openstack
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tripleo-heat-templates
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Merge "Clarify the at most once semantics for puppets"

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Zuul 2019-08-16 01:40:16 +00:00 committed by Gerrit Code Review
parent 2f175c8830 4eb6fcdcab
commit 785c696328
1 changed files with 12 additions and 6 deletions
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18
deployment/README.rst
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@ -78,7 +78,9 @@ are available for containerized services.
* docker_config: Data that is passed to paunch tool to configure
a container, or step of containers at each step. See the available steps
documented below which are implemented by TripleO's cluster deployment
architecture.
architecture. If you want the tasks executed only once for the bootstrap
node per a role in the cluster, use the `/usr/bin/bootstrap_host_exec`
wrapper.
* puppet_config: This section is a nested set of key value pairs
that drive the creation of config files using puppet.
@ -105,11 +107,15 @@ are available for containerized services.
this container.
* container_puppet_tasks: This section provides data to drive the
container-puppet.py tool directly. The task is executed only once
within the cluster (not on each node) and is useful for several
puppet snippets we require for initialization of things like
keystone endpoints, database users, etc. See container-puppet.py
for formatting.
container-puppet.py tool directly. The task is executed for the
defined steps before the corresponding docker_config's step. Puppet
always sees the step number overrided as the step #6. It might be useful
for initialization of things. See container-puppet.py for formatting.
Note that the tasks are executed only once for the bootstrap node per a
role in the cluster. Make sure the puppet manifest ensures the wanted
"at most once" semantics. That may be achieved via the
`<service_name>_short_bootstrap_node_name` hiera parameters automatically
evaluated for each service.
* global_config_settings: the hiera keys will be distributed to all roles