Merge pull request #2021 from CecileRobertMichon/calico-from-source

Generate calico manifests from source

Author: k8s-ci-robot

Makefile

@@ -387,7 +387,7 @@ generate-manifests: $(CONTROLLER_GEN) ## Generate manifests e.g. CRD, RBAC etc.
 		rbac:roleName=manager-role
 
 .PHONY: generate-flavors ## Generate template flavors
-generate-flavors: $(KUSTOMIZE)
+generate-flavors: $(KUSTOMIZE) generate-addons
 	./hack/gen-flavors.sh
 
 .PHONY: generate-e2e-templates ## Generate Azure infrastructure templates for the v1alpha4 CAPI test suite.
@@ -406,6 +406,8 @@ generate-e2e-templates: $(KUSTOMIZE)
 .PHONY: generate-addons
 generate-addons:
 	$(KUSTOMIZE) build $(ADDONS_DIR)/metrics-server > $(ADDONS_DIR)/metrics-server/metrics-server.yaml
+	$(KUSTOMIZE) build $(ADDONS_DIR)/calico > $(ADDONS_DIR)/calico.yaml
+	$(KUSTOMIZE) build $(ADDONS_DIR)/calico-ipv6 > $(ADDONS_DIR)/calico-ipv6.yaml
 
 ## --------------------------------------
 ## Docker

templates/addons/calico-ipv6.yaml

@@ -0,0 +1,14 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+    - https://docs.projectcalico.org/v3.20/manifests/calico-policy-only.yaml
+patchesStrategicMerge:
+    - patches/azure-mtu.yaml
+patches:
+- target: 
+    group: apps
+    version: v1
+    kind: DaemonSet
+    name: calico-node
+    namespace: kube-system
+  path: patches/calico-node.yaml

templates/addons/calico-ipv6/kustomization.yaml

@@ -0,0 +1,11 @@
+kind: ConfigMap
+apiVersion: v1
+metadata:
+  name: calico-config
+  namespace: kube-system
+data:
+  # On Azure, the underlying network has an MTU of 1400, even though the network interface will have an MTU of 1500.
+  # We set this value to 1350 for “physical network MTU size minus 50” since we use VXLAN, which uses a 50-byte header.
+  # If enabling Wireguard, this value should be changed to 1340 (Wireguard uses a 60-byte header).
+  # https://docs.projectcalico.org/networking/mtu#determine-mtu-size
+  veth_mtu: "1350"

templates/addons/calico-ipv6/patches/azure-mtu.yaml

@@ -0,0 +1,18 @@
+kind: DaemonSet
+apiVersion: apps/v1
+metadata:
+  name: calico-node
+  namespace: kube-system
+spec:
+  template:
+    spec:
+      containers:
+      - name: calico-node
+        env:
+        # https://docs.projectcalico.org/reference/public-cloud/azure#azure-user-defined-routes
+        - name: CALICO_IPv6POOL_CIDR
+          value: "2001:1234:5678:9a40::/58"
+        - name: IP6	
+          value: "autodetect"
+        - name: FELIX_IPV6SUPPORT	
+          value: "true"