kubespray/roles/kubernetes-apps/metallb/templates/metallb.yml.j2

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apiVersion: v1
kind: Namespace
metadata:
name: metallb-system
labels:
app: metallb
---
apiVersion: policy/v1beta1
kind: PodSecurityPolicy
metadata:
labels:
app: metallb
name: controller
spec:
allowPrivilegeEscalation: false
allowedCapabilities: []
allowedHostPaths: []
defaultAddCapabilities: []
defaultAllowPrivilegeEscalation: false
fsGroup:
ranges:
- max: 65535
min: 1
rule: MustRunAs
hostIPC: false
hostNetwork: false
hostPID: false
privileged: false
readOnlyRootFilesystem: true
requiredDropCapabilities:
- ALL
runAsUser:
rule: MustRunAsNonRoot
seLinux:
rule: RunAsAny
supplementalGroups:
ranges:
- max: 65535
min: 1
rule: MustRunAs
volumes:
- configMap
- secret
- emptyDir
---
{% if metallb_speaker_enabled %}
apiVersion: policy/v1beta1
kind: PodSecurityPolicy
metadata:
labels:
app: metallb
name: speaker
spec:
allowPrivilegeEscalation: false
allowedCapabilities:
- NET_RAW
allowedHostPaths: []
defaultAddCapabilities: []
defaultAllowPrivilegeEscalation: false
fsGroup:
rule: RunAsAny
hostIPC: false
hostNetwork: true
hostPID: false
hostPorts:
- max: {{ metallb_port }}
min: {{ metallb_port }}
- max: {{ metallb_memberlist_port }}
min: {{ metallb_memberlist_port }}
privileged: true
readOnlyRootFilesystem: true
requiredDropCapabilities:
- ALL
runAsUser:
rule: RunAsAny
seLinux:
rule: RunAsAny
supplementalGroups:
rule: RunAsAny
volumes:
- configMap
- secret
- emptyDir
{% endif %}
---
apiVersion: v1
kind: ServiceAccount
metadata:
labels:
app: metallb
name: controller
namespace: metallb-system
---
{% if metallb_speaker_enabled %}
apiVersion: v1
kind: ServiceAccount
metadata:
labels:
app: metallb
name: speaker
namespace: metallb-system
{% endif %}
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
labels:
app: metallb
name: metallb-system:controller
rules:
- apiGroups:
- ''
resources:
- services
verbs:
- get
- list
- watch
- apiGroups:
- ''
resources:
- services/status
verbs:
- update
- apiGroups:
- ''
resources:
- events
verbs:
- create
- patch
- apiGroups:
- policy
resourceNames:
- controller
resources:
- podsecuritypolicies
verbs:
- use
---
{% if metallb_speaker_enabled %}
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
labels:
app: metallb
name: metallb-system:speaker
rules:
- apiGroups:
- ''
resources:
- services
- endpoints
- nodes
verbs:
- get
- list
- watch
- apiGroups: ["discovery.k8s.io"]
resources:
- endpointslices
verbs:
- get
- list
- watch
- apiGroups:
- ''
resources:
- events
verbs:
- create
- patch
- apiGroups:
- policy
resourceNames:
- speaker
resources:
- podsecuritypolicies
verbs:
- use
{% endif %}
---
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
labels:
app: metallb
name: config-watcher
namespace: metallb-system
rules:
- apiGroups:
- ''
resources:
- configmaps
verbs:
- get
- list
- watch
---
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
labels:
app: metallb
name: pod-lister
namespace: metallb-system
rules:
- apiGroups:
- ''
resources:
- pods
verbs:
- list
---
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
labels:
app: metallb
name: controller
namespace: metallb-system
rules:
- apiGroups:
- ''
resources:
- secrets
verbs:
- create
- apiGroups:
- ''
resources:
- secrets
resourceNames:
- memberlist
verbs:
- list
- apiGroups:
- apps
resources:
- deployments
resourceNames:
- controller
verbs:
- get
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
labels:
app: metallb
name: metallb-system:controller
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
name: metallb-system:controller
subjects:
- kind: ServiceAccount
name: controller
namespace: metallb-system
---
{% if metallb_speaker_enabled %}
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
labels:
app: metallb
name: metallb-system:speaker
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
name: metallb-system:speaker
subjects:
- kind: ServiceAccount
name: speaker
namespace: metallb-system
{% endif %}
---
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
labels:
app: metallb
name: config-watcher
namespace: metallb-system
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: Role
name: config-watcher
subjects:
- kind: ServiceAccount
name: controller
- kind: ServiceAccount
name: speaker
---
