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kubeasz
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easzctl 优化list/新增destroy功能

pull/485/head
gjmzj 2019-03-13 20:47:53 +08:00
parent b93ca1df75
commit 63cd74ff5f
1 changed files with 48 additions and 6 deletions
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54
tools/easzctl
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@ -1,6 +1,6 @@
#!/bin/bash
#
# This script can be used to manage k8s clusters. (developing)
# This script aims to manage k8s clusters created by 'kubeasz'. (developing)
set -o nounset
set -o errexit
@ -17,9 +17,9 @@ Commands 1 (in-cluster opration):
clean-node To clean a node, whatever role the node plays
Commands 2 (cluster-wide operation):
checkout To switch to cluster <clustername> context, or create it if not existed
destroy To destroy the current cluster, with '--purge' option to also delete the context
list To list all of clusters managed
setup To setup a cluster using the current context
status To check the status of the current cluster
Use "easzctl help <command>" for more information about a given command.
EOF
@ -180,10 +180,14 @@ function install_context() {
done
echo "[INFO] install $1 ansible hosts"
[ -f "$BASEPATH/.cluster/$1/hosts" ] && cp -fp $BASEPATH/.cluster/$1/hosts $BASEPATH/
if [ -f "$BASEPATH/.cluster/$1/hosts" ];then
cp -fp $BASEPATH/.cluster/$1/hosts $BASEPATH/
fi
echo "[INFO] install $1 kubeconfig"
[ -f "$BASEPATH/.cluster/$1/config" ] && cp -fp $BASEPATH/.cluster/$1/config /root/.kube/
if [ -f "$BASEPATH/.cluster/$1/config" ];then
cp -fp $BASEPATH/.cluster/$1/config /root/.kube/
fi
}
function checkout() {
@ -224,18 +228,48 @@ function setup() {
[ -f "$BASEPATH/bin/kube-apiserver" ] || { echo "[ERROR] no binaries found, download then fist"; return 1; }
[ -f "$BASEPATH/hosts" ] || { echo "[ERROR] no ansible hosts found, read 'docs/setup/00-planning_and_overall_intro.md'"; return 1; }
echo -e "[INFO] setup begin in 15s, press 'Enter' to stop it\n:"
! (read -t 15 ANS) || { echo "[WARN] setup aborted"; return 1; }
! (read -t 10 ANS) || { echo "[WARN] setup aborted"; return 1; }
ansible-playbook $BASEPATH/90.setup.yml
echo "[INFO] save context: $CLUSTER"
save_context $CLUSTER
}
function list() {
ls $BASEPATH/.cluster/ |grep -v current_cluster
CLUSTER=$(cat $BASEPATH/.cluster/current_cluster)
save_context $CLUSTER
i=1
for Cluster in $(ls $BASEPATH/.cluster/ |grep -v current_cluster);
do
KUBECONF=$BASEPATH/.cluster/$Cluster/config
if [ -f "$KUBECONF" ]; then
echo -e "\ncluster $i: $Cluster"
$BASEPATH/bin/kubectl --kubeconfig=$KUBECONF get node
fi
let "i++"
done
echo -e "\nCurrent cluster context is: $CLUSTER"
}
function destroy() {
CLUSTER=$(cat $BASEPATH/.cluster/current_cluster)
echo -e "[WARN] DELETE cluster: $CLUSTER, Continue? y/n:\n"
read -t 15 ANS || { echo "[WARN] timeout, destroy aborted"; return 1; }
if [[ -n $ANS && $ANS == y ]];then
echo "[INFO] clean all nodes of cluster"
sleep 5
ansible-playbook $BASEPATH/99.clean.yml
if [[ -n $1 && $1 == --purge ]];then
echo "[INFO] delete current context"
rm -rf $BASEPATH/.cluster/$CLUSTER
echo default > $BASEPATH/.cluster/current_cluster
rm -rf $BASEPATH/hosts /root/.kube/*
echo "[INFO] change current context to default"
install_context default
fi
else
echo "[WARN] destroy aborted"; return 1;
fi
}
### Main Lines ##################################################
BASEPATH=/etc/ansible
@ -279,6 +313,14 @@ case "$1" in
ACTION="Action: checkout cluster context"
CMD="checkout $2"
;;
(destroy)
ACTION="Action: destroy current cluster"
if [ "$#" -gt 1 ];then
CMD="destroy $2"
else
CMD="destroy"
fi
;;
(setup)
ACTION="Action: setup cluster with current context"
CMD="setup"