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Merged
merged 2 commits into from
Jul 17, 2025
Merged

feat: add nameOverride support to helm templates #3864

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8afadca
feat: add `nameOverride` support to helm templates
slntopp Jul 3, 2025
5f79a22
codegen: generate docs for `nameOverride` Helm values
slntopp Jul 3, 2025
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2 changes: 2 additions & 0 deletions docs/content/en/docs/reference/helm-chart.md
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2 changes: 2 additions & 0 deletions install/kubernetes/tetragon/README.md
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36 changes: 34 additions & 2 deletions install/kubernetes/tetragon/templates/_helpers.tpl
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@@ -1,3 +1,35 @@
{{/*
Resources names
*/}}
{{- define "tetragon.name" -}}
{{- default .Release.Name .Values.tetragon.nameOverride | trunc 63 | trimSuffix "-" }}
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Why is trimSuffix needed here?

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Most k8s object names and ids must start and end with alphanumeric chars, this is common failsafe.

You could theoretically set your release name or nameOverride to amazing-tetragon-deployment-named-long-with-dashes-because-why-not (66 chars), truncated to 63 would result into amazing-tetragon-deployment-named-long-with-dashes-because-why-, which would fail

{{- end }}

{{- define "tetragon.configMapName" -}}
{{- printf "%s-config" (include "tetragon.name" .) | trunc 63 | trimSuffix "-" }}
{{- end }}

{{- define "tetragon.clusterRole" -}}
{{- include "tetragon.name" . }}
{{- end }}

{{- define "tetragon-operator.name" -}}
{{- default (printf "%s-operator" .Release.Name) .Values.tetragonOperator.nameOverride | trunc 63 | trimSuffix "-" }}
{{- end }}

{{- define "tetragon-operator.clusterRole" -}}
{{- include "tetragon-operator.name" . }}
{{- end }}

{{- define "tetragon-operator.roleBindingName" -}}
{{- printf "%s-rolebinding" (include "tetragon-operator.name" .) | trunc 63 | trimSuffix "-" }}
{{- end }}

{{- define "tetragon-operator.configMapName" -}}
{{- printf "%s-config" (include "tetragon-operator.name" .) | trunc 63 | trimSuffix "-" }}
{{- end }}


{{/*
Common labels
*/}}
Expand Down Expand Up @@ -55,15 +87,15 @@ ServiceAccounts
{{- if .Values.serviceAccount.name -}}
{{- printf "%s" .Values.serviceAccount.name -}}
{{- else -}}
{{- printf "%s" .Release.Name -}}
{{- include "tetragon.name" . -}}
{{- end -}}
{{- end }}

{{- define "tetragon-operator.serviceAccount" -}}
{{- if .Values.tetragonOperator.serviceAccount.name -}}
{{- printf "%s" .Values.tetragonOperator.serviceAccount.name -}}
{{- else -}}
{{- printf "%s-operator-service-account" .Release.Name -}}
{{- printf "%s-service-account" (include "tetragon-operator.name" .) -}}
{{- end -}}
{{- end }}

