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Feat: Add PgPool Support on Postgres #1261

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7cc1865
Add pgpool connection pooling for PostgreSQL
NotTabassum Jun 22, 2026
ff3d66e
config values updated
NotTabassum Jun 26, 2026
6ebf9bb
idle time increase
NotTabassum Jun 29, 2026
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10 changes: 10 additions & 0 deletions apis/installer/v1alpha1/ace_ace_types.go
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Expand Up @@ -395,6 +395,16 @@ type Settings struct {
Firebase FirebaseSettings `json:"firebase"`
// +optional
Marketplace *MarketplaceSettings `json:"marketplace,omitempty"`
// +optional
PgPool *PgPoolSettings `json:"pgpool,omitempty"`
}

type PgPoolSettings struct {
Enabled bool `json:"enabled"`
Replicas int `json:"replicas"`
Resources core.ResourceRequirements `json:"resources"`
// +optional
Config map[string]string `json:"config,omitempty"`
}

type DBSettings struct {
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28 changes: 28 additions & 0 deletions apis/installer/v1alpha1/zz_generated.deepcopy.go
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8 changes: 8 additions & 0 deletions charts/ace/README.md
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Expand Up @@ -141,6 +141,14 @@ The following table lists the configurable parameters of the `ace` chart and the
| settings.db.auth.username | | <code>postgres</code> |
| settings.db.auth.password | | <code>"xyz"</code> |
| settings.db.logSQL | | <code>false</code> |
| settings.pgpool.enabled | | <code>true</code> |
| settings.pgpool.replicas | | <code>1</code> |
| settings.pgpool.config.num_init_children | | <code>"10"</code> |
| settings.pgpool.config.max_pool | | <code>"40"</code> |
| settings.pgpool.config.client_idle_limit | | <code>"120"</code> |
| settings.pgpool.resources.limits.memory | | <code>512Mi</code> |
| settings.pgpool.resources.requests.memory | | <code>256Mi</code> |
| settings.pgpool.resources.requests.cpu | | <code>250m</code> |
| settings.cache.version | | <code>"7.2.4"</code> |
| settings.cache.cacheInterval | | <code>60</code> |
| settings.cache.persistence.size | | <code>10Gi</code> |
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4 changes: 4 additions & 0 deletions charts/ace/templates/_helpers.tpl
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Expand Up @@ -173,8 +173,12 @@ Returns the ServiceMonitor labels
Determine database host name
*/}}
{{- define "settings.database.host" -}}
{{- if .Values.settings.pgpool.enabled -}}
{{- printf "%s-pgpool.%s.svc:9999" (include "ace.fullname" .) .Release.Namespace -}}
{{- else -}}
{{- printf "%s-db.%s.svc:5432" (include "ace.fullname" .) .Release.Namespace -}}
{{- end -}}
{{- end -}}

