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https://github.com/optim-enterprises-bv/kubernetes.git
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f61590c221
If CIDRAllocatorType is set to `CloudCIDRAllocator`, then allocation of CIDR allocation instead is done by the external cloud provider and the node controller is only responsible for reflecting the allocation into the node spec. - Splits off the rangeAllocator from the cidr_allocator.go file. - Adds cloudCIDRAllocator, which is used when the cloud provider allocates the CIDR ranges externally. (GCE support only) - Updates RBAC permission for node controller to include PATCH
52 lines
1.5 KiB
Go
52 lines
1.5 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package node
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import (
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"errors"
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"net"
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v1 "k8s.io/kubernetes/pkg/api/v1"
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)
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var errCIDRRangeNoCIDRsRemaining = errors.New(
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"CIDR allocation failed; there are no remaining CIDRs left to allocate in the accepted range")
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type nodeAndCIDR struct {
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cidr *net.IPNet
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nodeName string
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}
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// CIDRAllocatorType is the type of the allocator to use.
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type CIDRAllocatorType string
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const (
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RangeAllocatorType CIDRAllocatorType = "RangeAllocator"
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CloudAllocatorType CIDRAllocatorType = "CloudAllocator"
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)
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// CIDRAllocator is an interface implemented by things that know how to
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// allocate/occupy/recycle CIDR for nodes.
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type CIDRAllocator interface {
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// AllocateOrOccupyCIDR looks at the given node, assigns it a valid
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// CIDR if it doesn't currently have one or mark the CIDR as used if
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// the node already have one.
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AllocateOrOccupyCIDR(node *v1.Node) error
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// ReleaseCIDR releases the CIDR of the removed node
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ReleaseCIDR(node *v1.Node) error
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}
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