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ralucas/switch_kubectl.bash

Created June 10, 2018 20:09
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  1. ralucas created this gist Jun 10, 2018.
    31 changes: 31 additions & 0 deletions switch_kubectl.bash
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,31 @@
    #!/bin/bash -e

    APP=$1
    ENV=$2

    if [ -z "$APP" ] || [ -z "$ENV" ]; then
    echo -e "Missing parameters\n\nUsage:\n\tswitch_kubectl [app_name] [environment]"
    exit 0
    fi

    if [ "$1" == "-h" ] || [ "$1" == "--help" ]; then
    echo -e "Usage:\n\tswitch_kubectl [app_name] [environment]"
    exit 0
    fi

    RED=`tput setaf 1`
    GREEN=`tput setaf 2`
    RESET=`tput sgr0`

    CONTEXT=`kubectl config view | grep "${APP}-${ENV}" -m 1 | sed -E "s/[[:space:]]+name\:[[:space:]]//"`
    echo "Using ${CONTEXT}"

    SWITCHED_CONTEXT=`kubectl config use-context ${CONTEXT}`
    echo $SWITCHED_CONTEXT

    SC=`echo ${SWITCHED_CONTEXT} | grep -o "${CONTEXT}"`
    if [ "${SC}" != "${CONTEXT}" ]; then
    echo "Bad kubectl context!"
    else
    echo "Successfully switched kubernetes to application [ ${RED}${APP}${RESET} ] on [ ${GREEN}${ENV}${RESET} ]"
    fi