Images OpenShift Container Platform 4.12 Creating and managing images and imagestreams in OpenShift Container Platform Red Hat OpenShift Documentation Team

Commands:
registry.redhat.io
docker.io/openshift/jenkins-2-centos7
registry.access.redhat.com/openshift3/jenkins-2-rhel7:v3.11.59-2
docker.io/openshift/jenkins-2-centos7@sha256:ab312bda324
apiVersion: samples.operator.openshift.io/v1 kind: Config metadata: name: cluster spec: architectures: - x86_64 managementState: Removed
oc edit configs.samples.operator.openshift.io/cluster -o yaml
apiVersion: samples.operator.openshift.io/v1 kind: Config
oc tag -d <image_stream_name:tag>
Deleted tag default/<image_stream_name:tag>.
tar xvf <file>
echo USDPATH
oc <command>
C:\> path
C:\> oc <command>
echo USDPATH
oc <command>
cat ./pull-secret | jq . > <path>/<pull_secret_file_in_json> 1
{ "auths": { "cloud.openshift.com": { "auth": "b3BlbnNo...", "email": "you@example.com" }, "quay.io": { "auth": "b3BlbnNo...", "email": "you@example.com" }, "registry.connect.redhat.com": { "auth": "NTE3Njg5Nj...", "email": "you@example.com" }, "registry.redhat.io": { "auth": "NTE3Njg5Nj...", "email": "you@example.com" } } }
echo -n '<user_name>:<password>' | base64 -w0 1 BGVtbYk3ZHAtqXs=
"auths": { "<mirror_registry>": { 1 "auth": "<credentials>", 2 "email": "you@example.com" } },
{ "auths": { "registry.example.com": { "auth": "BGVtbYk3ZHAtqXs=", "email": "you@example.com" }, "cloud.openshift.com": { "auth": "b3BlbnNo...", "email": "you@example.com" }, "quay.io": { "auth": "b3BlbnNo...", "email": "you@example.com" }, "registry.connect.redhat.com": { "auth": "NTE3Njg5Nj...", "email": "you@example.com" }, "registry.redhat.io": { "auth": "NTE3Njg5Nj...", "email": "you@example.com" } } }
OCP_RELEASE=<release_version>
LOCAL_REGISTRY='<local_registry_host_name>:<local_registry_host_port>'
LOCAL_REPOSITORY='<local_repository_name>'
PRODUCT_REPO='openshift-release-dev'
LOCAL_SECRET_JSON='<path_to_pull_secret>'
RELEASE_NAME="ocp-release"
ARCHITECTURE=<server_architecture>
REMOVABLE_MEDIA_PATH=<path> 1
oc adm release mirror -a USD{LOCAL_SECRET_JSON} --from=quay.io/USD{PRODUCT_REPO}/USD{RELEASE_NAME}:USD{OCP_RELEASE}-USD{ARCHITECTURE} --to=USD{LOCAL_REGISTRY}/USD{LOCAL_REPOSITORY} --to-release-image=USD{LOCAL_REGISTRY}/USD{LOCAL_REPOSITORY}:USD{OCP_RELEASE}-USD{ARCHITECTURE} --dry-run
oc adm release mirror -a USD{LOCAL_SECRET_JSON} --to-dir=USD{REMOVABLE_MEDIA_PATH}/mirror quay.io/USD{PRODUCT_REPO}/USD{RELEASE_NAME}:USD{OCP_RELEASE}-USD{ARCHITECTURE}
oc image mirror -a USD{LOCAL_SECRET_JSON} --from-dir=USD{REMOVABLE_MEDIA_PATH}/mirror "file://openshift/release:USD{OCP_RELEASE}*" USD{LOCAL_REGISTRY}/USD{LOCAL_REPOSITORY} 1
oc adm release mirror -a USD{LOCAL_SECRET_JSON} --from=quay.io/USD{PRODUCT_REPO}/USD{RELEASE_NAME}:USD{OCP_RELEASE}-USD{ARCHITECTURE} --to=USD{LOCAL_REGISTRY}/USD{LOCAL_REPOSITORY} --to-release-image=USD{LOCAL_REGISTRY}/USD{LOCAL_REPOSITORY}:USD{OCP_RELEASE}-USD{ARCHITECTURE}
oc adm release extract -a USD{LOCAL_SECRET_JSON} --icsp-file=<file> \ --command=openshift-install "USD{LOCAL_REGISTRY}/USD{LOCAL_REPOSITORY}:USD{OCP_RELEASE}"
oc adm release extract -a USD{LOCAL_SECRET_JSON} --command=openshift-install "USD{LOCAL_REGISTRY}/USD{LOCAL_REPOSITORY}:USD{OCP_RELEASE}-USD{ARCHITECTURE}"
openshift-install
oc get is <imagestream> -n openshift -o json | jq .spec.tags[].from.name | grep registry.redhat.io
oc image mirror registry.redhat.io/rhscl/ruby-25-rhel7:latest USD{MIRROR_ADDR}/rhscl/ruby-25-rhel7:latest
oc create configmap registry-config --from-file=USD{MIRROR_ADDR_HOSTNAME}..5000=USDpath/ca.crt -n openshift-config
oc patch image.config.openshift.io/cluster --patch '{"spec":{"additionalTrustedCA":{"name":"registry-config"}}}' --type=merge
oc edit configs.samples.operator.openshift.io -n openshift-cluster-samples-operator
RUN yum -y install mypackage && yum -y install myotherpackage && yum clean all -y
RUN yum -y install mypackage RUN yum -y install myotherpackage && yum clean all -y
FROM foo RUN yum -y install mypackage && yum clean all -y ADD myfile /test/myfile
FROM foo ADD myfile /test/myfile RUN yum -y install mypackage && yum clean all -y
RUN chgrp -R 0 /some/directory && chmod -R g=u /some/directory
LABEL io.openshift.tags mongodb,mongodb24,nosql
LABEL io.openshift.wants mongodb,redis
LABEL io.k8s.description The MySQL 5.5 Server with master-slave replication support
LABEL io.openshift.non-scalable true
LABEL io.openshift.min-memory 16Gi LABEL io.openshift.min-cpu 4
#!/bin/bash restore build artifacts if [ "USD(ls /tmp/s2i/artifacts/ 2>/dev/null)" ]; then mv /tmp/s2i/artifacts/* USDHOME/. fi move the application source mv /tmp/s2i/src USDHOME/src build application artifacts pushd USD{HOME} make all install the artifacts make install popd
#!/bin/bash run the application /opt/application/run.sh
#!/bin/bash pushd USD{HOME} if [ -d deps ]; then # all deps contents to tar stream tar cf - deps fi popd
#!/bin/bash inform the user how to use the image cat <<EOF This is a S2I sample builder image, to use it, install https://github.com/openshift/source-to-image EOF
s2i create <image_name> <destination_directory>
IMAGE_NAME = openshift/ruby-20-centos7 CONTAINER_ENGINE := USD(shell command -v podman 2> /dev/null | echo docker) build: USD{CONTAINER_ENGINE} build -t USD(IMAGE_NAME) . .PHONY: test test: USD{CONTAINER_ENGINE} build -t USD(IMAGE_NAME)-candidate . IMAGE_NAME=USD(IMAGE_NAME)-candidate test/run
podman build -t <builder_image_name>
docker build -t <builder_image_name>
podman run <builder_image_name> .
