Add FORCE_LATEST_VARIABLES param to apply changes tasks (#52)

Depends on [this om pr](pivotal-cf/om#608)

[#186967065]

tasks/apply-changes.sh

@@ -14,6 +14,10 @@ if [ "${IGNORE_WARNINGS}" == "true" ]; then
   flags+=("--ignore-warnings")
 fi
 
+if [ "${FORCE_LATEST_VARIABLES}" == "true" ]; then
+  flags+=("--force_latest_variables")
+fi
+
 if [ -n "${ERRAND_CONFIG_FILE}" ]; then
   flags+=("--config" "${ERRAND_CONFIG_FILE}")
 fi

tasks/apply-changes.yml

@@ -38,6 +38,14 @@ params:
   # - This is not recommended unless unless the warning failure(s)
   #   are well understood.
 
+  FORCE_LATEST_VARIABLES: false
+  # - Optional
+  # - If true, will instruct OpsMan to deploy with the latest
+  #   version of all BOSH variables, even if no stemcells are
+  #   being upgraded.
+  # - This is to provide an alternative to stemcell updates
+  #   in order to manually rotate automatically-rotated certificates.
+
   SELECTIVE_DEPLOY_PRODUCTS:
   # - Optional
   # - Comma separated list of products for apply changes.

tasks/stage-configure-apply.sh

@@ -67,6 +67,10 @@ if [ "${IGNORE_WARNINGS}" == "true" ]; then
   flags+=("--ignore-warnings")
 fi
 
+if [ "${FORCE_LATEST_VARIABLES}" == "true" ]; then
+  flags+=("--force_latest_variables")
+fi
+
 if [ -n "${ERRAND_CONFIG_FILE}" ]; then
   flags+=("--config" "config/${ERRAND_CONFIG_FILE}")
 fi

tasks/stage-configure-apply.yml

@@ -110,6 +110,14 @@ params:
   # - This is not recommended unless unless the warning failure(s)
   #   are well understood.
 
+  FORCE_LATEST_VARIABLES: false
+  # - Optional
+  # - If true, will instruct OpsMan to deploy with the latest
+  #   version of all BOSH variables, even if no stemcells are
+  #   being upgraded.
+  # - This is to provide an alternative to stemcell updates
+  #   in order to manually rotate automatically-rotated certificates.
+
 run:
   path: platform-automation-tasks/tasks/stage-configure-apply.sh
 # code_snippet stage-configure-apply end