iTerm2 automatic color switching for different k8s contexts with kubectx

context_colors.zsh

function reset_tab() {
    echo -e "\033]50;SetProfile=Default\a"
}

function color {
    case $1 in
    green)
    echo -e "\033]6;1;bg;red;brightness;57\a"
    echo -e "\033]6;1;bg;green;brightness;197\a"
    echo -e "\033]6;1;bg;blue;brightness;77\a"
    ;;
    red)
    echo -e "\033]6;1;bg;red;brightness;270\a"
    echo -e "\033]6;1;bg;green;brightness;60\a"
    echo -e "\033]6;1;bg;blue;brightness;83\a"
    ;;
    orange)
    echo -e "\033]6;1;bg;red;brightness;227\a"
    echo -e "\033]6;1;bg;green;brightness;143\a"
    echo -e "\033]6;1;bg;blue;brightness;10\a"
    ;;
    blue)
    echo -e "\033]6;1;bg;red;brightness;66\a"
    echo -e "\033]6;1;bg;green;brightness;134\a"
    echo -e "\033]6;1;bg;blue;brightness;244\a"
    ;;
    grey)
    echo -e "\033]6;1;bg;red;brightness;89\a"
    echo -e "\033]6;1;bg;green;brightness;96\a"
    echo -e "\033]6;1;bg;blue;brightness;99\a"
    ;;
    esac
 }

function contextcolor() {
    if [[ -n "$ITERM_SESSION_ID" ]]; then
        if [[ "$*" =~ "monitoring" ]]; then
            printf "\e]1337;SetBadgeFormat=%s\a" $(echo -n "\(session.name)" | base64)
            printf "\e]1337;SetColors=bg=281f10\a"
            color orange
        elif [[ "$*" =~ "features" ]]; then
            printf "\e]1337;SetBadgeFormat=%s\a" $(echo -n "\(session.name)" | base64)
            printf "\e]1337;SetColors=bg=0f212a\a"
            color blue
        elif [[ "$*" =~ "production" ]]; then
            printf "\e]1337;SetBadgeFormat=%s\a" $(echo -n "\(session.name)" | base64)
            printf "\e]1337;SetColors=bg=300000\a"
            color red
        fi
    fi
    kubectx $*
}
compdef _kubectx tabc=kubectx

alias kubectx="contextcolor"

##### BG colors #####
# grey          222b2b
# blue          0f212a
# dark-yellow   281f10
# yellow        45331f
# red           300000
# badge color   941f1f