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
labels:
app: metallb
name: pod-lister
namespace: metallb-system
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: Role
name: pod-lister
subjects:
- kind: ServiceAccount
name: speaker
---
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
labels:
app: metallb
name: controller
namespace: metallb-system
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: Role
name: controller
subjects:
- kind: ServiceAccount
name: controller
---
{% if metallb_speaker_enabled %}
apiVersion: apps/v1
kind: DaemonSet
metadata:
labels:
app: metallb
component: speaker
name: speaker
namespace: metallb-system
spec:
selector:
matchLabels:
app: metallb
component: speaker
template:
metadata:
annotations:
prometheus.io/port: '{{ metallb_port }}'
prometheus.io/scrape: 'true'
labels:
app: metallb
component: speaker
spec:
containers:
- args:
- --port={{ metallb_port }}
- --config=config
- --log-level={{ metallb_log_level }}
env:
- name: METALLB_NODE_NAME
valueFrom:
fieldRef:
fieldPath: spec.nodeName
- name: METALLB_HOST
valueFrom:
fieldRef:
fieldPath: status.hostIP
- name: METALLB_ML_BIND_ADDR
valueFrom:
fieldRef:
fieldPath: status.podIP
# needed when another software is also using memberlist / port 7946
# when changing this default you also need to update the container ports definition
# and the PodSecurityPolicy hostPorts definition
#- name: METALLB_ML_BIND_PORT
# value: "{{ metallb_memberlist_port }}"
- name: METALLB_ML_LABELS
value: "app=metallb,component=speaker"
- name: METALLB_ML_SECRET_KEY
valueFrom:
secretKeyRef:
name: memberlist
key: secretkey
image: {{ metallb_speaker_image_repo }}:{{ metallb_version }}
name: speaker
ports:
- containerPort: {{ metallb_port }}
name: monitoring
- containerPort: {{ metallb_memberlist_port }}
name: memberlist-tcp
- containerPort: {{ metallb_memberlist_port }}
name: memberlist-udp
protocol: UDP
livenessProbe:
httpGet:
path: /metrics
port: monitoring
initialDelaySeconds: 10
periodSeconds: 10
timeoutSeconds: 1
successThreshold: 1
failureThreshold: 3
readinessProbe:
httpGet:
path: /metrics
port: monitoring
initialDelaySeconds: 10
periodSeconds: 10
timeoutSeconds: 1
successThreshold: 1
failureThreshold: 3
securityContext:
allowPrivilegeEscalation: false
capabilities:
add:
- NET_RAW
drop:
- ALL
readOnlyRootFilesystem: true
hostNetwork: true
{% if metallb_speaker_nodeselector %}
nodeSelector:
{{ metallb_speaker_nodeselector | to_nice_yaml | indent(width=8) }}
{%- endif %}
serviceAccountName: speaker
terminationGracePeriodSeconds: 2
{% if metallb_speaker_tolerations %}
tolerations:
{{ metallb_speaker_tolerations | to_nice_yaml(indent=2) | indent(width=8) }}
{% endif %}
{% endif %}
---
apiVersion: apps/v1
kind: Deployment
metadata:
labels:
app: metallb
component: controller
name: controller
namespace: metallb-system
spec:
revisionHistoryLimit: 3
selector:
matchLabels:
app: metallb
component: controller
template:
metadata:
annotations:
prometheus.io/port: '{{ metallb_port }}'
prometheus.io/scrape: 'true'
labels:
app: metallb
component: controller
spec:
priorityClassName: system-cluster-critical
{% if metallb_controller_tolerations %}
tolerations:
{{ metallb_controller_tolerations | to_nice_yaml(indent=2) | indent(width=8) }}
{% endif %}
containers:
- args:
- --port={{ metallb_port }}
- --config=config
- --log-level={{ metallb_log_level }}
env:
- name: METALLB_ML_SECRET_NAME
value: memberlist
- name: METALLB_DEPLOYMENT
value: controller
image: {{ metallb_controller_image_repo }}:{{ metallb_version }}
name: controller
ports:
- containerPort: {{ metallb_port }}
name: monitoring
securityContext:
allowPrivilegeEscalation: false
capabilities:
drop:
- all
readOnlyRootFilesystem: true
livenessProbe:
httpGet:
path: /metrics
port: monitoring
initialDelaySeconds: 10
periodSeconds: 10
timeoutSeconds: 1
successThreshold: 1
failureThreshold: 3
readinessProbe:
httpGet:
path: /metrics
port: monitoring
initialDelaySeconds: 10
periodSeconds: 10
timeoutSeconds: 1
successThreshold: 1
failureThreshold: 3
{% if metallb_controller_nodeselector %}
nodeSelector:
{{ metallb_controller_nodeselector | to_nice_yaml | indent(width=8) }}
{%- endif %}
securityContext:
runAsNonRoot: true
runAsUser: 65534
fsGroup: 65534
serviceAccountName: controller
terminationGracePeriodSeconds: 0