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docker2host (1) Versions 0.0.1

docker2host

Berkshelf/Librarian
Policyfile
Knife
cookbook 'docker2host', '~> 0.0.1'
cookbook 'docker2host', '~> 0.0.1', :supermarket
knife cookbook site install docker2host
knife cookbook site download docker2host
README
Dependencies
Quality

docker2host

Simple cookbook to run an application from a Docker image NOT using the Docker daemon, chroot or systemd-nspawn instead.

Usage

Create a recipe setting the attributes:

node.set[:docker2host][:registry] = "myregistry.local/" # leave empty for Docker Hub
node.set[:docker2host][:name] = "myhack"
node.set[:docker2host][:image] = "lorieri/myhack"
node.set[:docker2host][:version] = "v3"
node.set[:docker2host][:env] = [
            "PORT=5000",
            "HOME=/app",
            "MEMPORT=11211",
            "DBHOST=mydb.local",
            "DB=mydb",
            "DBPASS=pass",
            "DBUSER=root",
            "MEMHOST=mymemcached.local"
    ]
node.set[:docker2host][:user] = "slug"
node.set[:docker2host][:initcmd] = "/bin/sh -c '. /environment-core ; . /environment ; /runner/init start web'"
node.set[:docker2host][:extramounts] = ["/dev","/sys"]

Then include the chroot or systemd-nspawn recipe (pick one, don't use both):

# for systemd-nspawn ...
include_recipe "docker2host::systemd"

# ... or chroot
include_recipe "docker2host::chroot"

Settings

  • registry: Docker registry repository url ending with /, or leave empty for Docker Hub
  • name: a name for your 'service'
  • image: Docker image name
  • version: Docker image version
  • env: list of the environment variables, docker inspect --format='{{.Config.Env}}'
  • user: user to run the 'initcmd', docker inspect --format='{{.Config.User}}'
  • initcmd: a command line combining WorkingDir, Entrypoint, CMD and the load of the environment files created by this cookbook in the root of your 'service' (/environment and /environment-core)
  • extramounts: list of extra mounts necessary for your image to run, ie: ["/dev","/sys"]

Systemd-nspawn

To check the status of your systemd-nspawn container use:

$ sudo machinectl list
$ sudo machinectl show {name}

To start, stop or check the status using systemd:

$ sudo systemctl status docker2host-{name}
$ sudo systemctl stop docker2host-{name}
$ sudo systemctl start docker2host-{name}

Chroot

For chroot the cookbook provides /etc/init.d script that suports start, stop and status

$ sudo /etc/init.d/docker2host-{name} status
$ sudo /etc/init.d/docker2host-{name} stop
$ sudo /etc/init.d/docker2host-{name} start

Dependent cookbooks

docker >= 0.0.0

Contingent cookbooks

There are no cookbooks that are contingent upon this one.

Collaborator Number Metric
            

0.0.1 failed this metric

Failure: Cookbook has 0 collaborators. A cookbook must have at least 2 collaborators to pass this metric.

Contributing File Metric
            

0.0.1 failed this metric

Failure: To pass this metric, your cookbook metadata must include a source url, the source url must be in the form of https://github.com/user/repo, and your repo must contain a CONTRIBUTING.md file

Foodcritic Metric
            

0.0.1 failed this metric

FC064: Ensure issues_url is set in metadata: docker2host/metadata.rb:1
FC065: Ensure source_url is set in metadata: docker2host/metadata.rb:1
FC066: Ensure chef_version is set in metadata: docker2host/metadata.rb:1
FC069: Ensure standardized license defined in metadata: docker2host/metadata.rb:1
Run with Foodcritic Version 11.1.0 with tags metadata,correctness ~FC031 ~FC045 and failure tags any

License Metric
            

0.0.1 passed this metric

No Binaries Metric
            

0.0.1 passed this metric

Publish Metric
            

0.0.1 passed this metric

Supported Platforms Metric
            

0.0.1 passed this metric

Testing File Metric
            

0.0.1 failed this metric

Failure: To pass this metric, your cookbook metadata must include a source url, the source url must be in the form of https://github.com/user/repo, and your repo must contain a TESTING.md file

Version Tag Metric
            

0.0.1 failed this metric

Failure: To pass this metric, your cookbook metadata must include a source url, the source url must be in the form of https://github.com/user/repo, and your repo must include a tag that matches this cookbook version number