Merge pull request #269 from jackzampolin/telegraf

stable/telegraf/.helmignore

+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj

stable/telegraf/Chart.yaml

+name: telegraf
+version: 0.1.0
+description: Chart for Telegraf Kubernetes deployments
+keywords:
+- telegraf
+- collector
+- timeseries
+- influxdata
+home: https://www.influxdata.com/time-series-platform/telegraf/
+maintainers:
+- name: Jack Zampolin
+  email: jack@influxdb.com
+engine: gotpl
\ No newline at end of file

stable/telegraf/templates/NOTES.txt

+To open a shell session in the container running Telegraf run the following:
+
+- kubectl exec -i -t --namespace {{ .Release.Namespace }} $(kubectl get pods --namespace {{ .Release.Namespace }} -l app={{ template "fullname" . }} -o jsonpath='{.items[0].metadata.name}') /bin/sh
+
+To tail the logs for a Telegraf pod in the Daemonset run the following:
+
+- kubectl logs -f --namespace {{ .Release.Namespace }} $(kubectl get pods --namespace {{ .Release.Namespace }} -l app={{ template "fullname" . }}-ds -o jsonpath='{ .items[0].metadata.name }')
+
+{{- if eq .Values.single.service.type "LoadBalancer" }}
+
+To watch for the LoadBalancer IP run the following
+
+- kubectl get svc -w --namespace {{ .Release.Namespace }} -l app={{ template "fullname" . }}
+{{- end }}
+
+{{- if empty .Values.single.config.outputs.influxdb.urls }}
+{{- if empty .Values.daemonset.config.outputs.influxdb.urls }}
+
+Need to set an InfluxDB url for either single or daemonset to deploy this instance:
+
+.Values.daemonset.config.outputs.influxdb.urls
+.Values.single.config.outputs.influxdb.urls
+
+{{- end }}
+{{- end }}
\ No newline at end of file

