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Update monitoring installer in postgres-operator
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‎config/monitoring/README.md‎

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To deploy monitoring:
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> **_NOTE:_** For more detailed instructions on deploying, see the [documentation on installing Monitoring](https://access.crunchydata.com/documentation/postgres-operator/latest/tutorials/day-two/monitoring).
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1. verify the namespace is correct in kustomization.yaml
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2. If you are deploying in openshift, comment out the fsGroup line under securityContext in the following files:
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- `alertmanager/deployment.yaml`
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- `grafana/deployment.yaml`
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- `prometheus/deployment.yaml`
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3. kubectl apply -k .

‎config/monitoring/alertmanager/config/alertmanager.yml‎

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###
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#
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# Copyright © 2017-2025 Crunchy Data Solutions, Inc. All Rights Reserved.
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#
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###
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# Based on upstream example file found here: https://github.com/prometheus/alertmanager/blob/master/doc/examples/simple.yml
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global:
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smtp_smarthost: 'localhost: 25'
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smtp_require_tls: false
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smtp_from: 'Alertmanager <[email protected]>'
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# smtp_smarthost: 'smtp.example.com:587'
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# smtp_from: 'Alertmanager <[email protected]>'
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# smtp_auth_username: '<username>'
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# smtp_auth_password: '<password>'
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# templates:
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# - '/etc/alertmanager/template/*.tmpl'
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inhibit_rules:
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# Apply inhibition of warning if the alertname for the same system and service is already critical
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- source_match:
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severity: 'critical'
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target_match:
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severity: 'warning'
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equal: ['alertname', 'job', 'service']
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receivers:
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- name: 'default-receiver'
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email_configs:
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- to: '[email protected]'
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send_resolved: true
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## Examples of alternative alert receivers. See documentation for more info on how to configure these fully
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#- name: 'pagerduty-dba'
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# pagerduty_configs:
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# - service_key: <RANDOMKEYSTUFF>
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#- name: 'pagerduty-sre'
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# pagerduty_configs:
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# - service_key: <RANDOMKEYSTUFF>
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#- name: 'dba-team'
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# email_configs:
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# - to: '[email protected]'
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# send_resolved: true
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#- name: 'sre-team'
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# email_configs:
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# - to: '[email protected]'
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# send_resolved: true
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route:
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receiver: default-receiver
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group_by: [severity, service, job, alertname]
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group_wait: 30s
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group_interval: 5m
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repeat_interval: 24h
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## Example routes to show how to route outgoing alerts based on the content of that alert
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# routes:
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# - match_re:
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# service: ^(postgresql|mysql|oracle)$
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# receiver: dba-team
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# # sub route to send critical dba alerts to pagerduty
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# routes:
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# - match:
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# severity: critical
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# receiver: pagerduty-dba
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#
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# - match:
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# service: system
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# receiver: sre-team
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# # sub route to send critical sre alerts to pagerduty
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# routes:
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# - match:
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# severity: critical
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# receiver: pagerduty-sre

‎config/monitoring/alertmanager/deployment.yaml‎

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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: crunchy-alertmanager
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spec:
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selector: {}
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template:
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spec:
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containers:
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- name: alertmanager
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image: prom/alertmanager:v0.28.1
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args:
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- --config.file=/etc/alertmanager/alertmanager.yml
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- --storage.path=/alertmanager
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- --log.level=info
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- --cluster.advertise-address=0.0.0.0:9093
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livenessProbe:
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httpGet:
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path: /-/healthy
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port: 9093
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initialDelaySeconds: 25
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periodSeconds: 20
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ports:
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- containerPort: 9093
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readinessProbe:
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httpGet:
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path: /-/ready
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port: 9093
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volumeMounts:
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- mountPath: /etc/alertmanager
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name: alertmanagerconf
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- mountPath: /alertmanager
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name: alertmanagerdata
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securityContext:
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fsGroup: 26
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# supplementalGroups:
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# - 65534
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serviceAccountName: alertmanager
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volumes:
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- name: alertmanagerdata
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persistentVolumeClaim:
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claimName: alertmanagerdata
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- name: alertmanagerconf
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configMap:
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defaultMode: 420
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name: alertmanager-config

‎config/monitoring/alertmanager/kustomization.yaml‎

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apiVersion: kustomize.config.k8s.io/v1beta1
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kind: Kustomization
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labels:
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- includeSelectors: true
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pairs:
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app.kubernetes.io/component: crunchy-alertmanager
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resources:
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- deployment.yaml
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- pvc.yaml
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- service.yaml
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- serviceaccount.yaml
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configMapGenerator:
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- name: alertmanager-config
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files:
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- config/alertmanager.yml
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generatorOptions:
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disableNameSuffixHash: true

‎config/monitoring/alertmanager/pvc.yaml‎

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apiVersion: v1
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kind: PersistentVolumeClaim
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metadata:
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name: alertmanagerdata
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spec:
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accessModes:
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- ReadWriteOnce
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resources:
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requests:
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storage: 5Gi

‎config/monitoring/alertmanager/service.yaml‎

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apiVersion: v1
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kind: Service
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metadata:
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name: crunchy-alertmanager
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spec:
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type: ClusterIP
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ports:
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- name: alertmanager
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port: 9093

‎config/monitoring/alertmanager/serviceaccount.yaml‎

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apiVersion: v1
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kind: ServiceAccount
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metadata:
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name: alertmanager

‎config/monitoring/grafana/config/crunchy_grafana_datasource.yml‎

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###
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#
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# Copyright © 2017-2025 Crunchy Data Solutions, Inc. All Rights Reserved.
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#
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###
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# config file version
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apiVersion: 1
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datasources:
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- name: PROMETHEUS
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type: prometheus
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access: proxy
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url: http://$PROM_HOST:$PROM_PORT
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isDefault: True
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editable: False
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orgId: 1
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version: 1

‎config/monitoring/grafana/dashboards/crunchy_grafana_dashboards.yml‎

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###
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#
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# Copyright © 2017-2025 Crunchy Data Solutions, Inc. All Rights Reserved.
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#
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###
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apiVersion: 1
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providers:
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- name: 'crunchy_dashboards'
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orgId: 1
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folder: ''
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type: file
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disableDeletion: false
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updateIntervalSeconds: 3 #how often Grafana will scan for changed dashboards
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options:
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path: /etc/grafana/provisioning/dashboards

‎config/monitoring/grafana/dashboards/kustomization.yaml‎

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apiVersion: kustomize.config.k8s.io/v1beta1
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kind: Kustomization
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# We must break the files up into two ConfigMaps as the total size
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# is too large for one ConfigMap
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configMapGenerator:
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- name: grafana-dashboards-1
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files:
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- pgbackrest.json
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- pgbouncer_direct.json
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- pod_details.json
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- postgresql_details.json
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- postgresql_overview.json
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- postgresql_service_health.json
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- prometheus_alerts.json
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- name: grafana-dashboards-2
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files:
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- crunchy_grafana_dashboards.yml
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- query_statistics.json
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generatorOptions:
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disableNameSuffixHash: true

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