Support update site action

- Create a manifest for an update_site scenario
- Update pegleg-collect stage to support behavior change
  on an update site to only collect changes in the site
  definition and not regenerate libvirt keys.

Change-Id: Iba4dc49c9173a3872ca01946bfcb4247f2ca19a2

tools/multi_nodes_gate/airship_gate/manifests/update_site.json

@@ -1,3 +1,4 @@
+
 {
   "configuration": {
     "site": "gate-multinode",
@@ -11,48 +12,20 @@
     "172.24.1.6": ["drydock","shipyard","keystone"]
   },
   "stages": [
-    {
-      "name": "Gate Setup",
-      "script": "gate-setup.sh"
-    },
     {
       "name": "Pegleg Collection",
-      "script": "pegleg-collect.sh"
+      "script": "pegleg-collect.sh",
-    },
+      "arguments": ["update"]
-    {
-      "name": "Populate Image Cache",
-      "script": "registry-load.sh"
-    },
-    {
-      "name": "Generate Certificates",
-      "script": "generate-certificates.sh"
-    },
-    {
-      "name": "Build Scripts",
-      "script": "build-scripts.sh"
-    },
-    {
-      "name": "Create VMs",
-      "script": "create-vms.sh"
-    },
-    {
-      "name": "Genesis",
-      "script": "genesis.sh",
-      "on_error": "collect_genesis_info.sh"
     },
     {
       "name": "Load Site Design",
-      "script": "shipyard-load-design.sh"
+      "script": "shipyard-load-design.sh",
+      "arguments": ["-g", "-o"]
     },
     {
       "name": "Deploy Site",
-      "script": "shipyard-deploy-site.sh"
-    },
-    {
-      "name": "Update Site",
       "script": "shipyard-update-site.sh"
     }
-
   ],
   "vm": {
     "build": {
@@ -60,12 +33,11 @@
       "vcpus": 2,
       "mac": "52:54:00:00:be:31",
       "ip": "172.24.1.9",
-      "io_profile": "fast",
       "bootstrap": true,
       "userdata": "packages: [docker.io]"
     },
     "n0" : {
-      "memory": 16384,
+      "memory": 32768,
       "vcpus": 8,
       "mac": "52:54:00:00:a4:31",
       "ip": "172.24.1.10",

tools/multi_nodes_gate/airship_gate/stages/pegleg-collect.sh

@@ -50,16 +50,28 @@ render_pegleg_cli() {
     echo ${cli_string}
 }
 
+collect_design_docs() {
+  docker run \
+    --rm -t \
+    --network none \
+    -v "${REPO_ROOT}":/workspace \
+    -v "${DEFINITION_DEPOT}":/collect \
+    "${IMAGE_PEGLEG_CLI}" \
+    $(render_pegleg_cli)
+}
+
+collect_initial_docs() {
+  collect_design_docs
+  log "Generating virtmgr key documents"
+  gen_libvirt_key && install_libvirt_key
+  collect_ssh_key
+}
+
 log "Collecting site definition to ${DEFINITION_DEPOT}"
 
-docker run \
+if [[ "$1" != "update" ]];
-  --rm -t \
+then
-  --network none \
+  collect_initial_docs
-  -v "${REPO_ROOT}":/workspace \
+else
-  -v "${DEFINITION_DEPOT}":/collect \
+  collect_design_docs
-  "${IMAGE_PEGLEG_CLI}" \
+fi
-  $(render_pegleg_cli)
-
-log "Generating virtmgr key documents"
-gen_libvirt_key && install_libvirt_key
-collect_ssh_key