Add BGPPolicy API

Signed-off-by: Hongliang Liu <[email protected]>
antrea-io · Apr 10, 2024 · 89dbe7e · 89dbe7e
1 parent 3a66fcf
commit 89dbe7e
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Showing 25 changed files with 1,865 additions and 11 deletions.
diff --git a/build/charts/antrea/conf/antrea-agent.conf b/build/charts/antrea/conf/antrea-agent.conf
@@ -88,6 +88,9 @@ featureGates:
 # Enable L7FlowExporter on Pods and Namespaces to export the application layer flows such as HTTP flows.
 {{- include "featureGate" (dict "featureGates" .Values.featureGates "name" "L7FlowExporter" "default" false) }}
 
+# Allow users to advertise Service IPs, Pod IPs, and Egress IPs to external BGP peers.
+{{- include "featureGate" (dict "featureGates" .Values.featureGates "name" "BGPPolicy" "default" false) }}
+
 # Name of the OpenVSwitch bridge antrea-agent will create and use.
 # Make sure it doesn't conflict with your existing OpenVSwitch bridges.
 ovsBridge: {{ .Values.ovs.bridgeName | quote }}
@@ -440,3 +443,8 @@ secondaryNetwork:
 {{- end }}
 
 {{- end }}
+
+bgpPolicy:
+  # The name of the Secret storing passwords of the BGP peers. For each BGP peer, the Secret key is generated by
+  # concatenating its IP address and AS number, e.g., `192.168.1.1-65521`.
+  secretName: {{ .Values.bgpPolicy.secretName | quote }}
diff --git a/build/charts/antrea/crds/bgppolicy.yaml b/build/charts/antrea/crds/bgppolicy.yaml
@@ -0,0 +1,133 @@
+apiVersion: apiextensions.k8s.io/v1
+kind: CustomResourceDefinition
+metadata:
+  name: bgppolicies.crd.antrea.io
+spec:
+  group: crd.antrea.io
+  versions:
+    - name: v1alpha2
+      served: true
+      storage: true
+      schema:
+        openAPIV3Schema:
+          type: object
+          required:
+            - spec
+          properties:
+            spec:
+              type: object
+              required:
+                - nodeSelector
+                - localASN
+                - advertisements
+                - bgpPeers
+              properties:
+                nodeSelector:
+                  type: object
+                  properties:
+                    matchExpressions:
+                      items:
+                        properties:
+                          key:
+                            type: string
+                          operator:
+                            enum:
+                              - In
+                              - NotIn
+                              - Exists
+                              - DoesNotExist
+                            type: string
+                          values:
+                            items:
+                              type: string
+                              pattern: "^(([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9])?$"
+                            type: array
+                        type: object
+                      type: array
+                    matchLabels:
+                      x-kubernetes-preserve-unknown-fields: true
+                localASN:
+                  type: integer
+                  minimum: 64512
+                  maximum: 65535
+                  format: int32
+                listenPort:
+                  type: integer
+                  minimum: 1
+                  maximum: 65535
+                  format: int32
+                  default: 179
+                advertisements:
+                  type: object
+                  anyOf:
+                    - required: [service]
+                    - required: [pod]
+                    - required: [egress]
+                  properties:
+                    service:
+                      type: object
+                      anyOf:
+                        - required: [ clusterIPs ]
+                        - required: [ externalIPs ]
+                        - required: [ loadBalancerIPs ]
+                      properties:
+                        clusterIPs:
+                          type: boolean
+                          default: false
+                        externalIPs:
+                          type: boolean
+                          default: false
+                        loadBalancerIPs:
+                          type: boolean
+                          default: false
+                    pod:
+                      type: object
+                      properties: {}
+                    egress:
+                      type: object
+                      properties: {}
+                bgpPeers:
+                  type: array
+                  items:
+                    type: object
+                    required:
+                      - address
+                      - asn
+                    properties:
+                      address:
+                        type: string
+                        format: cidr
+                      port:
+                        type: integer
+                        default: 179
+                        format: int32
+                        minimum: 1
+                        maximum: 65535
+                      asn:
+                        type: integer
+                        minimum: 1
+                        maximum: 65535
+                        format: int32
+                      gracefulRestartTime:
+                        type: integer
+                        default: 120
+                        format: int32
+                        minimum: 1
+                        maximum: 3600
+      additionalPrinterColumns:
+        - description: Local BGP ASN.
+          jsonPath: .spec.localASN
+          name: Local ASN
+          type: integer
+        - jsonPath: .metadata.creationTimestamp
+          name: Age
+          type: date
+      subresources:
+        status: {}
+  scope: Cluster
+  names:
+    plural: bgppolicies
+    singular: bgppolicy
+    kind: BGPPolicy
+    shortNames:
+      - bp
diff --git a/build/charts/antrea/templates/agent/bgp-secret.yaml b/build/charts/antrea/templates/agent/bgp-secret.yaml
@@ -0,0 +1,6 @@
+apiVersion: v1
+kind: Secret
+metadata:
+  name: {{ .Values.bgpPolicy.secretName }}
+  namespace: {{ .Release.Namespace }}
+type: Opaque
diff --git a/build/charts/antrea/templates/agent/clusterrole.yaml b/build/charts/antrea/templates/agent/clusterrole.yaml
@@ -227,3 +227,12 @@ rules:
       - create
       - patch
       - update
+  - apiGroups:
+      - ""
+    resources:
+      - secrets
+    resourceNames:
+      - {{ .Values.bgpPolicy.secretName }}
+    verbs:
+      - get
+      - watch
diff --git a/build/charts/antrea/values.yaml b/build/charts/antrea/values.yaml
@@ -207,6 +207,10 @@ secondaryNetwork:
   # [{bridgeName: "br1", physicalInterfaces: ["eth1"]}]
   ovsBridges: []
 
