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Adds ability to run as daemonset or deployment with hostNetwork set #197

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3f7995c
feat: adds ability to run as daemonset or deployment
meik99 Mar 8, 2026
2eba73f
fix: remove replicas from DaemonSet and add flag foe dns policy
meik99 Mar 8, 2026
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2 changes: 2 additions & 0 deletions .gitignore
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**/.DS_Store
charts/coturn/charts
charts/coturn/Chart.lock
9 changes: 0 additions & 9 deletions charts/coturn/Chart.lock
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298 changes: 298 additions & 0 deletions charts/coturn/templates/daemonset.yaml
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{{- if eq ((.Values.deployment).type | default "Deployment") "DaemonSet" }}
apiVersion: apps/v1
kind: DaemonSet
metadata:
name: {{ .Release.Name }}-coturn
labels:
{{ include "labels" . | indent 4 }}
spec:
selector:
matchLabels:
app.kubernetes.io/name: {{ .Release.Name }}-coturn
app.kubernetes.io/instance: {{ .Release.Name }}
template:
metadata:
labels:
app.kubernetes.io/name: {{ .Release.Name }}-coturn
app.kubernetes.io/instance: {{ .Release.Name }}
spec:
hostNetwork: {{ (.Values.deployment).hostNetwork | default false }}
dnsPolicy: {{ (.Values.deployment).dnsPolicy | default "ClusterFirst" }}
{{- with .Values.imagePullSecrets }}
imagePullSecrets:
{{- toYaml . | nindent 8 }}
{{- end }}
{{- if .Values.podSecurityContext.enabled }}
{{- with .Values.podSecurityContext }}
securityContext:
runAsNonRoot: {{ .runAsNonRoot }}
runAsUser: {{ .runAsUser }}
runAsGroup: {{ .runAsGroup }}
fsGroup: {{ .fsGroup }}
seccompProfile: {{- .seccompProfile | toYaml | nindent 10 }}
{{- end }}
{{- end }}
initContainers:
{{- if or .Values.postgresql.enabled (and .Values.externalDatabase.enabled (eq .Values.externalDatabase.type "postgresql")) }}
- name: postgresql-isready
image: {{ include "db.isReady.image.repository" . }}:{{ include "db.isReady.image.tag" . }}
env:
- name: POSTGRES_USER
valueFrom:
secretKeyRef:
name: {{ include "database.secretName" . }}
{{- if and .Values.externalDatabase.enabled .Values.externalDatabase.secretKeys.username }}
key: {{ .Values.externalDatabase.secretKeys.username }}
{{ else }}
key: {{ .Values.postgresql.global.postgresql.auth.secretKeys.username }}
{{- end }}
- name: DATABASE_HOSTNAME
{{- if and .Values.externalDatabase.enabled .Values.externalDatabase.secretKeys.hostname }}
valueFrom:
secretKeyRef:
name: {{ include "database.secretName" . }}
key: {{ .Values.externalDatabase.secretKeys.hostname }}
{{ else }}
value: {{ template "postgresql.v1.primary.fullname" .Subcharts.postgresql }}
{{- end }}
command:
- "sh"
- "-c"
- "until pg_isready -h $DATABASE_HOSTNAME -U $POSTGRES_USER ; do sleep 2 ; done"
{{- if .Values.containerSecurityContext.enabled }}
{{- with .Values.containerSecurityContext }}
securityContext:
capabilities:
drop: {{- .capabilities.drop | toYaml | nindent 16 }}
readOnlyRootFilesystem: {{ .readOnlyRootFilesystem }}
allowPrivilegeEscalation: {{ .allowPrivilegeEscalation }}
{{- end }}
