139 lines
4.1 KiB
Markdown
139 lines
4.1 KiB
Markdown
# drone-kaniko
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Drone kaniko plugin uses [kaniko](https://github.com/GoogleContainerTools/kaniko) to build and publish Docker images to a container registry.
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Plugin images are published with 1.6.0 as well as 1.8.1 kaniko version from 1.5.1 release tag. `plugins/kaniko:<release-tag>` uses 1.6.0 version while `plugins/kaniko:<release-tag>-kaniko1.8.1` uses 1.8.1 version. Similar convention is used for plugins/kaniko-ecr & plugins/kaniko-gcr images as well.
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## Build
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Build the binaries with the following commands:
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```console
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export GOOS=linux
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export GOARCH=amd64
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export CGO_ENABLED=0
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export GO111MODULE=on
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go build -v -a -tags netgo -o release/linux/amd64/kaniko-docker ./cmd/kaniko-docker
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go build -v -a -tags netgo -o release/linux/amd64/kaniko-gcr ./cmd/kaniko-gcr
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go build -v -a -tags netgo -o release/linux/amd64/kaniko-ecr ./cmd/kaniko-ecr
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go build -v -a -tags netgo -o release/linux/amd64/kaniko-acr ./cmd/kaniko-acr
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```
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## Docker
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Build the Docker images with the following commands:
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```console
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docker build \
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--label org.label-schema.build-date=$(date -u +"%Y-%m-%dT%H:%M:%SZ") \
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--label org.label-schema.vcs-ref=$(git rev-parse --short HEAD) \
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--file docker/docker/Dockerfile.linux.amd64 --tag plugins/kaniko .
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docker build \
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--label org.label-schema.build-date=$(date -u +"%Y-%m-%dT%H:%M:%SZ") \
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--label org.label-schema.vcs-ref=$(git rev-parse --short HEAD) \
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--file docker/acr/Dockerfile.linux.amd64 --tag plugins/kaniko-acr .
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docker build \
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--label org.label-schema.build-date=$(date -u +"%Y-%m-%dT%H:%M:%SZ") \
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--label org.label-schema.vcs-ref=$(git rev-parse --short HEAD) \
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--file docker/gcr/Dockerfile.linux.amd64 --tag plugins/kaniko-gcr .
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docker build \
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--label org.label-schema.build-date=$(date -u +"%Y-%m-%dT%H:%M:%SZ") \
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--label org.label-schema.vcs-ref=$(git rev-parse --short HEAD) \
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--file docker/ecr/Dockerfile.linux.amd64 --tag plugins/kaniko-ecr .
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```
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## Usage
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### Manual Tagging
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```console
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docker run --rm \
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-e PLUGIN_TAGS=1.2,latest \
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-e PLUGIN_DOCKERFILE=/drone/Dockerfile \
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-e PLUGIN_REPO=foo/bar \
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-e PLUGIN_USERNAME=foo \
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-e PLUGIN_PASSWORD=bar \
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-v $(pwd):/drone \
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-w /drone \
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plugins/kaniko:linux-amd64
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```
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With expanded tagging enabled, semantic versions can be passed to PLUGIN_TAGS directly for expansion.
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**Note**: this feature only works for build labels. Artifact labels are not supported.
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```console
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docker run --rm \
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-e PLUGIN_TAGS=v1.2.3,latest \
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-e PLUGIN_EXPAND_TAG=true \
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-v $(pwd):/drone \
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-w /drone \
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plugins/kaniko:linux-amd64
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```
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would both be equivalent to
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```
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PLUGIN_TAGS=1,1.2,1.2.3,latest
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```
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This allows for passing `$DRONE_TAG` directly as a tag for repos that use [semver](https://semver.org) tags.
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To avoid confusion between repo tags and image tags, `PLUGIN_EXPAND_TAG` also recognizes a semantic version
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without the `v` prefix. As such, the following is also equivalent to the above:
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```console
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docker run --rm \
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-e PLUGIN_TAGS=1.2.3,latest \
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-e PLUGIN_EXPAND_TAG=true \
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-v $(pwd):/drone \
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-w /drone \
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plugins/kaniko:linux-amd64
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```
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### Auto Tagging
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The [auto tag feature](https://plugins.drone.io/drone-plugins/drone-docker) of docker plugin is also supported.
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When auto tagging is enabled, if any of the case is matched below, a docker build will be pushed with auto generated tags. Otherwise the docker build will be skipped.
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**Note**: this feature only works for build labels. Artifact labels are not supported.
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#### Git Tag Push:
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```console
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docker run --rm \
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-e DRONE_COMMIT_REF=refs/tags/v1.2.3 \
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-e PLUGIN_REPO=foo/bar \
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-e PLUGIN_USERNAME=foo \
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-e PLUGIN_PASSWORD=bar \
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-e PLUGIN_AUTO_TAG=true \
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-v $(pwd):/drone \
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-w /drone \
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plugins/kaniko:linux-amd64
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```
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Tags to push:
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- 1.2.3
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- 1.2
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- 1
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#### Git Commit Push in default branch:
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```console
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docker run --rm \
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-e DRONE_COMMIT_REF=refs/heads/master \
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-e DRONE_REPO_BRANCH=main \
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-e PLUGIN_REPO=foo/bar \
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-e PLUGIN_USERNAME=foo \
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-e PLUGIN_PASSWORD=bar \
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-e PLUGIN_AUTO_TAG=true \
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-v $(pwd):/drone \
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-w /drone \
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plugins/kaniko:linux-amd64
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```
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Tags to push:
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- latest
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