各个 node上 下载 helm tiller docker image
docker pull registry.cn-hangzhou.aliyuncs.com/google-containers/tiller:v2.2.0
docker tag registry.cn-hangzhou.aliyuncs.com/google-containers/tiller:v2.2.0 gcr.io/kubernetes-helm/tiller:v2.2.0
k8s master上下载helm
https://storage.googleapis.com/kubernetes-helm/helm-v2.2.0-linux-amd64.tar.gz
tar -xvf helm-v2.2.0-linux-amd64.tar.gz && mv ./linux-amd64/helm /usr/bin/helm
helm 初始化
helm init
(上述命令有可能失败，如
Error: Looks like "https://kubernetes-charts.storage.googleapis.com" is not a valid chart repository or cannot be reached: Get https://kubernetes-charts.storage.googleapis.com/index.yaml: dial tcp 74.125.204.128:443: i/o timeout
可稍后重试）
查看tiller-depoy 启动状态
kubectl get pods --namespace=kube-system -o wide
helm试用
[root@cloud4ourself-kcluster1 ~]# helm version
Client: &version.Version{SemVer:"v2.2.0", GitCommit:"fc315ab59850ddd1b9b4959c89ef008fef5cdf89", GitTreeState:"clean"}
Server: &version.Version{SemVer:"v2.2.0", GitCommit:"fc315ab59850ddd1b9b4959c89ef008fef5cdf89", GitTreeState:"clean"}
获取charts
[root@cloud4ourself-kcluster1 ~]# helm search mysql
NAME VERSION DESCRIPTION
stable/mysql 0.2.5 Fast, reliable, scalable, and easy to use open-...
stable/mariadb 0.5.10 Fast, reliable, scalable, and easy to use open-...
[root@cloud4ourself-kcluster1 ~]#
[root@cloud4ourself-kcluster1 ~]#
[root@cloud4ourself-kcluster1 ~]# helm install stable/mariadb
NAME: hazy-heron
LAST DEPLOYED: Wed Mar 15 10:58:20 2017
NAMESPACE: default
STATUS: DEPLOYED
RESOURCES:
==> v1/Secret
NAME TYPE DATA AGE
hazy-heron-mariadb Opaque 2 0s
==> v1/ConfigMap
NAME DATA AGE
hazy-heron-mariadb 1 0s
==> v1/PersistentVolumeClaim
NAME STATUS VOLUME CAPACITY ACCESSMODES AGE
hazy-heron-mariadb Pending 0s
==> v1/Service
NAME CLUSTER-IP EXTERNAL-IP PORT(S) AGE
hazy-heron-mariadb 10.100.193.197 <none> 3306/TCP 0s
==> extensions/v1beta1/Deployment
NAME DESIRED CURRENT UP-TO-DATE AVAILABLE AGE
hazy-heron-mariadb 1 1 1 0 0s
NOTES:
MariaDB can be accessed via port 3306 on the following DNS name from within your cluster:
hazy-heron-mariadb.default.svc.cluster.local
To connect to your database:
1. Run a pod that you can use as a client:
kubectl run hazy-heron-mariadb-client --rm --tty -i --image bitnami/mariadb --command -- bash
2. Connect using the mysql cli, then provide your password:
$ mysql -h hazy-heron-mariadb
查看新增pod
kubectl get pod
kubectl describe pod hazy-heron-mariadb-239282535-t501b
Events:
FirstSeen LastSeen Count From SubObjectPath Type Reason Message
--------- -------- ----- ---- ------------- -------- ------ -------
19m 24s 70 {default-scheduler } Warning FailedScheduling [SchedulerPredicates failed due to PersistentVolumeClaim is not bound: "hazy-heron-mariadb", which is unexpected., SchedulerPredicates failed due to PersistentVolumeClaim is not bound: "hazy-heron-mariadb", which is unexpected., SchedulerPredicates failed due to PersistentVolumeClaim is not bound: "hazy-heron-mariadb", which is unexpected.]