docker run <builder_image_name> .
s2i build file:///path-to-sample-app _<BUILDER_IMAGE_NAME>_ _<OUTPUT_APPLICATION_IMAGE_NAME>_
podman run <output_application_image_name>
docker run <output_application_image_name>
registry.access.redhat.com/openshift3/jenkins-2-rhel7:v3.11.59-2
oc tag <source> <destination>
oc tag ruby:2.0 ruby:static-2.0
oc tag --alias=true <source> <destination>
oc delete istag/ruby:latest
oc tag -d ruby:latest
<image_stream_name>:<tag>
<image_stream_name>@<id>
openshift/ruby-20-centos7:2.0
registry.redhat.io/rhel7:latest
centos/ruby-22-centos7@sha256:3a335d7d8a452970c5b4054ad7118ff134b3a6b50a2bb6d0c07c746e8986b28e
oc policy add-role-to-user system:image-puller system:serviceaccount:project-a:default --namespace=project-b
oc policy add-role-to-group system:image-puller system:serviceaccounts:project-a --namespace=project-b
{ "auths":{ "cloud.openshift.com":{ "auth":"b3Blb=", "email":"you@example.com" }, "quay.io":{ "auth":"b3Blb=", "email":"you@example.com" }, "quay.io/repository-main":{ "auth":"b3Blb=", "email":"you@example.com" } } }
apiVersion: v1 data: .dockerconfigjson: ewogICAiYXV0aHMiOnsKICAgICAgIm0iOnsKICAgICAgIsKICAgICAgICAgImF1dGgiOiJiM0JsYj0iLAogICAgICAgICAiZW1haWwiOiJ5b3VAZXhhbXBsZS5jb20iCiAgICAgIH0KICAgfQp9Cg== kind: Secret metadata: creationTimestamp: "2021-09-09T19:10:11Z" name: pull-secret namespace: default resourceVersion: "37676" uid: e2851531-01bc-48ba-878c-de96cfe31020 type: Opaque
oc create secret generic <pull_secret_name> --from-file=.dockerconfigjson=<path/to/.docker/config.json> --type=kubernetes.io/dockerconfigjson
oc create secret generic <pull_secret_name> --from-file=<path/to/.config/containers/auth.json> --type=kubernetes.io/podmanconfigjson
oc create secret docker-registry <pull_secret_name> --docker-server=<registry_server> --docker-username=<user_name> --docker-password=<password> --docker-email=<email>
oc secrets link default <pull_secret_name> --for=pull
oc create secret docker-registry --docker-server=sso.redhat.com --docker-username=developer@example.com --docker-password=******** --docker-email=unused redhat-connect-sso secret/redhat-connect-sso
oc create secret docker-registry --docker-server=privateregistry.example.com --docker-username=developer@example.com --docker-password=******** --docker-email=unused private-registry secret/private-registry
oc get secret/pull-secret -n openshift-config --template='{{index .data ".dockerconfigjson" | base64decode}}' ><pull_secret_location> 1
oc registry login --registry="<registry>" \ 1 --auth-basic="<username>:<password>" \ 2 --to=<pull_secret_location> 3
oc set data secret/pull-secret -n openshift-config --from-file=.dockerconfigjson=<pull_secret_location> 1
apiVersion: image.openshift.io/v1 kind: ImageStream metadata: annotations: openshift.io/generated-by: OpenShiftNewApp labels: app: ruby-sample-build template: application-template-stibuild name: origin-ruby-sample 1 namespace: test spec: {} status: dockerImageRepository: 172.30.56.218:5000/test/origin-ruby-sample 2 tags: - items: - created: 2017-09-02T10:15:09Z dockerImageReference: 172.30.56.218:5000/test/origin-ruby-sample@sha256:47463d94eb5c049b2d23b03a9530bf944f8f967a0fe79147dd6b9135bf7dd13d 3 generation: 2 image: sha256:909de62d1f609a717ec433cc25ca5cf00941545c83a01fb31527771e1fab3fc5 4 - created: 2017-09-01T13:40:11Z dockerImageReference: 172.30.56.218:5000/test/origin-ruby-sample@sha256:909de62d1f609a717ec433cc25ca5cf00941545c83a01fb31527771e1fab3fc5 generation: 1 image: sha256:47463d94eb5c049b2d23b03a9530bf944f8f967a0fe79147dd6b9135bf7dd13d tag: latest 5
<image-stream-name>@<image-id>
origin-ruby-sample@sha256:47463d94eb5c049b2d23b03a9530bf944f8f967a0fe79147dd6b9135bf7dd13d
kind: ImageStream apiVersion: image.openshift.io/v1 metadata: name: my-image-stream tags: - items: - created: 2017-09-02T10:15:09Z dockerImageReference: 172.30.56.218:5000/test/origin-ruby-sample@sha256:47463d94eb5c049b2d23b03a9530bf944f8f967a0fe79147dd6b9135bf7dd13d generation: 2 image: sha256:909de62d1f609a717ec433cc25ca5cf00941545c83a01fb31527771e1fab3fc5 - created: 2017-09-01T13:40:11Z dockerImageReference: 172.30.56.218:5000/test/origin-ruby-sample@sha256:909de62d1f609a717ec433cc25ca5cf00941545c83a01fb31527771e1fab3fc5 generation: 1 image: sha256:47463d94eb5c049b2d23b03a9530bf944f8f967a0fe79147dd6b9135bf7dd13d tag: latest
<imagestream name>:<tag>
origin-ruby-sample:latest
