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Add support for `image.digest` (#444) 

fix #398

Co-authored-by: justusbunsi <sk.bunsenbrenner@gmail.com>
Reviewed-on: https://gitea.com/gitea/helm-chart/pulls/444
Reviewed-by: justusbunsi <justusbunsi@noreply.gitea.com>
Co-authored-by: pat-s <patrick.schratz@gmail.com>
Co-committed-by: pat-s <patrick.schratz@gmail.com>
This commit is contained in:
pat-s 2023-09-09 15:36:19 +00:00 committed by justusbunsi
parent 95d5fb209b
commit 0e5bccd732
4 changed files with 90 additions and 4 deletions
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1
README.md
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@ -719,6 +719,7 @@ kubectl create secret generic gitea-themes --from-file={{FULL-PATH-TO-CSS}} --na
| `image.registry` | image registry, e.g. gcr.io,docker.io | `""` |
| `image.repository` | Image to start for this pod | `gitea/gitea` |
| `image.tag` | Visit: [Image tag](https://hub.docker.com/r/gitea/gitea/tags?page=1&ordering=last_updated). Defaults to `appVersion` within Chart.yaml. | `""` |
| `image.digest` | Image digest. Allows to pin the given image tag. Useful for having control over mutable tags like `latest` | `""` |
| `image.pullPolicy` | Image pull policy | `Always` |
| `image.rootless` | Wether or not to pull the rootless version of Gitea, only works on Gitea 1.14.x or higher | `true` |
| `imagePullSecrets` | Secret to use for pulling the image | `[]` |

13
templates/_helpers.tpl
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@ -57,13 +57,18 @@ Create image name and tag used by the deployment.
*/}}
{{- define "gitea.image" -}}
{{- $registry := .Values.global.imageRegistry | default .Values.image.registry -}}
{{- $name := .Values.image.repository -}}
{{- $repository := .Values.image.repository -}}
{{- $separator := ":" -}}
{{- $tag := .Values.image.tag | default .Chart.AppVersion -}}
{{- $rootless := ternary "-rootless" "" (.Values.image.rootless) -}}
{{- if $registry -}}
{{- printf "%s/%s:%s%s" $registry $name $tag $rootless -}}
{{- $digest := "" -}}
{{- if .Values.image.digest }}
{{- $digest = (printf "@%s" (.Values.image.digest | toString)) -}}
{{- end -}}
{{- if $registry }}
{{- printf "%s/%s%s%s%s%s" $registry $repository $separator $tag $rootless $digest -}}
{{- else -}}
{{- printf "%s:%s%s" $name $tag $rootless -}}
{{- printf "%s%s%s%s%s" $repository $separator $tag $rootless $digest -}}
{{- end -}}
{{- end -}}

78
unittests/deployment/image-configuration.yaml Normal file
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@ -0,0 +1,78 @@
suite: deployment template (image configuration)
release:
name: gitea-unittests
namespace: testing
chart:
# Override appVersion to be consistent with used digest :)
appVersion: 1.19.3
templates:
- templates/gitea/deployment.yaml
- templates/gitea/config.yaml
tests:
- it: default values
template: templates/gitea/deployment.yaml
asserts:
- equal:
path: spec.template.spec.containers[0].image
value: "gitea/gitea:1.19.3-rootless"
- it: tag override
template: templates/gitea/deployment.yaml
set:
image.tag: "1.19.4"
asserts:
- equal:
path: spec.template.spec.containers[0].image
value: "gitea/gitea:1.19.4-rootless"
- it: root-based image
template: templates/gitea/deployment.yaml
set:
image.rootless: false
asserts:
- equal:
path: spec.template.spec.containers[0].image
value: "gitea/gitea:1.19.3"
- it: scoped registry
template: templates/gitea/deployment.yaml
set:
image.registry: "example.com"
asserts:
- equal:
path: spec.template.spec.containers[0].image
value: "example.com/gitea/gitea:1.19.3-rootless"
- it: global registry
template: templates/gitea/deployment.yaml
set:
global.imageRegistry: "global.example.com"
asserts:
- equal:
path: spec.template.spec.containers[0].image
value: "global.example.com/gitea/gitea:1.19.3-rootless"
- it: digest for rootless image
template: templates/gitea/deployment.yaml
set:
image:
rootless: true
digest: sha256:b28e8f3089b52ebe6693295df142f8c12eff354e9a4a5bfbb5c10f296c3a537a
asserts:
- equal:
path: spec.template.spec.containers[0].image
value: "gitea/gitea:1.19.3-rootless@sha256:b28e8f3089b52ebe6693295df142f8c12eff354e9a4a5bfbb5c10f296c3a537a"
- it: digest for root-based image
template: templates/gitea/deployment.yaml
set:
image:
rootless: false
digest: sha256:b28e8f3089b52ebe6693295df142f8c12eff354e9a4a5bfbb5c10f296c3a537a
asserts:
- equal:
path: spec.template.spec.containers[0].image
value: "gitea/gitea:1.19.3@sha256:b28e8f3089b52ebe6693295df142f8c12eff354e9a4a5bfbb5c10f296c3a537a"
- it: digest and global registry
template: templates/gitea/deployment.yaml
set:
global.imageRegistry: "global.example.com"
image.digest: "sha256:b28e8f3089b52ebe6693295df142f8c12eff354e9a4a5bfbb5c10f296c3a537a"
asserts:
- equal:
path: spec.template.spec.containers[0].image
value: "global.example.com/gitea/gitea:1.19.3-rootless@sha256:b28e8f3089b52ebe6693295df142f8c12eff354e9a4a5bfbb5c10f296c3a537a"

2
values.yaml
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@ -40,6 +40,7 @@ clusterDomain: cluster.local
## @param image.registry image registry, e.g. gcr.io,docker.io
## @param image.repository Image to start for this pod
## @param image.tag Visit: [Image tag](https://hub.docker.com/r/gitea/gitea/tags?page=1&ordering=last_updated). Defaults to `appVersion` within Chart.yaml.
## @param image.digest Image digest. Allows to pin the given image tag. Useful for having control over mutable tags like `latest`
## @param image.pullPolicy Image pull policy
## @param image.rootless Wether or not to pull the rootless version of Gitea, only works on Gitea 1.14.x or higher
image:
@ -47,6 +48,7 @@ image:
repository: gitea/gitea
# Overrides the image tag whose default is the chart appVersion.
tag: ""
digest: ""
pullPolicy: Always
rootless: true