RANCHER & CONTINUOUS DELIVERY DockerGrunn #6 Johan van der Geest Edwin Harmsma

INTERESTING DEVELOPMENTS

+

DOCKER & DOCKER COMPOSE

IT RUNS FINE ON A SINGLE MACHINE…

BUT WHAT ABOUT MORE THAN ONE WHALE?

DOCKER CLUSTERING

Swarm

Kubernetes

Cattle

Mesos

Marathon

RANCHER FEATURES

Authentication Environments Audit trails

Service catalog

(Auto)scaling

Storage pools Distributed storage (Convoy)

RANCHER SERVER & AGENTS

Docker host

rancher/agent

rancher/agent

myapp/frontend

mongodb

Docker host

Docker host

rancher/agent

rancher/agent

myapp/backend

myapp/frontend

myapp/backend

Docker host

Docker host

External

rancher/agent

Docker host

Internal

rancher/server

CONTINUOUS DELIVERY & RANCHER

CONTINUOUS DELIVERY Build artifact centrally available

DEVELOP

CODE COMMIT

BUILD COMPONENT

UNIT TEST

Bleeding edge Choose moment system available and version

INTEGRATE

ACCEPTANCE

PRODUCTION

AUTOMATE

CONTINUOUS DELIVERY STACK

Build orchestration and execution

Version and release management

Build task environment

Packaging develop and production environment

Auto-deployment to separated development and production environment

compile in runner

push image to registry

4

pull image from registry

7

2

trigger compose runner hello_server

5

3

hello_compose

build docker image 1 git push to develop

rancher-compose up

6

git merge and tag release

manual upgrade

production

develop

GIT BRANCHES, TAGS AND DOCKER TAGS

image:1.1

image:1.0

image:latest

1.0

master

1.1

C2

C1

C2

C3

image:master

develop feature01

Cw

Cx

Ca

Cb

Cy

Cz

Cc

image:feature01

image:develop

SOURCE COMPILE JOB

Source-compile Container-build-publish Deploy

cargo-build: stage: source-compile Docker image used to setup build environment image: hub.servicelab.org/rust/rustup script: Command executed - cargo build --release --target x86_64-unknown-linux-musl inside container artifacts: paths: Preserve compiled - target/x86_64-unknown-linux-musl/release/hello_server binary after build tags: Select appropriate runner that can run Docker containers - docker cache: key: cargo-cache paths: Shared cache between all builds of this project - .cargo - target/

BUILD AND PUBLISH CONTAINER JOB build-and-publish-to-docker: stage: container-build-publish script: - > docker build --build-arg CI_BUILD_ID=${CI_BUILD_ID} --build-arg CI_BUILD_GIT_REV=${CI_BUILD_REF} --pull --no-cache -t ${IMAGE_NAME} . - docker images ${IMAGE_NAME} - docker push ${IMAGE_NAME} - docker rmi ${IMAGE_NAME} tags: - shell

Source-compile Container-build-publish Deploy

AUTO DEPLOY TO RANCHER

Source-compile Container-build-publish

image: monostream/rancher-compose

Deploy

before_script: - source rancher.env upgrade-service: script: - > rancher-compose -p hello-develop -f rancher-compose.develop.yml up -d --confirm-upgrade --force-upgrade --pull --upgrade ${service}

Trigger parameter passed by hello_server or hello_client projects

THANKS FOR YOUR ATTENTION

tno.nl/careers

BACKUP SLIDES

~2 Mb

JOBS AND STAGES ~600 Mb DEVELOP develop branch

DEV Compile

Docker Build + Push

Rancher Auto Upgrade

Production Compile

Versioned docker Build + Push

Manual Rancher Upgrade

SOURCE COMPILE

CONTAINER BUILD

DEPLOY

PRODUCTION Tag @ master branch

IMAGE SIZE: COMPILE VS DEPLOY CONTAINER

REPOSITORY hub.servicelab.org/docker-demo/hello_server hub.servicelab.org/rust/rustup debian

TAG latest latest latest

IMAGE ID deb921e8a18e 0920bbe2377d bb5d89f9b6cb

CREATED 28 hours ago 5 days ago 3 weeks ago

SIZE 2.089 MB 576.3 MB 125.1 MB

PRODUCTION RELEASE: image:latest

Source-compile Container-build-publish Deploy

production-release: stage: deploy script: - git branch --contains=`git show-ref --tags -s ${CI_BUILD_TAG}` master - docker pull ${IMAGE_NAME} - docker tag ${IMAGE_NAME} ${REGISTRY_URL}/hello_server:latest - docker push ${REGISTRY_URL}/hello_server:latest - docker rmi ${REGISTRY_URL}/hello_server:latest tags: - shell only: - /^([0-9]+\.)+([0-9]+)$/ except: - branches