OpenShift:关于OpenShift(OKD)通过命令行的方式部署镜像以及S2I流程Demo

┌──[root@192.168.26.16]-[~]
└─$oc version
oc v3.11.0+0cbc58b
kubernetes v1.11.0+d4cacc0
features: Basic-Auth GSSAPI Kerberos SPNEGO

Server https://127.0.0.1:8443
kubernetes v1.11.0+d4cacc0

┌──[root@192.168.26.16]-[~]
└─$oc login -u developer
Logged into "https://127.0.0.1:8443" as "developer" using existing credentials.

You have access to the following projects and can switch between them with 'oc project <projectname>':

    hello-world
  * myproject

Using project "myproject".

┌──[root@192.168.26.16]-[~]
└─$cat /etc/profile
# /etc/profile

# System wide environment and startup programs, for login setup
# Functions and aliases go in /etc/bashrc

# It's NOT a good idea to change this file unless you know what you
# are doing. It's much better to create a custom.sh shell script in
# /etc/profile.d/ to make custom changes to your environment, as this
# will prevent the need for merging in future updates.

source <(oc completion bash)
....
┌──[root@192.168.26.16]-[~]
└─$source /etc/profile

┌──[root@192.168.26.16]-[~]
└─$oc new-project hello-world-oc
Now using project "hello-world-oc" on server "https://127.0.0.1:8443".

You can add applications to this project with the 'new-app' command. For example, try:

    oc new-app centos/ruby-25-centos7~https://github.com/sclorg/ruby-ex.git

to build a new example application in Ruby.

┌──[root@vms16.liruilongs.github.io]-[~]
└─$oc get project
NAME             DISPLAY NAME   STATUS
hello-world-oc                  Active
myproject        My Project     Active
┌──[root@vms16.liruilongs.github.io]-[~]
└─$oc login -u system:admin
┌──[root@vms16.liruilongs.github.io]-[~]
└─$oc get ns | grep hello
hello-world-oc                  Active    4m

┌──[root@192.168.26.16]-[~]
└─$docker pull openshift/hello-openshift
Using default tag: latest
latest: Pulling from openshift/hello-openshift
Digest: sha256:aaea76ff622d2f8bcb32e538e7b3cd0ef6d291953f3e7c9f556c1ba5baf47e2e
Status: Downloaded newer image for openshift/hello-openshift:latest
docker.io/openshift/hello-openshift:latest

┌──[root@192.168.26.16]-[~]
└─$oc new-app openshift/hello-openshift
--> Found Docker image 7af3297 (4 years old) from Docker Hub for "openshift/hello-openshift"

    * An image stream tag will be created as "hello-openshift:latest" that will track this image
    * This image will be deployed in deployment config "hello-openshift"
    * Ports 8080/tcp, 8888/tcp will be load balanced by service "hello-openshift"
      * Other containers can access this service through the hostname "hello-openshift"

--> Creating resources ...
    imagestream.image.openshift.io "hello-openshift" created
    deploymentconfig.apps.openshift.io "hello-openshift" created
    service "hello-openshift" created
--> Success
    Application is not exposed. You can expose services to the outside world by executing one or more of the commands below:
     'oc expose svc/hello-openshift'
    Run 'oc status' to view your app.
┌──[root@192.168.26.16]-[~]
└─$

┌──[root@vms16.liruilongs.github.io]-[~]
└─$oc get all
NAME                          READY     STATUS    RESTARTS   AGE
pod/hello-openshift-1-xx2q4   1/1       Running   3          183d

NAME                                      DESIRED   CURRENT   READY     AGE
replicationcontroller/hello-openshift-1   1         1         1         183d

NAME                      TYPE        CLUSTER-IP      EXTERNAL-IP   PORT(S)             AGE
service/hello-openshift   ClusterIP   172.30.166.53   <none>        8080/TCP,8888/TCP   183d

