chore: update Helm chart to 1.8.x level

[tallaxes]

Description

Update Helm chart to 1.8.x level (roughly matching AWS provider)

values.yaml

• Added serviceMonitor.relabelings, serviceMonitor.metricRelabelings, serviceMonitor.sampleLimit
• Added schedulerName and initContainers options
• Added controller.containerName option
• Added new settings: preferencePolicy, minValuesPolicy, ignoreDRARequests, disableClusterStateObservability
• Added featureGates.reservedCapacity (BETA, disabled by default; likely needs provider support & testing)

deployment.yaml

• Added automountServiceAccountToken: true
• Added schedulerName support
• Updated container name to use {{ include "karpenter.controller.containerName" . }}
• Added SYSTEM_NAMESPACE env var (from fieldRef)
• Added CPU_REQUESTS env var (from resourceFieldRef)
• Added LOG_OUTPUT_PATHS and LOG_ERROR_OUTPUT_PATHS env vars
• Added ReservedCapacity to FEATURE_GATES
• Added PREFERENCE_POLICY, MIN_VALUES_POLICY, IGNORE_DRA_REQUESTS, DISABLE_CLUSTER_STATE_OBSERVABILITY env vars
• Added initContainers support

_helpers.tpl

• Added karpenter.controller.containerName helper template

servicemonitor.yaml

• Added API capabilities check for monitoring.coreos.com/v1
• Added sampleLimit support
• Added relabelings and metricRelabelings support

New values.yaml Options

Setting	Default	Description
schedulerName	""	Custom scheduler name
initContainers	[]	Init containers support
controller.containerName	"controller"	Container name
serviceMonitor.relabelings	[]	Prometheus relabelings
serviceMonitor.metricRelabelings	[]	Prometheus metric relabelings
serviceMonitor.sampleLimit	~	Sample limit for ServiceMonitor
settings.preferencePolicy	""	Preference policy for scheduling
settings.minValuesPolicy	""	Min values policy
settings.ignoreDRARequests	false	Ignore DRA requests
settings.disableClusterStateObservability	false	Disable cluster state observability
settings.featureGates.reservedCapacity	false	Reserved capacity feature (BETA)

New Environment Variables in Deployment

Env Var	Source	Description
SYSTEM_NAMESPACE	fieldRef: metadata.namespace	Controller's namespace
CPU_REQUESTS	resourceFieldRef: requests.cpu	CPU requests for memory management
LOG_OUTPUT_PATHS	values: logOutputPaths	Log output destinations
LOG_ERROR_OUTPUT_PATHS	values: logErrorOutputPaths	Error log destinations
PREFERENCE_POLICY	values: settings.preferencePolicy	Scheduling preference policy
MIN_VALUES_POLICY	values: settings.minValuesPolicy	Min values handling policy
IGNORE_DRA_REQUESTS	values: settings.ignoreDRARequests	DRA request handling
DISABLE_CLUSTER_STATE_OBSERVABILITY	values: settings.disableClusterStateObservability	Cluster state observability

Feature Gates

Updated FEATURE_GATES env var now includes:

• ReservedCapacity (new, BETA, default: false)
• SpotToSpotConsolidation (ALPHA, default: false)
• NodeRepair (ALPHA, default: false)
• NodeOverlay (ALPHA, default: false)
• StaticCapacity (ALPHA, default: false)

How was this change tested?

• TBD

Does this change impact docs?

• Yes, PR includes docs updates
• Yes, issue opened: #
• No

Release Note