Adding oc_scale to lib_openshift.

1 files changed, 104 insertions, 0 deletions

diff --git a/roles/lib_openshift/src/class/oc_scale.py b/roles/lib_openshift/src/class/oc_scale.py
new file mode 100644
index 000000000..bd8f9da93
--- /dev/null
+++ b/roles/lib_openshift/src/class/oc_scale.py
@@ -0,0 +1,104 @@
+# pylint: skip-file
+# flake8: noqa
+
+# pylint: disable=too-many-instance-attributes
+class OCScale(OpenShiftCLI):
+    ''' Class to wrap the oc command line tools '''
+
+    # pylint allows 5
+    # pylint: disable=too-many-arguments
+    def __init__(self,
+                 resource_name,
+                 namespace,
+                 replicas,
+                 kind,
+                 kubeconfig='/etc/origin/master/admin.kubeconfig',
+                 verbose=False):
+        ''' Constructor for OCScale '''
+        super(OCScale, self).__init__(namespace, kubeconfig)
+        self.kind = kind
+        self.replicas = replicas
+        self.name = resource_name
+        self.namespace = namespace
+        self.kubeconfig = kubeconfig
+        self.verbose = verbose
+        self._resource = None
+
+    @property
+    def resource(self):
+        ''' property function for resource var '''
+        if not self._resource:
+            self.get()
+        return self._resource
+
+    @resource.setter
+    def resource(self, data):
+        ''' setter function for resource var '''
+        self._resource = data
+
+    def get(self):
+        '''return replicas information '''
+        vol = self._get(self.kind, self.name)
+        if vol['returncode'] == 0:
+            if self.kind == 'dc':
+                self.resource = DeploymentConfig(content=vol['results'][0])
+                vol['results'] = [self.resource.get_replicas()]
+            if self.kind == 'rc':
+                self.resource = ReplicationController(content=vol['results'][0])
+                vol['results'] = [self.resource.get_replicas()]
+
+        return vol
+
+    def put(self):
+        '''update replicas into dc '''
+        self.resource.update_replicas(self.replicas)
+        return self._replace_content(self.kind, self.name, self.resource.yaml_dict)
+
+    def needs_update(self):
+        ''' verify whether an update is needed '''
+        return self.resource.needs_update_replicas(self.replicas)
+
+    @staticmethod
+    def run_ansible(params, check_mode):
+        '''perform the idempotent ansible logic'''
+
+        oc_scale = OCScale(params['name'],
+                           params['namespace'],
+                           params['replicas'],
+                           params['kind'],
+                           params['kubeconfig'],
+                           verbose=params['debug'])
+
+        state = params['state']
+
+        api_rval = oc_scale.get()
+
+        #####
+        # Get
+        #####
+        if state == 'list':
+            return {'changed': False, 'result': api_rval['results'], 'state': 'list'}  # noqa: E501
+
+        elif state == 'present':
+            ########
+            # Update
+            ########
+            if oc_scale.needs_update():
+                if check_mode:
+                    return {'changed': True, 'result': 'CHECK_MODE: Would have updated.'}  # noqa: E501
+                api_rval = oc_scale.put()
+
+                if api_rval['returncode'] != 0:
+                    return {'failed': True, 'msg': api_rval}
+
+                # return the created object
+                api_rval = oc_scale.get()
+
+                if api_rval['returncode'] != 0:
+                    return {'failed': True, 'msg': api_rval}
+
+                return {'changed': True, 'result': api_rval['results'], 'state': 'present'}  # noqa: E501
+
+            return {'changed': False, 'result': api_rval['results'], 'state': 'present'}  # noqa: E501
+
+        return {'failed': True, 'msg': 'Unknown state passed. [{}]'.format(state)}