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Add support for hostAliases #234

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merged 2 commits into from
Nov 13, 2024
Merged

Add support for hostAliases #234

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8053d5e
Add support for hostAliases
jdamata Jul 15, 2024
53d6aa1
bump chart version and run pre-commit
coreydaley Nov 11, 2024
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2 changes: 1 addition & 1 deletion charts/backstage/Chart.yaml
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Expand Up @@ -38,4 +38,4 @@ sources:
# This is the chart version. This version number should be incremented each time you make changes
# to the chart and its templates, including the app version.
# Versions are expected to follow Semantic Versioning (https://semver.org/)
version: 2.1.0
version: 2.2.0
3 changes: 2 additions & 1 deletion charts/backstage/README.md
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Expand Up @@ -2,7 +2,7 @@
# Backstage Helm Chart

[![Artifact Hub](https://img.shields.io/endpoint?url=https://artifacthub.io/badge/repository/backstage)](https://artifacthub.io/packages/search?repo=backstage)
![Version: 2.1.0](https://img.shields.io/badge/Version-2.1.0-informational?style=flat-square)
![Version: 2.2.0](https://img.shields.io/badge/Version-2.2.0-informational?style=flat-square)
![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square)

A Helm chart for deploying a Backstage application
Expand Down Expand Up @@ -127,6 +127,7 @@ Kubernetes: `>= 1.19.0-0`
| backstage.extraEnvVarsSecrets | Backstage container environment variables from existing Secrets | list | `[]` |
| backstage.extraVolumeMounts | Backstage container additional volume mounts | list | `[]` |
| backstage.extraVolumes | Backstage container additional volumes | list | `[]` |
| backstage.hostAliases | Host Aliases for the pod <br /> Ref: https://kubernetes.io/docs/concepts/services-networking/add-entries-to-pod-etc-hosts-with-host-aliases/ | list | `[]` |
| backstage.image.digest | Backstage image digest (digest takes precedence over image tag) | string | `""` |
| backstage.image.pullPolicy | Specify a imagePullPolicy. Defaults to 'Always' if image tag is 'latest', else set to 'IfNotPresent' <br /> Ref: https://kubernetes.io/docs/concepts/containers/images/#image-pull-policy | string | `"Always"` |
| backstage.image.pullSecrets | Optionally specify an array of imagePullSecrets. Secrets must be manually created in the namespace. <br /> Ref: https://kubernetes.io/docs/tasks/configure-pod-container/pull-image-private-registry/ <br /> E.g: `pullSecrets: [myRegistryKeySecretName]` | list | `[]` |
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4 changes: 4 additions & 0 deletions charts/backstage/templates/backstage-deployment.yaml
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Expand Up @@ -59,6 +59,10 @@ spec:
tolerations:
{{- include "common.tplvalues.render" ( dict "value" .Values.backstage.tolerations "context" $) | nindent 8 }}
{{- end }}
{{- if .Values.backstage.hostAliases }}
hostAliases:
{{- include "common.tplvalues.render" ( dict "value" .Values.backstage.hostAliases "context" $) | nindent 8 }}
{{- end }}
volumes:
{{- if (or .Values.backstage.extraAppConfig (and .Values.backstage.extraVolumeMounts .Values.backstage.extraVolumes)) }}
{{- range .Values.backstage.extraAppConfig }}
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37 changes: 37 additions & 0 deletions charts/backstage/values.schema.json
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Expand Up @@ -1430,6 +1430,7 @@
"type": "integer"
},
"grpc": {
"description": "GRPCAction specifies an action involving a GRPC service.",
"properties": {
"port": {
"description": "Port number of the gRPC service. Number must be in the range 1 to 65535.",
Expand Down Expand Up @@ -1620,6 +1621,7 @@
"type": "integer"
},
"grpc": {
"description": "GRPCAction specifies an action involving a GRPC service.",
"properties": {
"port": {
"description": "Port number of the gRPC service. Number must be in the range 1 to 65535.",
Expand Down Expand Up @@ -2002,6 +2004,7 @@
"type": "integer"
},
"grpc": {
"description": "GRPCAction specifies an action involving a GRPC service.",
"properties": {
"port": {
"description": "Port number of the gRPC service. Number must be in the range 1 to 65535.",
Expand Down Expand Up @@ -2979,6 +2982,7 @@
