Simulate o-c-c cfn deployments handling

o-c-c has a special mode which explodes deployments into individual
files. This will effectively do the same for local copies of server
metadata.

Change-Id: I505d02a190ac93f243aeaf6d05256e66e832c8bf

playbooks/files/explode-deployments.py

@@ -0,0 +1,27 @@
+#!/usr/bin/python
+
+import argparse
+import json
+import os
+
+parser = argparse.ArgumentParser()
+parser.add_argument('path', default='/var/lib/os-collect-config/local-data')
+parser.add_argument('--deployments-key', default='deployments')
+
+args = parser.parse_args()
+
+for fname in os.listdir(args.path):
+    f = os.path.join(args.path, fname)
+    with open(f) as infile:
+        x = json.loads(infile.read())
+        dp = args.deployments_key
+        final_list = []
+        if dp in x:
+            if isinstance(x[dp], list):
+                for d in x[dp]:
+                    name = d['name']
+                    if d.get('group', 'Heat::Ungrouped') in ('os-apply-config', 'Heat::Ungrouped'):
+                        final_list.append((name, d['config']))
+    for oname, oconfig in final_list:
+        with open('%s%s' % (f, oname), 'w') as outfile:
+            outfile.write(json.dumps(oconfig))

playbooks/refresh_config.yml

@@ -18,8 +18,17 @@
 - name: "Ensure heat local-data directory exists"
   sudo: yes
   file: path=/var/lib/os-collect-config/local-data state=directory
+- name: "Copy deployments exploder script"
+  sudo: yes
+  copy:
+    src: files/explode-deployments.py
+    dest: /usr/local/bin/explode-deployments
+    mode: 0755
 - name: "Write out metadata"
   sudo: yes
   template:
     src: templates/host_metadata.json.j2
     dest: /var/lib/os-collect-config/local-data/host_metadata.json
+- name: "Explode deployments"
+  sudo: yes
+  command: /usr/local/bin/explode-deployments /var/lib/os-collect-config/local-data