{{- define "settings.oauth2JWTSecret" -}}
{{ .Values.settings.security.oauth2JWTSecret | default (randAlphaNum 43) }}
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2 changes: 1 addition & 1 deletion charts/ace/templates/db/db-config.yaml
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Expand Up @@ -12,7 +12,7 @@ metadata:
type: Opaque
stringData:
user.conf: |
max_connections=110
max_connections=400
{{- if .Values.pgoutbox.enabled }}
wal_level=logical
max_wal_senders=50
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76 changes: 76 additions & 0 deletions charts/ace/templates/db/pgpool.yaml
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@@ -0,0 +1,76 @@
{{- if .Values.settings.pgpool.enabled }}
apiVersion: kubedb.com/v1alpha2
kind: Pgpool
metadata:
name: {{ include "ace.fullname" . }}-pgpool
namespace: {{ .Release.Namespace }}
labels:
{{- include "ace.labels" . | nindent 4 }}
spec:
version: "4.6.0"
replicas: {{ .Values.settings.pgpool.replicas }}
postgresRef:
name: {{ include "ace.fullname" . }}-db
namespace: {{ .Release.Namespace }}
syncUsers: true
deletionPolicy: {{ .Values.settings.db.deletionPolicy }}
{{- if .Values.settings.pgpool.config }}
configuration:
inline:
pgpool.conf: |
{{- range $k, $v := .Values.settings.pgpool.config }}
{{ $k }}={{ $v }}
{{- end }}
{{- end }}
podTemplate:
spec:
containers:
- name: pgpool
resources:
{{- toYaml .Values.settings.pgpool.resources | nindent 10 }}
{{- if eq (include "distro.openshift" $) "true" }}
securityContext:
runAsGroup: {{ .Values.securityContext.runAsUser }}
runAsUser: {{ .Values.securityContext.runAsUser }}
capabilities:
drop:
- ALL
runAsNonRoot: true
seccompProfile:
type: RuntimeDefault
securityContext:
fsGroup: {{ .Values.securityContext.runAsUser }}
runAsUser: {{ .Values.securityContext.runAsUser }}
runAsGroup: {{ .Values.securityContext.runAsUser }}
{{- end }}
{{- if .Values.global.monitoring }}
monitor:
agent: {{ .Values.global.monitoring.agent }}
prometheus:
serviceMonitor:
interval: 30s
labels:
{{- toYaml .Values.global.monitoring.serviceMonitor.labels | nindent 10 }}
{{- end }}
{{- end }}

---

apiVersion: catalog.kubedb.com/v1alpha1
kind: PgpoolVersion
metadata:
name: 4.6.0
spec:
exporter:
image: ghcr.io/appscode-images/pgpool2_exporter:v1.2.2
gitSyncer:
image: registry.k8s.io/git-sync/git-sync:v4.4.2
pgpool:
image: ghcr.io/appscode-images/pgpool2:4.6.0
securityContext:
runAsAnyNonRoot: true
runAsUser: 70
updateConstraints:
allowlist:
- '>= 4.6.0, <= 4.6.0'
version: 4.6.0
2 changes: 1 addition & 1 deletion charts/ace/templates/platform/setup-config.yaml
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Expand Up @@ -18,7 +18,7 @@ stringData:
reloadPlatformAccounts: true
{{- end }}
importerServiceAccount: {{ include "appscode.serviceAccountName" . }}-importer
syncPersesAccounts: true
syncPersesAccounts: {{ index .Values "perses" "enabled" | default false }}
{{- with .Values.setupJob.config }}
{{- . | toYaml | nindent 4 }}
{{- end }}
48 changes: 48 additions & 0 deletions charts/ace/values.openapiv3_schema.yaml
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Expand Up @@ -24690,6 +24690,54 @@ properties:
required:
- encryptionKey
type: object
pgpool:
properties:
config:
additionalProperties:
type: string
type: object
enabled:
type: boolean
replicas:
type: integer
resources:
properties:
claims:
items:
properties:
name:
type: string
request:
type: string
required:
- name
type: object
type: array
x-kubernetes-list-map-keys:
- name
x-kubernetes-list-type: map
limits:
additionalProperties:
anyOf:
- type: integer
- type: string
pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$
x-kubernetes-int-or-string: true
type: object
requests:
additionalProperties:
anyOf:
- type: integer
- type: string
pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$
x-kubernetes-int-or-string: true
type: object
type: object
required:
- enabled
- replicas
- resources
type: object
platform:
properties:
appName:
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13 changes: 13 additions & 0 deletions charts/ace/values.yaml
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Expand Up @@ -295,6 +295,19 @@ settings:
username: postgres
password: "xyz"
logSQL: false
pgpool:
enabled: true
replicas: 1
config:
num_init_children: "10"
max_pool: "40"
client_idle_limit: "180"
resources:
limits:
memory: 512Mi
requests:
memory: 256Mi
cpu: 250m
cache:
version: "7.2.4"
cacheInterval: 60
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