TrueChartsClone/charts/library/common/helm-values.md

Default Helm-Values

TrueCharts is primarily build to supply TrueNAS SCALE Apps. However, we also supply all Apps as standard Helm-Charts. In this document we aim to document the default values in our Common Chart. This chart is used by a lot of our Apps to provide sane defaults and logic.

Values

Key	Type	Default	Description
additionalContainers	list	[]	Specify any additional containers here. Yaml will be passed in to the Pod as-is.
affinity	object	{}	Defines affinity constraint rules. [ref]
args	list	[]	Override the args for the default container
autoscaling	object		Add a Horizontal Pod Autoscaler
command	list	[]	Override the command(s) for the default container
controller.annotations	object	{}
controller.annotationsList	list	[]	Set additional annotations on the deployment/statefulset/daemonset
controller.enabled	bool	true	enable the controller.
controller.labels	object	{}
controller.labelsList	list	[]	Set additional labels on the deployment/statefulset/daemonset
controller.replicas	int	1	Number of desired pods
controller.revisionHistoryLimit	int	3	ReplicaSet revision history limit
controller.rollingUpdate.partition	string	nil	Set statefulset RollingUpdate partition
controller.rollingUpdate.surge	string	nil	Set deployment RollingUpdate max surge
controller.rollingUpdate.unavailable	string	nil	Set deployment RollingUpdate max unavailable
controller.strategy	string	nil	Set the controller upgrade strategy For Deployments, valid values are Recreate (default) and RollingUpdate. For StatefulSets, valid values are OnDelete and RollingUpdate (default). DaemonSets ignore this.
controller.type	string	"deployment"	Set the controller type. Valid options are deployment, daemonset or statefulset
deviceList	list	[]	Configure persistenceList for the chart here. Used to create an additional GUI element in SCALE for mounting USB devices Additional items can be added by adding a items similar to persistence
dnsConfig	object	{}	Optional DNS settings, configuring the ndots option may resolve nslookup issues on some Kubernetes setups.
dnsPolicy	string	nil	Defaults to "ClusterFirst" if hostNetwork is false and "ClusterFirstWithHostNet" if hostNetwork is true.
enableServiceLinks	bool	false	Enable/disable the generation of environment variables for services. [ref]
env	object	{}	Main environment variables. Template enabled. Syntax options: A) TZ: UTC B) PASSWD: '{{ .Release.Name }}' C) PASSWD: envFrom: ...
envFrom	list	[]
envTpl	object	{}
envValueFrom	object	{}
global.fullnameOverride	string	nil	Set the entire name definition
global.nameOverride	string	nil	Set an override for the prefix of the fullname
hostAliases	list	[]	Use hostAliases to add custom entries to /etc/hosts - mapping IP addresses to hostnames. [ref]
hostNetwork	bool	false	When using hostNetwork make sure you set dnsPolicy to ClusterFirstWithHostNet
hostname	string	nil	Allows specifying explicit hostname setting
image.pullPolicy	string	nil	image pull policy
image.repository	string	nil	image repository
image.tag	string	nil	image tag
ingress	object	See below	Configure the ingresses for the chart here. Additional ingresses can be added by adding a dictionary key similar to the 'main' ingress.
ingress.main.enabled	bool	false	Enables or disables the ingress
ingress.main.fixedMiddlewares	list	["chain-basic"]	List of middlewares in the traefikmiddlewares k8s namespace to add automatically Creates an annotation with the middlewares and appends k8s and traefik namespaces to the middleware names Primarily used for TrueNAS SCALE to add additional (seperate) middlewares without exposing them to the end-user
ingress.main.hosts[0].host	string	"chart-example.local"	Host address. Helm template can be passed.
ingress.main.hosts[0].paths[0].path	string	"/"	Path. Helm template can be passed.
ingress.main.hosts[0].paths[0].pathType	string	"Prefix"	Ignored if not kubeVersion >= 1.14-0
ingress.main.hosts[0].paths[0].service.name	string	nil	Overrides the service name reference for this path
ingress.main.hosts[0].paths[0].service.port	string	nil	Overrides the service port reference for this path
ingress.main.ingressClassName	string	nil	Set the ingressClass that is used for this ingress. Requires Kubernetes >=1.19
ingress.main.middlewares	list	[]	Additional List of middlewares in the traefikmiddlewares k8s namespace to add automatically Creates an annotation with the middlewares and appends k8s and traefik namespaces to the middleware names
ingress.main.nameOverride	string	nil	Override the name suffix that is used for this ingress.
ingress.main.primary	bool	true	Make this the primary ingress (used in probes, notes, etc...). If there is more than 1 ingress, make sure that only 1 ingress is marked as primary.
ingress.main.tls	list	[]	Configure TLS for the ingress. Both secretName and hosts can process a Helm template.
ingressList	list	[]	Configure ingressList for the chart here. Additional items can be added by adding a items similar to ingress
