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{{/*
# Copyright © 2021 Bell Canada
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
*/}}
{{/*
Resolve the name of a chart's serviceMonitor.
The default will be the chart name (or $dot.Values.nameOverride if set).
And the use of .Values.metrics.serviceMonitor.name overrides all.
- .Values.metrics.serviceMonitor.name: override default serviceMonitor (ie. chart) name
Example values file addition:
metrics:
serviceMonitor:
enabled: true
port: blueprints-processor-http
## specify target port if name is not given to the port in the service definition
##
# targetPort: 8080
path: /metrics
basicAuth:
enabled: false
externalSecretName: mysecretname
externalSecretUserKey: login
externalSecretPasswordKey: password
## Namespace in which Prometheus is running
##
# namespace: monitoring
## Interval at which metrics should be scraped.
## ref: https://github.com/coreos/prometheus-operator/blob/master/Documentation/api.md#endpoint
##
# interval: 60s
## Timeout after which the scrape is ended
## ref: https://github.com/coreos/prometheus-operator/blob/master/Documentation/api.md#endpoint
##
# scrapeTimeout: 10s
## ServiceMonitor selector labels
## ref: https://github.com/bitnami/charts/tree/master/bitnami/prometheus-operator#prometheus-configuration
##
selector:
app: '{{ include "common.name" . }}'
chart: '{{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}'
release: '{{ include "common.release" . }}'
heritage: '{{ .Release.Service }}'
## RelabelConfigs to apply to samples before scraping
## ref: https://github.com/coreos/prometheus-operator/blob/master/Documentation/api.md#relabelconfig
## Value is evalued as a template
##
relabelings: []
## MetricRelabelConfigs to apply to samples before ingestion
## ref: https://github.com/coreos/prometheus-operator/blob/master/Documentation/api.md#relabelconfig
## Value is evalued as a template
##
metricRelabelings: []
# - sourceLabels:
# - "__name__"
# targetLabel: "__name__"
# action: replace
# regex: '(.*)'
# replacement: 'example_prefix_$1'
*/}}
{{/*
Expand the serviceMonitor name for a chart.
*/}}
{{- define "common.serviceMonitorName" -}}
{{- $name := default .Chart.Name .Values.nameOverride -}}
{{- default $name .Values.metrics.serviceMonitor.name | trunc 63 | trimSuffix "-" -}}
{{- end -}}
{{/* Define the metadata of serviceMonitor
The function takes from one to four arguments (inside a dictionary):
- .dot : environment (.)
- .suffix : a string which will be added at the end of the name (with a '-').
- .annotations: the annotations to add
- .labels : labels to add
Usage example:
{{ include "common.serviceMonitorMetadata" ( dict "suffix" "myService" "dot" .) }}
{{ include "common.serviceMonitorMetadata" ( dict "annotations" .Values.metrics.serviceMonitor.annotation "dot" .) }}
*/}}
{{- define "common.serviceMonitorMetadata" -}}
{{- $dot := default . .dot -}}
{{- $annotations := default "" .annotations -}}
{{- $labels := default (dict) .labels -}}
{{- if $annotations -}}
annotations:
{{ include "common.tplValue" (dict "value" $annotations "context" $dot) | indent 2 }}
{{- end }}
name: {{ include "common.serviceMonitorName" $dot }}
{{- if $dot.Values.metrics.serviceMonitor.namespace }}
namespace: {{ $dot.Values.metrics.serviceMonitor.namespace }}
{{- else }}
namespace: {{ include "common.namespace" $dot }}
{{- end }}
{{- if $dot.Values.metrics.serviceMonitor.labels }}
labels: {{- include "common.tplValue" ( dict "value" $dot.Values.metrics.serviceMonitor.labels "context" $dot) | nindent 2 }}
{{- else }}
labels: {{- include "common.labels" (dict "labels" $labels "dot" $dot) | nindent 2 }}
{{- end -}}
{{- end -}}
{{/*
Create service monitor template
*/}}
{{- define "common.serviceMonitor" -}}
{{- $dot := default . .dot -}}
{{- $labels := default (dict) .labels -}}
apiVersion: monitoring.coreos.com/v1
kind: ServiceMonitor
metadata:
{{- include "common.serviceMonitorMetadata" $dot | nindent 2 }}
spec:
endpoints:
- path: {{ default "/metrics" $dot.Values.metrics.serviceMonitor.path }}
{{- if $dot.Values.metrics.serviceMonitor.port }}
port: {{ $dot.Values.metrics.serviceMonitor.port }}
{{- else if $dot.Values.metrics.serviceMonitor.targetPort }}
targetPort: {{ $dot.Values.metrics.serviceMonitor.targetPort }}
{{- else }}
port: tcp-metrics
{{- end }}
{{- if $dot.Values.metrics.serviceMonitor.isHttps }}
scheme: https
{{- if $dot.Values.metrics.serviceMonitor.tlsConfig }}
tlsConfig: {{- include "common.tplValue" ( dict "value" $dot.Values.metrics.serviceMonitor.tlsConfig "context" $dot) | nindent 6 }}
{{- else }}
tlsConfig:
insecureSkipVerify: true
{{- end }}
{{- end }}
{{- if $dot.Values.metrics.serviceMonitor.basicAuth.enabled }}
basicAuth:
username:
key: {{ $dot.Values.metrics.serviceMonitor.basicAuth.externalSecretUserKey }}
{{- if $dot.Values.metrics.serviceMonitor.basicAuth.externalSecretNameSuffix }}
name: {{ include "common.release" . }}-{{ $dot.Values.metrics.serviceMonitor.basicAuth.externalSecretNameSuffix }}
{{- else }}
name: {{ $dot.Values.metrics.serviceMonitor.basicAuth.externalSecretName }}
{{- end }}
password:
key: {{ $dot.Values.metrics.serviceMonitor.basicAuth.externalSecretPasswordKey }}
{{- if $dot.Values.metrics.serviceMonitor.basicAuth.externalSecretNameSuffix }}
name: {{ include "common.release" . }}-{{ $dot.Values.metrics.serviceMonitor.basicAuth.externalSecretNameSuffix }}
{{- else }}
name: {{ $dot.Values.metrics.serviceMonitor.basicAuth.externalSecretName }}
{{- end }}
{{- end }}
{{- if $dot.Values.metrics.serviceMonitor.interval }}
interval: {{ $dot.Values.metrics.serviceMonitor.interval }}
{{- end }}
{{- if $dot.Values.metrics.serviceMonitor.scrapeTimeout }}
scrapeTimeout: {{ $dot.Values.metrics.serviceMonitor.scrapeTimeout }}
{{- end }}
{{- if $dot.Values.metrics.serviceMonitor.relabelings }}
relabelings: {{- include "common.tplValue" ( dict "value" $dot.Values.metrics.serviceMonitor.relabelings "context" $dot) | nindent 6 }}
{{- end }}
{{- if $dot.Values.metrics.serviceMonitor.metricRelabelings }}
metricRelabelings: {{- include "common.tplValue" ( dict "value" $dot.Values.metrics.serviceMonitor.metricRelabelings "context" $dot) | nindent 6 }}
{{- end }}
namespaceSelector:
matchNames:
- {{ include "common.namespace" $dot }}
selector:
{{- if $dot.Values.metrics.serviceMonitor.selector }}
matchLabels: {{- include "common.tplValue" ( dict "value" $dot.Values.metrics.serviceMonitor.selector "context" $dot) | nindent 6 }}
{{- else }}
matchLabels: {{- include "common.labels" (dict "labels" $labels "dot" $dot) | nindent 6 }}
{{- end }}
{{- end -}}
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