context aware for kubectl and oc client

bash_profile

NORMAL="\[\e[00m\]"     # Normal
BLACK="\[\e[0;30m\]"    # Black
RED="\[\e[1;31m\]"      # Red
GREEN="\e[0;32m"    # Green
YELLOW="\[\e[0;33m\]"   # Yellow
BLUE="\[\e[0;34m\]"     # Blue
PURPLE="\[\e[0;35m\]"   # Purple
CYAN="\[\e[0;36m\]"     # Cyan
WHITE="\[\e[0;37m\]"    # White
BLACKRED="\e[41;1;30m"

__kube_ps1()
{
# Get current context
CONTEXT=$(cat ~/.kube/config | grep "current-context:" | sed "s/current-context: //" | cut -d '/' -f 1,2)
PROJ=$(echo $CONTEXT|cut -d '/' -f 1)
CLUSTER=$(echo $CONTEXT|cut -d '/' -f 2| sed "s/:.*//")

  if [ -n "$CONTEXT" ]; then
    if [[ $CLUSTER =~ .*-prod-.* ]];then
        echo -e "${BLACKRED}(${CLUSTER}/${PROJ})"
      else
        echo -e "${GREEN}(${CLUSTER}/${PROJ})"
      fi
  fi
}
export PS1="${YELLOW}\u${NORMAL}@${RED}\H:${WHITE}\w \$(__kube_ps1)${NORMAL} \$ "