.md
+  - intro/Copy_On_Write.md
+  #- intro/Containers_From_Scratch.md
+- - intro/Container_Engines.md
+  - intro/Ecosystem.md
+  - intro/Orchestration_Overview.md
+  - common/thankyou.md
+  - intro/links.md