apiVersion: image.openshift.io/v1 kind: ImageStreamMapping metadata: creationTimestamp: null name: origin-ruby-sample namespace: test tag: latest image: dockerImageLayers: - name: sha256:5f70bf18a086007016e948b04aed3b82103a36bea41755b6cddfaf10ace3c6ef size: 0 - name: sha256:ee1dd2cb6df21971f4af6de0f1d7782b81fb63156801cfde2bb47b4247c23c29 size: 196634330 - name: sha256:5f70bf18a086007016e948b04aed3b82103a36bea41755b6cddfaf10ace3c6ef size: 0 - name: sha256:5f70bf18a086007016e948b04aed3b82103a36bea41755b6cddfaf10ace3c6ef size: 0 - name: sha256:ca062656bff07f18bff46be00f40cfbb069687ec124ac0aa038fd676cfaea092 size: 177723024 - name: sha256:63d529c59c92843c395befd065de516ee9ed4995549f8218eac6ff088bfa6b6e size: 55679776 - name: sha256:92114219a04977b5563d7dff71ec4caa3a37a15b266ce42ee8f43dba9798c966 size: 11939149 dockerImageMetadata: Architecture: amd64 Config: Cmd: - /usr/libexec/s2i/run Entrypoint: - container-entrypoint Env: - RACK_ENV=production - OPENSHIFT_BUILD_NAMESPACE=test - OPENSHIFT_BUILD_SOURCE=https://github.com/openshift/ruby-hello-world.git - EXAMPLE=sample-app - OPENSHIFT_BUILD_NAME=ruby-sample-build-1 - PATH=/opt/app-root/src/bin:/opt/app-root/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin - STI_SCRIPTS_URL=image:///usr/libexec/s2i - STI_SCRIPTS_PATH=/usr/libexec/s2i - HOME=/opt/app-root/src - BASH_ENV=/opt/app-root/etc/scl_enable - ENV=/opt/app-root/etc/scl_enable - PROMPT_COMMAND=. /opt/app-root/etc/scl_enable - RUBY_VERSION=2.2 ExposedPorts: 8080/tcp: {} Labels: build-date: 2015-12-23 io.k8s.description: Platform for building and running Ruby 2.2 applications io.k8s.display-name: 172.30.56.218:5000/test/origin-ruby-sample:latest io.openshift.build.commit.author: Ben Parees <bparees@users.noreply.github.com> io.openshift.build.commit.date: Wed Jan 20 10:14:27 2016 -0500 io.openshift.build.commit.id: 00cadc392d39d5ef9117cbc8a31db0889eedd442 io.openshift.build.commit.message: 'Merge pull request #51 from php-coder/fix_url_and_sti' io.openshift.build.commit.ref: master io.openshift.build.image: centos/ruby-22-centos7@sha256:3a335d7d8a452970c5b4054ad7118ff134b3a6b50a2bb6d0c07c746e8986b28e io.openshift.build.source-location: https://github.com/openshift/ruby-hello-world.git io.openshift.builder-base-version: 8d95148 io.openshift.builder-version: 8847438ba06307f86ac877465eadc835201241df io.openshift.s2i.scripts-url: image:///usr/libexec/s2i io.openshift.tags: builder,ruby,ruby22 io.s2i.scripts-url: image:///usr/libexec/s2i license: GPLv2 name: CentOS Base Image vendor: CentOS User: "1001" WorkingDir: /opt/app-root/src Container: 86e9a4a3c760271671ab913616c51c9f3cea846ca524bf07c04a6f6c9e103a76 ContainerConfig: AttachStdout: true Cmd: - /bin/sh - -c - tar -C /tmp -xf - && /usr/libexec/s2i/assemble Entrypoint: - container-entrypoint Env: - RACK_ENV=production - OPENSHIFT_BUILD_NAME=ruby-sample-build-1 - OPENSHIFT_BUILD_NAMESPACE=test - OPENSHIFT_BUILD_SOURCE=https://github.com/openshift/ruby-hello-world.git - EXAMPLE=sample-app - PATH=/opt/app-root/src/bin:/opt/app-root/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin - STI_SCRIPTS_URL=image:///usr/libexec/s2i - STI_SCRIPTS_PATH=/usr/libexec/s2i - HOME=/opt/app-root/src - BASH_ENV=/opt/app-root/etc/scl_enable - ENV=/opt/app-root/etc/scl_enable - PROMPT_COMMAND=. /opt/app-root/etc/scl_enable - RUBY_VERSION=2.2 ExposedPorts: 8080/tcp: {} Hostname: ruby-sample-build-1-build Image: centos/ruby-22-centos7@sha256:3a335d7d8a452970c5b4054ad7118ff134b3a6b50a2bb6d0c07c746e8986b28e OpenStdin: true StdinOnce: true User: "1001" WorkingDir: /opt/app-root/src Created: 2016-01-29T13:40:00Z DockerVersion: 1.8.2.fc21 Id: 9d7fd5e2d15495802028c569d544329f4286dcd1c9c085ff5699218dbaa69b43 Parent: 57b08d979c86f4500dc8cad639c9518744c8dd39447c055a3517dc9c18d6fccd Size: 441976279 apiVersion: "1.0" kind: DockerImage dockerImageMetadataVersion: "1.0" dockerImageReference: 172.30.56.218:5000/test/origin-ruby-sample@sha256:47463d94eb5c049b2d23b03a9530bf944f8f967a0fe79147dd6b9135bf7dd13d
oc describe is/<image-name>
oc describe is/python
Name: python Namespace: default Created: About a minute ago Labels: <none> Annotations: openshift.io/image.dockerRepositoryCheck=2017-10-02T17:05:11Z Docker Pull Spec: docker-registry.default.svc:5000/default/python Image Lookup: local=false Unique Images: 1 Tags: 1 3.5 tagged from centos/python-35-centos7 * centos/python-35-centos7@sha256:49c18358df82f4577386404991c51a9559f243e0b1bdc366df25 About a minute ago
oc describe istag/<image-stream>:<tag-name>
oc describe istag/python:latest
Image Name: sha256:49c18358df82f4577386404991c51a9559f243e0b1bdc366df25 Docker Image: centos/python-35-centos7@sha256:49c18358df82f4577386404991c51a9559f243e0b1bdc366df25 Name: sha256:49c18358df82f4577386404991c51a9559f243e0b1bdc366df25 Created: 2 minutes ago Image Size: 251.2 MB (first layer 2.898 MB, last binary layer 72.26 MB) Image Created: 2 weeks ago Author: <none> Arch: amd64 Entrypoint: container-entrypoint Command: /bin/sh -c USDSTI_SCRIPTS_PATH/usage Working Dir: /opt/app-root/src User: 1001 Exposes Ports: 8080/tcp Docker Labels: build-date=20170801
oc tag <image-name:tag1> <image-name:tag2>
oc tag python:3.5 python:latest
Tag python:latest set to python@sha256:49c18358df82f4577386404991c51a9559f243e0b1bdc366df25.