initContainers	list	[]	Specify any initContainers here. Yaml will be passed in to the Pod as-is.
lifecycle	object	{}	Configure the lifecycle for the main container
networkPolicy	object	See below	Configure networkPolicy for the chart here.
networkPolicy.egress	list	[]	add or remove egress policies
networkPolicy.enabled	bool	false	Enables or disables the networkPolicy
networkPolicy.ingress	list	[]	add or remove egress policies
nodeSelector	object	{}
persistence	object	See below	Configure persistence for the chart here. Additional items can be added by adding a dictionary key similar to the 'config' key.
persistence.config	object	See below	Default persistence for configuration files.
persistence.config.enabled	bool	false	Enables or disables the persistence item
persistence.config.existingClaim	string	nil	If you want to reuse an existing claim, the name of the existing PVC can be passed here.
persistence.config.forceName	string	""	force the complete PVC name Will not add any prefix or suffix
persistence.config.mountPath	string	nil	Where to mount the volume in the main container. Defaults to /<name_of_the_volume>, setting to '-' creates the volume but disables the volumeMount.
persistence.config.nameOverride	string	nil	Override the name suffix that is used for this volume.
persistence.config.readOnly	bool	false	Specify if the volume should be mounted read-only.
persistence.config.size	string	"1Gi"	The amount of storage that is requested for the persistent volume.
persistence.config.storageClass	string	nil	Storage Class for the config volume. If set to -, dynamic provisioning is disabled. If set to SCALE-ZFS, the default provisioner for TrueNAS SCALE is used. If set to something else, the given storageClass is used. If undefined (the default) or set to null, no storageClassName spec is set, choosing the default provisioner.
persistence.config.subPath	string	nil	Used in conjunction with existingClaim. Specifies a sub-path inside the referenced volume instead of its root
persistence.config.type	string	"pvc"	Sets the persistence type Valid options are pvc, emptyDir, hostPath or custom
persistence.custom-mount	object	See below	Example of a custom mount
persistence.custom-mount.mountPath	string	nil	Where to mount the volume in the main container. Defaults to /<name_of_the_volume>, setting to '-' creates the volume but disables the volumeMount.
persistence.custom-mount.readOnly	bool	false	Specify if the volume should be mounted read-only.
persistence.custom-mount.volumeSpec	object	{}	Define the custom Volume spec here [ref]
persistence.host-dev	object	See below	Example of a hostPath mount refhttps://kubernetes.io/docs/concepts/storage/volumes/#hostpath)
persistence.host-dev.hostPath	string	"/dev"	Which path on the host should be mounted.
persistence.host-dev.hostPathType	string	""	Specifying a hostPathType adds a check before trying to mount the path. See Kubernetes documentation for options.
persistence.host-dev.mountPath	string	nil	Where to mount the path in the main container. Defaults to the value of hostPath
persistence.host-dev.readOnly	bool	true	Specify if the path should be mounted read-only.
persistence.shared	object	See below	Create an emptyDir volume to share between all containers refhttps://kubernetes.io/docs/concepts/storage/volumes/#emptydir)
persistence.shared.medium	string	nil	Set the medium to "Memory" to mount a tmpfs (RAM-backed filesystem) instead of the storage medium that backs the node.
persistence.shared.sizeLimit	string	nil	If the SizeMemoryBackedVolumes feature gate is enabled, you can specify a size for memory backed volumes.
persistenceList	list	[]	Configure persistenceList for the chart here. Additional items can be added by adding a items similar to persistence
podAnnotations	object	{}
podAnnotationsList	list	[]	Set additional annotations on the pod
podLabels	object	{}	Set labels on the pod
podLabelsList	list	[]	Set additional labels on the pod
podSecurityContext	object	{}	Configure the Security Context for the Pod
priorityClassName	string	nil
probes	object	See below	Probe configuration -- [ref]
probes.liveness	object	See below	Liveness probe configuration
probes.liveness.custom	bool	false	Set this to true if you wish to specify your own livenessProbe
probes.liveness.enabled	bool	true	Enable the liveness probe
probes.liveness.path	string	"/"	If a HTTP probe is used (default for HTTP/HTTPS services) this path is used
probes.liveness.spec	object	See below	The spec field contains the values for the default livenessProbe. If you selected custom: true, this field holds the definition of the livenessProbe.
probes.liveness.type	string	"TCP"	sets the probe type when not using a custom probe
probes.readiness	object	See below	Redainess probe configuration
probes.readiness.custom	bool	false	Set this to true if you wish to specify your own readinessProbe
probes.readiness.enabled	bool	true	Enable the readiness probe
