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Use Zstandard to transfer Docker images between CI jobs

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This commit is contained in:
Héctor Molinero Fernández 2021-01-15 19:35:12 +01:00
parent 7687a6b533
commit 8f0793db9e
2 changed files with 5 additions and 5 deletions
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4
.gitlab-ci.yml
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@ -17,7 +17,7 @@ default:
build:images:
stage: 'build:images'
before_script:
- 'apk add --no-cache coreutils git make xz'
- 'apk add --no-cache coreutils git make zstd'
script:
- 'make IMAGE_BUILD_OPTS="--pull" build-image save-image'
artifacts:
@ -32,7 +32,7 @@ push:images:
only:
- '/^v[0-9]+$/'
before_script:
- 'apk add --no-cache coreutils git make xz'
- 'apk add --no-cache coreutils git make zstd'
- 'docker login -u "${CI_REGISTRY_USER:?}" -p "${CI_REGISTRY_PASSWORD:?}" "${CI_REGISTRY:?}"'
script:
- 'make load-image push-image'

6
Makefile
View File

@ -22,7 +22,7 @@ endif

IMAGE_BUILD_OPTS :=

IMAGE_TARBALL := $(DISTDIR)/$(IMAGE_PROJECT).txz
IMAGE_TARBALL := $(DISTDIR)/$(IMAGE_PROJECT).tzst

##################################################
## "all" target
@ -47,7 +47,7 @@ build-image:
##################################################

define save_image
'$(DOCKER)' save '$(1)' | xz -T0 > '$(2)'
'$(DOCKER)' save '$(1)' | zstd -T0 -19 > '$(2)'
endef

.PHONY: save-image
@ -62,7 +62,7 @@ $(IMAGE_TARBALL): build-image
##################################################

define load_image
'$(DOCKER)' load -i '$(1)'
zstd -dc '$(1)' | '$(DOCKER)' load
endef

define tag_image