oc describe is/python
Name: python Namespace: default Created: 5 minutes ago Labels: <none> Annotations: openshift.io/image.dockerRepositoryCheck=2017-10-02T17:05:11Z Docker Pull Spec: docker-registry.default.svc:5000/default/python Image Lookup: local=false Unique Images: 1 Tags: 2 latest tagged from python@sha256:49c18358df82f4577386404991c51a9559f243e0b1bdc366df25 * centos/python-35-centos7@sha256:49c18358df82f4577386404991c51a9559f243e0b1bdc366df25 About a minute ago 3.5 tagged from centos/python-35-centos7 * centos/python-35-centos7@sha256:49c18358df82f4577386404991c51a9559f243e0b1bdc366df25 5 minutes ago
oc tag <repository/image> <image-name:tag>
oc tag docker.io/python:3.6.0 python:3.6
Tag python:3.6 set to docker.io/python:3.6.0.
oc tag <image-name:tag> <image-name:latest>
oc tag python:3.6 python:latest
Tag python:latest set to python@sha256:438208801c4806548460b27bd1fbcb7bb188273d13871ab43f.
oc tag -d <image-name:tag>
oc tag -d python:3.6
Deleted tag default/python:3.6
oc tag <repository/image> <image-name:tag> --scheduled
oc tag docker.io/python:3.6.0 python:3.6 --scheduled
Tag python:3.6 set to import docker.io/python:3.6.0 periodically.
oc tag <repositiory/image> <image-name:tag>
oc create secret generic <secret_name> --from-file=.dockerconfigjson=<file_absolute_path> --type=kubernetes.io/dockerconfigjson
oc import-image <imagestreamtag> --from=<image> --confirm
{ "auths":{ "cloud.openshift.com":{ "auth":"b3Blb=", "email":"you@example.com" }, "quay.io":{ "auth":"b3Blb=", "email":"you@example.com" }, "quay.io/repository-main":{ "auth":"b3Blb=", "email":"you@example.com" } } }
apiVersion: v1 data: .dockerconfigjson: ewogICAiYXV0aHMiOnsKICAgICAgIm0iOnsKICAgICAgIsKICAgICAgICAgImF1dGgiOiJiM0JsYj0iLAogICAgICAgICAiZW1haWwiOiJ5b3VAZXhhbXBsZS5jb20iCiAgICAgIH0KICAgfQp9Cg== kind: Secret metadata: creationTimestamp: "2021-09-09T19:10:11Z" name: pull-secret namespace: default resourceVersion: "37676" uid: e2851531-01bc-48ba-878c-de96cfe31020 type: Opaque
oc create secret generic <pull_secret_name> --from-file=.dockerconfigjson=<path/to/.docker/config.json> --type=kubernetes.io/dockerconfigjson
oc create secret generic <pull_secret_name> --from-file=<path/to/.config/containers/auth.json> --type=kubernetes.io/podmanconfigjson
oc create secret docker-registry <pull_secret_name> --docker-server=<registry_server> --docker-username=<user_name> --docker-password=<password> --docker-email=<email>
oc secrets link default <pull_secret_name> --for=pull
apiVersion: image.openshift.io/v1 kind: ImageStreamImport metadata: name: app namespace: myapp spec: import: true images: - from: kind: DockerImage name: <registry>/<user_name>/<image_name> to: name: latest referencePolicy: type: Source importPolicy: importMode: "PreserveOriginal"
oc create -f <your_imagestreamimport.yaml>
oc set image-lookup mysql
apiVersion: image.openshift.io/v1 kind: ImageStream metadata: annotations: openshift.io/display-name: mysql name: mysql namespace: myproject spec: lookupPolicy: local: true
oc set image-lookup imagestream --list
oc set image-lookup deploy/mysql
apiVersion: apps/v1 kind: Deployment metadata: name: mysql namespace: myproject spec: replicas: 1 template: metadata: annotations: alpha.image.policy.openshift.io/resolve-names: '*' spec: containers: - image: mysql:latest imagePullPolicy: Always name: mysql
oc set image-lookup deploy/mysql --enabled=false
apiVersion: v1 kind: Pod metadata: annotations: image.openshift.io/triggers: [ { "from": { "kind": "ImageStreamTag", 1 "name": "example:latest", 2 "namespace": "myapp" 3 }, "fieldPath": "spec.template.spec.containers[?(@.name==\"web\")].image", 4 "paused": false 5 }, # ]
oc set triggers deploy/example --from-image=example:latest -c web
apiVersion: apps/v1 kind: Deployment metadata: annotations: image.openshift.io/triggers: '[{"from":{"kind":"ImageStreamTag","name":"example:latest"},"fieldPath":"spec.template.spec.containers[?(@.name==\"container\")].image"}]'
oc edit image.config.openshift.io/cluster
apiVersion: config.openshift.io/v1 kind: Image 1 metadata: annotations: release.openshift.io/create-only: "true" creationTimestamp: "2019-05-17T13:44:26Z" generation: 1 name: cluster resourceVersion: "8302" selfLink: /apis/config.openshift.io/v1/images/cluster uid: e34555da-78a9-11e9-b92b-06d6c7da38dc spec: allowedRegistriesForImport: 2 - domainName: quay.io insecure: false additionalTrustedCA: 3 name: myconfigmap registrySources: 4 allowedRegistries: - example.com - quay.io - registry.redhat.io - image-registry.openshift-image-registry.svc:5000 - reg1.io/myrepo/myapp:latest insecureRegistries: - insecure.com status: internalRegistryHostname: image-registry.openshift-image-registry.svc:5000
oc get nodes
