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pheliperochaCopilot
pheliperocha
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Context Flow (#36)
* Add context-flow-db Helm chart with PostgreSQL configuration and templates * Update kube/context-flow-db/templates/manual-backup.yaml Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> Signed-off-by: Phelipe Rocha <phelipeafonso@gmail.com> * Update kube/context-flow-db/templates/manual-backup.yaml Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> Signed-off-by: Phelipe Rocha <phelipeafonso@gmail.com> * Update kube/context-flow-db/Chart.yaml Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> Signed-off-by: Phelipe Rocha <phelipeafonso@gmail.com> * Add context-flow Helm chart with deployment, service, and ingress configurations * Update kube/context-flow-db/templates/networkpolicy.yaml Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> Signed-off-by: Phelipe Rocha <phelipeafonso@gmail.com> * Update container images in deployment and job templates to use values from values.yaml * Update kube/context-flow/Chart.yaml Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> Signed-off-by: Phelipe Rocha <phelipeafonso@gmail.com> * Update kube/context-flow/templates/ingress.yaml Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> Signed-off-by: Phelipe Rocha <phelipeafonso@gmail.com> --------- Signed-off-by: Phelipe Rocha <phelipeafonso@gmail.com> Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
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‎helmfile.yaml.gotmpl‎

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@@ -101,3 +101,19 @@ releases:
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- ./kube/values.yaml
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secrets:
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- ./kube/secrets.yaml
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- name: context-flow
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namespace: context-flow
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chart: ./kube/context-flow
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version: 1.0.0
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values:
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- ./kube/values.yaml
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- name: context-flow-db
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namespace: context-flow
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chart: ./kube/context-flow-db
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version: 1.0.0
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values:
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- ./kube/values.yaml
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secrets:
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- ./kube/secrets.yaml

‎kube/context-flow-db/Chart.yaml‎

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apiVersion: v2
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name: context-flow-db
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description: Context Flow Database (CloudNative-PG)
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type: application
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version: 1.0.0
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appVersion: "18.1"
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kubeVersion: "^1.20.0"
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sources:
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- https://github.com/pheliperocha/home-server
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maintainers:
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- name: Phelipe Rocha
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url: https://pheliperocha.com

‎kube/context-flow-db/templates/_helpers.tpl‎

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{{/*
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Expand the name of the chart.
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*/}}
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{{- define "context-flow-db.name" -}}
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{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }}
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{{- end }}
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{{/*
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Create a default fully qualified app name.
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*/}}
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{{- define "context-flow-db.fullname" -}}
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{{- if .Values.fullnameOverride }}
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{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }}
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{{- else }}
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{{- $name := default .Chart.Name .Values.nameOverride }}
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{{- if contains $name .Release.Name }}
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{{- .Release.Name | trunc 63 | trimSuffix "-" }}
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{{- else }}
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{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" }}
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{{- end }}
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{{- end }}
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{{- end }}
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{{/*
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Create chart name and version as used by the chart label.
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*/}}
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{{- define "context-flow-db.chart" -}}
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{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
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{{- end }}
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{{/*
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Common labels
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*/}}
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{{- define "context-flow-db.labels" -}}
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helm.sh/chart: {{ include "context-flow-db.chart" . }}
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{{ include "context-flow-db.selectorLabels" . }}
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{{- if .Chart.AppVersion }}
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app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
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{{- end }}
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app.kubernetes.io/managed-by: {{ .Release.Service }}
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{{- end }}
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{{/*
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Selector labels
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*/}}
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{{- define "context-flow-db.selectorLabels" -}}
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app.kubernetes.io/name: {{ include "context-flow-db.name" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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{{- end }}
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{{/*
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Cluster name
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*/}}
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{{- define "context-flow-db.clusterName" -}}
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{{- printf "context-flow-db" }}
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{{- end }}

‎kube/context-flow-db/templates/cluster.yaml‎

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{{- if .Values.context_flow_db.enabled }}
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apiVersion: postgresql.cnpg.io/v1
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kind: Cluster
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metadata:
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name: {{ include "context-flow-db.clusterName" . }}
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namespace: context-flow
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labels:
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{{- include "context-flow-db.labels" . | nindent 4 }}
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spec:
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instances: {{ .Values.context_flow_db.cluster.instances }}
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imageName: ghcr.io/cloudnative-pg/postgresql:18.1
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bootstrap:
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initdb:
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database: {{ .Values.context_flow_db.database.name }}
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owner: app
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encoding: UTF8
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localeCType: en_US.UTF-8
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localeCollate: en_US.UTF-8
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storage:
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size: {{ .Values.context_flow_db.cluster.storage.size }}
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{{- if .Values.context_flow_db.cluster.storage.storageClass }}
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storageClass: {{ .Values.context_flow_db.cluster.storage.storageClass }}
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{{- end }}
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resources:
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requests:
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memory: {{ .Values.context_flow_db.cluster.resources.requests.memory | quote }}
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cpu: {{ .Values.context_flow_db.cluster.resources.requests.cpu | quote }}
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limits:
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memory: {{ .Values.context_flow_db.cluster.resources.limits.memory | quote }}
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cpu: {{ .Values.context_flow_db.cluster.resources.limits.cpu | quote }}
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postgresql:
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parameters:
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{{- range $key, $value := .Values.context_flow_db.cluster.postgresql.parameters }}
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{{ $key }}: {{ $value | quote }}
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{{- end }}
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monitoring:
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enablePodMonitor: true
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{{- if .Values.context_flow_db.backup.enabled }}
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backup:
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barmanObjectStore:
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destinationPath: "s3://{{ .Values.context_flow_db.backup.s3.bucket }}{{ .Values.context_flow_db.backup.s3.path }}"
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endpointURL: {{ .Values.context_flow_db.backup.s3.endpointURL }}
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s3Credentials:
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accessKeyId:
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name: {{ .Values.context_flow_db.backup.s3.credentialsSecretName }}
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key: AWS_ACCESS_KEY_ID
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secretAccessKey:
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name: {{ .Values.context_flow_db.backup.s3.credentialsSecretName }}
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key: AWS_SECRET_ACCESS_KEY
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wal:
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compression: gzip
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encryption: AES256
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data:
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compression: gzip
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encryption: AES256
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retentionPolicy: {{ .Values.context_flow_db.backup.retentionPolicy | quote }}
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{{- end }}
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{{- end }}

