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Quickstart Table of Contents

Install

Source Code

Clone all repositories

git clone https://github.com/ProboCI/probo.git
git clone https://github.com/ProboCI/probo-asset-receiver.git
git clone https://github.com/ProboCI/probo-loom.git
git clone https://github.com/ProboCI/probo-proxy.git

Install Dependencies

Node.js

Probo requires io.js, or node 4.x or greater.

Docker

wget -qO- https://get.docker.com/ | sudo sh

Ensure Probo's base docker image is installed on your system

docker pull proboci/ubuntu-14.04-lamp

Setup

Deployment

Several components of the system require full DNS names to function properly and cannot be addressed at localhost. For this tutorial, we assume that the server your install is running on is publically routable on the probo.domain.com domain, and that all services are directly accessible on their ports as well (such as http://probo.domain.com:3020).

In order to view the results of the builds ensure that *.probo.domain.com is also pointing to your server.

Note that this configuration is suitable for development, but do NOT use for production. Reverse-proxying and SSL configuration are out of scope for this document.

Github Handler

The Github Handler (GHH) processes Github hook events each time a pull request is created or updated. It then triggers builds through the Container Manager. The Github Handler also sends commit status updates back to Github.

It is implemented as a plugin of the probo repository.

cd probo
npm install

Configure

Create a file ggh.yaml with the follwing contents:

# Port for the server to listen on
port: 3010
hostname: 0.0.0.0

# Github hook and credentials
githubWebhookPath: '/github-webhook'
githubWebhookSecret: 'CHANGE-ME'
githubAPIToken: 'personal token here'

# Container Manager API server
api:
  url: "http://localhost:3020"

Of the defaults above, githubAPIToken must be set to your token. You can generate a personal token at [https://github.com/settings/tokens]. A token created from an OAuth flow will also work here. Probo requires the repo scope.

The githubWebhookSecret value should be modified to a secure string as well.

Run

node ./bin/probo github-handler -c ghh.yaml

Now add a webhook for your repository in Github to your server under Settings -> Webhooks & services. Direct link to the configuration page: https://github.com/OWNER/REPO/settings/hooks.

Set the following properties:

Payload URL: http://probo.domain.com:3010/github-webhook
Secret: CHANGE-ME (or your value from `githubWebhookSecret` in the config file)

Next, under "Which events would you like to trigger this webhook?", select "Let me select individual events", and select "Pull Request"

If you see a green checkmark next to your new webhook, you're all set. Github can succesfully send requests to your handler.

Container Manager

The Container Manager (CM) manages docker containers and kicks off builds.

It is implemented as a plugin of the probo repository.

cd probo
npm install

Configure

Create a file cm.yaml with the follwing contents:

# container manager config file

hostname: localhost
port: 3020
# name of the instance used in status updates
instanceName: 'ProboCI-local'

# Github Handler server
api:
  url: "http://localhost:3010"

# Loom (log aggregator server)
loom:
  url: "http://localhost:3060"

# asset server (must NOT be localhost because it's called from within a container)
assets:
  url: "http://probo.domain.com:3070"

# URL template string for viewing each build. {{buildId}} expands to the id of the build.
buildUrl: "http://{{buildId}}.probo.domain.com:3050/"

The defaults above are fine for a basic setup. However, make sure to modify the domain in buildUrl to match your setup.

Run

node ./bin/probo container-manager -c cm.yaml

Build Proxy

The build proxy maps an external host/port to a build container's port 80 to view the built web application.

cd probo-proxy
npm install

Configure

Create a file proxy.yaml with the follwing contents:

# port that the proxy server is running on
port: 3050

# Host for the container lookup service that maps a build id to a host/port to proxy to
containerLookupHost: "http://localhost:3020"

Ensure that containerLookupHost matches the URL of your Container Manager instance.

Run

node ./index.js -c proxy.yaml

Loom

Loom is the task output aggregation service that records and plays back live log streams. Loom currently requires RethinkDB as a backing store.

cd probo-loom
npm install

Configure

The default config works well for a development setup.

Run

node ./index.js

Loom comes with a handy spy tool that streams all live logs in one place. You can use it to view live output from your build tasks.

Spy

npm run spy

Build Config

Probo runs builds based on a /.probo.yaml file found in the root of your repository. You can task the Container Manager to run any number of build steps. Each step is a runnable plugin, and will get a status update sent to Github for the commit.

When the build runs, your source code for the commit that triggered the build is automatically available to you in the $SRC_DIR directory inside the container.

Sample .probo.yaml file:

# Each step is the build/test process
# the name of each step is the build context, and will get its own status updates
steps:
  - name: Look Around
    plugin: 'Shell'  # this is the default plugin
    command: "ls $SRC_DIR"  
  - name: Create Site
    command: "drush fec myrepo --json-config='{\"settings_php.snippets\": []}'"

See the Drupal Bear repository for a full example.