NAME STATUS ROLES AGE VERSION ip-10-0-137-182.us-east-2.compute.internal Ready,SchedulingDisabled worker 65m v1.25.4+77bec7a ip-10-0-139-120.us-east-2.compute.internal Ready,SchedulingDisabled control-plane 74m v1.25.4+77bec7a ip-10-0-176-102.us-east-2.compute.internal Ready control-plane 75m v1.25.4+77bec7a ip-10-0-188-96.us-east-2.compute.internal Ready worker 65m v1.25.4+77bec7a ip-10-0-200-59.us-east-2.compute.internal Ready worker 63m v1.25.4+77bec7a ip-10-0-223-123.us-east-2.compute.internal Ready control-plane 73m v1.25.4+77bec7a
oc edit image.config.openshift.io/cluster
apiVersion: config.openshift.io/v1 kind: Image metadata: annotations: release.openshift.io/create-only: "true" creationTimestamp: "2019-05-17T13:44:26Z" generation: 1 name: cluster resourceVersion: "8302" selfLink: /apis/config.openshift.io/v1/images/cluster uid: e34555da-78a9-11e9-b92b-06d6c7da38dc spec: registrySources: 1 allowedRegistries: 2 - example.com - quay.io - registry.redhat.io - reg1.io/myrepo/myapp:latest - image-registry.openshift-image-registry.svc:5000 status: internalRegistryHostname: image-registry.openshift-image-registry.svc:5000
oc get nodes
NAME STATUS ROLES AGE VERSION <node_name> Ready control-plane,master 37m v1.27.8+4fab27b
oc debug node/<node_name>
sh-4.4# chroot /host
sh-5.1# cat /etc/containers/policy.json | jq '.'
{ "default":[ { "type":"reject" } ], "transports":{ "atomic":{ "example.com":[ { "type":"insecureAcceptAnything" } ], "image-registry.openshift-image-registry.svc:5000":[ { "type":"insecureAcceptAnything" } ], "insecure.com":[ { "type":"insecureAcceptAnything" } ], "quay.io":[ { "type":"insecureAcceptAnything" } ], "reg4.io/myrepo/myapp:latest":[ { "type":"insecureAcceptAnything" } ], "registry.redhat.io":[ { "type":"insecureAcceptAnything" } ] }, "docker":{ "example.com":[ { "type":"insecureAcceptAnything" } ], "image-registry.openshift-image-registry.svc:5000":[ { "type":"insecureAcceptAnything" } ], "insecure.com":[ { "type":"insecureAcceptAnything" } ], "quay.io":[ { "type":"insecureAcceptAnything" } ], "reg4.io/myrepo/myapp:latest":[ { "type":"insecureAcceptAnything" } ], "registry.redhat.io":[ { "type":"insecureAcceptAnything" } ] }, "docker-daemon":{ "":[ { "type":"insecureAcceptAnything" } ] } } }
spec: registrySources: insecureRegistries: - insecure.com allowedRegistries: - example.com - quay.io - registry.redhat.io - insecure.com - image-registry.openshift-image-registry.svc:5000
oc edit image.config.openshift.io/cluster
apiVersion: config.openshift.io/v1 kind: Image metadata: annotations: release.openshift.io/create-only: "true" creationTimestamp: "2019-05-17T13:44:26Z" generation: 1 name: cluster resourceVersion: "8302" selfLink: /apis/config.openshift.io/v1/images/cluster uid: e34555da-78a9-11e9-b92b-06d6c7da38dc spec: registrySources: 1 blockedRegistries: 2 - untrusted.com - reg1.io/myrepo/myapp:latest status: internalRegistryHostname: image-registry.openshift-image-registry.svc:5000
oc get nodes
NAME STATUS ROLES AGE VERSION <node_name> Ready control-plane,master 37m v1.27.8+4fab27b
oc debug node/<node_name>
sh-4.4# chroot /host
sh-5.1# cat etc/containers/registries.conf
unqualified-search-registries = ["registry.access.redhat.com", "docker.io"] [[registry]] prefix = "" location = "untrusted.com" blocked = true
apiVersion: operator.openshift.io/v1alpha1 kind: ImageContentSourcePolicy metadata: name: my-icsp spec: repositoryDigestMirrors: - mirrors: - internal-mirror.io/openshift-payload source: quay.io/openshift-payload
[[registry]] prefix = "" location = "quay.io/openshift-payload" mirror-by-digest-only = true [[registry.mirror]] location = "internal-mirror.io/openshift-payload"
oc edit image.config.openshift.io cluster
spec: registrySources: blockedRegistries: - quay.io/openshift-payload
[[registry]] prefix = "" location = "quay.io/openshift-payload" blocked = true mirror-by-digest-only = true [[registry.mirror]] location = "internal-mirror.io/openshift-payload"
oc edit image.config.openshift.io/cluster
apiVersion: config.openshift.io/v1 kind: Image metadata: annotations: release.openshift.io/create-only: "true" creationTimestamp: "2019-05-17T13:44:26Z" generation: 1 name: cluster resourceVersion: "8302" selfLink: /apis/config.openshift.io/v1/images/cluster uid: e34555da-78a9-11e9-b92b-06d6c7da38dc spec: registrySources: 1 insecureRegistries: 2 - insecure.com - reg4.io/myrepo/myapp:latest allowedRegistries: - example.com - quay.io - registry.redhat.io - insecure.com 3 - reg4.io/myrepo/myapp:latest - image-registry.openshift-image-registry.svc:5000 status: internalRegistryHostname: image-registry.openshift-image-registry.svc:5000
cat /etc/containers/registries.conf
unqualified-search-registries = ["registry.access.redhat.com", "docker.io"] [[registry]] prefix = "" location = "insecure.com" insecure = true
oc edit image.config.openshift.io/cluster