+bgpPolicy:
+  # -- The name of the Secret storing the passwords of BGP peers.
+  secretName: "antrea-bgp-passwords"
+
 agent:
   # -- Port for the antrea-agent APIServer to serve on.
   apiPort: 10350

diff --git a/build/yamls/antrea-aks.yml b/build/yamls/antrea-aks.yml
@@ -300,6 +300,142 @@ spec:
     shortNames:
       - aci
 
+---
+# Source: crds/bgppolicy.yaml
+apiVersion: apiextensions.k8s.io/v1
+kind: CustomResourceDefinition
+metadata:
+  name: bgppolicies.crd.antrea.io
+spec:
+  group: crd.antrea.io
+  versions:
+    - name: v1alpha2
+      served: true
+      storage: true
+      schema:
+        openAPIV3Schema:
+          type: object
+          required:
+            - spec
+          properties:
+            spec:
+              type: object
+              required:
+                - nodeSelector
+                - localASN
+                - advertisements
+                - bgpPeers
+              properties:
+                nodeSelector:
+                  type: object
+                  properties:
+                    matchExpressions:
+                      items:
+                        properties:
+                          key:
+                            type: string
+                          operator:
+                            enum:
+                              - In
+                              - NotIn
+                              - Exists
+                              - DoesNotExist
+                            type: string
+                          values:
+                            items:
+                              type: string
+                              pattern: "^(([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9])?$"
+                            type: array
+                        type: object
+                      type: array
+                    matchLabels:
+                      x-kubernetes-preserve-unknown-fields: true
+                localASN:
+                  type: integer
+                  minimum: 64512
+                  maximum: 65535
+                  format: int32
+                listenPort:
+                  type: integer
+                  minimum: 1
+                  maximum: 65535
+                  format: int32
+                  default: 179
+                advertisements:
+                  type: object
+                  anyOf:
+                    - required: [service]
+                    - required: [pod]
+                    - required: [egress]
+                  properties:
+                    service:
+                      type: object
+                      anyOf:
+                        - required: [ clusterIPs ]
+                        - required: [ externalIPs ]
+                        - required: [ loadBalancerIPs ]
+                      properties:
+                        clusterIPs:
+                          type: boolean
+                          default: false
+                        externalIPs:
+                          type: boolean
+                          default: false
+                        loadBalancerIPs:
+                          type: boolean
+                          default: false
+                    pod:
+                      type: object
+                      properties: {}
+                    egress:
+                      type: object
+                      properties: {}
+                bgpPeers:
+                  type: array
+                  items:
+                    type: object
+                    required:
+                      - address
+                      - asn
+                    properties:
+                      address:
+                        type: string
+                        format: cidr
+                      port:
+                        type: integer
+                        default: 179
+                        format: int32
+                        minimum: 1
+                        maximum: 65535
+                      asn:
+                        type: integer
+                        minimum: 1
+                        maximum: 65535
+                        format: int32
+                      gracefulRestartTime:
+                        type: integer
+                        default: 120
+                        format: int32
+                        minimum: 1
+                        maximum: 3600
+      additionalPrinterColumns:
+        - description: Local BGP ASN.
+          jsonPath: .spec.localASN
+          name: Local ASN
+          type: integer
+        - jsonPath: .metadata.creationTimestamp
+          name: Age
+          type: date
+      subresources:
+        status: {}
+  scope: Cluster
+  names:
+    plural: bgppolicies
+    singular: bgppolicy
+    kind: BGPPolicy
+    shortNames:
+      - bp
+
 ---
 # Source: crds/clustergroup.yaml
 apiVersion: apiextensions.k8s.io/v1
@@ -5394,6 +5530,14 @@ metadata:
   labels:
     app: antrea
 ---
+# Source: antrea/templates/agent/bgp-secret.yaml
+apiVersion: v1
+kind: Secret
+metadata:
+  name: antrea-bgp-passwords
+  namespace: kube-system
+type: Opaque
+---
 # Source: antrea/templates/agent/secret.yaml
 apiVersion: v1
 kind: Secret
@@ -5514,6 +5658,9 @@ data:
     # Enable L7FlowExporter on Pods and Namespaces to export the application layer flows such as HTTP flows.
     #  L7FlowExporter: false
 
