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add documentation for dynamically generated cosmos-modules.conf

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Fredrik Thulin 2023-01-19 17:56:51 +01:00
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38
docs/cosmos-puppet-ops.mkd
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@ -337,30 +337,30 @@ gpg commands to create, sign and push the correct tag.
Puppet modules
--------------
Puppet modules can be maintained using a designated cosmos pre-task that reads a file
global/overlay/etc/puppet/cosmos-modules.conf. This file is a simple text-format file
with 3 columns:
Puppet modules can be maintained using a designated cosmos pre-task that reads the file
/etc/puppet/cosmos-modules.conf. This file is a simple text-format file
with either three (for puppetlabs modules) or four columns:
```
#
# name source (puppetlabs fq name or git url) upgrade (yes/no)
# name source (puppetlabs fq name or git url) upgrade (yes/no) tag_pattern
#
concat puppetlabs/concat no
stdlib puppetlabs/stdlib no
cosmos https://github.com/SUNET/puppet-cosmos.git yes
ufw https://github.com/SUNET/puppet-module-ufw.git yes
apt puppetlabs/apt no
concat puppetlabs/concat no
cosmos https://github.com/SUNET/puppet-cosmos.git yes sunet-2*
#golang elithrar/golang yes
python https://github.com/SUNET/puppet-python.git yes sunet-2*
stdlib puppetlabs/stdlib no
ufw https://github.com/SUNET/puppet-module-ufw.git yes sunet-2*
vcsrepo puppetlabs/vcsrepo no
xinetd puppetlabs/xinetd no
#golang elithrar/golang yes
python https://github.com/SUNET/puppet-python.git yes
hiera-gpg https://github.com/SUNET/hiera-gpg.git no
```
This is an example file - the first field is the name of the module, the second is
the source: either a puppetlabs path or a git URL. The final field is 'yes' if the
module should be automatically updated or 'no' if it should only be installed. As usual
lines beginning with '#' are silently ignored.
the source: either a puppetlabs path or a git URL. The third field is 'yes' if the
module should be automatically updated or 'no' if it should only be installed. The
fourth field is a tag pattern to use (same style as the cosmos tag pattern).
As usual lines beginning with '#' are silently ignored.
This file is processed in a cosmos pre-hook so the modules should be available for
use in the puppet post-hook. By default the file contains several lines that are
@ -370,6 +370,16 @@ In order to add a new module, the best way is to commit a change to this file an
tag this change, allowing time for the module to get installed everywhere before
adding a change that relies on this module.
As there might be a need to use different sets of modules (or different tag patterns)
on different hosts in an ops-repo, the contents of this file can be controlled in
different ways:
1. If the file is present in the model, it is used as such.
2. If there is a script called /etc/puppet/setup_cosmos_modules, that script is executed.
If the file /etc/puppet/cosmos-modules.conf does not exist after this script runs,
proceed to step 3, otherwise use this dynamically generated list of modules.
3. Use a (very small) default set of modules from the pre-hook global/post-tasks.d/010cosmos-modules.
HOWTO and Common Tasks
======================

1
global/post-tasks.d/010cosmos-modules
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@ -35,4 +35,5 @@ concat puppetlabs/concat yes
stdlib puppetlabs/stdlib yes
#ufw attachmentgenie/ufw yes
#apt puppetlabs/apt yes
#cosmos https://github.com/SUNET/puppet-cosmos.git yes
EOF