Ignore case for bootstrap node checks

The bootstrap_nodeid can have capital letters while the hostname may
not. In puppet we use downcase for this comparison, so let's follow a
similar pattern for scripts from THT.

Change-Id: I8a0bec4a6f3ed0b4f2289cbe7023344fb284edf7
Closes-Bug: #16998201

extraconfig/tasks/pacemaker_common_functions.sh

@@ -11,7 +11,7 @@ function log_debug {
 }
 
 function is_bootstrap_node {
-  if [ "$(hiera -c /etc/puppet/hiera.yaml bootstrap_nodeid)" = "$(facter hostname)" ]; then
+  if [ "$(hiera -c /etc/puppet/hiera.yaml bootstrap_nodeid | tr '[:upper:]' '[:lower:]')" = "$(facter hostname | tr '[:upper:]' '[:lower:]')" ]; then
     log_debug "Node is bootstrap"
     echo "true"
   fi

extraconfig/tasks/yum_update.sh

@@ -49,7 +49,7 @@ fi
 # of packages to update (the check for -z "$update_identifier" guarantees that this
 # is run only on overcloud stack update -i)
 if [[ "$pacemaker_status" == "active" && \
-        "$(hiera -c /etc/puppet/hiera.yaml pacemaker_short_bootstrap_node_name)" == "$(facter hostname)" ]] ; then \
+        "$(hiera -c /etc/puppet/hiera.yaml pacemaker_short_bootstrap_node_name | tr '[:upper:]' '[:lower:]')" == "$(facter hostname | tr '[:upper:]' '[:lower:]')" ]] ; then \
     # OCF scripts don't cope with -eu
     echo "Verifying if we need to fix up any IPv6 VIPs"
     set +eu

puppet/services/nova-api.yaml

@@ -210,7 +210,7 @@ outputs:
           register: bootstrap_node
         - name: set is_bootstrap_node fact
           tags: common
-          set_fact: is_bootstrap_node={{bootstrap_node.stdout == ansible_hostname}}
+          set_fact: is_bootstrap_node={{bootstrap_node.stdout|lower == ansible_hostname|lower}}
         - name: Extra migration for nova tripleo/+bug/1656791
           tags: step0,pre-upgrade
           when: is_bootstrap_node