+    # Allow users to advertise Service IPs, Pod IPs, and Egress IPs to external BGP peers.
+    #  BGPPolicy: false
+
     # Name of the OpenVSwitch bridge antrea-agent will create and use.
     # Make sure it doesn't conflict with your existing OpenVSwitch bridges.
     ovsBridge: "br-int"
@@ -5822,6 +5969,11 @@ data:
       maxAge: 28
       # Compress enables gzip compression on rotated files.
       compress: true
+
+    bgpPolicy:
+      # The name of the Secret storing passwords of the BGP peers. For each BGP peer, the Secret key is generated by
+      # concatenating its IP address and AS number, e.g., `192.168.1.1-65521`.
+      secretName: "antrea-bgp-passwords"
   antrea-cni.conflist: |
     {
         "cniVersion":"0.3.0",
@@ -6202,6 +6354,15 @@ rules:
       - create
       - patch
       - update
+  - apiGroups:
+      - ""
+    resources:
+      - secrets
+    resourceNames:
+      - antrea-bgp-passwords
+    verbs:
+      - get
+      - watch
 ---
 # Source: antrea/templates/antctl/clusterrole.yaml
 kind: ClusterRole
@@ -6810,7 +6971,7 @@ spec:
         kubectl.kubernetes.io/default-container: antrea-agent
         # Automatically restart Pods with a RollingUpdate if the ConfigMap changes
         # See https://helm.sh/docs/howto/charts_tips_and_tricks/#automatically-roll-deployments
-        checksum/config: 30843b57762c91dfcffb560917191e3bc7e662c06552759bac2a173bc060b82c
+        checksum/config: 74ddfec8614bd39885fdd52a27201ae8f1dbe3eccacae3f3e8be2a4ca1685cf1
       labels:
         app: antrea
         component: antrea-agent
@@ -7048,7 +7209,7 @@ spec:
       annotations:
         # Automatically restart Pod if the ConfigMap changes
         # See https://helm.sh/docs/howto/charts_tips_and_tricks/#automatically-roll-deployments
-        checksum/config: 30843b57762c91dfcffb560917191e3bc7e662c06552759bac2a173bc060b82c
+        checksum/config: 74ddfec8614bd39885fdd52a27201ae8f1dbe3eccacae3f3e8be2a4ca1685cf1
       labels:
         app: antrea
         component: antrea-controller