Implement nova memcache security strategy

Provides an option to authenticate and optionally encrypt the token
data stored in the cache:
memcache_security_strategy = MAC/ENCRYPT
memcache_secret_key = secret_key

Change-Id: I740be64fd5d822a4c4718e9b56b9fff34c2ba9da
Related-Prod: PROD-22099
diff --git a/tests/pillar/compute_cluster.sls b/tests/pillar/compute_cluster.sls
index c057c09..c3a55e2 100644
--- a/tests/pillar/compute_cluster.sls
+++ b/tests/pillar/compute_cluster.sls
@@ -74,6 +74,10 @@
         port: 11211
       - host: 127.0.2.1
         port: 11211
+      security:
+        enabled: true
+        strategy: ENCRYPT
+        secret_key: secret
     libvirt:
       hw_disk_discard: unmap
       live_migration_tunnelled: False
diff --git a/tests/pillar/compute_cluster_vmware.sls b/tests/pillar/compute_cluster_vmware.sls
index ceaf142..8cf5646 100644
--- a/tests/pillar/compute_cluster_vmware.sls
+++ b/tests/pillar/compute_cluster_vmware.sls
@@ -63,6 +63,10 @@
         port: 11211
       - host: 127.0.2.1
         port: 11211
+      security:
+        enabled: true
+        strategy: ENCRYPT
+        secret_key: secret
     compute_driver: vmwareapi.VMwareVCDriver
     vmware:
       host_username: vmware
diff --git a/tests/pillar/compute_cluster_vmware_queens.sls b/tests/pillar/compute_cluster_vmware_queens.sls
index 1d6b0cf..d508fc1 100644
--- a/tests/pillar/compute_cluster_vmware_queens.sls
+++ b/tests/pillar/compute_cluster_vmware_queens.sls
@@ -63,6 +63,10 @@
         port: 11211
       - host: 127.0.2.1
         port: 11211
+      security:
+        enabled: true
+        strategy: ENCRYPT
+        secret_key: secret
     compute_driver: vmwareapi.VMwareVCDriver
     vmware:
       host_username: vmware
diff --git a/tests/pillar/compute_single.sls b/tests/pillar/compute_single.sls
index 8d752de..b000da7 100644
--- a/tests/pillar/compute_single.sls
+++ b/tests/pillar/compute_single.sls
@@ -60,6 +60,10 @@
       members:
       - host: 127.0.0.1
         port: 11211
+      security:
+        enabled: true
+        strategy: ENCRYPT
+        secret_key: secret
     qemu:
       user: nova
       group: cinder
diff --git a/tests/pillar/compute_single_config_drive_options.sls b/tests/pillar/compute_single_config_drive_options.sls
index 6351252..78cf088 100644
--- a/tests/pillar/compute_single_config_drive_options.sls
+++ b/tests/pillar/compute_single_config_drive_options.sls
@@ -58,6 +58,10 @@
       members:
       - host: 127.0.0.1
         port: 11211
+      security:
+        enabled: true
+        strategy: ENCRYPT
+        secret_key: secret
     config_drive:
       cdrom: True
       format: iso9660
diff --git a/tests/pillar/control_single.sls b/tests/pillar/control_single.sls
index eb91fd9..338d63b 100644
--- a/tests/pillar/control_single.sls
+++ b/tests/pillar/control_single.sls
@@ -66,6 +66,10 @@
       members:
       - host: 127.0.0.1
         port: 11211
+      security:
+        enabled: true
+        strategy: ENCRYPT
+        secret_key: secret
     policy:
       'context_is_admin': 'role:admin or role:administrator'
       'compute:create': 'rule:admin_or_owner'