implement ippool

1. support vlan ippool management
2. support calico ippool management

Signed-off-by: Duan Jiong <djduanjiong@gmail.com>

pkg/apis/network/calicov3/block_affinity_types.go

@@ -0,0 +1,41 @@
+// Copyright (c) 2019-2020 Tigera, Inc. All rights reserved.
+
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package calicov3
+
+import (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	v3 "github.com/projectcalico/libcalico-go/lib/apis/v3"
+)
+
+// +genclient
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+// +genclient:nonNamespaced
+// +k8s:openapi-gen=true
+// +kubebuilder:resource:scope=Cluster
+type BlockAffinity struct {
+	metav1.TypeMeta   `json:",inline"`
+	metav1.ObjectMeta `json:"metadata,omitempty"`
+	Spec              v3.BlockAffinitySpec `json:"spec,omitempty"`
+}
+
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
+// BlockAffinityList contains a list of BlockAffinity resources.
+type BlockAffinityList struct {
+	metav1.TypeMeta `json:",inline"`
+	metav1.ListMeta `json:"metadata"`
+	Items           []BlockAffinity `json:"items"`
+}

pkg/apis/network/calicov3/doc.go

@@ -0,0 +1,4 @@
+// API Schema definitions for configuring the installation of Calico and Calico Enterprise
+// +k8s:deepcopy-gen=package,register
+// +groupName=crd.projectcalico.org
+package calicov3

pkg/apis/network/calicov3/ipamblock_types.go

@@ -0,0 +1,85 @@
+// Copyright (c) 2019-2020 Tigera, Inc. All rights reserved.
+
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package calicov3
+
+import (
+	v3 "github.com/projectcalico/libcalico-go/lib/apis/v3"
+	cnet "github.com/projectcalico/libcalico-go/lib/net"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"strings"
+)
+
+// +genclient
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+// +genclient:nonNamespaced
+// +k8s:openapi-gen=true
+// +kubebuilder:resource:scope=Cluster
+type IPAMBlock struct {
+	metav1.TypeMeta   `json:",inline"`
+	metav1.ObjectMeta `json:"metadata,omitempty"`
+	Spec              v3.IPAMBlockSpec `json:"spec,omitempty"`
+}
+
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
+// IPAMBlockList contains a list of IPAMBlock resources.
+type IPAMBlockList struct {
+	metav1.TypeMeta `json:",inline"`
+	metav1.ListMeta `json:"metadata"`
+	Items           []IPAMBlock `json:"items"`
+}
+
+func (b *IPAMBlock) NumReservedAddresses() int {
+	sum := 0
+	for _, attrIdx := range b.Spec.Allocations {
+		if attrIdx == nil {
+			continue
+		}
+		attrs := b.Spec.Attributes[*attrIdx]
+		if attrs.AttrPrimary == nil || strings.ToLower(*attrs.AttrPrimary) == WindowsReservedHandle {
+			sum += 1
+		}
+	}
+	return sum
+}
+
+// Get number of addresses covered by the block
+func (b *IPAMBlock) NumAddresses() int {
+	_, cidr, _ := cnet.ParseCIDR(b.Spec.CIDR)
+	ones, size := cidr.Mask.Size()
+	numAddresses := 1 << uint(size-ones)
+	return numAddresses
+}
+
+func (b *IPAMBlock) NumFreeAddresses() int {
+	return len(b.Spec.Unallocated)
+}
+
+// windwowsReservedHandle is the handle used to reserve addresses required for Windows
+// networking so that workloads do not get assigned these addresses.
+const WindowsReservedHandle = "windows-reserved-ipam-handle"
+
+func (b *IPAMBlock) Empty() bool {
+	for _, attrIdx := range b.Spec.Allocations {
+		if attrIdx == nil {
+			continue
+		}
+		attrs := b.Spec.Attributes[*attrIdx]
+		if attrs.AttrPrimary == nil || strings.ToLower(*attrs.AttrPrimary) != WindowsReservedHandle {
+			return false
+		}
+	}
+	return true
+}

pkg/apis/network/calicov3/ippool_types.go

@@ -0,0 +1,49 @@
+// Copyright (c) 2017-2020 Tigera, Inc. All rights reserved.
+
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package calicov3
+
+import (
+	cnet "github.com/projectcalico/libcalico-go/lib/net"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	v3 "github.com/projectcalico/libcalico-go/lib/apis/v3"
+)
+
+// +genclient
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+// +genclient:nonNamespaced
+// +k8s:openapi-gen=true
+// +kubebuilder:resource:scope=Cluster
+type IPPool struct {
+	metav1.TypeMeta   `json:",inline"`
+	metav1.ObjectMeta `json:"metadata,omitempty"`
+	Spec              v3.IPPoolSpec `json:"spec,omitempty"`
+}
+
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
+// IPPoolList contains a list of IPPool resources.
+type IPPoolList struct {
+	metav1.TypeMeta `json:",inline"`
+	metav1.ListMeta `json:"metadata"`
+	Items           []IPPool `json:"items"`
+}
+
+func (p IPPool) NumAddresses() int {
+	_, cidr, _ := cnet.ParseCIDR(p.Spec.CIDR)
+	ones, size := cidr.Mask.Size()
+	numAddresses := 1 << uint(size-ones)
+	return numAddresses
+}

