Kubernetes 集群使用 Helm 搭建 GitLab 并配置 Ingress

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专栏首页哎_小羊 Kubernetes 集群使用 Helm 搭建 GitLab 并配置 Ingress

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# 安装指定版本，例如：v0.22.3
$ curl -Lo minikube https://storage.googleapis.com/minikube/releases/v0.22.3/minikube-darwin-amd64
2、赋二进制文件执行权限
$ chmod +x minikube
3、将二进制文件移到 PATH 中 
$ sudo mv minikube /usr/local/bin/

1、安装最新版
curl -LO https://storage.googleapis.com/kubernetes-release/release/`curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt`/bin/darwin/amd64/kubectl
2、赋二进制文件执行权限
chmod +x ./kubectl
3、将二进制文件移到 PATH 中
sudo mv ./kubectl /usr/local/bin/kubectl

$ brew info kubectl
kubernetes-cli: stable 1.11.0 (bottled), HEAD
Kubernetes command-line interface
https://kubernetes.io/
Not installed
From: https://github.com/Homebrew/homebrew-core/blob/master/Formula/kubernetes-cli.rb
==> Dependencies
Build: go ✔
==> Options
--HEAD
    Install HEAD version

class KubernetesCli < Formula
  desc "Kubernetes command-line interface"
  homepage "https://kubernetes.io/"
  url "https://github.com/kubernetes/kubernetes.git",
      :tag => "v1.11.0",
      :revision => "91e7b4fd31fcd3d5f436da26c980becec37ceefe"
  head "https://github.com/kubernetes/kubernetes.git"
......

$ git clone https://github.com/Homebrew/homebrew-core.git

$ cd homebrew-core
$ git log ./Formula/kubernetes-cli.rb | less
......
commit 6efa7fb97724c27bf436a8b888008cc821f5b186
Author: Christoph Blecker <admin@toph.ca>
Date:   Thu Aug 31 12:27:35 2017 -0700
    kubernetes-cli 1.7.5
    Closes #17448.
    Signed-off-by: JCount <JCount42@gmail.com>
......

$ git checkout 6efa7fb

$ cat ./Formula/kubernetes-cli.rb
class KubernetesCli < Formula
  desc "Kubernetes command-line interface"
  homepage "https://kubernetes.io/"
  url "https://github.com/kubernetes/kubernetes.git",
      :tag => "v1.7.5",
      :revision => "17d7182a7ccbb167074be7a87f0a68bd00d58d97"
  head "https://github.com/kubernetes/kubernetes.git"
......

$ brew install ./Formula/kubernetes-cli.rb

$ kubectl version
Client Version: version.Info{Major:"1", Minor:"7", GitVersion:"v1.7.5", GitCommit:"17d7182a7ccbb167074be7a87f0a68bd00d58d97", GitTreeState:"clean", BuildDate:"2017-08-31T09:14:02Z", GoVersion:"go1.8.3", Compiler:"gc", Platform:"darwin/amd64"}

# 设置内存大小
$ minikube config set memory 4096
# 设置 CPU 核数
$ minikube config set cpus 2
# 设置存储空间大小
$ minikube config set disk-size 51200

$ minikube start --memory 4096 --cpus 2 --disk-size 51200
Starting local Kubernetes v1.7.5 cluster...
Starting VM...
Getting VM IP address...
Moving files into cluster...
Setting up certs...
Connecting to cluster...
Setting up kubeconfig...
Starting cluster components...
Kubectl is now configured to use the cluster.

$ kubectl version
Client Version: version.Info{Major:"1", Minor:"7", GitVersion:"v1.7.5", GitCommit:"17d7182a7ccbb167074be7a87f0a68bd00d58d97", GitTreeState:"clean", BuildDate:"2017-08-31T09:14:02Z", GoVersion:"go1.8.3", Compiler:"gc", Platform:"darwin/amd64"}
Server Version: version.Info{Major:"1", Minor:"7", GitVersion:"v1.7.5", GitCommit:"17d7182a7ccbb167074be7a87f0a68bd00d58d97", GitTreeState:"clean", BuildDate:"2017-09-18T20:30:29Z", GoVersion:"go1.8.3", Compiler:"gc", Platform:"linux/amd64"}
$ kubectl get cs
NAME                 STATUS    MESSAGE              ERROR
scheduler            Healthy   ok
controller-manager   Healthy   ok
etcd-0               Healthy   {"health": "true"}