apiVersion: config.openshift.io/v1 kind: Image metadata: annotations: release.openshift.io/create-only: "true" creationTimestamp: "2019-05-17T13:44:26Z" generation: 1 name: cluster resourceVersion: "8302" selfLink: /apis/config.openshift.io/v1/images/cluster uid: e34555da-78a9-11e9-b92b-06d6c7da38dc spec: allowedRegistriesForImport: - domainName: quay.io insecure: false additionalTrustedCA: name: myconfigmap registrySources: containerRuntimeSearchRegistries: 1 - reg1.io - reg2.io - reg3.io allowedRegistries: 2 - example.com - quay.io - registry.redhat.io - reg1.io - reg2.io - reg3.io - image-registry.openshift-image-registry.svc:5000 status: internalRegistryHostname: image-registry.openshift-image-registry.svc:5000
oc get nodes
NAME STATUS ROLES AGE VERSION <node_name> Ready control-plane,master 37m v1.27.8+4fab27b
oc debug node/<node_name>
sh-4.4# chroot /host
sh-5.1# cat /etc/containers/registries.conf.d/01-image-searchRegistries.conf
unqualified-search-registries = ['reg1.io', 'reg2.io', 'reg3.io']
apiVersion: v1 kind: ConfigMap metadata: name: my-registry-ca data: registry.example.com: | -----BEGIN CERTIFICATE----- -----END CERTIFICATE----- registry-with-port.example.com..5000: | 1 -----BEGIN CERTIFICATE----- -----END CERTIFICATE-----
oc create configmap registry-config --from-file=<external_registry_address>=ca.crt -n openshift-config
oc edit image.config.openshift.io cluster
spec: additionalTrustedCA: name: registry-config
skopeo copy docker://registry.access.redhat.com/ubi8/ubi-minimal@sha256:5cfbaf45ca96806917830c183e9f37df2e913b187adb32e89fd83fa455ebaa6 docker://example.io/example/ubi-minimal
apiVersion: operator.openshift.io/v1alpha1 kind: ImageContentSourcePolicy metadata: name: ubi8repo spec: repositoryDigestMirrors: - mirrors: - example.io/example/ubi-minimal 1 - example.com/example/ubi-minimal 2 source: registry.access.redhat.com/ubi8/ubi-minimal 3 - mirrors: - mirror.example.com/redhat source: registry.redhat.io/openshift4 4 - mirrors: - mirror.example.com source: registry.redhat.io 5 - mirrors: - mirror.example.net/image source: registry.example.com/example/myimage 6 - mirrors: - mirror.example.net source: registry.example.com/example 7 - mirrors: - mirror.example.net/registry-example-com source: registry.example.com 8
oc create -f registryrepomirror.yaml
oc get node
NAME STATUS ROLES AGE VERSION ip-10-0-137-44.ec2.internal Ready worker 7m v1.25.0 ip-10-0-138-148.ec2.internal Ready master 11m v1.25.0 ip-10-0-139-122.ec2.internal Ready master 11m v1.25.0 ip-10-0-147-35.ec2.internal Ready worker 7m v1.25.0 ip-10-0-153-12.ec2.internal Ready worker 7m v1.25.0 ip-10-0-154-10.ec2.internal Ready master 11m v1.25.0
oc debug node/ip-10-0-147-35.ec2.internal
Starting pod/ip-10-0-147-35ec2internal-debug To use host binaries, run `chroot /host`
sh-4.2# chroot /host
sh-4.2# cat /etc/containers/registries.conf
unqualified-search-registries = ["registry.access.redhat.com", "docker.io"] short-name-mode = "" [[registry]] prefix = "" location = "registry.access.redhat.com/ubi8/ubi-minimal" mirror-by-digest-only = true [[registry.mirror]] location = "example.io/example/ubi-minimal" [[registry.mirror]] location = "example.com/example/ubi-minimal" [[registry]] prefix = "" location = "registry.example.com" mirror-by-digest-only = true [[registry.mirror]] location = "mirror.example.net/registry-example-com" [[registry]] prefix = "" location = "registry.example.com/example" mirror-by-digest-only = true [[registry.mirror]] location = "mirror.example.net" [[registry]] prefix = "" location = "registry.example.com/example/myimage" mirror-by-digest-only = true [[registry.mirror]] location = "mirror.example.net/image" [[registry]] prefix = "" location = "registry.redhat.io" mirror-by-digest-only = true [[registry.mirror]] location = "mirror.example.com" [[registry]] prefix = "" location = "registry.redhat.io/openshift4" mirror-by-digest-only = true [[registry.mirror]] location = "mirror.example.com/redhat"
sh-4.2# podman pull --log-level=debug registry.access.redhat.com/ubi8/ubi-minimal@sha256:5cfbaf45ca96806917830c183e9f37df2e913b187adb32e89fd83fa455ebaa6
oc create -f <filename>
oc create -f <filename> -n <project>
kind: "ImageStream" apiVersion: "v1" metadata: name: "ruby" creationTimestamp: null spec: tags: - name: "2.6" annotations: description: "Build and run Ruby 2.6 applications" iconClass: "icon-ruby" tags: "builder,ruby" 1 supports: "ruby:2.6,ruby" version: "2.6"
oc process -f <filename> -l name=otherLabel
oc process --parameters -f <filename>
oc process --parameters -n <project> <template_name>
oc process --parameters -n openshift rails-postgresql-example
