Show kubeconfig in prompt

zsh/aliases.zsh

@@ -94,6 +94,25 @@ if [ $? -eq 0 ]; then
     alias dcd="docker-compose down"
 fi
 
+command -v kubectl > /dev/null 2>&1
+if [ $? -eq 0 ]; then
+
+    # Sets the kube config
+    kube() {
+        local kube_config=$HOME/.kubes/$1/config
+        if [ $# -ne 1 ]; then
+            echo >&2 error: kube expects a single argument
+            return 1
+        elif [ ! -f $kube_config ]; then
+            echo >&2 error: no such kube config: $kube_config
+            return 1
+        else
+            export KUBECONFIG=$kube_config
+        fi
+    }
+
+fi
+
 # change to git directory
 cdg() {
     local newdir

zsh/ohmyzsh/themes/laptop-hostname.zsh-theme

@@ -85,11 +85,19 @@ command -v vcgencmd > /dev/null && PR_TEMP=' ${PR_GREEN}‹$(vcgencmd measure_te
 
 local PR_DATE='${PR_BOLD}${PR_MAGENTA}[%D{%H:%M}]${PR_NO_COLOR}'
 
+extract_kube() {
+    if [ ! -z $KUBECONFIG ]; then
+        echo " ${PR_CYAN}‹$(echo $KUBECONFIG | rev | cut -d '/' -f 2 | rev)›${PR_NO_COLOR}"
+    fi
+}
+
+local kube='$(extract_kube)'
+
 #PROMPT="${user_host} ${current_dir} ${rvm_ruby}${git_branch}$PR_PROMPT  "
 separator='${PR_YELLOW}::${PR_NO_COLOR}'
 tty | read tty_value
 if [[ $tty_value == *pts* ]]; then # if in a tty
-    PROMPT="$PR_ARROW_UP${PR_DATE} ${user_host}${separator}${PR_NO_COLOR}${current_dir} ${rvm_ruby}${git_branch}${PR_TEMP}
+    PROMPT="$PR_ARROW_UP${PR_DATE} ${user_host}${separator}${PR_NO_COLOR}${current_dir}${rvm_ruby}${git_branch}${kube}${PR_TEMP}
 $PR_ARROW_DOWN$PR_PROMPT  ${PR_NO_COLOR}"
     return_code="%(?.%{$PR_GREEN%}%? ↵%{$PR_NO_COLOR%}.%{$PR_RED%}%? ↵%{$PR_NO_COLOR%})"
 else