scwrypts/zsh/lib/cloud/aws/eks.module.zsh
yage 3d1eb9e03d v4.1.5
=====================================================================

--- Bug Fixes ----------------------------

- corrected some output being piped to stdin during EKS login
2024-03-14 10:02:45 -06:00

91 lines
2.2 KiB
Bash

#####################################################################
DEPENDENCIES+=(kubectl yq)
REQUIRED_ENV+=()
use cloud/aws/cli
#####################################################################
EKS__KUBECTL() { EKS kubectl $@; }
EKS__FLUX() { EKS flux $@; }
#####################################################################
EKS() {
local USAGE="
usage: cli [...kubectl args...]
args:
cli a kubectl-style CLI (e.g. kubectl, helm, flux, etc)
Allows access to kubernetes CLI commands by configuring environment
to point to a specific cluster.
"
REQUIRED_ENV=(AWS_REGION AWS_ACCOUNT CLUSTER_NAME) DEPENDENCIES=(kubectl $1) CHECK_ENVIRONMENT || return 1
local CONTEXT="arn:aws:eks:${AWS_REGION}:${AWS_ACCOUNT}:cluster/${CLUSTER_NAME}"
kubectl config get-contexts | grep -q $CONTEXT \
|| EKS__CLUSTER_LOGIN -c $CLUSTER_NAME >/dev/null
local CONTEXT_ARGS=()
case $1 in
helm ) CONTEXT_ARGS+=(--kube-context $CONTEXT) ;;
* ) CONTEXT_ARGS+=(--context $CONTEXT) ;;
esac
$1 ${CONTEXT_ARGS[@]} ${@:2}
}
#####################################################################
EKS__CLUSTER_LOGIN() {
local USAGE="
usage: [...options...]
options
-c, --cluster-name <string> (optional) login a specific cluster
Interactively sets the default kubeconfig to match the selected
cluster in EKS. Also creates the kubeconfig entry if it does not
already exist.
"
REQUIRED_ENV=(AWS_ACCOUNT AWS_REGION) CHECK_ENVIRONMENT || return 1
local CLUSTER_NAME
while [[ $# -gt 0 ]]
do
case $1 in
-c | --cluster-name ) CLUSTER_NAME="$2"; shift 1 ;;
* ) [ ! $APPLICATION ] && APPLICATION="$1" \
|| ERROR "extra positional argument '$1'"
;;
esac
shift 1
done
[ ! $CLUSTER_NAME ] && CLUSTER_NAME=$(\
AWS eks list-clusters \
| jq -r '.[] | .[]' \
| FZF 'select a cluster'
)
[ ! $CLUSTER_NAME ] && ERROR 'must select a valid cluster or use -c flag'
CHECK_ERRORS
##########################################
STATUS 'creating / updating kubeconfig for EKS cluster'
STATUS "updating kubeconfig for '$CLUSTER_NAME'"
AWS eks update-kubeconfig --name $CLUSTER_NAME \
&& SUCCESS "kubeconfig updated with '$CLUSTER_NAME'" \
|| ERROR "failed to update kubeconfig; do you have permissions to access '$CLUSTER_NAME'?"
}