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23
helm/.helmignore
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23
helm/.helmignore
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# Patterns to ignore when building packages.
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# This supports shell glob matching, relative path matching, and
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# negation (prefixed with !). Only one pattern per line.
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.DS_Store
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# Common VCS dirs
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.git/
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.gitignore
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.bzr/
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.bzrignore
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.hg/
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.hgignore
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.svn/
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# Common backup files
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*.swp
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*.bak
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*.tmp
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*.orig
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*~
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# Various IDEs
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.project
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.idea/
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*.tmproj
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.vscode/
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24
helm/Chart.yaml
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24
helm/Chart.yaml
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apiVersion: v2
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name: usb-watch
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description: A daemonset to watch for USB-dongles to be added or removed and adds/removes annotations
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# A chart can be either an 'application' or a 'library' chart.
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#
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# Application charts are a collection of templates that can be packaged into versioned archives
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# to be deployed.
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#
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# Library charts provide useful utilities or functions for the chart developer. They're included as
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# a dependency of application charts to inject those utilities and functions into the rendering
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# pipeline. Library charts do not define any templates and therefore cannot be deployed.
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type: application
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# This is the chart version. This version number should be incremented each time you make changes
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# to the chart and its templates, including the app version.
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# Versions are expected to follow Semantic Versioning (https://semver.org/)
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version: 0.1.0
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# This is the version number of the application being deployed. This version number should be
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# incremented each time you make changes to the application. Versions are not expected to
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# follow Semantic Versioning. They should reflect the version the application is using.
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# It is recommended to use it with quotes.
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appVersion: "0.1.0"
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22
helm/templates/NOTES.txt
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22
helm/templates/NOTES.txt
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1. Get the application URL by running these commands:
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{{- if .Values.ingress.enabled }}
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{{- range $host := .Values.ingress.hosts }}
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{{- range .paths }}
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http{{ if $.Values.ingress.tls }}s{{ end }}://{{ $host.host }}{{ .path }}
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{{- end }}
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{{- end }}
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{{- else if contains "NodePort" .Values.service.type }}
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export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ include "usb-watch.fullname" . }})
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export NODE_IP=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath="{.items[0].status.addresses[0].address}")
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echo http://$NODE_IP:$NODE_PORT
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{{- else if contains "LoadBalancer" .Values.service.type }}
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NOTE: It may take a few minutes for the LoadBalancer IP to be available.
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You can watch its status by running 'kubectl get --namespace {{ .Release.Namespace }} svc -w {{ include "usb-watch.fullname" . }}'
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export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ include "usb-watch.fullname" . }} --template "{{"{{ range (index .status.loadBalancer.ingress 0) }}{{.}}{{ end }}"}}")
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echo http://$SERVICE_IP:{{ .Values.service.port }}
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{{- else if contains "ClusterIP" .Values.service.type }}
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export POD_NAME=$(kubectl get pods --namespace {{ .Release.Namespace }} -l "app.kubernetes.io/name={{ include "usb-watch.name" . }},app.kubernetes.io/instance={{ .Release.Name }}" -o jsonpath="{.items[0].metadata.name}")
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export CONTAINER_PORT=$(kubectl get pod --namespace {{ .Release.Namespace }} $POD_NAME -o jsonpath="{.spec.containers[0].ports[0].containerPort}")
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echo "Visit http://127.0.0.1:8080 to use your application"
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kubectl --namespace {{ .Release.Namespace }} port-forward $POD_NAME 8080:$CONTAINER_PORT
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{{- end }}
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62
helm/templates/_helpers.tpl
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62
helm/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 "usb-watch.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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We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
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If release name contains chart name it will be used as a full name.