probes.readiness.path	string	"/"	If a HTTP probe is used (default for HTTP/HTTPS services) this path is used
probes.readiness.spec	object	See below	The spec field contains the values for the default readinessProbe. If you selected custom: true, this field holds the definition of the readinessProbe.
probes.readiness.type	string	"TCP"	sets the probe type when not using a custom probe
probes.startup	object	See below	Startup probe configuration
probes.startup.custom	bool	false	Set this to true if you wish to specify your own startupProbe
probes.startup.enabled	bool	true	Enable the startup probe
probes.startup.path	string	"/"	If a HTTP probe is used (default for HTTP/HTTPS services) this path is used
probes.startup.spec	object	See below	The spec field contains the values for the default startupProbe. If you selected custom: true, this field holds the definition of the startupProbe.
probes.startup.type	string	"TCP"	sets the probe type when not using a custom probe
rbac	object	See below	Create a ClusterRole and ClusterRoleBinding
rbac.clusterRoleAnnotations	object	{}	Set labels on the ClusterRole
rbac.clusterRoleBindingAnnotations	object	{}	Set labels on the ClusterRoleBinding
rbac.clusterRoleBindingLabels	object	{}	Set Annotations on the ClusterRoleBinding
rbac.clusterRoleLabels	object	{}	Set Annotations on the ClusterRole
rbac.enabled	bool	false	Enables or disables the ClusterRole and ClusterRoleBinding
rbac.rules	object	{}	Set Rules on the ClusterRole
rbac.subjects	object	{}	Add subjects to the ClusterRoleBinding. includes the above created serviceaccount
resources	object	{}	Set the resource requests / limits for the main container.
schedulerName	string	nil	Allows specifying a custom scheduler name
secret	object	{}	Use this to populate a secret with the values you specify. Be aware that these values are not encrypted by default, and could therefore visible to anybody with access to the values.yaml file.
securityContext	object	{"allowPrivilegeEscalation":true,"privileged":false,"readOnlyRootFilesystem":false}	Configure the Security Context for the main container
service	object	See below	Configure the services for the chart here. Additional services can be added by adding a dictionary key similar to the 'main' service.
service.main.enabled	bool	true	Enables or disables the service
service.main.nameOverride	string	nil	Override the name suffix that is used for this service
service.main.ports	object	See below	Configure the Service port information here. Additional ports can be added by adding a dictionary key similar to the 'http' service.
service.main.ports.main.enabled	bool	true	Enables or disables the port
service.main.ports.main.nodePort	string	nil	Specify the nodePort value for the LoadBalancer and NodePort service types. [ref]
service.main.ports.main.port	string	nil	The port number
service.main.ports.main.primary	bool	true	Make this the primary port (used in probes, notes, etc...) If there is more than 1 service, make sure that only 1 port is marked as primary.
service.main.ports.main.protocol	string	"HTTP"	Port protocol. Support values are HTTP, HTTPS, TCP and UDP. HTTPS and HTTPS spawn a TCP service and get used for internal URL and name generation
service.main.ports.main.targetPort	string	nil	Specify a service targetPort if you wish to differ the service port from the application port. If targetPort is specified, this port number is used in the container definition instead of the port value. Therefore named ports are not supported for this field.
service.main.portsList	list	See below	Configure additional Service port information here.
service.main.primary	bool	true	Make this the primary service (used in probes, notes, etc...). If there is more than 1 service, make sure that only 1 service is marked as primary.
service.main.type	string	"ClusterIP"	Set the service type
serviceAccount	object	See below	Create serviceaccount
serviceAccount.annotations	object	{}	Annotations to add to the service account
serviceAccount.create	bool	false	Specifies whether a service account should be created
serviceAccount.name	string	""	The name of the service account to use. If not set and create is true, a name is generated using the fullname template
serviceList	list	See below	Configure additional services for the chart here.
termination.gracePeriodSeconds	int	10	Duration in seconds the pod needs to terminate gracefully -- [ref]
termination.messagePath	string	nil	Configure the path at which the file to which the main container's termination message will be written. -- [ref]
termination.messagePolicy	string	nil	Indicate how the main container's termination message should be populated. Valid options are File and FallbackToLogsOnError. -- [ref]
tolerations	list	[]	Specify taint tolerations [ref]
volumeClaimTemplates	list	[]	Used in conjunction with controller.type: statefulset to create individual disks for each instance.

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