pkg/apis/network/calicov3/register.go

@@ -0,0 +1,42 @@
+// Copyright (c) 2016-2017 Tigera, Inc. All rights reserved.
+
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package calicov3
+
+import (
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"sigs.k8s.io/controller-runtime/pkg/runtime/scheme"
+)
+
+var (
+	// SchemeGroupVersion is group version used to register these objects
+	SchemeGroupVersion = schema.GroupVersion{Group: "crd.projectcalico.org", Version: "v1"}
+
+	// SchemeBuilder is used to add go types to the GroupVersionKind scheme
+	SchemeBuilder = &scheme.Builder{GroupVersion: SchemeGroupVersion}
+
+	// AddToScheme is required by pkg/client/...
+	AddToScheme = SchemeBuilder.AddToScheme
+)
+
+func init() {
+	SchemeBuilder.Register(&BlockAffinity{}, &BlockAffinityList{})
+	SchemeBuilder.Register(&IPAMBlock{}, &IPAMBlockList{})
+	SchemeBuilder.Register(&IPPool{}, &IPPoolList{})
+}
+
+// Resource is required by pkg/client/listers/...
+func Resource(resource string) schema.GroupResource {
+	return SchemeGroupVersion.WithResource(resource).GroupResource()
+}

pkg/apis/network/calicov3/zz_generated.deepcopy.go

@@ -0,0 +1,205 @@
+// +build !ignore_autogenerated
+
+/*
+Copyright 2020 The KubeSphere Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by deepcopy-gen. DO NOT EDIT.
+
+package calicov3
+
+import (
+	runtime "k8s.io/apimachinery/pkg/runtime"
+)
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *BlockAffinity) DeepCopyInto(out *BlockAffinity) {
+	*out = *in
+	out.TypeMeta = in.TypeMeta
+	in.ObjectMeta.DeepCopyInto(&out.ObjectMeta)
+	out.Spec = in.Spec
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new BlockAffinity.
+func (in *BlockAffinity) DeepCopy() *BlockAffinity {
+	if in == nil {
+		return nil
+	}
+	out := new(BlockAffinity)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
+func (in *BlockAffinity) DeepCopyObject() runtime.Object {
+	if c := in.DeepCopy(); c != nil {
+		return c
+	}
+	return nil
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *BlockAffinityList) DeepCopyInto(out *BlockAffinityList) {
+	*out = *in
+	out.TypeMeta = in.TypeMeta
+	in.ListMeta.DeepCopyInto(&out.ListMeta)
+	if in.Items != nil {
+		in, out := &in.Items, &out.Items
+		*out = make([]BlockAffinity, len(*in))
+		for i := range *in {
+			(*in)[i].DeepCopyInto(&(*out)[i])
+		}
+	}
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new BlockAffinityList.
+func (in *BlockAffinityList) DeepCopy() *BlockAffinityList {
+	if in == nil {
+		return nil
+	}
+	out := new(BlockAffinityList)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
+func (in *BlockAffinityList) DeepCopyObject() runtime.Object {
+	if c := in.DeepCopy(); c != nil {
+		return c
+	}
+	return nil
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *IPAMBlock) DeepCopyInto(out *IPAMBlock) {
+	*out = *in
+	out.TypeMeta = in.TypeMeta
+	in.ObjectMeta.DeepCopyInto(&out.ObjectMeta)
+	in.Spec.DeepCopyInto(&out.Spec)
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new IPAMBlock.
+func (in *IPAMBlock) DeepCopy() *IPAMBlock {
+	if in == nil {
+		return nil
+	}
+	out := new(IPAMBlock)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
+func (in *IPAMBlock) DeepCopyObject() runtime.Object {
+	if c := in.DeepCopy(); c != nil {
+		return c
+	}
+	return nil
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *IPAMBlockList) DeepCopyInto(out *IPAMBlockList) {
+	*out = *in
+	out.TypeMeta = in.TypeMeta
+	in.ListMeta.DeepCopyInto(&out.ListMeta)
+	if in.Items != nil {
+		in, out := &in.Items, &out.Items
+		*out = make([]IPAMBlock, len(*in))
+		for i := range *in {
+			(*in)[i].DeepCopyInto(&(*out)[i])
+		}
+	}
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new IPAMBlockList.
+func (in *IPAMBlockList) DeepCopy() *IPAMBlockList {
+	if in == nil {
+		return nil
+	}
+	out := new(IPAMBlockList)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
+func (in *IPAMBlockList) DeepCopyObject() runtime.Object {
+	if c := in.DeepCopy(); c != nil {
+		return c
+	}
+	return nil
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *IPPool) DeepCopyInto(out *IPPool) {
+	*out = *in
+	out.TypeMeta = in.TypeMeta
+	in.ObjectMeta.DeepCopyInto(&out.ObjectMeta)
+	in.Spec.DeepCopyInto(&out.Spec)
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new IPPool.
+func (in *IPPool) DeepCopy() *IPPool {
+	if in == nil {
+		return nil
+	}
+	out := new(IPPool)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
+func (in *IPPool) DeepCopyObject() runtime.Object {
+	if c := in.DeepCopy(); c != nil {
+		return c
+	}
+	return nil
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *IPPoolList) DeepCopyInto(out *IPPoolList) {
+	*out = *in
+	out.TypeMeta = in.TypeMeta
+	in.ListMeta.DeepCopyInto(&out.ListMeta)
+	if in.Items != nil {
+		in, out := &in.Items, &out.Items
+		*out = make([]IPPool, len(*in))
+		for i := range *in {
+			(*in)[i].DeepCopyInto(&(*out)[i])
+		}
+	}
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new IPPoolList.
+func (in *IPPoolList) DeepCopy() *IPPoolList {
+	if in == nil {
+		return nil
+	}
+	out := new(IPPoolList)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
+func (in *IPPoolList) DeepCopyObject() runtime.Object {
+	if c := in.DeepCopy(); c != nil {
+		return c
+	}
+	return nil
+}