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related
cheat-sheet
Ansible
Chef
Puppet

Classical Automation Tools

Framework DSL Push/Pull CM CM Encryption Drift Management Job Scheduling Orchestration
Ansible Propietary Push Built-in Built-in ? Ansible Tower Ansible Tower
cfengine Propietary Push/Pull ? ? ? Enterprise Only ?
Puppet Ruby Push/Pull Hiera Hiera Eyaml Foreman, PuppetDB, Polscan Puppet Enterprise Puppet Enterprise, mcollective
Chef Ruby Push/Pull Builtin Builtin - Pushy, (knife plugin + ZeroMQ) %
Saltstack Python Push Builtin Builtin ? salt-run Saltstack Enterprise

Smaller automation tools

  • Bcfg2: Alternative to puppet and cfengine by Argonne National Laboratory. (IMO out-dated)
  • cdist: configuration with shell scripting
  • EMC UIM
    • Unified Infrastructure Manager, VCE VBlock (enterprise, commercial)
  • slaughter (Perl, active, small user base)
  • Sprinkle (Ruby, quite recent)
  • Rundeck - Workflow manager for node - role systems like EC2, chef, puppet ...
  • IBM Tivoli

Finally it is worth to check the Wikipedia Comparison Chart for other less known and new tools!

Automation Drift Management

Testing

Misc

  • Augeas: Very flexible file editor to be used with Puppet or standalone. Could also work with cfengine.

    $ augtool
augtool> set /files/etc/ssh/sshd_config/PermitRootLogin no
augtool> save

  • cfengine - Force running shortly after a recent execution

    cfagent -K

  • cfengine - Design Center: Git repository with sketches and examples for cfengine.

  • cfengine - Find and install sketches from the Design Center repository

    # cf-sketch --search utilities
Monitoring::nagios_plugin_agent /tmp/design-center/sketches/utilities/nagios_plugin_agent
[...]
# cf-sketch --install Monitoring::nagios_plugin_agent

  • SaltStack - Run commands

    salt '*' cmd.run 'apt-get install bash'

  • SaltStack - Batch concurrency

    salt '*' state.highstate -b <count>

  • osquery - Facebook SQL facter

    echo "SELECT * FROM etc_hosts;" | osqueryi

$ osqueryi
osquery> SELECT
    ...> u.username,
    ...> g.groupname
    ...> FROM users as u
    ...> JOIN groups as g ON u.gid = g.gid;