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[bitnami/postgresql] add optional startup probe to postgresql (#5445)

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* feat: add optional startup probe to postgresql

* chore: fix lint

* Update README.md

* Update values.yaml

Co-authored-by: Andrés Bono <andresbono@vmware.com>
This commit is contained in:
Michael Kriese
2021-02-11 13:58:13 +01:00
committed by GitHub
parent 3c1fa10b9b
commit bc9ad41dfc
4 changed files with 43 additions and 5 deletions
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2
bitnami/postgresql/Chart.yaml
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@@ -26,4 +26,4 @@ name: postgresql
sources:
- https://github.com/bitnami/bitnami-docker-postgresql
- https://www.postgresql.org/
version: 10.2.8
version: 10.3.0

11
bitnami/postgresql/README.md
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@@ -126,6 +126,7 @@ The following tables lists the configurable parameters of the PostgreSQL chart a
| `postgresqlTcpKeepalivesCount` | TCP keepalives count | `nil` |
| `postgresqlStatementTimeout` | Statement timeout | `nil` |
| `postgresqlPghbaRemoveFilters` | Comma-separated list of patterns to remove from the pg_hba.conf file | `nil` |
| `customStartupProbe` | Override default startup probe | `nil` |
| `customLivenessProbe` | Override default liveness probe | `nil` |
| `customReadinessProbe` | Override default readiness probe | `nil` |
| `audit.logHostname` | Add client hostnames to the log file | `false` |
@@ -215,16 +216,22 @@ The following tables lists the configurable parameters of the PostgreSQL chart a
| `containerSecurityContext.runAsUser` | User ID for the container | `1001` |
| `serviceAccount.enabled` | Enable service account (Note: Service Account will only be automatically created if `serviceAccount.name` is not set) | `false` |
| `serviceAccount.name` | Name of existing service account | `nil` |
| `livenessProbe.enabled` | Would you like a livenessProbe to be enabled | `true` |
| `networkPolicy.enabled` | Enable NetworkPolicy | `false` |
| `networkPolicy.allowExternal` | Don't require client label for connections | `true` |
| `networkPolicy.explicitNamespacesSelector` | A Kubernetes LabelSelector to explicitly select namespaces from which ingress traffic could be allowed | `{}` |
| `startupProbe.enabled` | Enable startupProbe | `false` |
| `startupProbe.initialDelaySeconds` | Delay before liveness probe is initiated | 30 |
| `startupProbe.periodSeconds` | How often to perform the probe | 15 |
| `startupProbe.timeoutSeconds` | When the probe times | 5 |
| `startupProbe.failureThreshold` | Minimum consecutive failures for the probe to be considered failed after having succeeded. | 10 |
| `startupProbe.successThreshold` | Minimum consecutive successes for the probe to be considered successful after having failed. | 1 |
| `livenessProbe.enabled` | Enable livenessProbe | `true` |
| `livenessProbe.initialDelaySeconds` | Delay before liveness probe is initiated | 30 |
| `livenessProbe.periodSeconds` | How often to perform the probe | 10 |
| `livenessProbe.timeoutSeconds` | When the probe times out | 5 |
| `livenessProbe.failureThreshold` | Minimum consecutive failures for the probe to be considered failed after having succeeded. | 6 |
| `livenessProbe.successThreshold` | Minimum consecutive successes for the probe to be considered successful after having failed | 1 |
| `readinessProbe.enabled` | would you like a readinessProbe to be enabled | `true` |
| `readinessProbe.enabled` | Enable readinessProbe | `true` |
| `readinessProbe.initialDelaySeconds` | Delay before readiness probe is initiated | 5 |
| `readinessProbe.periodSeconds` | How often to perform the probe | 10 |
| `readinessProbe.timeoutSeconds` | When the probe times out | 5 |

19
bitnami/postgresql/templates/statefulset.yaml
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@@ -356,6 +356,25 @@ spec:
ports:
- name: tcp-postgresql
containerPort: {{ template "postgresql.port" . }}
{{- if .Values.startupProbe.enabled }}
startupProbe:
exec:
command:
- /bin/sh
- -c
{{- if (include "postgresql.database" .) }}
- exec pg_isready -U {{ include "postgresql.username" . | quote }} -d "dbname={{ include "postgresql.database" . }} {{- if and .Values.tls.enabled .Values.tls.certCAFilename }} sslcert={{ include "postgresql.tlsCert" . }} sslkey={{ include "postgresql.tlsCertKey" . }}{{- end }}" -h 127.0.0.1 -p {{ template "postgresql.port" . }}
{{- else }}
- exec pg_isready -U {{ include "postgresql.username" . | quote }} {{- if and .Values.tls.enabled .Values.tls.certCAFilename }} -d "sslcert={{ include "postgresql.tlsCert" . }} sslkey={{ include "postgresql.tlsCertKey" . }}"{{- end }} -h 127.0.0.1 -p {{ template "postgresql.port" . }}
{{- end }}
initialDelaySeconds: {{ .Values.startupProbe.initialDelaySeconds }}
periodSeconds: {{ .Values.startupProbe.periodSeconds }}
timeoutSeconds: {{ .Values.startupProbe.timeoutSeconds }}
successThreshold: {{ .Values.startupProbe.successThreshold }}
failureThreshold: {{ .Values.startupProbe.failureThreshold }}
{{- else if .Values.customStartupProbe }}
startupProbe: {{- include "common.tplvalues.render" (dict "value" .Values.customStartupProbe "context" $) | nindent 12 }}
{{- end }}
{{- if .Values.livenessProbe.enabled }}
livenessProbe:
exec:

16
bitnami/postgresql/values.yaml
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@@ -658,9 +658,17 @@ networkPolicy:
##
explicitNamespacesSelector: {}
## Configure extra options for liveness and readiness probes
## ref: https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-probes/#configure-probes)
## Configure extra options for startup, liveness and readiness probes
## ref: https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-startup-probes/#configure-probes
##
startupProbe:
enabled: false
initialDelaySeconds: 30
periodSeconds: 15
timeoutSeconds: 5
failureThreshold: 10
successThreshold: 1
livenessProbe:
enabled: true
initialDelaySeconds: 30
@@ -677,6 +685,10 @@ readinessProbe:
failureThreshold: 6
successThreshold: 1
## Custom Startup probe
##
customStartupProbe: {}
## Custom Liveness probe
##
customLivenessProbe: {}