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Allowing Custom Labels in SVC Templates (#597) 

### Description of the change
The change allows users of this chart to specify custom labels for the HTTP & SSH Services that get deployed. They are optional and if given are added to the standard list of labels.

### Benefits
Certain use cases require labelling services to be able to select them in other places. Specifiying them directly in the helm chart avoids having to label by hand everytime.

Concrete Use Case Example: Cilium Layer 2 Announcements require selecting services to announce via labels (see [docs](https://docs.cilium.io/en/stable/network/l2-announcements/#service-selector)). I would like to add a label to the SSH service, but not the HTTP Service (which is handled via an ingress).

### Possible drawbacks
I don't see any, using this feature is optional :)

### Checklist

- [X] Parameters are documented in the `values.yaml` and added to the `README.md` using [readme-generator-for-helm](https://github.com/bitnami-labs/readme-generator-for-helm)
- [X] Breaking changes are documented in the `README.md`
- [X] Templating unittests are added

Co-authored-by: Remo Geissbühler <git@remogeissbuehler.ch>
Co-authored-by: justusbunsi <justusbunsi@noreply.gitea.com>
Reviewed-on: https://gitea.com/gitea/helm-chart/pulls/597
Reviewed-by: pat-s <pat-s@noreply.gitea.com>
Reviewed-by: justusbunsi <justusbunsi@noreply.gitea.com>
Co-authored-by: remogeissbuehler <remogeissbuehler@noreply.gitea.com>
Co-committed-by: remogeissbuehler <remogeissbuehler@noreply.gitea.com>
This commit is contained in:
remogeissbuehler 2024-01-13 09:58:30 +00:00 committed by justusbunsi
parent 70e5da077a
commit 5dfaca13f2
5 changed files with 63 additions and 0 deletions
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2
README.md
View File

@ -888,6 +888,7 @@ To comply with the Gitea helm chart definition of the digest parameter, a "custo
| `service.http.ipFamilies` | HTTP service dual-stack familiy selection,for dual-stack parameters see official kubernetes [dual-stack concept documentation](https://kubernetes.io/docs/concepts/services-networking/dual-stack/). | `nil` |
| `service.http.loadBalancerSourceRanges` | Source range filter for http loadbalancer | `[]` |
| `service.http.annotations` | HTTP service annotations | `{}` |
| `service.http.labels` | HTTP service additional labels | `{}` |
| `service.ssh.type` | Kubernetes service type for ssh traffic | `ClusterIP` |
| `service.ssh.port` | Port number for ssh traffic | `22` |
| `service.ssh.clusterIP` | ClusterIP setting for ssh autosetup for deployment is None | `None` |
@ -900,6 +901,7 @@ To comply with the Gitea helm chart definition of the digest parameter, a "custo
| `service.ssh.hostPort` | HostPort for ssh service | `nil` |
| `service.ssh.loadBalancerSourceRanges` | Source range filter for ssh loadbalancer | `[]` |
| `service.ssh.annotations` | SSH service annotations | `{}` |
| `service.ssh.labels` | SSH service additional labels | `{}` |
### Ingress

3
templates/gitea/http-svc.yaml
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@ -4,6 +4,9 @@ metadata:
name: {{ include "gitea.fullname" . }}-http
labels:
{{- include "gitea.labels" . | nindent 4 }}
{{- if .Values.service.http.labels }}
{{- toYaml .Values.service.http.labels | nindent 4 }}
{{- end }}
annotations:
{{- toYaml .Values.service.http.annotations | nindent 4 }}
spec:

3
templates/gitea/ssh-svc.yaml
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@ -4,6 +4,9 @@ metadata:
name: {{ include "gitea.fullname" . }}-ssh
labels:
{{- include "gitea.labels" . | nindent 4 }}
{{- if .Values.service.ssh.labels }}
{{- toYaml .Values.service.ssh.labels | nindent 4 }}
{{- end }}
annotations:
{{- toYaml .Values.service.ssh.annotations | nindent 4 }}
spec:

51
unittests/deployment/svc-configuration.yaml Normal file
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@ -0,0 +1,51 @@
suite: ssh-svc / http-svc template (Services configuration)
release:
name: gitea-unittests
namespace: testing
templates:
- templates/gitea/ssh-svc.yaml
- templates/gitea/http-svc.yaml
tests:
- it: supports adding custom labels to ssh-svc
template: templates/gitea/ssh-svc.yaml
set:
service:
ssh:
labels:
gitea/testkey: testvalue
asserts:
- equal:
path: metadata.labels["gitea/testkey"]
value: "testvalue"
- it: keeps existing labels (ssh)
template: templates/gitea/ssh-svc.yaml
set:
service:
ssh:
labels: {}
asserts:
- exists:
path: metadata.labels["app"]
- it: supports adding custom labels to http-svc
template: templates/gitea/http-svc.yaml
set:
service:
http:
labels:
gitea/testkey: testvalue
asserts:
- equal:
path: metadata.labels["gitea/testkey"]
value: "testvalue"
- it: keeps existing labels (http)
template: templates/gitea/http-svc.yaml
set:
service:
http:
labels: {}
asserts:
- exists:
path: metadata.labels["app"]

4
values.yaml
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@ -106,6 +106,7 @@ service:
## @param service.http.ipFamilies HTTP service dual-stack familiy selection,for dual-stack parameters see official kubernetes [dual-stack concept documentation](https://kubernetes.io/docs/concepts/services-networking/dual-stack/).
## @param service.http.loadBalancerSourceRanges Source range filter for http loadbalancer
## @param service.http.annotations HTTP service annotations
## @param service.http.labels HTTP service additional labels
http:
type: ClusterIP
port: 3000
@ -118,6 +119,7 @@ service:
ipFamilies:
loadBalancerSourceRanges: []
annotations: {}
labels: {}
## @param service.ssh.type Kubernetes service type for ssh traffic
## @param service.ssh.port Port number for ssh traffic
## @param service.ssh.clusterIP ClusterIP setting for ssh autosetup for deployment is None
@ -130,6 +132,7 @@ service:
## @param service.ssh.hostPort HostPort for ssh service
## @param service.ssh.loadBalancerSourceRanges Source range filter for ssh loadbalancer
## @param service.ssh.annotations SSH service annotations
## @param service.ssh.labels SSH service additional labels
ssh:
type: ClusterIP
port: 22
@ -143,6 +146,7 @@ service:
hostPort:
loadBalancerSourceRanges: []
annotations: {}
labels: {}
## @section Ingress
## @param ingress.enabled Enable ingress