从k8s导出资源后,需要删除yaml里面的垃圾数据,需要批量改namespace名称,deploy中的镜像地址,改ingress的域名等等信息
通过如下脚本实现:
#!/bin/bash
# set -x
# 镜像环境变量之项目环境变量标签
itemEnv=dev
# 项目域名
## 项目主域名
mainDoname="xiaojinguang.com"
## 项目前端域名二级域名头
webDoname="side"
## 项目后端域名二级域名头
apiDoname="api"
# 项目二级域名中的环境变量标签(导出时):比如:dev,test,正式为空,同上面变量组合为:apidev.xiaojinguang.com,apitest.xiaojinguang.com
oldName=""
# 项目二级域名中的环境变量标签(需变更后的)
repName="dev"
# namespace
## 变更后的命名空间名称
NSnew=jintest
## change image
### 从k8s集群获取deploy中容器image数据的命名空间名称
NS=jindev
# docker 镜像仓库的项目名称
PROJECK=xiao
# 指定获取deploy中容器image数据时,连接k8s集群用的kubectl认证文件
configFile=~/.kube/config
shareDel=(
"creationTimestamp:"
"generation:"
"resourceVersion:"
"selfLink:"
"uid:"
)
deployDel=(
"annotations:"
"field.cattle.io\/publicEndpoints:"
"deployment.kubernetes.io\/revision:"
"cattle.io\/timestamp:"
"field.cattle.io\/ports:"
"creationTimestamp:"
"environment:"
)
ingressDel=(
"field.cattle.io\/publicEndpoints:"
)
servicesDel=(
"clusterIP:"
)
pvcDel=(
"pv.kubernetes.io\/bind-completed:"
"pv.kubernetes.io\/bound-by-controller:"
)
secretsDel=(
"annotations:"
"field.cattle.io\/projectId:"
"kubernetes.io\/service-account.name:"
"istio.io\/service-account.name:"
)
namespacesDel=(
"annotations:"
"field.cattle.io\/projectId"
"lifecycle.cattle.io\/create.namespace-auth"
"cattle.io\/status"
)
function getDirList(){
#script dir list
dirList=$(/bin/ls -lF $scriptDir|grep "/$" |awk '{print $NF}' |cut -d/ -f1)
# dirList=$(echo ingress)
for i in $dirList; do
# echo $(ls $i)
if [ "$1" == "deleteStatus" ] || [ "$1" == "deleteYamlAges" ];then
for ii in $(ls $i); do
deleteStatus(){
# delete item yaml status ages
echo "deleteStatus sed $i/$ii start"
sed -i "" -e '/^status:$/,$d' $i/$ii
}
deleteYamlAges(){
tmpname="${i}Del"
eval tmpList=\${$tmpname[@]}
workList="${shareDel[@]} $tmpList"
echo "workList=$workList"
# delete item yaml tmp ages
for iii in ${workList[@]}; do
# if [ ${iii%#*}x == "x" ];then
# continue
# fi
# if [[ $iii =~ "annotations" ]] && [ $i == "ingress" ];then
# continue
# fi
echo "deleteYamlAges $iii from $i/$ii sed"
sed -i "" "/$iii/d" $i/$ii
done
}
$1
done
elif [ $1 == "changeNamespace" ];then
changeNamespace(){
# delete namespce age
echo "changeNamespace start $i/*.yaml sed"
sed -i "" "s/namespace:.*/namespace: $NSnew/" $i/*.yaml
}
$1
fi
done
if [ $1 == "changeNamespace" ];then
sed -i "" "s/name:.*/name: $NSnew/" namespaces.yaml
fi
}
changeItemEnv(){
# replace item env value
echo "changeItemEnv start sed"
sed -i "" "/name: ITEMENV/{n;s/value:.*/value: $itemEnv/;}" deploy/*.yaml
}
changeDoname(){
echo "changeDoname start sed"
# replace item web doname
sed -i "" "s#${webDoname}${oldName}.${mainDoname}#$webDoname$repName.$mainDoname#" ingress/*.yaml
# replace item api doname
sed -i "" "s#${apiDoname}${oldName}.${mainDoname}#$apiDoname$repName.$mainDoname#" ingress/*.yaml
}
resetimage(){
resourceList=(
deploy
)
for aa in ${resourceList[@]}; do
aList=$(kubectl --kubeconfig $configFile -n $NS get $aa |grep -v NAME |awk '{print $1}')
if [ ! "${aList[*]}"x == "x" ];then
#[ -d ./$aa ] || mkdir ./$aa
for i in $aList;
do
itemImage=$(kubectl --kubeconfig $configFile -n $NS get deployments.apps $i -o wide |grep -v IMAGE |awk '{print $7}')
echo "$aa $i image:$itemImage"
# replace item image
sed -i "" "s#image:.*$PROJECK.*#image: $itemImage#" $aa/$i.yaml
done
fi
done
}
deleteOther(){
oList=$(ls *.yaml)
for bb in $oList; do
for cc in ${shareDel[@]}; do
echo "deleteOther $cc from $bb"
sed -i "" "/$cc/d" $bb
done
if [ "$bb" == "namespaces.yaml" ];then
for cc in ${namespacesDel[@]}; do
echo "deleteOther $cc from $bb"
sed -i "" "/$cc/d" $bb
done
fi
# delete item yaml status ages
echo "deleteStatus sed $bb start"
sed -i "" -e '/^status:$/,$d' $bb
done
}
# 替换deploy文件夹中yaml文件容器 image的值,通过参考一个k8s集群的namespace
resetimage
# 替换deploy 容器中环境变量名称ITEMENV的值
changeItemEnv
# 替换ingress中域名
changeDoname
# 替换yaml文件中命名空间值
getDirList changeNamespace
# 删除yaml资源中status资源数据
getDirList deleteStatus
# 删除yaml垃圾数据,可按不同的资源类型
getDirList deleteYamlAges
deleteOther