{{- end }}
{{- else if or .Values.mysql.enabled (and .Values.externalDatabase.enabled (eq .Values.externalDatabase.type "mysql")) }}
- name: mysql-isready
image: {{ include "db.isReady.image.repository" . }}:{{ include "db.isReady.image.tag" . }}
env:
- name: MYSQL_USER
valueFrom:
secretKeyRef:
name: {{ include "database.secretName" . }}
{{- if and .Values.externalDatabase.enabled .Values.externalDatabase.secretKeys.username }}
key: {{ .Values.externalDatabase.secretKeys.username }}
{{ else }}
key: {{ .Values.mysql.auth.secretKeys.username }}
{{ end }}
- name: MYSQL_PASSWORD
valueFrom:
secretKeyRef:
name: {{ include "database.secretName" . }}
{{- if and .Values.externalDatabase.enabled .Values.externalDatabase.secretKeys.password }}
key: {{ .Values.externalDatabase.secretKeys.password }}
{{ else }}
key: {{ .Values.mysql.auth.secretKeys.password }}
{{ end }}
- name: DATABASE_HOSTNAME
{{- if and .Values.externalDatabase.enabled .Values.externalDatabase.secretKeys.hostname }}
valueFrom:
secretKeyRef:
name: {{ include "database.secretName" . }}
key: {{ .Values.externalDatabase.secretKeys.hostname }}
{{ else }}
value: {{ template "mysql.primary.fullname" .Subcharts.mysql }}
{{- end }}
command:
- "sh"
- "-c"
- "until mysql -h $DATABASE_HOSTNAME -u $MYSQL_USER -p$MYSQL_PASSWORD -e 'SELECT VERSION();' ; do sleep 2 ; done"
{{- if .Values.containerSecurityContext.enabled }}
{{- with .Values.containerSecurityContext }}
securityContext:
capabilities:
drop: {{- .capabilities.drop | toYaml | nindent 16 }}
readOnlyRootFilesystem: {{ .readOnlyRootFilesystem }}
allowPrivilegeEscalation: {{ .allowPrivilegeEscalation }}
{{- end }}
{{- end }}
{{- end }}
- name: add-secret-values-to-config
image: {{ .Values.coturn.initContainer.image.repository }}:{{ .Values.coturn.initContainer.image.tag }}
imagePullPolicy: Always
env:
- name: USER
valueFrom:
secretKeyRef:
name: {{ include "coturn.auth.secretName" . }}
{{- if and .Values.coturn.auth.existingSecret .Values.coturn.auth.secretKeys.username }}
key: {{ .Values.coturn.auth.secretKeys.username }}
{{ else }}
key: username
{{- end }}
- name: PASSWORD
valueFrom:
secretKeyRef:
name: {{ include "coturn.auth.secretName" . }}
key: {{ .Values.coturn.auth.secretKeys.password }}
{{- if or .Values.coturn.auth.staticAuthSecret .Values.coturn.auth.secretKeys.staticAuthSecret }}
- name: STATIC_AUTH_SECRET
valueFrom:
secretKeyRef:
name: {{ include "coturn.auth.secretName" . }}
key: {{ .Values.coturn.auth.secretKeys.staticAuthSecret | default "staticAuthSecret" }}
{{- end }}
{{- if or .Values.externalDatabase.enabled .Values.postgresql.enabled .Values.mysql.enabled }}
- name: DATABASE_HOSTNAME
{{- if and .Values.externalDatabase.enabled .Values.externalDatabase.secretKeys.hostname }}
valueFrom:
secretKeyRef:
name: {{ include "database.secretName" . }}
key: {{ .Values.externalDatabase.secretKeys.hostname }}
{{ else if .Values.postgresql.enabled }}
value: {{ template "postgresql.v1.primary.fullname" .Subcharts.postgresql }}
{{ else if .Values.mysql.enabled }}
value: {{ template "mysql.primary.fullname" .Subcharts.mysql }}
{{- end }}
- name: DATABASE_USER
valueFrom:
secretKeyRef:
