From 51b2ebf46694e0dc51ef56985a54112ed3933017 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?L=C3=A9na=C3=AFc=20Huard?= Date: Wed, 23 Mar 2016 14:39:22 +0100 Subject: Enable Ansible ssh pipelining to speedup deployment https://docs.ansible.com/ansible/intro_configuration.html#pipelining --- bin/cluster | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'bin/cluster') diff --git a/bin/cluster b/bin/cluster index ecb8bc58e..fcab685ef 100755 --- a/bin/cluster +++ b/bin/cluster @@ -34,6 +34,8 @@ class Cluster(object): os.environ['ANSIBLE_HOST_KEY_CHECKING'] = 'False' # TODO: A more secure way to proceed would consist in dynamically # retrieving the ssh host public keys from the IaaS interface + if 'ANSIBLE_SSH_PIPELINING' not in os.environ: + os.environ['ANSIBLE_SSH_PIPELINING'] = 'True' def get_deployment_type(self, args): """ @@ -284,7 +286,20 @@ if __name__ == '__main__': cluster = Cluster() parser = argparse.ArgumentParser( + formatter_class=argparse.RawDescriptionHelpFormatter, description='Python wrapper to ensure proper configuration for OpenShift ansible playbooks', + epilog='''\ +This wrapper is overriding the following ansible variables: + + * ANSIBLE_SSH_ARGS: + If not set in the environment, this wrapper will use the following value: + `-o ForwardAgent=yes -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o ControlMaster=auto -o ControlPersist=600s` + If set in the environment, the environment variable value is left untouched and used. + + * ANSIBLE_SSH_PIPELINING: + If not set in the environment, this wrapper will set it to `True`. + If you experience issue with Ansible ssh pipelining, you can disable it by explicitely set this environment variable to `False`. +''' ) parser.add_argument('-v', '--verbose', action='count', help='Multiple -v options increase the verbosity') -- cgit v1.2.3