A thin shim-wrapper around the official Google Kaniko Docker image to make it behave like the Drone Docker plugin.
Versioning is not always based on every official Kaniko release
Example .drone.yml for Drone 1.0 (pushing to Docker Hub):
kind: pipeline
name: default
steps:
- name: publish
image: postclick/drone-kaniko
settings:
registry: registry.example.com # if not provided index.docker.io is supposed
repo: registry.example.com/example-project
tags: ${DRONE_COMMIT_SHA}
cache: true
skip_tls_verify: false # set to true for testing registries ONLY with self-signed certs
build_args:
- COMMIT_SHA=${DRONE_COMMIT_SHA}
- COMMIT_AUTHOR_EMAIL=${DRONE_COMMIT_AUTHOR_EMAIL}
username:
from_secret: docker-username
password:
from_secret: docker-passwordPushing to GCR:
kind: pipeline
name: default
steps:
- name: publish
image: postclick/drone-kaniko
settings:
registry: gcr.io
repo: example.com/example-project
tags: ${DRONE_COMMIT_SHA}
cache: true
json_key:
from_secret: google-application-credentialsYou can build specific target
kind: pipeline
name: default
steps:
- name: publish
image: postclick/drone-kaniko
settings:
target: production
skip_unused_stages: true # will not build unnecessary stages
registry: gcr.io
repo: example.com/example-project
tags: ${DRONE_COMMIT_SHA}
cache: true
json_key:
from_secret: google-application-credentialsSimilarly to official
drone-docker plugin you can use
.tags file to embed some custom logic for creating tags for an image.
kind: pipeline
name: default
steps:
- name: build
image: golang
commands:
- go get
- go build
- make versiontags > .tags
- name: publish
image: postclick/drone-kaniko
settings:
registry: registry.example.com
repo: registry.example.com/example-project
# tags: ${DRONE_COMMIT_SHA} <= it must be left undefined
username:
from_secret: docker-username
password:
from_secret: docker-passwordSet auto_tag: true.
kind: pipeline
name: default
steps:
- name: build
image: golang
commands:
- go get
- go build
- name: publish
image: postclick/drone-kaniko
settings:
registry: registry.example.com
repo: registry.example.com/example-project
auto_tag: true # higher priority then .tags file
# tags: ${DRONE_COMMIT_SHA} <= it must be left undefined to use auto_tag
username:
from_secret: docker-username
password:
from_secret: docker-passwordSet auto_tag_from_env: [env1, env2, ..., envN].
kind: pipeline
name: default
steps:
- name: build
image: golang
commands:
- go get
- go build
- name: publish
image: postclick/drone-kaniko
settings:
registry: registry.example.com
repo: registry.example.com/example-project
auto_tag_from_env: [ DRONE_COMMIT_SHA, DRONE_SOURCE_BRANCH ] # get values from env and use as tag
# auto_tag: true # <= it must be left undefined to use auto_tag_from_env
# tags: ${DRONE_COMMIT_SHA} <= it must be left undefined to use auto_tag_from_env
username:
from_secret: docker-username
password:
from_secret: docker-passworddocker run -it --rm -w /src -v $PWD:/src -e PLUGIN_USERNAME=${DOCKER_USERNAME} -e PLUGIN_PASSWORD=${DOCKER_PASSWORD} -e PLUGIN_REPO=postclick/drone-kaniko-test -e PLUGIN_TAGS=test -e PLUGIN_DOCKERFILE=Dockerfile.test postclick/drone-kanikoStart a Docker registry at 127.0.0.1:5000:
docker run -d -p 5000:5000 --restart always --name registry --hostname registry.local registry:2Add the following lines to plugin.sh's final command and build a new image from it:
+ --cache=true \
+ --cache-repo=127.0.0.1:5000/${PLUGIN_REPO} \docker build -t postclick/drone-kaniko .Warm up the alpine image to the cache:
docker run -v $PWD:/cache gcr.io/kaniko-project/warmer:latest --verbosity=debug --image=alpine:3.8Run the builder (on the host network to be able to access the registry, if any specified) with mounting the local disk cache, this example pushes to Docker Hub:
docker run --net=host -it --rm -w /src -v $PWD:/cache -v $PWD:/src -e PLUGIN_USERNAME=${DOCKER_USERNAME} -e PLUGIN_PASSWORD=${DOCKER_PASSWORD} -e PLUGIN_REPO=postclick/drone-kaniko-test -e PLUGIN_TAGS=test -e PLUGIN_DOCKERFILE=Dockerfile.test -e PLUGIN_CACHE=true postclick/drone-kanikoThe very same example just pushing to GCR instead of Docker Hub:
docker run --net=host -it --rm -w /src -v $PWD:/cache -v $PWD:/src -e PLUGIN_REGISTRY=gcr.io -e PLUGIN_REPO=paas-dev1/drone-kaniko-test -e PLUGIN_TAGS=test -e PLUGIN_DOCKERFILE=Dockerfile.test -e PLUGIN_CACHE=true -e PLUGIN_JSON_KEY="$(<$HOME/google-application-credentials.json)" postclick/drone-kaniko
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