$ minikube docker-env
export DOCKER_TLS_VERIFY="1"
export DOCKER_HOST="tcp://192.168.99.100:2376"
export DOCKER_CERT_PATH="/Users/wanyang3/.minikube/certs"
export DOCKER_API_VERSION="1.23"
# Run this command to configure your shell:
# eval $(minikube docker-env)
# 设置 Docker 环境变量
$ eval $(minikube docker-env)
$ docker images
REPOSITORY                                             TAG                            IMAGE ID            CREATED             SIZE
gcr.io/google-containers/kube-addon-manager            v6.4-beta.2                    51a9cd46a30c        2 months ago        79.2MB
gcr.io/google_containers/kubernetes-dashboard-amd64    v1.6.3                         4da5a945ae40        4 months ago        88.9MB
gcr.io/google_containers/k8s-dns-dnsmasq-nanny-amd64   1.14.4                         dbe106a365a5        6 months ago        41.4MB
gcr.io/google_containers/k8s-dns-sidecar-amd64         1.14.4                         db6d003fad04        6 months ago        41.8MB
gcr.io/google_containers/k8s-dns-kube-dns-amd64        1.14.4                         a8e00546bcf3        8 months ago        49.4MB
gcr.io/google_containers/pause-amd64                   3.0                            99e59f495ffa        22 months ago       747kB

$ wget https://storage.googleapis.com/kubernetes-helm/helm-v2.8.0-darwin-amd64.tar.gz
$ tar -zxvf helm-v2.7.2-darwin-amd64.tar.gz
$ chmod +x ./darwin-amd64/helm
$ mv ./darwin-amd64/helm /usr/local/bin/

$ brew install kubernetes-helm

$ helm init
Creating /Users/wanyang3/.helm
Creating /Users/wanyang3/.helm/repository
Creating /Users/wanyang3/.helm/repository/cache
Creating /Users/wanyang3/.helm/repository/local
Creating /Users/wanyang3/.helm/plugins
Creating /Users/wanyang3/.helm/starters
Creating /Users/wanyang3/.helm/cache/archive
Creating /Users/wanyang3/.helm/repository/repositories.yaml
Adding stable repo with URL: https://kubernetes-charts.storage.googleapis.com
Adding local repo with URL: http://127.0.0.1:8879/charts
$HELM_HOME has been configured at /Users/wanyang3/.helm.

$ helm version
Client: &version.Version{SemVer:"v2.8.0", GitCommit:"14af25f1de6832228539259b821949d20069a222", GitTreeState:"clean"}
Server: &version.Version{SemVer:"v2.8.0", GitCommit:"14af25f1de6832228539259b821949d20069a222", GitTreeState:"clean"}
$ kubectl get pods --all-namespaces
NAMESPACE     NAME                              READY     STATUS    RESTARTS   AGE
default       hello-minikube-2754686071-0g6h3   1/1       Running   1          1d
kube-system   kube-addon-manager-minikube       1/1       Running   1          1d
kube-system   kube-dns-910330662-04l0k          3/3       Running   3          1d
kube-system   kubernetes-dashboard-2lvgh        1/1       Running   1          1d
kube-system   tiller-deploy-246345418-sqx12     1/1       Running   3          1d

$ docker pull huwanyang168/tiller:v2.8.0
$ docker tag huwanyang168/tiller:v2.8.0 gcr.io/kubernetes-helm/tiller:v2.8.0

