diff options
Diffstat (limited to 'TOSCA/kubernetes-cluster-TOSCA/scripts/create.py')
-rw-r--r-- | TOSCA/kubernetes-cluster-TOSCA/scripts/create.py | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/TOSCA/kubernetes-cluster-TOSCA/scripts/create.py b/TOSCA/kubernetes-cluster-TOSCA/scripts/create.py new file mode 100644 index 0000000000..e48153917c --- /dev/null +++ b/TOSCA/kubernetes-cluster-TOSCA/scripts/create.py @@ -0,0 +1,93 @@ +#!/usr/bin/env python + +# ============LICENSE_START========================================== +# =================================================================== +# Copyright (c) 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.') |