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Merge pull request #449 from KohlsTechnology/arm-image

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Enable Multi-Arch Container Image Builds
This commit is contained in:
Kubernetes Prow Robot
2020-12-03 17:55:25 -08:00
committed by GitHub
parent a5e8ba1a70 94f1c7dd8d
commit de24f3854b
5 changed files with 40 additions and 6 deletions
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3
Dockerfile
View File

@@ -15,8 +15,9 @@ FROM golang:1.15.5
WORKDIR /go/src/sigs.k8s.io/descheduler
COPY . .
ARG ARCH
ARG VERSION
RUN VERSION=${VERSION} make
RUN VERSION=${VERSION} make build.$ARCH
FROM scratch

29
Makefile
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@@ -18,6 +18,7 @@
VERSION?=v$(shell date +%Y%m%d)-$(shell git describe --tags --match "v*")
BUILD=$(shell date +%FT%T%z)
LDFLAG_LOCATION=sigs.k8s.io/descheduler/cmd/descheduler/app
ARCHS = amd64 arm64
LDFLAGS=-ldflags "-X ${LDFLAG_LOCATION}.version=${VERSION} -X ${LDFLAG_LOCATION}.buildDate=${BUILD}"
@@ -47,18 +48,40 @@ all: build
build:
CGO_ENABLED=0 go build ${LDFLAGS} -o _output/bin/descheduler sigs.k8s.io/descheduler/cmd/descheduler
build.amd64:
CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build ${LDFLAGS} -o _output/bin/descheduler sigs.k8s.io/descheduler/cmd/descheduler
build.arm64:
CGO_ENABLED=0 GOOS=linux GOARCH=arm64 go build ${LDFLAGS} -o _output/bin/descheduler sigs.k8s.io/descheduler/cmd/descheduler
dev-image: build
docker build -f Dockerfile.dev -t $(IMAGE) .
image:
docker build --build-arg VERSION="$(VERSION)" -t $(IMAGE) .
docker build --build-arg VERSION="$(VERSION)" --build-arg ARCH="amd64" -t $(IMAGE) .
push-container-to-gcloud: image
image.amd64:
docker build --build-arg VERSION="$(VERSION)" --build-arg ARCH="amd64" -t $(IMAGE)-amd64 .
image.arm64:
docker build --build-arg VERSION="$(VERSION)" --build-arg ARCH="arm64" -t $(IMAGE)-arm64 .
push: image
gcloud auth configure-docker
docker tag $(IMAGE) $(IMAGE_GCLOUD)
docker push $(IMAGE_GCLOUD)
push: push-container-to-gcloud
push-all: image.amd64 image.arm64
gcloud auth configure-docker
for arch in $(ARCHS); do \
docker tag $(IMAGE)-$${arch} $(IMAGE_GCLOUD)-$${arch} ;\
docker push $(IMAGE_GCLOUD)-$${arch} ;\
done
DOCKER_CLI_EXPERIMENTAL=enabled docker manifest create $(IMAGE_GCLOUD) $(addprefix --amend $(IMAGE_GCLOUD)-, $(ARCHS))
for arch in $(ARCHS); do \
DOCKER_CLI_EXPERIMENTAL=enabled docker manifest annotate --arch $${arch} $(IMAGE_GCLOUD) $(IMAGE_GCLOUD)-$${arch} ;\
done
DOCKER_CLI_EXPERIMENTAL=enabled docker manifest push $(IMAGE_GCLOUD) ;\
clean:
rm -rf _output

2
cloudbuild.yaml
View File

@@ -14,7 +14,7 @@ steps:
- VERSION=$_GIT_TAG
- BASE_REF=$_PULL_BASE_REF
args:
- push
- push-all
substitutions:
# _GIT_TAG will be filled with a git-based tag for the image, of the form vYYYYMMDD-hash, and
# can be used as a substitution

2
docs/release-guide.md
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@@ -20,7 +20,7 @@
3. Push the release branch to the descheuler repo and ensure branch protection is enabled (not required for patch releases)
4. Tag the repository from the `master` branch (from the `release-1.18` branch for a patch release) and push the tag `VERSION=v0.18.0 git tag -m $VERSION $VERSION; git push origin $VERSION`
5. Checkout the tag you just created and make sure your repo is clean by git's standards `git checkout $VERSION`
6. Build and push the container image to the staging registry `VERSION=$VERSION make push`
6. Build and push the container image to the staging registry `VERSION=$VERSION make push-all`
7. Publish a draft release using the tag you just created
8. Perform the [image promotion process](https://github.com/kubernetes/k8s.io/tree/master/k8s.gcr.io#image-promoter)
9. Publish release

10
docs/user-guide.md
View File

@@ -3,6 +3,16 @@
Starting with descheduler release v0.10.0 container images are available in the official k8s container registry.
* `k8s.gcr.io/descheduler/descheduler`
Also, starting with descheduler release v0.20.0 multi-arch container images are provided. Currently AMD64 and ARM64
container images are provided. Multi-arch container images cannot be pulled by [kind](https://kind.sigs.k8s.io) from
a registry. Therefore starting with descheduler release v0.20.0 use the below process to download the official descheduler
image into a kind cluster.
```
kind create cluster
docker pull k8s.gcr.io/descheduler/descheduler:v0.20.0
kind load docker-image k8s.gcr.io/descheduler/descheduler:v0.20.0
```
## Policy Configuration Examples
The [examples](https://github.com/kubernetes-sigs/descheduler/tree/master/examples) directory has descheduler policy configuration examples.