pacemaker cluster status in $PS1

crm.sh

# Pick a resource that runs only on the master (clone/ms won't work)
# then, in your /root/.bash_profile:
# . path/to/crm.sh
# export CRM_PS1_RESOURCE=xxx
# export PS1='[\u@\h \W](crm: $(__crm_ps1))\$ '

function __crm_ps1() {
  local nodename="$(uname -n)"

  crm_resource --list -Q >/dev/null 2>&1 || { echo "dead"; return 1; }

  local standby="$(crm_attribute --node "$nodename" --name standby --query -l forever --quiet)" 
  
  [ "$standby" = "on" ] && { echo "standby"; return 0; }

  local resource_location="$(crm_resource --resource "$CRM_PS1_RESOURCE" --locate -Q)"
  
  [ "$resource_location" = "$nodename" ] && echo master || echo slave
}