## GitLab CE image
## ref: https://hub.docker.com/r/gitlab/gitlab-ce/tags/
image: gitlab/gitlab-ce:10.6.2-ce.0
## Specify a imagePullPolicy
## 'Always' if imageTag is 'latest', else set to 'IfNotPresent'
## ref: http://kubernetes.io/docs/user-guide/images/#pre-pulling-images
imagePullPolicy: IfNotPresent
## The URL (with protocol) that your users will use to reach the install.
## ref: https://docs.gitlab.com/omnibus/settings/configuration.html#configuring-the-external-url-for-gitlab
externalUrl: http://my.gitlab.com/
## Change the initial default admin password if set. If not set, you'll be
## able to set it when you first visit your install.
gitlabRootPassword: "123456hwy"
## For minikube, set this to NodePort, elsewhere use LoadBalancer
## ref: http://kubernetes.io/docs/user-guide/services/#publishing-services---service-types
serviceType: NodePort
## Ingress configuration options
ingress:
  annotations:
      # kubernetes.io/ingress.class: nginx
      # kubernetes.io/tls-acme: "true"
  enabled: false
      # - secretName: gitlab.cluster.local
      #   hosts:
      #     - gitlab.cluster.local
  url: gitlab.cluster.local
## Configure external service ports
## ref: http://kubernetes.io/docs/user-guide/services/
sshPort: 22
httpPort: 80
httpsPort: 443
## livenessPort Port of liveness probe endpoint
livenessPort: http
## readinessPort Port of readiness probe endpoint
readinessPort: http
## Configure resource requests and limits
## ref: http://kubernetes.io/docs/user-guide/compute-resources/
resources:
  ## GitLab requires a good deal of resources. We have split out Postgres and
  ## redis, which helps some. Refer to the guidelines for larger installs.
  ## ref: https://docs.gitlab.com/ce/install/requirements.html#hardware-requirements
  requests:
    memory: 1Gi
    cpu: 500m
  limits:
    memory: 2Gi
    cpu: 1
## Enable persistence using Persistent Volume Claims
## ref: http://kubernetes.io/docs/user-guide/persistent-volumes/
## ref: https://docs.gitlab.com/ce/install/requirements.html#storage
persistence:
  ## This volume persists generated configuration files, keys, and certs.
  gitlabEtc:
    enabled: true
    size: 1Gi
    ## If defined, volume.beta.kubernetes.io/storage-class: <storageClass>
    ## Default: volume.alpha.kubernetes.io/storage-class: default
    # storageClass:
    accessMode: ReadWriteOnce
  ## This volume is used to store git data and other project files.
  ## ref: https://docs.gitlab.com/omnibus/settings/configuration.html#storing-git-data-in-an-alternative-directory
  gitlabData:
    enabled: true
    size: 10Gi
    ## If defined, volume.beta.kubernetes.io/storage-class: <storageClass>
    ## Default: volume.alpha.kubernetes.io/storage-class: default
    # storageClass:
    accessMode: ReadWriteOnce
## Configuration values for the postgresql dependency.
## ref: https://github.com/kubernetes/charts/blob/master/stable/postgresql/README.md
postgresql:
  # 9.6 is the newest supported version for the GitLab container
  imageTag: "9.6.5"
  cpu: 1000m
  memory: 1Gi
  postgresUser: gitlab
  postgresPassword: gitlab
  postgresDatabase: gitlab
  persistence:
    size: 10Gi
## Configuration values for the redis dependency.
## ref: https://github.com/kubernetes/charts/blob/master/stable/redis/README.md
redis:
  redisPassword: "gitlab"
  resources:
    requests:
      memory: 1Gi
  persistence:
    size: 10Gi

$ helm install --name gitlab -f values.yaml stable/gitlab-ce

$ helm install --name gitlab -f values.yaml stable/gitlab-ce
Error: failed to download "stable/gitlab-ce"
bj-m-204072a:k8s-gitlab-ce wanyang3$ helm install --name gitlab -f values.yaml stable/gitlab-ce
NAME:   gitlab
LAST DEPLOYED: Wed Jul 11 11:36:36 2018
NAMESPACE: default
STATUS: DEPLOYED
RESOURCES:
==> v1/Secret
NAME               TYPE    DATA  AGE
gitlab-postgresql  Opaque  1     2s
gitlab-redis       Opaque  1     2s
gitlab-gitlab-ce   Opaque  4     2s
==> v1/ConfigMap
NAME              DATA  AGE
gitlab-gitlab-ce  1     2s
==> v1/PersistentVolumeClaim
NAME                   STATUS   VOLUME                                    CAPACITY  ACCESS MODES  STORAGECLASS  AGE
gitlab-postgresql      Pending  standard                                  2s
gitlab-redis           Bound    pvc-9d3f3747-84bb-11e8-ad5b-080027de4c7f  10Gi  RWO  standard  2s
gitlab-gitlab-ce-data  Bound    pvc-9d401d9d-84bb-11e8-ad5b-080027de4c7f  10Gi  RWO  standard  2s
gitlab-gitlab-ce-etc   Pending  standard                                  2s
==> v1/Service
NAME               TYPE          CLUSTER-IP  EXTERNAL-IP  PORT(S)                                  AGE
gitlab-postgresql  ClusterIP     10.0.0.77   <none>       5432/TCP                                 2s
gitlab-redis       ClusterIP     10.0.0.67   <none>       6379/TCP                                 2s
gitlab-gitlab-ce   LoadBalancer  10.0.0.133  <pending>    22:30733/TCP,80:30638/TCP,443:31737/TCP  1s
==> v1beta1/Deployment
NAME               DESIRED  CURRENT  UP-TO-DATE  AVAILABLE  AGE
gitlab-postgresql  1        1        1           0          1s
gitlab-redis       1        1        1           0          1s
gitlab-gitlab-ce   1        1        1           0          1s
==> v1/Pod(related)
NAME                                READY  STATUS   RESTARTS  AGE
gitlab-postgresql-1290581213-jbm0s  0/1    Pending  0         1s
gitlab-redis-2286670209-dfrks       0/1    Pending  0         0s
gitlab-gitlab-ce-2349088227-z1nkn   0/1    Pending  0         0s
NOTES:
##############################################################################
This chart has been deprecated in favor of the official GitLab chart:
http://docs.gitlab.com/ce/install/kubernetes/gitlab_omnibus.html
##############################################################################
1. Get your GitLab URL by running:
  NOTE: It may take a few minutes for the LoadBalancer IP to be available.
        Watch the status with: 'kubectl get svc -w gitlab-gitlab-ce'
  export SERVICE_IP=$(kubectl get svc --namespace default gitlab-gitlab-ce -o jsonpath='{.status.loadBalancer.ingress[0].ip}')
  echo http://$SERVICE_IP/
2. Login as the root user:
  Username: root
  Password: 123456hwy
3. Point a DNS entry at your install to ensure that your specified
   external URL is reachable:
   http://my.gitlab.com/

