create K8S cluster by TOSCA
Issue-ID: OOM-63
Change-Id: I1506e856328c5fd973a0de140982d8b1bbbac546
Signed-off-by: Nicolas Hu <jh245g@att.com>
diff --git a/TOSCA/kubernetes-cluster-TOSCA/scripts/create.py b/TOSCA/kubernetes-cluster-TOSCA/scripts/create.py
new file mode 100644
index 0000000..4bb3710
--- /dev/null
+++ b/TOSCA/kubernetes-cluster-TOSCA/scripts/create.py
@@ -0,0 +1,93 @@
+#!/usr/bin/env python
+
+# ============LICENSE_START==========================================
+# ===================================================================
+# Copyright © 2017 AT&T
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#============LICENSE_END============================================
+
+# This tack will be triggered after VM created. It will check whether docker is up and running.
+
+import subprocess
+from cloudify import ctx
+from cloudify.exceptions import OperationRetry
+
+
+def check_command(command):
+
+ try:
+ process = subprocess.Popen(
+ command.split()
+ )
+ except OSError:
+ return False
+
+ output, error = process.communicate()
+
+ ctx.logger.debug('command: {0} '.format(command))
+ ctx.logger.debug('output: {0} '.format(output))
+ ctx.logger.debug('error: {0} '.format(error))
+ ctx.logger.debug('process.returncode: {0} '.format(process.returncode))
+
+ if process.returncode:
+ ctx.logger.error('Running `{0}` returns error.'.format(command))
+ return False
+
+ return True
+
+
+def execute_command(_command):
+
+ ctx.logger.debug('_command {0}.'.format(_command))
+
+ subprocess_args = {
+ 'args': _command.split(),
+ 'stdout': subprocess.PIPE,
+ 'stderr': subprocess.PIPE
+ }
+
+ ctx.logger.debug('subprocess_args {0}.'.format(subprocess_args))
+
+ process = subprocess.Popen(**subprocess_args)
+ output, error = process.communicate()
+
+ ctx.logger.debug('command: {0} '.format(_command))
+ ctx.logger.debug('error: {0} '.format(error))
+ ctx.logger.debug('process.returncode: {0} '.format(process.returncode))
+
+ if process.returncode:
+ ctx.logger.error('Running `{0}` returns error.'.format(_command))
+ return False
+
+ return output
+
+
+if __name__ == '__main__':
+
+ # Check if Docker PS works
+ docker = check_command('docker ps')
+ if not docker:
+ raise OperationRetry(
+ 'Docker is not present on the system.')
+ ctx.logger.info('Docker is present on the system.')
+
+ # Next check if Cloud Init is running.
+ finished = False
+ ps = execute_command('ps -ef')
+ for line in ps.split('\n'):
+ if '/usr/bin/python /usr/bin/cloud-init modules' in line:
+ raise OperationRetry(
+ 'You provided a Cloud-init Cloud Config to configure instances. '
+ 'Waiting for Cloud-init to complete.')
+ ctx.logger.info('Cloud-init finished.')