错误原因为：
[root@cloud4ourself-kcluster1 ~]# kubectl describe pvc hazy-heron-mariadb
Name: hazy-heron-mariadb
Namespace: default
StorageClass: default
Status: Pending
Volume:
Labels: app=hazy-heron-mariadb
chart=mariadb-0.5.10
heritage=Tiller
release=hazy-heron
Capacity:
Access Modes:
Events:
FirstSeen LastSeen Count From SubObjectPath Type Reason Message
--------- -------- ----- ---- ------------- -------- ------ -------
1h 53m 65 {persistentvolume-controller } Warning ProvisioningFailed cannot find volume plugin for alpha provisioning
52m 52m 2 {persistentvolume-controller } Warning ProvisioningFailed cannot find volume plugin for alpha provisioning
51m 26m 99 {persistentvolume-controller } Warning ProvisioningFailed cannot find volume plugin for alpha provisioning
24m 9s 98 {persistentvolume-controller } Warning ProvisioningFailed cannot find volume plugin for alpha provisioning
git clone https://github.com/kubernetes/charts
cd charts/stable/mariadb/templates
grep alpha pvc.yaml
pvc.yaml: volume.alpha.kubernetes.io/storage-class: default
[root@cloud4ourself-kcluster1 templates]# kubectl get storageclass
NAME TYPE
fast kubernetes.io/rbd
slow kubernetes.io/rbd
修改为“”volume.beta.kubernetes.io/storage-class: slow“”
helm install stable/mariadb/
[root@cloud4ourself-kcluster1 ~]# kubectl get pvc
NAME STATUS VOLUME CAPACITY ACCESSMODES AGE
data-mysql-0 Bound pvc-6c385d50-057a-11e7-9e49-fa163ef34ac6 10Gi RWO 4d
data-mysql-1 Bound pvc-6c3fa1a6-057a-11e7-9e49-fa163ef34ac6 10Gi RWO 4d
data-mysql-2 Bound pvc-6c472689-057a-11e7-9e49-fa163ef34ac6 10Gi RWO 4d
hazy-heron-mariadb Pending 5h
saucy-numbat-mariadb Pending 6m
[root@cloud4ourself-kcluster1 ~]# kubectl describe pvc saucy-numbat-mariadb
Name: saucy-numbat-mariadb
Namespace: default
StorageClass: slow
Status: Pending
Volume:
Labels: app=saucy-numbat-mariadb
chart=mariadb-0.5.10
heritage=Tiller
release=saucy-numbat
Capacity:
Access Modes:
Events:
FirstSeen LastSeen Count From SubObjectPath Type Reason Message
--------- -------- ----- ---- ------------- -------- ------ -------
5m 9s 21 {persistentvolume-controller } Warning ProvisioningFailed Failed to provision volume with StorageClass "slow": rbd: create volume failed, err: executable file not found in $PATH
解决办法参考，http://www.jianshu.com/p/98337fc2e8d3
[root@cloud4ourself-kcluster1 ~]# kubectl get pvc
NAME STATUS VOLUME CAPACITY ACCESSMODES AGE
hazy-heron-mariadb Pending 5h
saucy-numbat-mariadb Pending 14m
xrayed-frog-mariadb Pending 4m
[root@cloud4ourself-kcluster1 ~]# kubectl get pvc
NAME STATUS VOLUME CAPACITY ACCESSMODES AGE
hazy-heron-mariadb Pending 5h
saucy-numbat-mariadb Bound pvc-1c8320c4-0958-11e7-8870-fa163ef34ac6 8Gi RWO 14m
xrayed-frog-mariadb Bound pvc-86a3a3e6-0959-11e7-8870-fa163ef34ac6 8Gi RWO 4m
[root@cloud4ourself-kcluster1 ~]# kubectl get pod
NAME READY STATUS RESTARTS AGE
hazy-heron-mariadb-239282535-t501b 0/1 Pending 0 5h
saucy-numbat-mariadb-958934623-vg6fk 0/1 Init:0/1 0 15m
xrayed-frog-mariadb-3843238841-6x4m1 0/1 Init:0/1 0 5m
[root@cloud4ourself-kcluster1 mariadb]# kubectl get pod
NAME READY STATUS RESTARTS AGE
hazy-heron-mariadb-239282535-t501b 0/1 Pending 0 5h
saucy-numbat-mariadb-958934623-vg6fk 1/1 Running 0 19m
xrayed-frog-mariadb-3843238841-6x4m1 0/1 Running 0 9m
#########################################
更新2017-08-21
install helm
http://www.jianshu.com/p/1953b86649df
download helm
wget https://storage.googleapis.com/kubernetes-helm/helm-v2.6.0-linux-amd64.tar.gz
tar -xvf helm-v2.6.0-linux-amd64.tar.gz
sudo mv linux-amd64/helm /usr/local/bin/
rm -rf linux-amd64
create sa
kubectl create serviceaccount --namespace kube-system tiller
kubectl create clusterrolebinding tiller-cluster-rule --clusterrole=cluster-admin --serviceaccount=kube-system:tiller
kubectl patch deploy --namespace kube-system tiller-deploy -p '{"spec":{"template":{"spec":{"serviceAccount":"tiller"}}}}'
run helm
helm init --service-account tiller --tiller-image 4admin2root/tiller:v2.6.0 --upgrade
check tiller in k8s
tiller-deploy-3864618634-gjqn7 1/1 Running 0 8m 10.32.0.60
➜ ~ helm version
Client: &version.Version{SemVer:"v2.6.0", GitCommit:"5bc7c619f85d74702e810a8325e0a24f729aa11a", GitTreeState:"clean"}
Server: &version.Version{SemVer:"v2.6.0", GitCommit:"5bc7c619f85d74702e810a8325e0a24f729aa11a", GitTreeState:"clean"}
for example:
helm search jenkins
helm install --name my-release --set Persistence.StorageClass=slow stable/jenkins
helm get my-release