$ kubectl get pods
NAME                                 READY     STATUS    RESTARTS   AGE
gitlab-gitlab-ce-2349088227-z1nkn    1/1       Running   0          5m
gitlab-postgresql-1290581213-jbm0s   1/1       Running   0          5m
gitlab-redis-2286670209-dfrks        1/1       Running   0          5m
$ kubectl get svc
NAME                CLUSTER-IP   EXTERNAL-IP   PORT(S)                                   AGE
gitlab-gitlab-ce    10.0.0.133   <nodes>       22:30733/TCP,80:30638/TCP,443:31737/TCP   5h
gitlab-postgresql   10.0.0.77    <none>        5432/TCP                                  5h
gitlab-redis        10.0.0.67    <none>        6379/TCP                                  5h
kubernetes          10.0.0.1     <none>        443/TCP                                   12d

$ minikube addons list
- kube-dns: enabled
- ingress: disabled
- registry: disabled
- addon-manager: enabled
- dashboard: enabled
- default-storageclass: enabled
- heapster: disabled
- registry-creds: disabled

$ minikube addons enabled ingress
$ minikube stop
$ minikube start

$ kubectl get pods -n kube-system
NAME                             READY     STATUS    RESTARTS   AGE
default-http-backend-j2bmz       1/1       Running   1          1h
nginx-ingress-controller-9tq68   1/1       Running   1          1h
kube-addon-manager-minikube      1/1       Running   1          2d
kube-dns-910330662-lj3xz         3/3       Running   3          2d
kubernetes-dashboard-wx8gl       1/1       Running   1          2d
tiller-deploy-246345418-8lqpm    1/1       Running   1          2h

# 创建 Yaml 文件
$ vim my-gitlab-com.yaml
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  name: my-gitlab-com
  namespace: default
spec:
  rules:
  - host: my.gitlab.com
    http:
      paths:
      - backend:
          serviceName: gitlab-gitlab-ce
          servicePort: 80
# 创建 ingress
$ kubectl create -f my-gitlab-com.yaml
ingress "my-gitlab-com" created
# 查看 ingress
$ kubectl get ingress --all-namespaces
NAMESPACE     NAME             HOSTS            ADDRESS          PORTS     AGE
default       my-gitlab-com    my.gitlab.com    192.168.99.101   80        5s

$ kubectl get svc --all-namespaces
NAMESPACE     NAME                   CLUSTER-IP   EXTERNAL-IP   PORT(S)                                   AGE
default       gitlab-gitlab-ce       10.0.0.133   <nodes>       22:30733/TCP,80:30638/TCP,443:31737/TCP   2d
default       gitlab-postgresql      10.0.0.77    <none>        5432/TCP                                  2d
default       gitlab-redis           10.0.0.67    <none>        6379/TCP                                  2d
default       kubernetes             10.0.0.1     <none>        443/TCP                                   13d
kube-system   default-http-backend   10.0.0.145   <nodes>       80:30001/TCP                              2d
kube-system   kube-dns               10.0.0.10    <none>        53/UDP,53/TCP                             13d
kube-system   kubernetes-dashboard   10.0.0.161   <nodes>       80:30000/TCP                              13d
kube-system   tiller-deploy          10.0.0.112   <none>        44134/TCP                                 11d

哎_小羊

Kubernetes 集群使用 Helm 搭建 GitLab 并配置 Ingress

Kubernetes 集群使用 Helm 搭建 GitLab 并配置 Ingress

1、Helm 介绍

2、环境、软件准备

3、安装并配置 Minikube

4、HomeBrew 安装指定版本 kubectl

5、安装并初始化 Helm

6、使用 Helm 安装 Gitlab

7、配置 Ingress 访问 GitLab