Commit 0aff3be9 authored by Jonathan S. Katz's avatar Jonathan S. Katz Committed by Jonathan S. Katz
Browse files

Add support for backups to GCS via Helm chart 

This adds both a quickstart for backing up to GCS as well as
use of GCS in a multi-repository setup.
parent d1ba873b

helm/postgres/templates/_gcs.tpl

0 → 100644
+7 −0
Original line number Diff line number Diff line 
{{/* Allow for GCS secret information to be stored in a Secret */}}

{{- define "postgres.gcs" }}

[global]

{{- if .gcs }}

repo{{ add .index 1 }}-gcs-key=/etc/pgbackrest/conf.d/gcs-key.json

{{- end }}

{{ end }}

helm/postgres/templates/pgbackrest-secret.yaml

+13 −1
Original line number Diff line number Diff line 
{{- if or .Values.multiBackupRepos .Values.s3 }}

{{- if or .Values.multiBackupRepos .Values.s3 .Values.gcs }}

apiVersion: v1

kind: Secret

metadata:
@@ -11,11 +11,23 @@ data: 
  {{- $args := dict "s3" $repo.s3 "index" $index }}

  s3.conf: |-

        {{ include "postgres.s3" $args | b64enc }}

  {{- else if $repo.gcs }}

  {{- $args := dict "gcs" $repo.gcs "index" $index }}

  gcs.conf: |-

        {{ include "postgres.gcs" $args | b64enc }}

  gcs-key.json: |-

        {{ $repo.gcs.key | b64enc }}

  {{- end }}

{{- end }}

{{- else if .Values.s3 }}

  {{- $args := dict "s3" .Values.s3 "index" 0 }}

  s3.conf: |-

        {{ include "postgres.s3" $args | b64enc }}

{{- else if .Values.gcs }}

  {{- $args := dict "gcs" .Values.gcs "index" 0 }}

  gcs.conf: |-

        {{ include "postgres.gcs" $args | b64enc }}

  gcs-key.json: |-

        {{ .Values.gcs.key | b64enc }}

{{- end }}

{{- end }}

helm/postgres/templates/postgres.yaml

+14 −1
Original line number Diff line number Diff line
@@ -46,7 +46,7 @@ spec: 
          name: {{ default .Release.Name .Values.name }}-pgbackrest-secret

      global:

        {{- range $index, $repo := .Values.multiBackupRepos }}

        {{- if $repo.s3 }}

        {{- if or $repo.s3 $repo.gcs }}

        repo{{ add $index 1 }}-path: /pgbackrest/{{ $.Release.Namespace }}/{{ default $.Release.Name $.Values.name }}/repo{{ add $index 1 }}

        {{- end }}

        {{- end }}
@@ -66,6 +66,9 @@ spec: 
          bucket: {{ $repo.s3.bucket | quote }}

          endpoint: {{ $repo.s3.endpoint | quote }}

          region: {{ $repo.s3.region | quote }}

        {{- else if $repo.gcs }}

        gcs:

          bucket: {{ $repo.gcs.bucket | quote }}

        {{- end }}

      {{- end }}

{{- else if .Values.s3 }}
@@ -83,6 +86,16 @@ spec: 
          bucket: {{ .Values.s3.bucket | quote }}

          endpoint: {{ .Values.s3.endpoint | quote }}

          region: {{ .Values.s3.region | quote }}

{{- else if .Values.gcs }}

      configuration:

      - secret:

          name: {{ default .Release.Name .Values.name }}-pgbackrest-secret

      global:

        repo1-path: /pgbackrest/{{ .Release.Namespace }}/{{ default .Release.Name .Values.name }}/repo1

      repos:

      - name: repo1

        gcs:

          bucket: {{ .Values.gcs.bucket | quote }}

{{- else }}

      repos:

      - name: repo1

helm/postgres/values.yaml

+15 −0
Original line number Diff line number Diff line
@@ -189,6 +189,17 @@ 
#   # built-in encrpytion system.

#   encryptionPassphrase: ""



# gcs allows for Google Cloud Storage (GCS) to be used for backups. This allows

# for a quick setup with GCS; if you need a more advanced setup, use

# "pgBackRestConfig".

# gcs:

#   # bucket is the name of the GCS bucket that the backups will be stored in.

#   bucket: ""

#   # key is a multi-line string that contains the GCS key, which is a JSON

#   # structure.

#   key: |

#     {}



# multiBackupRepos allows for backing up to multiple repositories. This is

# effectively uses the "quickstarts" for each of the backup types (volume, s3,

# gcs, azure). You can have any permutation of these types. You can set up to 4.
@@ -209,6 +220,10 @@ 
#     region: ""

#     key: ""

#     keySecret: ""

# - gcs:

#     bucket: ""

#     key: |

#       {}



# pgBackRestConfig allows for the configuration of every pgBackRest option

# except for "image", which is set by "pgBackRest".