NAME DESCRIPTION GENERATOR VALUE SOURCE_REPOSITORY_URL The URL of the repository with your application source code https://github.com/sclorg/rails-ex.git SOURCE_REPOSITORY_REF Set this to a branch name, tag or other ref of your repository if you are not using the default branch CONTEXT_DIR Set this to the relative path to your project if it is not in the root of your repository APPLICATION_DOMAIN The exposed hostname that will route to the Rails service rails-postgresql-example.openshiftapps.com GITHUB_WEBHOOK_SECRET A secret string used to configure the GitHub webhook expression [a-zA-Z0-9]{40} SECRET_KEY_BASE Your secret key for verifying the integrity of signed cookies expression [a-z0-9]{127} APPLICATION_USER The application user that is used within the sample application to authorize access on pages openshift APPLICATION_PASSWORD The application password that is used within the sample application to authorize access on pages secret DATABASE_SERVICE_NAME Database service name postgresql POSTGRESQL_USER database username expression user[A-Z0-9]{3} POSTGRESQL_PASSWORD database password expression [a-zA-Z0-9]{8} POSTGRESQL_DATABASE database name root POSTGRESQL_MAX_CONNECTIONS database max connections 10 POSTGRESQL_SHARED_BUFFERS database shared buffers 12MB
oc process -f <filename>
oc process <template_name>
oc process -f <filename> | oc create -f -
oc process <template> | oc create -f -
oc process -f my-rails-postgresql -p POSTGRESQL_USER=bob -p POSTGRESQL_DATABASE=mydatabase
oc process -f my-rails-postgresql -p POSTGRESQL_USER=bob -p POSTGRESQL_DATABASE=mydatabase | oc create -f -
cat postgres.env POSTGRESQL_USER=bob POSTGRESQL_DATABASE=mydatabase
oc process -f my-rails-postgresql --param-file=postgres.env
sed s/bob/alice/ postgres.env | oc process -f my-rails-postgresql --param-file=-
oc edit template <template>
oc get templates -n openshift
apiVersion: template.openshift.io/v1 kind: Template metadata: name: redis-template annotations: description: "Description" iconClass: "icon-redis" tags: "database,nosql" objects: - apiVersion: v1 kind: Pod metadata: name: redis-master spec: containers: - env: - name: REDIS_PASSWORD value: USD{REDIS_PASSWORD} image: dockerfile/redis name: master ports: - containerPort: 6379 protocol: TCP parameters: - description: Password used for Redis authentication from: '[A-Z0-9]{8}' generate: expression name: REDIS_PASSWORD labels: redis: master
kind: Template apiVersion: template.openshift.io/v1 metadata: name: cakephp-mysql-example 1 annotations: openshift.io/display-name: "CakePHP MySQL Example (Ephemeral)" 2 description: >- An example CakePHP application with a MySQL database. For more information about using this template, including OpenShift considerations, see https://github.com/sclorg/cakephp-ex/blob/master/README.md. WARNING: Any data stored will be lost upon pod destruction. Only use this template for testing." 3 openshift.io/long-description: >- This template defines resources needed to develop a CakePHP application, including a build configuration, application DeploymentConfig, and database DeploymentConfig. The database is stored in non-persistent storage, so this configuration should be used for experimental purposes only. 4 tags: "quickstart,php,cakephp" 5 iconClass: icon-php 6 openshift.io/provider-display-name: "Red Hat, Inc." 7 openshift.io/documentation-url: "https://github.com/sclorg/cakephp-ex" 8 openshift.io/support-url: "https://access.redhat.com" 9 message: "Your admin credentials are USD{ADMIN_USERNAME}:USD{ADMIN_PASSWORD}" 10
kind: "Template" apiVersion: "v1" labels: template: "cakephp-mysql-example" 1 app: "USD{NAME}" 2
parameters: - name: USERNAME description: "The user name for Joe" value: joe
parameters: - name: PASSWORD description: "The random user password" generate: expression from: "[a-zA-Z0-9]{12}"
parameters: - name: singlequoted_example generate: expression from: '[\A]{10}' - name: doublequoted_example generate: expression from: "[\\A]{10}"
{ "parameters": [ { "name": "json_example", "generate": "expression", "from": "[\\A]{10}" } ] }
kind: Template apiVersion: template.openshift.io/v1 metadata: name: my-template objects: - kind: BuildConfig apiVersion: build.openshift.io/v1 metadata: name: cakephp-mysql-example annotations: description: Defines how to build the application spec: source: type: Git git: uri: "USD{SOURCE_REPOSITORY_URL}" 1 ref: "USD{SOURCE_REPOSITORY_REF}" contextDir: "USD{CONTEXT_DIR}" - kind: DeploymentConfig apiVersion: apps.openshift.io/v1 metadata: name: frontend spec: replicas: "USD{{REPLICA_COUNT}}" 2 parameters: - name: SOURCE_REPOSITORY_URL 3 displayName: Source Repository URL 4 description: The URL of the repository with your application source code 5 value: https://github.com/sclorg/cakephp-ex.git 6 required: true 7 - name: GITHUB_WEBHOOK_SECRET description: A secret string used to configure the GitHub webhook generate: expression 8 from: "[a-zA-Z0-9]{40}" 9 - name: REPLICA_COUNT description: Number of replicas to run value: "2" required: true message: "... The GitHub webhook secret is USD{GITHUB_WEBHOOK_SECRET} ..." 10