‎kube/context-flow-db/templates/manual-backup.yaml‎

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{{- if and .Values.context_flow_db.enabled .Values.context_flow_db.backup.enabled .Values.context_flow_db.backup.manualBackup.enabled }}
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apiVersion: postgresql.cnpg.io/v1
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kind: Backup
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metadata:
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name: cnpg-manual-backup{{- if .Values.context_flow_db.backup.manualBackup.suffix }}-{{ .Values.context_flow_db.backup.manualBackup.suffix }}{{- end }}
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namespace: context-flow
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spec:
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cluster:
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name: {{ include "context-flow-db.clusterName" . }}
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{{- end }}

‎kube/context-flow-db/templates/networkpolicy.yaml‎

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{{- if and .Values.context_flow_db.enabled .Values.context_flow_db.networkPolicy.enabled }}
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apiVersion: networking.k8s.io/v1
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kind: NetworkPolicy
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metadata:
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name: {{ include "context-flow-db.clusterName" . }}-netpol
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namespace: context-flow
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labels:
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{{- include "context-flow-db.labels" . | nindent 4 }}
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spec:
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podSelector:
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matchLabels:
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cnpg.io/cluster: {{ include "context-flow-db.clusterName" . }}
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policyTypes:
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- Ingress
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ingress:
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{{- if .Values.context_flow_db.networkPolicy.allowSameNamespace }}
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# Allow connections from pods in the same namespace
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- from:
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- podSelector: {}
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ports:
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- protocol: TCP
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port: 5432
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{{- end }}
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# Allow connections from CloudNative-PG operator
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- from:
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- namespaceSelector:
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matchLabels:
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kubernetes.io/metadata.name: cloudnative-pg-system
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ports:
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- protocol: TCP
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port: 5432
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- protocol: TCP
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port: 8000
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{{- end }}

‎kube/context-flow-db/templates/scheduledbackup.yaml‎

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{{- if and .Values.context_flow_db.enabled .Values.context_flow_db.backup.enabled }}
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apiVersion: postgresql.cnpg.io/v1
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kind: ScheduledBackup
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metadata:
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name: {{ include "context-flow-db.clusterName" . }}-backup
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namespace: context-flow
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labels:
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{{- include "context-flow-db.labels" . | nindent 4 }}
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spec:
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schedule: {{ .Values.context_flow_db.backup.schedule | quote }}
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backupOwnerReference: self
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cluster:
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name: {{ include "context-flow-db.clusterName" . }}
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method: barmanObjectStore
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immediate: false
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{{- end }}

‎kube/context-flow-db/templates/service.yaml‎

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{{- if .Values.context_flow_db.enabled }}
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apiVersion: v1
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kind: Service
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metadata:
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name: {{ .Values.context_flow_db.service.name }}
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namespace: context-flow
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labels:
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{{- include "context-flow-db.labels" . | nindent 4 }}
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spec:
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type: {{ .Values.context_flow_db.service.type }}
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ports:
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- name: postgres
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port: {{ .Values.context_flow_db.service.port }}
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targetPort: 5432
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protocol: TCP
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selector:
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cnpg.io/cluster: {{ include "context-flow-db.clusterName" . }}
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role: primary
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{{- end }}

‎kube/context-flow-db/values.yaml‎

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context_flow_db:
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enabled: true
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database:
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name: context_flow
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cluster:
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instances: 1
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resources:
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requests:
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memory: "1Gi"
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cpu: "500m"
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limits:
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memory: "2Gi"
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cpu: "1000m"
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storage:
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size: 10Gi
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storageClass: "" # Use cluster default
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postgresql:
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parameters:
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max_connections: "100"
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shared_buffers: "256MB"
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effective_cache_size: "1GB"
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maintenance_work_mem: "64MB"
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checkpoint_completion_target: "0.9"
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wal_buffers: "16MB"
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default_statistics_target: "100"
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random_page_cost: "1.1"
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effective_io_concurrency: "200"
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work_mem: "2621kB"
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min_wal_size: "1GB"
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max_wal_size: "4GB"
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backup:
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enabled: false
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schedule: "0 2 * * *" # Daily at 2 AM
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retentionPolicy: "30d"
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s3:
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endpointURL: "https://s3.sa-east-1.amazonaws.com"
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bucket: "context-flow-backups"
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path: "/cnpg-production"
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credentialsSecretName: "aws-secrets"
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manualBackup:
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enabled: false
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suffix: ""
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service:
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name: "pg-context-flow-db"
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type: ClusterIP
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port: 5432
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networkPolicy:
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enabled: true
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# Only allow connections from pods in the same namespace
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allowSameNamespace: true

‎kube/context-flow/Chart.yaml‎

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apiVersion: v2
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name: context-flow
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description: Helm chart for context-flow
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type: application
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version: 1.0.0
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appVersion: "1.0.0"
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kubeVersion: "^1.20.0"
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maintainers:
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- name: Phelipe Rocha
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url: https://pheliperocha.com

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