"x-kubernetes-map-type": "atomic"
},
"dataSourceRef": {
"description": "TypedObjectReference contains enough information to let you locate the typed referenced object",
"properties": {
"apiGroup": {
"description": "APIGroup is the group for the resource being referenced. If APIGroup is not specified, the specified Kind must be in the core API group. For any other third-party types, APIGroup is required.",
Expand Down Expand Up @@ -3978,6 +3982,33 @@
"title": "Backstage container additional volumes",
"type": "array"
},
"hostAliases": {
"default": [],
"description": "Ref: https://kubernetes.io/docs/tasks/network/customize-hosts-file-for-pods/#adding-additional-entries-with-hostaliases",
"items": {
"description": "HostAlias holds the mapping between IP and hostnames that will be injected as an entry in the pod's hosts file.",
"properties": {
"hostnames": {
"description": "Hostnames for the above IP address.",
"items": {
"type": "string"
},
"type": "array",
"x-kubernetes-list-type": "atomic"
},
"ip": {
"description": "IP address of the host file entry.",
"type": "string"
}
},
"required": [
"ip"
],
"type": "object"
},
"title": "Adding entries to a Pod's /etc/hosts file provides Pod-level override of hostname resolution when DNS and other options are not applicable",
"type": "array"
},
"image": {
"additionalProperties": false,
"properties": {
Expand Down Expand Up @@ -4480,6 +4511,7 @@
"type": "integer"
},
"grpc": {
"description": "GRPCAction specifies an action involving a GRPC service.",
"properties": {
"port": {
"description": "Port number of the gRPC service. Number must be in the range 1 to 65535.",
Expand Down Expand Up @@ -4670,6 +4702,7 @@
"type": "integer"
},
"grpc": {
"description": "GRPCAction specifies an action involving a GRPC service.",
"properties": {
"port": {
"description": "Port number of the gRPC service. Number must be in the range 1 to 65535.",
Expand Down Expand Up @@ -5052,6 +5085,7 @@
"type": "integer"
},
"grpc": {
"description": "GRPCAction specifies an action involving a GRPC service.",
"properties": {
"port": {
"description": "Port number of the gRPC service. Number must be in the range 1 to 65535.",
Expand Down Expand Up @@ -5310,6 +5344,7 @@
"type": "integer"
},
"grpc": {
"description": "GRPCAction specifies an action involving a GRPC service.",
"properties": {
"port": {
"description": "Port number of the gRPC service. Number must be in the range 1 to 65535.",
Expand Down Expand Up @@ -5631,6 +5666,7 @@
"type": "integer"
},
"grpc": {
"description": "GRPCAction specifies an action involving a GRPC service.",
"properties": {
"port": {
"description": "Port number of the gRPC service. Number must be in the range 1 to 65535.",
Expand Down Expand Up @@ -5846,6 +5882,7 @@
"type": "integer"
},
"grpc": {
"description": "GRPCAction specifies an action involving a GRPC service.",
"properties": {
"port": {
"description": "Port number of the gRPC service. Number must be in the range 1 to 65535.",
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9 changes: 9 additions & 0 deletions charts/backstage/values.schema.tmpl.json
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Expand Up @@ -574,6 +574,15 @@
},
"default": []
},
"hostAliases": {
"title": "Adding entries to a Pod's /etc/hosts file provides Pod-level override of hostname resolution when DNS and other options are not applicable",
"description": "Ref: https://kubernetes.io/docs/tasks/network/customize-hosts-file-for-pods/#adding-additional-entries-with-hostaliases",
"type": "array",
"items": {
"$ref": "https://raw.githubusercontent.com/yannh/kubernetes-json-schema/master/master/_definitions.json#/definitions/io.k8s.api.core.v1.HostAlias"
},
"default": []
},
"podAnnotations": {
"title": "Annotations to add to the backend deployment pods",
"type": "object",
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4 changes: 4 additions & 0 deletions charts/backstage/values.yaml
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Expand Up @@ -278,6 +278,10 @@ backstage:
# value: "value"
# effect: "NoSchedule|PreferNoSchedule|NoExecute"

# -- Host Aliases for the pod
# <br /> Ref: https://kubernetes.io/docs/concepts/services-networking/add-entries-to-pod-etc-hosts-with-host-aliases/
hostAliases: []

# -- Annotations to add to the backend deployment pods
podAnnotations: {}

Expand Down
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