kind: "Template" apiVersion: "v1" metadata: name: my-template objects: - kind: "Service" 1 apiVersion: "v1" metadata: name: "cakephp-mysql-example" annotations: description: "Exposes and load balances the application pods" spec: ports: - name: "web" port: 8080 targetPort: 8080 selector: name: "cakephp-mysql-example"
kind: Template apiVersion: template.openshift.io/v1 metadata: name: my-template objects: - kind: ConfigMap apiVersion: v1 metadata: name: my-template-config annotations: template.openshift.io/expose-username: "{.data['my\\.username']}" data: my.username: foo - kind: Secret apiVersion: v1 metadata: name: my-template-config-secret annotations: template.openshift.io/base64-expose-password: "{.data['password']}" stringData: password: <password> - kind: Service apiVersion: v1 metadata: name: my-template-service annotations: template.openshift.io/expose-service_ip_port: "{.spec.clusterIP}:{.spec.ports[?(.name==\"web\")].port}" spec: ports: - name: "web" port: 8080 - kind: Route apiVersion: route.openshift.io/v1 metadata: name: my-template-route annotations: template.openshift.io/expose-uri: "http://{.spec.host}{.spec.path}" spec: path: mypath
{ "credentials": { "username": "foo", "password": "YmFy", "service_ip_port": "172.30.12.34:8080", "uri": "http://route-test.router.default.svc.cluster.local/mypath" } }
"template.alpha.openshift.io/wait-for-ready": "true"
kind: Template apiVersion: template.openshift.io/v1 metadata: name: my-template objects: - kind: BuildConfig apiVersion: build.openshift.io/v1 metadata: name: annotations: # wait-for-ready used on BuildConfig ensures that template instantiation # will fail immediately if build fails template.alpha.openshift.io/wait-for-ready: "true" spec: - kind: DeploymentConfig apiVersion: apps.openshift.io/v1 metadata: name: annotations: template.alpha.openshift.io/wait-for-ready: "true" spec: - kind: Service apiVersion: v1 metadata: name: spec:
oc get -o yaml all > <yaml_filename>
sudo yum install -y postgresql postgresql-server postgresql-devel
sudo postgresql-setup initdb
sudo systemctl start postgresql.service
sudo -u postgres createuser -s rails
gem install rails
Successfully installed rails-4.3.0 1 gem installed
rails new rails-app --database=postgresql
cd rails-app
gem 'pg'
bundle install
default: &default adapter: postgresql encoding: unicode pool: 5 host: localhost username: rails password: <password>
rake db:create
rails generate controller welcome index
root 'welcome#index'
rails server
<% user = ENV.key?("POSTGRESQL_ADMIN_PASSWORD") ? "root" : ENV["POSTGRESQL_USER"] %> <% password = ENV.key?("POSTGRESQL_ADMIN_PASSWORD") ? ENV["POSTGRESQL_ADMIN_PASSWORD"] : ENV["POSTGRESQL_PASSWORD"] %> <% db_service = ENV.fetch("DATABASE_SERVICE_NAME","").upcase %> default: &default adapter: postgresql encoding: unicode # For details on connection pooling, see rails configuration guide # http://guides.rubyonrails.org/configuring.html#database-pooling pool: <%= ENV["POSTGRESQL_MAX_CONNECTIONS"] || 5 %> username: <%= user %> password: <%= password %> host: <%= ENV["#{db_service}_SERVICE_HOST"] %> port: <%= ENV["#{db_service}_SERVICE_PORT"] %> database: <%= ENV["POSTGRESQL_DATABASE"] %>
ls -1
app bin config config.ru db Gemfile Gemfile.lock lib log public Rakefile README.rdoc test tmp vendor
git init
git add .
git commit -m "initial commit"
git remote add origin git@github.com:<namespace/repository-name>.git
git push
oc new-project rails-app --description="My Rails application" --display-name="Rails Application"
oc new-app postgresql -e POSTGRESQL_DATABASE=db_name -e POSTGRESQL_USER=username -e POSTGRESQL_PASSWORD=password
-e POSTGRESQL_ADMIN_PASSWORD=admin_pw
oc get pods --watch
oc new-app path/to/source/code --name=rails-app -e POSTGRESQL_USER=username -e POSTGRESQL_PASSWORD=password -e POSTGRESQL_DATABASE=db_name -e DATABASE_SERVICE_NAME=postgresql
oc get dc rails-app -o json
env": [ { "name": "POSTGRESQL_USER", "value": "username" }, { "name": "POSTGRESQL_PASSWORD", "value": "password" }, { "name": "POSTGRESQL_DATABASE", "value": "db_name" }, { "name": "DATABASE_SERVICE_NAME", "value": "postgresql" } ],
oc logs -f build/rails-app-1
oc get pods
oc rsh <frontend_pod_id>
RAILS_ENV=production bundle exec rake db:migrate
oc expose service rails-app --hostname=www.example.com
podman inspect --format='{{ index .Config.Labels "io.openshift.s2i.scripts-url" }}' wildfly/wildfly-centos7
image:///usr/libexec/s2i
#!/bin/bash echo "Before assembling" /usr/libexec/s2i/assemble rc=USD? if [ USDrc -eq 0 ]; then echo "After successful assembling" else echo "After failed assembling" fi exit USDrc
#!/bin/bash echo "Before running application" exec /usr/libexec/s2i/run