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2 changes: 1 addition & 1 deletion install/kubernetes/tetragon/templates/clusterrole.yaml
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Expand Up @@ -2,7 +2,7 @@
kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1
metadata:
name: {{.Release.Name}}
name: {{ include "tetragon.clusterRole" . }}
labels:
{{- include "tetragon.labels" . | nindent 4 }}
rules:
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4 changes: 2 additions & 2 deletions install/kubernetes/tetragon/templates/clusterrolebinding.yml
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Expand Up @@ -2,13 +2,13 @@
kind: ClusterRoleBinding
apiVersion: rbac.authorization.k8s.io/v1
metadata:
name: {{ .Release.Name }}
name: {{ include "tetragon.clusterRole" . }}
labels:
{{- include "tetragon.labels" . | nindent 4 }}
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
name: {{ .Release.Name }}
name: {{ include "tetragon.clusterRole" . }}
subjects:
- kind: ServiceAccount
namespace: {{ .Release.Namespace }}
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4 changes: 2 additions & 2 deletions install/kubernetes/tetragon/templates/daemonset.yaml
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Expand Up @@ -11,7 +11,7 @@ metadata:
{{- else }}
{{- include "tetragon.labels" . | nindent 4 }}
{{- end }}
name: {{ .Release.Name }}
name: {{ include "tetragon.name" . }}
namespace: {{ .Release.Namespace }}
spec:
selector:
Expand Down Expand Up @@ -86,7 +86,7 @@ spec:
{{- if .Values.tetragon.enabled }}
- name: tetragon-config
configMap:
name: {{ .Release.Name }}-config
name: {{ include "tetragon.configMapName" . }}
- name: bpf-maps
hostPath:
path: /sys/fs/bpf
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2 changes: 1 addition & 1 deletion install/kubernetes/tetragon/templates/operator_clusterrole.yaml
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Expand Up @@ -2,7 +2,7 @@
kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1
metadata:
name: {{.Release.Name}}-operator
name: {{ include "tetragon-operator.clusterRole" . }}
labels:
{{- include "tetragon-operator.labels" . | nindent 4 }}
rules:
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4 changes: 2 additions & 2 deletions install/kubernetes/tetragon/templates/operator_clusterrolebinding.yaml
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Expand Up @@ -2,13 +2,13 @@
kind: ClusterRoleBinding
apiVersion: rbac.authorization.k8s.io/v1
metadata:
name: {{ .Release.Name }}-operator-rolebinding
name: {{ include "tetragon-operator.roleBindingName" . }}
labels:
{{- include "tetragon-operator.labels" . | nindent 4 }}
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
name: {{ .Release.Name }}-operator
name: {{ include "tetragon-operator.name" . }}
subjects:
- kind: ServiceAccount
namespace: {{ .Release.Namespace }}
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2 changes: 1 addition & 1 deletion install/kubernetes/tetragon/templates/operator_configmap.yaml
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Expand Up @@ -2,7 +2,7 @@
apiVersion: v1
kind: ConfigMap
metadata:
name: {{ .Release.Name }}-operator-config
name: {{ include "tetragon-operator.configMapName" . }}
namespace: {{ .Release.Namespace }}
labels:
{{- include "tetragon-operator.labels" . | nindent 4 }}
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6 changes: 3 additions & 3 deletions install/kubernetes/tetragon/templates/operator_deployment.yaml
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Expand Up @@ -11,7 +11,7 @@ metadata:
{{- with .Values.tetragonOperator.extraLabels }}
{{- toYaml . | nindent 4 }}
{{- end }}
name: {{ .Release.Name }}-operator
name: {{ include "tetragon-operator.name" . }}
namespace: {{ .Release.Namespace }}
spec:
selector:
Expand All @@ -31,7 +31,7 @@ spec:
{{- end }}
spec:
containers:
- name: {{ .Release.Name }}-operator
- name: {{ include "tetragon-operator.name" . }}
command:
- /usr/bin/tetragon-operator
args:
Expand Down Expand Up @@ -103,7 +103,7 @@ spec:
volumes:
- name: tetragon-operator-config
configMap:
name: {{ .Release.Name }}-operator-config
name: {{ include "tetragon-operator.configMapName" . }}
{{- with .Values.tetragonOperator.extraVolumes }}
{{- toYaml . | nindent 8 }}
{{- end }}
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2 changes: 1 addition & 1 deletion install/kubernetes/tetragon/templates/operator_role.yaml
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Expand Up @@ -2,7 +2,7 @@
kind: Role
apiVersion: rbac.authorization.k8s.io/v1
metadata:
name: {{ .Release.Name }}-operator
name: {{ include "tetragon-operator.name" . }}
namespace: {{ .Release.Namespace }}
labels:
{{- include "tetragon-operator.labels" . | nindent 4 }}
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4 changes: 2 additions & 2 deletions install/kubernetes/tetragon/templates/operator_rolebinding.yaml
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Expand Up @@ -2,14 +2,14 @@
kind: RoleBinding
apiVersion: rbac.authorization.k8s.io/v1
metadata:
name: {{ .Release.Name }}-operator-rolebinding
name: {{ include "tetragon-operator.roleBindingName" . }}
namespace: {{ .Release.Namespace }}
labels:
{{- include "tetragon-operator.labels" . | nindent 4 }}
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: Role
name: {{ .Release.Name }}-operator
name: {{ include "tetragon-operator.name" . }}
subjects:
- kind: ServiceAccount
namespace: {{ .Release.Namespace }}
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2 changes: 1 addition & 1 deletion install/kubernetes/tetragon/templates/operator_service.yaml
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Expand Up @@ -3,7 +3,7 @@ apiVersion: v1
kind: Service
metadata:
namespace: {{ .Release.Namespace }}
name: {{ .Release.Name }}-operator-metrics
name: {{ include "tetragon-operator.name" . }}-metrics
labels:
{{- include "tetragon-operator.labels" . | nindent 4 }}
spec:
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2 changes: 1 addition & 1 deletion install/kubernetes/tetragon/templates/operator_servicemonitor.yaml
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Expand Up @@ -11,7 +11,7 @@ metadata:
{{- with .Values.tetragonOperator.prometheus.serviceMonitor.extraLabels }}
{{- toYaml . | nindent 4 }}
{{- end }}
name: {{ .Release.Name }}-operator
name: {{ include "tetragon-operator.name" . }}
namespace: {{ .Release.Namespace }}
spec:
endpoints:
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2 changes: 1 addition & 1 deletion install/kubernetes/tetragon/templates/service.yaml
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Expand Up @@ -9,7 +9,7 @@ metadata:
{{- else }}
{{- include "tetragon.labels" . | nindent 4 }}
{{- end }}
name: {{ .Release.Name }}
name: {{ include "tetragon.name" . }}
namespace: {{ .Release.Namespace }}
spec:
ports:
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2 changes: 1 addition & 1 deletion install/kubernetes/tetragon/templates/servicemonitor.yaml
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Expand Up @@ -12,7 +12,7 @@ metadata:
{{- with .Values.tetragon.prometheus.serviceMonitor.extraLabels }}
{{- toYaml . | nindent 4 }}
{{- end }}
name: {{ .Release.Name }}
name: {{ include "tetragon.name" . }}
namespace: {{ .Release.Namespace }}
spec:
endpoints:
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2 changes: 1 addition & 1 deletion install/kubernetes/tetragon/templates/tetragon_configmap.yaml
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@@ -1,7 +1,7 @@
apiVersion: v1
kind: ConfigMap
metadata:
name: {{ .Release.Name }}-config
name: {{ include "tetragon.configMapName" . }}
namespace: {{ .Release.Namespace }}
labels:
{{- include "tetragon.labels" . | nindent 4 }}
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3 changes: 3 additions & 0 deletions install/kubernetes/tetragon/values.yaml
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Expand Up @@ -37,6 +37,7 @@ exportDirectory: "/var/run/cilium/tetragon"
hostNetwork: true
tetragon:
enabled: true
nameOverride: ""
image:
override: ~
repository: quay.io/cilium/tetragon
Expand Down Expand Up @@ -240,6 +241,8 @@ tetragon:
tetragonOperator:
# -- Enables the Tetragon Operator.
enabled: true
# -- The name of the Tetragon Operator deployment.
nameOverride: ""
# -- Number of replicas to run for the tetragon-operator deployment
replicas: 1
# -- Lease handling for an automated failover when running multiple replicas
Expand Down
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