Swarm: Add configure-swarm.sh to configure docker-storage

This patch adds configure-swarm.sh to configure docker-storage options

New options added to DOCKER_STORAGE_OPTIONS:
--storage-driver devicemapper

Change-Id: Ie86b7e70fdb996cdea950742a1cdb552a0db29e3
Closes-Bug: #1499219

magnum/templates/docker-swarm/fragments/configure-swarm.sh

@@ -0,0 +1,7 @@
+#!/bin/sh
+# This shell script will do some extra configure stuff before running services
+
+echo "configuring swarm ..."
+
+# Add --storage-driver devicemapper to DOCKER_STORAGE_OPTIONS
+sed -i '/^DOCKER_STORAGE_OPTIONS=/ s/=.*/=--storage-driver devicemapper --storage-opt dm.fs=xfs --storage-opt dm.datadev=\/dev\/mapper\/atomicos-docker--data --storage-opt dm.metadatadev=\/dev\/mapper\/atomicos-docker--meta/' /etc/sysconfig/docker-storage

magnum/templates/docker-swarm/swarm.yaml

@@ -194,6 +194,12 @@ resources:
             "$MAGNUM_URL": {get_param: magnum_url}
             "$INSECURE": {get_param: insecure}
 
+  configure_swarm:
+    type: "OS::Heat::SoftwareConfig"
+    properties:
+      group: ungrouped
+      config: {get_file: fragments/configure-swarm.sh}
+
   remove_docker_key:
     type: "OS::Heat::SoftwareConfig"
     properties:
@@ -283,6 +289,7 @@ resources:
         - config: {get_resource: disable_selinux}
         - config: {get_resource: remove_docker_key}
         - config: {get_resource: write_heat_params}
+        - config: {get_resource: configure_swarm}
         - config: {get_resource: add_proxy}
         - config: {get_resource: make_cert}
         - config: {get_resource: write_docker_service}

magnum/templates/docker-swarm/swarmnode.yaml

@@ -141,6 +141,12 @@ resources:
             "$MAGNUM_URL": {get_param: magnum_url}
             "$INSECURE": {get_param: insecure}
 
+  configure_swarm:
+    type: "OS::Heat::SoftwareConfig"
+    properties:
+      group: ungrouped
+      config: {get_file: fragments/configure-swarm.sh}
+
   remove_docker_key:
     type: "OS::Heat::SoftwareConfig"
     properties:
@@ -216,6 +222,7 @@ resources:
         - config: {get_resource: remove_docker_key}
         - config: {get_resource: write_heat_params}
         - config: {get_resource: make_cert}
+        - config: {get_resource: configure_swarm}
         - config: {get_resource: add_proxy}
         - config: {get_resource: write_swarm_agent_service}
         - config: {get_resource: write_docker_service}