Add --include-databases arguments to Postgres exporter values (#1099)

Signed-off-by: Paul de Nonancourt <pdenonancourt@octo.com>

Co-authored-by: Paul de Nonancourt <pdenonancourt@octo.com>

charts/prometheus-postgres-exporter/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 appVersion: "0.9.0"
 description: A Helm chart for prometheus postgres-exporter
 name: prometheus-postgres-exporter
-version: 2.3.4
+version: 2.3.5
 home: https://github.com/prometheus-community/postgres_exporter
 sources:
 - https://github.com/prometheus-community/postgres_exporter

charts/prometheus-postgres-exporter/templates/deployment.yaml

@@ -57,6 +57,10 @@ spec:
           - "--exclude-databases"
           - {{ .Values.config.excludeDatabases | join "," }}
           {{- end }}
+          {{- if .Values.config.includeDatabases }}
+          - "--include-databases"
+          - {{ .Values.config.includeDatabases | join "," }}
+          {{- end }}
           {{- end }}
           {{- if .Values.config.constantLabels }}
           {{ $firstLabel := true -}}

charts/prometheus-postgres-exporter/values.yaml

@@ -115,6 +115,7 @@ config:
   disableSettingsMetrics: false
   autoDiscoverDatabases: false
   excludeDatabases: []
+  includeDatabases: []
   constantLabels: {}
   # possible values debug, info, warn, error, fatal
   logLevel: ""