stable/telegraf/templates/_helpers.tpl

+{{/* vim: set filetype=mustache: */}}
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 24 -}}
+{{- end -}}
+
+{{/*
+Create a default fully qualified app name.
+We truncate at 24 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
+*/}}
+{{- define "fullname" -}}
+{{- $name := default .Chart.Name .Values.nameOverride -}}
+{{- printf "%s-%s" .Release.Name $name | trunc 24 -}}
+{{- end -}}
+
+{{/*
+  CUSTOM TEMPLATES: This section contains templates that make up the different parts of the telegraf configuration file.
+  - global_tags section
+  - agent section
+*/}}
+
+{{- define "global_tags" -}}
+{{- if . -}}
+[global_tags]
+  {{- range $key, $val := . }}
+      {{ $key }} = {{ $val | quote }}
+  {{- end }}
+{{- end }}
+{{- end -}}
+
+{{- define "agent" -}}
+[agent]
+{{- range $key, $value := . -}}
+  {{- $tp := typeOf $value }}
+  {{- if eq $tp "string"}}
+      {{ $key }} = {{ $value | quote }}
+  {{- end }}
+  {{- if eq $tp "float64"}}
+      {{ $key }} = {{ $value | int64 }}
+  {{- end }}
+  {{- if eq $tp "int"}}
+      {{ $key }} = {{ $value | int64 }}
+  {{- end }}
+  {{- if eq $tp "bool"}}
+      {{ $key }} = {{ $value }}
+  {{- end }}
+{{- end }}
+{{- end -}}
+
+{{- define "outputs" -}}
+{{- range $output, $config := . }}
+    [[outputs.{{ $output }}]]
+  {{- if $config }}
+    {{- range $key, $value := $config -}}
+      {{- $tp := typeOf $value }}
+      {{- if eq $tp "string"}}
+      {{ $key }} = {{ $value | quote }}
+      {{- end }}
+      {{- if eq $tp "float64"}}
+      {{ $key }} = {{ $value | int64 }}
+      {{- end }}
+      {{- if eq $tp "int"}}
+      {{ $key }} = {{ $value | int64 }}
+      {{- end }}
+      {{- if eq $tp "bool"}}
+      {{ $key }} = {{ $value }}
+      {{- end }}
+      {{- if eq $tp "[]interface {}" }}
+      {{ $key }} = [
+          {{- $numOut := len $value }}
+          {{- $numOut := sub $numOut 1 }}
+          {{- range $b, $val := $value }}
+            {{- $i := int64 $b }}
+            {{- if eq $i $numOut }}
+        {{ $val | quote }}
+            {{- else }}
+        {{ $val | quote }},
+            {{- end }}
+          {{- end }}
+      ]
+      {{- end }}
+    {{- end }}
+  {{- end }}
+{{- end }}
+{{- end -}}
+
+{{- define "inputs" -}}
+{{- range $input, $config := . -}}
+    [[inputs.{{- $input }}]]
+      {{- if $config -}}
+        {{- range $key, $value := $config -}}
+          {{- $tp := typeOf $value -}}
+          {{- if eq $tp "string" }}
+      {{ $key }} = {{ $value | quote }}
+          {{- end }}
+          {{- if eq $tp "float64" }}
+      {{ $key }} = {{ $value | int64 }}
+          {{- end }}
+          {{- if eq $tp "int" }}
+      {{ $key }} = {{ $value | int64 }}
+          {{- end }}
+          {{- if eq $tp "bool" }}
+      {{ $key }} = {{ $value }}
+          {{- end }}
+          {{- if eq $tp "[]interface {}" }}
+      {{ $key }} = [
+              {{- $numOut := len $value }}
+              {{- $numOut := sub $numOut 1 }}
+              {{- range $b, $val := $value }}
+                {{- $i := int64 $b }}
+                {{- $tp := typeOf $val }}
+                {{- if eq $i $numOut }}
+                  {{- if eq $tp "string" }}
+        {{ $val | quote }}
+                  {{- end }}
+                  {{- if eq $tp "float64" }}
+        {{ $val | int64 }}
+                  {{- end }}
+                {{- else }}
+                  {{- if eq $tp "string" }}
+        {{ $val | quote }},
+                  {{- end}}
+                  {{- if eq $tp "float64" }}
+        {{ $val | int64 }},
+                  {{- end }}
+                {{- end }}
+              {{- end }}
+      ]
+          {{- end }}
+          {{- if eq $tp "map[string]interface {}" }}
+      [[inputs.{{ $input }}.{{ $key }}]]
+            {{- range $k, $v := $value }}
+              {{- $tps := typeOf $v }}
+              {{- if eq $tps "string" }}
+        {{ $k }} = {{ $v }}
+              {{- end }}
+              {{- if eq $tps "[]interface {}"}}
+        {{ $k }} = [
+                {{- $numOut := len $value }}
+                {{- $numOut := sub $numOut 1 }}
+                {{- range $b, $val := $v }}
+                  {{- $i := int64 $b }}
+                  {{- if eq $i $numOut }}
+            {{ $val | quote }}
+                  {{- else }}
+            {{ $val | quote }},
+                  {{- end }}
+                {{- end }}
+        ]
+              {{- end }}
+              {{- if eq $tps "map[string]interface {}"}}
+        [[inputs.{{ $input }}.{{ $key }}.{{ $k }}]]
+                {{- range $foo, $bar := $v }}
+            {{ $foo }} = {{ $bar | quote }}
+                {{- end }}
+              {{- end }}
+            {{- end }}
+          {{- end }}
+        {{- end }}
+      {{- end }}
+    {{ end }}
+{{- end -}}
\ No newline at end of file

stable/telegraf/templates/configmap-s.yaml

+{{- if gt (len .Values.single.config.outputs.influxdb.urls) 0 }}
+{{- if .Values.single.enabled -}}
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ template "fullname" . }}-s
+  labels:
+    app: {{ template "fullname" . }}
+    chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
+    release: "{{ .Release.Name }}"
+    heritage: "{{ .Release.Service }}"
+data:
+  telegraf.conf: |+
+    {{ template "global_tags" .Values.single.config.global_tags }}
+    {{ template "agent" .Values.single.config.agent }}
+    {{ template "outputs" .Values.single.config.outputs }}
+    {{ template "inputs" .Values.single.config.inputs -}}
+{{- end -}}
+{{- end -}}
\ No newline at end of file

stable/telegraf/templates/conifgmap-ds.yaml

+{{- if gt (len .Values.daemonset.config.outputs.influxdb.urls) 0 }}
+{{- if .Values.daemonset.enabled -}}
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ template "fullname" . }}-ds
+  labels:
+    app: {{ template "fullname" . }}-ds
+    chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
+    release: "{{ .Release.Name }}"
+    heritage: "{{ .Release.Service }}"
+data:
+  telegraf.conf: |+
+    {{ template "global_tags" .Values.daemonset.config.global_tags }}
+    {{ template "agent" .Values.daemonset.config.agent }}
+    {{ template "outputs" .Values.daemonset.config.outputs }}
+    {{ template "inputs" .Values.daemonset.config.inputs -}}
+{{- end -}}
+{{- end -}}
\ No newline at end of file

