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Add support for read replica (#105)

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Tim Campbell 2024-01-11 03:56:14 -08:00 committed by GitHub
parent 8f5e9dc971
commit 0072b14a6a
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5 changed files with 49 additions and 0 deletions
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15
templates/configmap-env.yaml
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@ -15,6 +15,21 @@ data:
DB_NAME: {{ .Values.postgresql.auth.database }}
DB_POOL: {{ include "mastodon.maxDbPool" . }}
DB_USER: {{ .Values.postgresql.auth.username }}
{{- if .Values.postgresql.readReplica.hostname }}
REPLICA_DB_HOST: {{ .Values.postgresql.readReplica.hostname }}
{{- end }}
{{- if .Values.postgresql.readReplica.port }}
REPLICA_DB_PORT: {{ .Values.postgresql.readReplica.port }}
{{- end }}
{{- if .Values.postgresql.readReplica.auth.database }}
REPLICA_DB_NAME: {{ .Values.postgresql.readReplica.auth.database }}
{{- end }}
{{- if .Values.postgresql.readReplica.auth.username }}
REPLICA_DB_USER: {{ .Values.postgresql.readReplica.auth.username }}
{{- end }}
{{- if .Values.postgresql.readReplica.auth.password }}
REPLICA_DB_PASS: {{ .Values.postgresql.readReplica.auth.password }}
{{- end }}
PREPARED_STATEMENTS: {{ .Values.mastodon.preparedStatements | quote }}
DEFAULT_LOCALE: {{ .Values.mastodon.locale }}
{{- if .Values.elasticsearch.enabled }}

7
templates/deployment-sidekiq.yaml
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@ -102,6 +102,13 @@ spec:
secretKeyRef:
name: {{ template "mastodon.postgresql.secretName" $context }}
key: password
{{- if $context.Values.postgresql.readReplica.auth.existingSecret }}
- name: "REPLICA_DB_PASS"
valueFrom:
secretKeyRef:
name: {{ $context.Values.postgresql.readReplica.auth.existingSecret }}
key: password
{{- end }}
- name: "REDIS_PASSWORD"
valueFrom:
secretKeyRef:

7
templates/deployment-streaming.yaml
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@ -56,6 +56,13 @@ spec:
secretKeyRef:
name: {{ template "mastodon.postgresql.secretName" . }}
key: password
{{- if .Values.postgresql.readReplica.auth.existingSecret }}
- name: "REPLICA_DB_PASS"
valueFrom:
secretKeyRef:
name: {{ .Values.postgresql.readReplica.auth.existingSecret }}
key: password
{{- end }}
- name: "REDIS_PASSWORD"
valueFrom:
secretKeyRef:

7
templates/deployment-web.yaml
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@ -79,6 +79,13 @@ spec:
secretKeyRef:
name: {{ template "mastodon.postgresql.secretName" . }}
key: password
{{- if .Values.postgresql.readReplica.auth.existingSecret }}
- name: "REPLICA_DB_PASS"
valueFrom:
secretKeyRef:
name: {{ .Values.postgresql.readReplica.auth.existingSecret}}
key: password
{{- end }}
- name: "REDIS_PASSWORD"
valueFrom:
secretKeyRef:

13
values.yaml
View File

@ -362,6 +362,19 @@ postgresql:
# with a key of password set to the password you want
existingSecret: ""
# Options for a read-only replica.
# If enabled, mastodon uses existing defaults for postgres for these values as well.
# Documentation for more information on this feature:
# https://docs.joinmastodon.org/admin/scaling/#read-replicas
readReplica:
hostname:
port:
auth:
database:
username:
password:
existingSecret:
# https://github.com/bitnami/charts/tree/master/bitnami/redis#parameters
redis:
# disable if you want to use an existing redis instance; in which case the