NAME                                                 REVISION   DESIRED   CURRENT   TRIGGERED BY
deploymentconfig.apps.openshift.io/hello-openshift   1          1         1         config,image(hello-openshift:latest)

NAME                                             DOCKER REPO                                 TAGS      UPDATED
imagestream.image.openshift.io/hello-openshift   172.30.1.1:5000/myproject/hello-openshift   latest    6 months ago

NAME                                       HOST/PORT         PATH      SERVICES          PORT       TERMINATION   WILDCARD
route.route.openshift.io/hello-openshift   hello.openshift             hello-openshift   8080-tcp                 None
┌──[root@vms16.liruilongs.github.io]-[~]
└─$

┌──[root@vms16.liruilongs.github.io]-[~]
└─$oc new-project  cicd-demo
Now using project "cicd-demo" on server "https://127.0.0.1:8443".

You can add applications to this project with the 'new-app' command. For example, try:

    oc new-app centos/ruby-25-centos7~https://github.com/sclorg/ruby-ex.git

to build a new example application in Ruby.

┌──[root@vms16.liruilongs.github.io]-[~]
└─$oc new-app centos/ruby-25-centos7~https://github.com/sclorg/ruby-ex.git
--> Found Docker image e96bd99 (18 months old) from Docker Hub for "centos/ruby-25-centos7"

    Ruby 2.5
    --------
    Ruby 2.5 available as container is a base platform for building and running various Ruby 2.5 applications and frameworks. Ruby is the interpreted scripting language for quick and easy object-oriented programming. It has many features to process text files and to do system management tasks (as in Perl). It is simple, straight-forward, and extensible.

    Tags: builder, ruby, ruby25, rh-ruby25

    * An image stream tag will be created as "ruby-25-centos7:latest" that will track the source image
    * A source build using source code from https://github.com/sclorg/ruby-ex.git will be created
      * The resulting image will be pushed to image stream tag "ruby-ex:latest"
      * Every time "ruby-25-centos7:latest" changes a new build will be triggered
    * This image will be deployed in deployment config "ruby-ex"
    * Port 8080/tcp will be load balanced by service "ruby-ex"
      * Other containers can access this service through the hostname "ruby-ex"

--> Creating resources ...
    imagestream.image.openshift.io "ruby-25-centos7" created
    imagestream.image.openshift.io "ruby-ex" created
    buildconfig.build.openshift.io "ruby-ex" created
    deploymentconfig.apps.openshift.io "ruby-ex" created
    service "ruby-ex" created
--> Success
    Build scheduled, use 'oc logs -f bc/ruby-ex' to track its progress.
    Application is not exposed. You can expose services to the outside world by executing one or more of the commands below:
     'oc expose svc/ruby-ex'
    Run 'oc status' to view your app.

┌──[root@vms16.liruilongs.github.io]-[~]
└─$oc expose svc/ruby-ex
route.route.openshift.io/ruby-ex exposed

s2i build https://github.com/sclorg/ruby-ex.git centos/ruby-25-centos7 my-ruby-app

#!/bin/bash

set -e

# Add application sources
cp -Rf /tmp/src/. /opt/app-root/src

# Install the dependencies
if [ -e /opt/app-root/src/Gemfile ]; then
  cd /opt/app-root/src
  bundle install --path=vendor/bundle
fi

# Run the build script
if [ -e /opt/app-root/src/build.sh ]; then
  cd /opt/app-root/src
  /bin/bash build.sh
fi

# Fix permissions
chown -Rf 1001:0 /opt/app-root
chmod -Rf g+rw /opt/app-root

exec "$@"

apiVersion: build.openshift.io/v1
kind: BuildConfig
metadata:
  name: myapp
spec:
  source:
    git:
      uri: https://github.com/myuser/myapp.git
    contextDir: path/to/source/code
  strategy:
    dockerStrategy:
      dockerfilePath: Dockerfile
  output:
    to:
      kind: ImageStreamTag
      name: myapp:latest

FROM base-image:tag
ADD path/to/source/code /app+