stable/telegraf/templates/daemonset.yaml

+{{- if gt (len .Values.daemonset.config.outputs.influxdb.urls) 0 }}
+{{- if .Values.daemonset.enabled -}}
+apiVersion: extensions/v1beta1
+kind: DaemonSet
+metadata:
+  name: {{ template "fullname" . }}-ds
+  labels:
+    app: {{ template "fullname" . }}-ds
+    chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
+    release: "{{ .Release.Name }}"
+spec:
+  template:
+    metadata:
+      labels:
+        app: {{ template "fullname" . }}-ds
+    spec:
+      containers:
+      - name: {{ template "fullname" . }}
+        image: "{{ .Values.image.repo }}:{{ .Values.image.tag }}"
+        imagePullPolicy: {{ default "" .Values.image.pullPolicy | quote }}
+        resources:
+{{ toYaml .Values.daemonset.resources | indent 10 }}
+        env:
+        - name: HOSTNAME
+          valueFrom:
+            fieldRef:
+              fieldPath: spec.nodeName
+        - name: "HOST_PROC"
+          value: "/rootfs/proc"
+        - name: "HOST_SYS"
+          value: "/rootfs/sys"
+        volumeMounts:
+        - name: sysro
+          mountPath: /rootfs/sys
+          readOnly: true
+        - name: procro
+          mountPath: /rootfs/proc
+          readOnly: true
+        - name: docker-socket
+          mountPath: /var/run/docker.sock
+          # readOnly: true
+        - name: varrunutmpro
+          mountPath: /var/run/utmp
+          readOnly: true
+        - name: config
+          mountPath: /etc/telegraf
+      volumes:
+      - name: sysro
+        hostPath:
+          path: /sys
+      - name: docker-socket
+        hostPath:
+          path: /var/run/docker.sock
+      - name: procro
+        hostPath:
+          path: /proc
+      - name: varrunutmpro
+        hostPath:
+          path: /var/run/utmp
+      - name: config
+        configMap:
+          name: {{ template "fullname" . }}-ds
+{{- end -}}
+{{- end -}}
\ No newline at end of file

stable/telegraf/templates/deployment.yaml

+{{- if gt (len .Values.single.config.outputs.influxdb.urls) 0 }}
+{{- if .Values.single.enabled -}}
+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  name: {{ template "fullname" . }}-s
+  labels:
+    app: {{ template "fullname" . }}-s
+    chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
+    release: "{{ .Release.Name }}"
+spec:
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        app: {{ template "fullname" . }}-s
+    spec:
+      containers:
+      - name: {{ template "fullname" . }}
+        image: "{{ .Values.image.repo }}:{{ .Values.image.tag }}"
+        imagePullPolicy: {{ default "" .Values.image.pullPolicy | quote }}
+        resources:
+{{ toYaml .Values.single.resources | indent 10 }}
+        volumeMounts:
+        - name: config
+          mountPath: /etc/telegraf
+      volumes:
+      - name: config
+        configMap:
+          name: {{ template "fullname" . }}-s
+{{- end -}}
+{{- end -}}
\ No newline at end of file

stable/telegraf/templates/service.yaml

+{{- if .Values.single.enabled -}}
+{{- if .Values.single.service.enabled -}}
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ template "fullname" . }}-s
+  labels:
+    chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
+spec:
+  type: {{ .Values.single.service.type }}
+  ports:
+  {{- range $key, $value := .Values.single.config.inputs }}
+    {{- if eq $key "http_listener" }}
+  - port: {{ trimPrefix ":" $value.service_address | int64 }}
+    targetPort: {{ trimPrefix ":" $value.service_address | int64 }}
+    name: "http-listener"
+    {{- end }}
+    {{- if eq $key "statsd" }}
+  - port: {{ trimPrefix ":" $value.service_address | int64 }}
+    targetPort: {{ trimPrefix ":" $value.service_address | int64 }}
+    name: "statsd"
+    {{- end }}
+    {{- if eq $key "tcp-listener" }}
+  - port: {{ trimPrefix ":" $value.service_address | int64 }}
+    targetPort: {{ trimPrefix ":" $value.service_address | int64 }}
+    name: "tcp_listener"
+    {{- end }}
+    {{- if eq $key "udp-listener" }}
+  - port: {{ trimPrefix ":" $value.service_address | int64 }}
+    targetPort: {{ trimPrefix ":" $value.service_address | int64 }}
+    name: "udp_listener"
+    {{- end }}
+    {{- if eq $key "webhooks" }}
+  - port: {{ trimPrefix ":" $value.service_address | int64 }}
+    targetPort: {{ trimPrefix ":" $value.service_address | int64 }}
+    name: "webhooks"
+    {{- end }}
+  {{- end }}
+  selector:
+    app: {{ template "fullname" . }}-s
+{{- end -}}
+{{- end -}}
\ No newline at end of file