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*/}}
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{{- define "usb-watch.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 "usb-watch.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 "usb-watch.labels" -}}
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helm.sh/chart: {{ include "usb-watch.chart" . }}
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{{ include "usb-watch.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 "usb-watch.selectorLabels" -}}
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app.kubernetes.io/name: {{ include "usb-watch.name" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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{{- end }}
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{{/*
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Create the name of the service account to use
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*/}}
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{{- define "usb-watch.serviceAccountName" -}}
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{{- if .Values.serviceAccount.create }}
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{{- default (include "usb-watch.fullname" .) .Values.serviceAccount.name }}
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{{- else }}
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{{- default "default" .Values.serviceAccount.name }}
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{{- end }}
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{{- end }}
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49
helm/templates/daemonset.yaml
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49
helm/templates/daemonset.yaml
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apiVersion: apps/v1
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kind: DaemonSet
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metadata:
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name: {{ include "usb-watch.fullname" . }}
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labels:
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{{- include "usb-watch.labels" . | nindent 4 }}
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spec:
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{{- if not .Values.autoscaling.enabled }}
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replicas: {{ .Values.replicaCount }}
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{{- end }}
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selector:
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matchLabels:
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{{- include "usb-watch.selectorLabels" . | nindent 6 }}
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template:
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metadata:
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{{- with .Values.podAnnotations }}
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annotations:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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labels:
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{{- include "usb-watch.labels" . | nindent 8 }}
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{{- with .Values.podLabels }}
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{{- toYaml . | nindent 8 }}
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{{- end }}
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spec:
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{{- with .Values.imagePullSecrets }}
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imagePullSecrets:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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serviceAccountName: {{ include "usb-watch.serviceAccountName" . }}
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containers:
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- name: {{ .Chart.Name }}
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securityContext:
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privileged: true
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image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
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imagePullPolicy: {{ .Values.image.pullPolicy }}
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livenessProbe:
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{{- toYaml .Values.livenessProbe | nindent 12 }}
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readinessProbe:
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{{- toYaml .Values.readinessProbe | nindent 12 }}
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resources:
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{{- toYaml .Values.resources | nindent 12 }}
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volumeMounts:
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- mountPath: /dev/bus/usb
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name: usb
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volumes:
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- name: usb
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hostPath:
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path: /dev/bus/usb
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13
helm/templates/serviceaccount.yaml
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13
helm/templates/serviceaccount.yaml
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{{- if .Values.serviceAccount.create -}}
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apiVersion: v1
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kind: ServiceAccount
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metadata:
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name: {{ include "usb-watch.serviceAccountName" . }}
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labels:
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{{- include "usb-watch.labels" . | nindent 4 }}
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{{- with .Values.serviceAccount.annotations }}
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annotations:
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{{- toYaml . | nindent 4 }}
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{{- end }}
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automountServiceAccountToken: {{ .Values.serviceAccount.automount }}
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{{- end }}
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61
helm/values.yaml
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61
helm/values.yaml
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# Default values for usb-watch.
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# This is a YAML-formatted file.
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# Declare variables to be passed into your templates.
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# This will set the replicaset count more information can be found here: https://kubernetes.io/docs/concepts/workloads/controllers/replicaset/
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replicaCount: 1
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# This sets the container image more information can be found here: https://kubernetes.io/docs/concepts/containers/images/
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image:
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repository: repo.rre.nu/library/usb-watch
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# This sets the pull policy for images.
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pullPolicy: IfNotPresent
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# Overrides the image tag whose default is the chart appVersion.
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tag: ""
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# This is for the secretes for pulling an image from a private repository more information can be found here: https://kubernetes.io/docs/tasks/configure-pod-container/pull-image-private-registry/
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imagePullSecrets: []
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# This is to override the chart name.
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nameOverride: ""
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fullnameOverride: ""
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#This section builds out the service account more information can be found here: https://kubernetes.io/docs/concepts/security/service-accounts/
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serviceAccount:
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# Specifies whether a service account should be created
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create: true
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# Automatically mount a ServiceAccount's API credentials?
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automount: true
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# Annotations to add to the service account
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annotations: {}
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# The name of the service account to use.
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# If not set and create is true, a name is generated using the fullname template
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name: ""
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# This is for setting Kubernetes Annotations to a Pod.
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# For more information checkout: https://kubernetes.io/docs/concepts/overview/working-with-objects/annotations/
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podAnnotations: {}
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# This is for setting Kubernetes Labels to a Pod.
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# For more information checkout: https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/
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podLabels: {}
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resources: {}
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# We usually recommend not to specify default resources and to leave this as a conscious
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# choice for the user. This also increases chances charts run on environments with little
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# resources, such as Minikube. If you do want to specify resources, uncomment the following
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# lines, adjust them as necessary, and remove the curly braces after 'resources:'.
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# limits:
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# cpu: 100m
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# memory: 128Mi
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# requests:
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# cpu: 100m
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# memory: 128Mi
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# This is to setup the liveness and readiness probes more information can be found here: https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-startup-probes/
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livenessProbe:
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httpGet:
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path: /
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port: http
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readinessProbe:
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httpGet:
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path: /
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port: http
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