name: {{ include "database.secretName" . }}
{{- if and .Values.externalDatabase.enabled .Values.externalDatabase.secretKeys.username }}
key: {{ .Values.externalDatabase.secretKeys.username }}
{{ else if .Values.postgresql.enabled }}
key: {{ .Values.postgresql.global.postgresql.auth.secretKeys.username }}
{{ else if .Values.mysql.enabled }}
key: username
{{- end }}
- name: DATABASE_PASS
valueFrom:
secretKeyRef:
name: {{ include "database.secretName" . }}
{{- if and .Values.externalDatabase.enabled .Values.externalDatabase.secretKeys.password }}
key: {{ .Values.externalDatabase.secretKeys.password }}
{{ else if .Values.postgresql.enabled }}
key: {{ .Values.postgresql.global.postgresql.auth.secretKeys.userPasswordKey }}
{{ else if .Values.mysql.enabled }}
key: password
{{- end }}
- name: DATABASE
valueFrom:
secretKeyRef:
name: {{ include "database.secretName" . }}
{{- if and .Values.externalDatabase.enabled .Values.externalDatabase.secretKeys.database }}
key: {{ .Values.externalDatabase.secretKeys.database }}
{{ else if .Values.postgresql.enabled }}
key: {{ .Values.postgresql.global.postgresql.auth.secretKeys.database }}
{{ else if .Values.mysql.enabled }}
key: database
{{- end }}
{{- end }}
command:
- /bin/sh
- -ec
- |
cp /initial/turnserver.conf /data/turnserver.yaml && \
export USER_STR="$USER:$PASSWORD" && \
yq eval -i '.user = env(USER_STR)' /data/turnserver.yaml && \
{{- if or (and .Values.externalDatabase.enabled (eq .Values.externalDatabase.type "postgresql")) .Values.postgresql.enabled }}
export CONNECTION_STRING="host=$DATABASE_HOSTNAME dbname=$DATABASE user=$DATABASE_USER password=$DATABASE_PASS connect_timeout=30" && \
yq eval -i '.psql-userdb = env(CONNECTION_STRING)' /data/turnserver.yaml && \
{{- else if or (and .Values.externalDatabase.enabled (eq .Values.externalDatabase.type "mysql")) .Values.mysql.enabled }}
export CONNECTION_STRING="host=$DATABASE_HOSTNAME dbname=$DATABASE user=$DATABASE_USER password=$DATABASE_PASS port=3306 connect_timeout=10 read_timeout=10" && \
yq eval -i '.mysql-userdb = env(CONNECTION_STRING)' /data/turnserver.yaml && \
{{- end }}
{{- if or .Values.coturn.auth.staticAuthSecret .Values.coturn.auth.secretKeys.staticAuthSecret }}
yq eval -i '.static-auth-secret = env(STATIC_AUTH_SECRET)' /data/turnserver.yaml && \
sed -i '1i use-auth-secret' /data/turnserver.yaml && \
{{- end }}
sed -i 's/: /=/' /data/turnserver.yaml && \
cat /extra/turnserver.conf >> /data/turnserver.yaml && \
echo '' >> /data/turnserver.yaml && \
echo 'lt-cred-mech' >> /data/turnserver.yaml && \
mv /data/turnserver.yaml /data/turnserver.conf
volumeMounts:
- name: {{ .Release.Name }}-initial-config
mountPath: "/initial"
- name: {{ .Release.Name }}-extra-config
mountPath: /extra
- name: {{ .Release.Name }}-config
mountPath: /data
{{- if .Values.containerSecurityContext.enabled }}
{{- with .Values.containerSecurityContext }}
securityContext:
capabilities:
drop: {{- .capabilities.drop | toYaml | nindent 16 }}
readOnlyRootFilesystem: {{ .readOnlyRootFilesystem }}
allowPrivilegeEscalation: {{ .allowPrivilegeEscalation }}
{{- end }}
{{- end }}
containers:
- name: "coturn"
image: {{ include "coturn.image" . }}
