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Diffstat (limited to 'playbooks/openstack/advanced-configuration.md')
| -rw-r--r-- | playbooks/openstack/advanced-configuration.md | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/playbooks/openstack/advanced-configuration.md b/playbooks/openstack/advanced-configuration.md index fee402b32..788a74f45 100644 --- a/playbooks/openstack/advanced-configuration.md +++ b/playbooks/openstack/advanced-configuration.md @@ -273,9 +273,33 @@ openshift_openstack_cluster_node_labels: mylabel: myvalue ``` -`openshift_openstack_provision_user_commands` allows users to execute -additional post-provisioning commands for all of the created Nova servers in -the Heat stack. It configures the `runcmd` directive via cloud-init. +`openshift_openstack_cloud_init_runcmd` allows users to execute +shell commands via cloud-init for all of the created Nova servers in +the Heat stack, before they are available for SSH connections. +Note that you should better off using custom ansible playbooks whenever +possible, like this `provision_install_custom.yml` example playbook: +``` +- import_playbook: openshift-ansible/playbooks/openstack/openshift-cluster/provision.yml + +- name: My custom actions + hosts: cluster_hosts + tasks: + - do whatever you want here + +- import_playbook: openshift-ansible/playbooks/openstack/openshift-cluster/install.yml +``` +The playbook leverages a two existing provider interfaces: `provision.yml` and +`install.yml`. For some cases, like SSH keys configuration and coordinated reboots of +servers, the cloud-init runcmd directive may be a better choice though. User specified +shell commands for cloud-init need to be lists, for example: +``` +- openshift_openstack_cloud_init_runcmd: + - ['echo', 'foo'] + - ['reboot'] +``` +The commands should not use JSON escaped characters: `> < & '`. So the command +`['foo', '>', '"bar"', '<', "'baz'", "&"]` is a bad one, while +`['echo', '"${HOME}"']` is OK. The `openshift_openstack_nodes_to_remove` allows you to specify the numerical indexes of App nodes that should be removed; for example, ['0', '2'], |