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authorJun Hu <jh245g@att.com>2018-01-17 17:07:36 -0500
committerJun (Nicolas) Hu <jh245g@att.com>2018-02-15 15:19:32 +0000
commit9e45abcba88ce805260cf16ccebd2fe5e3885822 (patch)
tree83f211e8468db2208115d98c76c42ca42e3bc636 /TOSCA/kubernetes-cluster-TOSCA/scripts/kubernetes_node/configure.py
parentd9f6ecd1c5b5296d8bb198b13430d437a6f7a54a (diff)
create K8S cluster by TOSCA
Issue-ID: OOM-63 Change-Id: I1506e856328c5fd973a0de140982d8b1bbbac546 Signed-off-by: Nicolas Hu <jh245g@att.com>
Diffstat (limited to 'TOSCA/kubernetes-cluster-TOSCA/scripts/kubernetes_node/configure.py')
-rw-r--r--TOSCA/kubernetes-cluster-TOSCA/scripts/kubernetes_node/configure.py88
1 files changed, 88 insertions, 0 deletions
diff --git a/TOSCA/kubernetes-cluster-TOSCA/scripts/kubernetes_node/configure.py b/TOSCA/kubernetes-cluster-TOSCA/scripts/kubernetes_node/configure.py
new file mode 100644
index 0000000000..69faaa80d1
--- /dev/null
+++ b/TOSCA/kubernetes-cluster-TOSCA/scripts/kubernetes_node/configure.py
@@ -0,0 +1,88 @@
+#!/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============================================
+
+# Afther K8s master up and running. This script will be triggered in each worker nodes. It will join the nodes, and mount the NFS directory.
+
+import subprocess
+from cloudify import ctx
+from cloudify.exceptions import NonRecoverableError
+
+START_COMMAND = 'sudo kubeadm join --token {0} {1}:{2}'
+
+
+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('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 output
+
+
+if __name__ == '__main__':
+
+ hostname = execute_command('hostname')
+ ctx.instance.runtime_properties['hostname'] = hostname.rstrip('\n')
+
+ # Get the master cluster info.
+ masters = \
+ [x for x in ctx.instance.relationships if
+ x.target.instance.runtime_properties.get(
+ 'KUBERNETES_MASTER', False)]
+ if len(masters) != 1:
+ raise NonRecoverableError(
+ 'Currently, a Kubernetes node must have a '
+ 'dependency on one Kubernetes master.')
+ master = masters[0]
+ bootstrap_token = \
+ master.target.instance.runtime_properties['bootstrap_token']
+ master_ip = \
+ master.target.instance.runtime_properties['master_ip']
+ master_port = \
+ master.target.instance.runtime_properties['master_port']
+
+ # Join the cluster.
+ cniCommand1=subprocess.Popen(["sudo", "sysctl", 'net.bridge.bridge-nf-call-iptables=1'], stdout=subprocess.PIPE)
+ join_command = \
+ 'sudo kubeadm join --token {0} {1}:{2}'.format(
+ bootstrap_token, master_ip, master_port)
+ execute_command(join_command)
+
+ #mount
+ mount_command=\
+ 'sudo mount -t nfs -o proto=tcp,port=2049 {0}:/dockerdata-nfs /dockerdata-nfs'.format(master_ip)
+ execute_command(mount_command) \ No newline at end of file