mirror of
https://github.com/ohmyzsh/ohmyzsh.git
synced 2024-12-26 00:09:10 +01:00
124 lines
3.2 KiB
Bash
124 lines
3.2 KiB
Bash
#!/bin/zsh
|
|
|
|
# Kubernetes prompt helper for bash/zsh
|
|
# Displays current context and namespace
|
|
|
|
# Copyright 2017 Jon Mosco
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
# Debug
|
|
[[ -n $DEBUG ]] && set -x
|
|
|
|
setopt PROMPT_SUBST
|
|
add-zsh-hook precmd _kube_ps1_load
|
|
zmodload zsh/stat
|
|
|
|
# Default values for the prompt
|
|
# Override these values in ~/.zshrc or ~/.bashrc
|
|
KUBE_PS1_DEFAULT="${KUBE_PS1_DEFAULT:=true}"
|
|
KUBE_PS1_PREFIX="("
|
|
KUBE_PS1_DEFAULT_LABEL="${KUBE_PS1_DEFAULT_LABEL:="⎈ "}"
|
|
KUBE_PS1_DEFAULT_LABEL_IMG="${KUBE_PS1_DEFAULT_LABEL_IMG:=false}"
|
|
KUBE_PS1_SEPERATOR="|"
|
|
KUBE_PS1_PLATFORM="${KUBE_PS1_PLATFORM:="kubectl"}"
|
|
KUBE_PS1_DIVIDER=":"
|
|
KUBE_PS1_SUFFIX=")"
|
|
KUBE_PS1_UNAME=$(uname)
|
|
KUBE_PS1_LAST_TIME=0
|
|
|
|
kube_ps1_label () {
|
|
|
|
[[ "${KUBE_PS1_DEFAULT_LABEL_IMG}" == false ]] && return
|
|
|
|
if [[ "${KUBE_PS1_DEFAULT_LABEL_IMG}" == true ]]; then
|
|
local KUBE_LABEL="☸️ "
|
|
fi
|
|
|
|
KUBE_PS1_DEFAULT_LABEL="${KUBE_LABEL}"
|
|
|
|
}
|
|
|
|
_kube_ps1_split() {
|
|
type setopt >/dev/null 2>&1 && setopt SH_WORD_SPLIT
|
|
local IFS=$1
|
|
echo $2
|
|
}
|
|
|
|
_kube_ps1_file_newer_than() {
|
|
|
|
local mtime
|
|
local file=$1
|
|
local check_time=$2
|
|
mtime=$(stat +mtime "${file}")
|
|
|
|
[ "${mtime}" -gt "${check_time}" ]
|
|
|
|
}
|
|
|
|
_kube_ps1_load() {
|
|
# kubectl will read the environment variable $KUBECONFIG
|
|
# otherwise set it to ~/.kube/config
|
|
KUBECONFIG="${KUBECONFIG:=$HOME/.kube/config}"
|
|
|
|
for conf in $(_kube_ps1_split : "${KUBECONFIG}"); do
|
|
# TODO: check existence of $conf
|
|
if _kube_ps1_file_newer_than "${conf}" "${KUBE_PS1_LAST_TIME}"; then
|
|
_kube_ps1_get_context_ns
|
|
return
|
|
fi
|
|
done
|
|
}
|
|
|
|
_kube_ps1_get_context_ns() {
|
|
|
|
# Set the command time
|
|
KUBE_PS1_LAST_TIME=$(date +%s)
|
|
|
|
if [[ "${KUBE_PS1_DEFAULT}" == true ]]; then
|
|
local KUBE_BINARY="${KUBE_PS1_PLATFORM}"
|
|
elif [[ "${KUBE_PS1_DEFAULT}" == false ]] && [[ "${KUBE_PS1_PLATFORM}" == "kubectl" ]];then
|
|
local KUBE_BINARY="kubectl"
|
|
elif [[ "${KUBE_PS1_PLATFORM}" == "oc" ]]; then
|
|
local KUBE_BINARY="oc"
|
|
fi
|
|
|
|
KUBE_PS1_CONTEXT="$(${KUBE_BINARY} config current-context)"
|
|
KUBE_PS1_NAMESPACE="$(${KUBE_BINARY} config view --minify --output 'jsonpath={..namespace}')"
|
|
# Set namespace to default if it is not defined
|
|
KUBE_PS1_NAMESPACE="${KUBE_PS1_NAMESPACE:-default}"
|
|
|
|
}
|
|
|
|
# source our symbol
|
|
kube_ps1_label
|
|
|
|
# Build our prompt
|
|
kube_ps1 () {
|
|
local reset_color="%f"
|
|
local blue="%F{blue}"
|
|
local red="%F{red}"
|
|
local cyan="%F{cyan}"
|
|
|
|
KUBE_PS1="${reset_color}$KUBE_PS1_PREFIX"
|
|
KUBE_PS1+="${blue}$KUBE_PS1_DEFAULT_LABEL"
|
|
KUBE_PS1+="${reset_color}$KUBE_PS1_SEPERATOR"
|
|
KUBE_PS1+="${red}$KUBE_PS1_CONTEXT${reset_color}"
|
|
KUBE_PS1+="$KUBE_PS1_DIVIDER"
|
|
KUBE_PS1+="${cyan}$KUBE_PS1_NAMESPACE${reset_color}"
|
|
KUBE_PS1+="$KUBE_PS1_SUFFIX"
|
|
|
|
echo "${KUBE_PS1}"
|
|
|
|
}
|