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authorJhon Honce <jhonce@redhat.com>2015-03-24 14:16:31 -0700
committerJhon Honce <jhonce@redhat.com>2015-03-24 14:16:31 -0700
commitf2f0167b605b541ad74d0aef0392609772692f0d (patch)
tree8f377eaba382dc1515a050068e5c3fa83c5106ea /bin/cluster
parent43ed89371aa2fce56d5e2b41af35a3ae902e92e6 (diff)
parent4dc8ca74f47bcbe0fd6285b0d73cc5b193be17a9 (diff)
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Merge pull request #97 from jwhonce/wip/cluster
Use ansible playbook to initialize openshift cluster
Diffstat (limited to 'bin/cluster')
-rwxr-xr-xbin/cluster111
1 files changed, 111 insertions, 0 deletions
diff --git a/bin/cluster b/bin/cluster
new file mode 100755
index 000000000..823f50671
--- /dev/null
+++ b/bin/cluster
@@ -0,0 +1,111 @@
+#!/usr/bin/env python
+# vim: expandtab:tabstop=4:shiftwidth=4
+
+import argparse
+import ConfigParser
+import sys
+import os
+
+
+class Cluster(object):
+ """Python wrapper to ensure environment is correct for running ansible playbooks
+ """
+
+ def __init__(self, args):
+ self.args = args
+
+ # setup ansible ssh environment
+ if 'ANSIBLE_SSH_ARGS' not in os.environ:
+ os.environ['ANSIBLE_SSH_ARGS'] = (
+ '-o ForwardAgent=yes'
+ ' -o StrictHostKeyChecking=no'
+ ' -o UserKnownHostsFile=/dev/null'
+ ' -o ControlMaster=auto'
+ ' -o ControlPersist=600s'
+ )
+
+ def apply(self):
+ # setup ansible playbook environment
+ config = ConfigParser.ConfigParser()
+ if 'gce' == self.args.provider:
+ config.readfp(open('inventory/gce/gce.ini'))
+
+ for key in config.options('gce'):
+ os.environ[key] = config.get('gce', key)
+
+ inventory = '-i inventory/gce/gce.py'
+ elif 'aws' == self.args.provider:
+ config.readfp(open('inventory/aws/ec2.ini'))
+
+ for key in config.options('ec2'):
+ os.environ[key] = config.get('ec2', key)
+
+ inventory = '-i inventory/aws/ec2.py'
+ else:
+ # this code should never be reached
+ raise argparse.ArgumentError("invalid PROVIDER {}".format(self.args.provider))
+
+ env = {'cluster_id': self.args.cluster_id}
+
+ if 'create' == self.args.action:
+ playbook = "playbooks/{}/openshift-cluster/launch.yml".format(self.args.provider)
+ env['masters'] = self.args.masters
+ env['nodes'] = self.args.nodes
+
+ elif 'terminate' == self.args.action:
+ playbook = "playbooks/{}/openshift-cluster/terminate.yml".format(self.args.provider)
+ elif 'list' == self.args.action:
+ # todo: implement cluster list
+ raise argparse.ArgumentError("ACTION {} not implemented".format(self.args.action))
+ elif 'update' == self.args.action:
+ # todo: implement cluster update
+ raise argparse.ArgumentError("ACTION {} not implemented".format(self.args.action))
+ else:
+ # this code should never be reached
+ raise argparse.ArgumentError("invalid ACTION {}".format(self.args.action))
+
+ verbose = ''
+ if self.args.verbose > 0:
+ verbose = '-{}'.format('v' * self.args.verbose)
+
+ ansible_env = '-e \'{}\''.format(
+ ' '.join(['%s=%s' % (key, value) for (key, value) in env.items()])
+ )
+
+ command = 'ansible-playbook {} {} {} {}'.format(
+ verbose, inventory, ansible_env, playbook
+ )
+
+ if self.args.verbose > 1:
+ command = 'time {}'.format(command)
+
+ if self.args.verbose > 0:
+ sys.stderr.write('RUN [{}]\n'.format(command))
+ sys.stderr.flush()
+
+ status = os.system(command)
+ if status != 0:
+ sys.stderr.write("RUN [{}] failed with exit status %d".format(command, status))
+ exit(status)
+
+
+
+if __name__ == '__main__':
+ parser = argparse.ArgumentParser(description='Manage OpenShift Cluster')
+ parser.add_argument('-m', '--masters', default=1, type=int, help='number of masters to create in cluster')
+ parser.add_argument('-n', '--nodes', default=2, type=int, help='number of nodes to create in cluster')
+ parser.add_argument('-v', '--verbose', action='count', help='Multiple -v options increase the verbosity')
+ parser.add_argument('--version', action='version', version='%(prog)s 0.1')
+ parser.add_argument('action', choices=['create', 'terminate', 'update', 'list'])
+ parser.add_argument('provider', choices=['gce', 'aws'])
+ parser.add_argument('cluster_id', help='prefix for cluster VM names')
+ args = parser.parse_args()
+
+ if 'terminate' == args.action:
+ sys.stderr.write("This will terminate the ENTIRE {} environment. Are you sure? [y/N] ".format(args.cluster_id))
+ sys.stderr.flush()
+ answer = sys.stdin.read(1)
+ if answer not in ['y', 'Y']:
+ exit(0)
+
+ Cluster(args).apply()