Merge "Fail early when the settings aren't valid"

deployment_scripts/puppet/manifests/check_environment_configuration.pp

@@ -0,0 +1,64 @@
+#    Copyright 2015 Mirantis, Inc.
+#
+#    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.
+#
+# This manifest is only executed on the primrary-controller to verify that the
+# plugin's configuration matches with the environment.
+
+$lma_collector = hiera('lma_collector')
+
+$elasticsearch_mode = $lma_collector['elasticsearch_mode']
+if $elasticsearch_mode == 'local' {
+  # Check that the Elasticsearch-Kibana node exists in the environment
+  $es_node_name = $lma_collector['elasticsearch_node_name']
+  $es_nodes = filter_nodes(hiera('nodes'), 'user_node_name', $es_node_name)
+  if size($es_nodes) < 1 {
+    fail("Could not find node '${es_node_name}' in the environment")
+  }
+
+  # Check that the Elasticsearch-Kibana plugin is enabled for that environment
+  # and that the node names match
+  $elasticsearch_kibana = hiera('elasticsearch_kibana', false)
+  if ! $elasticsearch_kibana {
+    fail('Could not get the Elasticsearch parameters. The Elasticsearch-Kibana plugin is probably not installed.')
+  }
+  elsif ! $elasticsearch_kibana['metadata']['enabled'] {
+    fail('Could not get the Elasticsearch parameters. The Elasticsearch-Kibana plugin is probably not enabled for this environment.')
+  }
+  elsif $elasticsearch_kibana['node_name'] != $es_node_name {
+    fail('Node name settings don\'t match between the LMA collector and Elasticsearch-Kibana plugins.')
+  }
+}
+
+$influxdb_mode = $lma_collector['influxdb_mode']
+if $influxdb_mode == 'local' {
+  # Check that the InfluxDB-Grafana node exists in the environment
+  $influxdb_node_name = $lma_collector['influxdb_node_name']
+  $influxdb_nodes = filter_nodes(hiera('nodes'), 'user_node_name', $influxdb_node_name)
+  if size($influxdb_nodes) < 1 {
+    fail("Could not find node '${influxdb_node_name}' in the environment")
+  }
+
+  # Check that the InfluxDB-Grafana plugin is enabled for that environment
+  # and that the node names match
+  $influxdb_grafana = hiera('influxdb_grafana', false)
+  if ! $influxdb_grafana {
+    fail('Could not get the InfluxDB parameters. The InfluxDB-Grafana plugin is probably not installed.')
+  }
+  elsif ! $influxdb_grafana['metadata']['enabled'] {
+    fail('Could not get the InfluxDB parameters. The InfluxDB-Grafana plugin is probably not enabled for this environment.')
+  }
+  elsif $influxdb_grafana['node_name'] != $influxdb_node_name {
+    fail('Node name settings don\'t match between the LMA collector and InfluxDB-Grafana plugins.')
+  }
+}

tasks.yaml

@@ -1,3 +1,11 @@
+- role: ['primary-controller']
+  stage: post_deployment
+  type: puppet
+  parameters:
+    puppet_manifest: puppet/manifests/check_environment_configuration.pp
+    puppet_modules: puppet/modules
+    timeout: 300
+
 - role: '*'
   stage: post_deployment
   type: puppet