imagePullPolicy: {{ .Values.image.pullPolicy }}
{{- with .Values.coturn.extraEnvVars }}
env:
{{- toYaml . | nindent 12 }}
{{- end }}
args: ["-c", "/turnserver.conf"]
ports:
- name: turn-udp
containerPort: {{ .Values.coturn.ports.listening }}
protocol: UDP
- name: turn-tcp
containerPort: {{ .Values.coturn.ports.listening }}
protocol: TCP
- name: turn-tcp-tls
containerPort: {{ .Values.coturn.ports.tlsListening }}
protocol: TCP
- name: turn-udp-dtls
containerPort: {{ .Values.coturn.ports.tlsListening }}
protocol: UDP
volumeMounts:
- name: {{ .Release.Name }}-config
mountPath: "/turnserver.conf"
subPath: turnserver.conf
readOnly: true
{{- if .Values.certificate.enabled }}
- name: tls
mountPath: /tls
readOnly: true
{{- end }}
- name: var-tmp
mountPath: /var/tmp
{{- if and (not .Values.externalDatabase.enabled) (not .Values.postgresql.enabled) (not .Values.mysql.enabled) }}
- name: sqllite
mountPath: /var/db
{{- end }}
{{- with .Values.resources }}
resources:
{{- toYaml . | nindent 12 }}
{{- end }}
{{- if .Values.containerSecurityContext.enabled }}
{{- with .Values.containerSecurityContext }}
securityContext:
capabilities:
add: {{- .capabilities.add | toYaml | nindent 16 }}
drop: {{- .capabilities.drop | toYaml | nindent 16 }}
readOnlyRootFilesystem: {{ .readOnlyRootFilesystem }}
allowPrivilegeEscalation: {{ .allowPrivilegeEscalation }}
{{- end }}
{{- end }}
volumes:
{{- if .Values.certificate.enabled }}
- name: tls
secret:
secretName: {{ .Values.certificate.secret }}
{{- end }}
- name: {{ .Release.Name }}-initial-config
configMap:
name: {{ .Release.Name }}-initial-config
- name: {{ .Release.Name }}-extra-config
configMap:
name: {{ .Release.Name }}-extra-config
- name: {{ .Release.Name }}-config
emptyDir: {}
- name: var-tmp
emptyDir: {}
{{- if and (not .Values.externalDatabase.enabled) (not .Values.postgresql.enabled) (not .Values.mysql.enabled) }}
- name: sqllite
emptyDir: {}
{{- end }}
{{- end }}
4 changes: 4 additions & 0 deletions charts/coturn/templates/deployment.yaml
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{{- if (eq ((.Values.deployment).type | default "Deployment") "Deployment") }}
apiVersion: apps/v1
kind: Deployment
metadata:
Expand All @@ -16,6 +17,8 @@ spec:
app.kubernetes.io/name: {{ .Release.Name }}-coturn
app.kubernetes.io/instance: {{ .Release.Name }}
spec:
hostNetwork: {{ and .Values.deployment .Values.deployment.hostNetwork }}
dnsPolicy: {{ (.Values.deployment).dnsPolicy | default "ClusterFirst" }}
{{- with .Values.imagePullSecrets }}
imagePullSecrets:
{{- toYaml . | nindent 8 }}
Expand Down Expand Up @@ -293,3 +296,4 @@ spec:
- name: sqllite
emptyDir: {}
{{- end }}
{{- end }}
5 changes: 5 additions & 0 deletions charts/coturn/values.yaml
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Expand Up @@ -3,6 +3,11 @@ replicas: 1

# -- different name for the helm release
nameOverride: ""
deployment:
type: Deployment
hostNetwork: false
# When hostNetwork is set to true, the dnsPolicy must be set to ClusterFirstWithHostNet so Cluster internal services are still resolvable
dnsPolicy: "ClusterFirst"

service:
# -- The type of service to deploy for routing Coturn traffic.
Expand Down