forked from rook/rook
96 lines
3.5 KiB
Go
96 lines
3.5 KiB
Go
/*
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Copyright 2016 The Rook Authors. All rights reserved.
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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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Some of the code below came from https://github.com/coreos/etcd-operator
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which also has the apache 2.0 license.
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*/
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// Package cluster to manage a rook cluster.
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package cluster
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import (
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"github.com/rook/rook/pkg/operator/k8sutil"
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"github.com/rook/rook/pkg/operator/osd"
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)
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// Spec for the cluster
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type Spec struct {
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// VersionTag is the expected version of the rook container to run in the cluster.
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// The operator will eventually make the rook cluster version
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// equal to the expected version.
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VersionTag string `json:"versionTag"`
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// Paused is to pause the control of the operator for the rook cluster.
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Paused bool `json:"paused,omitempty"`
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// The path on the host where config and data can be persisted.
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DataDirHostPath string `json:"dataDirHostPath"`
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// The placement-related configuration to pass to kubernetes (affinity, node selector, tolerations).
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Placement PlacementSpec `json:"placement,omitempty"`
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// A spec for available storage in the cluster and how it should be used
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Storage osd.StorageSpec `json:"storage"`
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}
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// PoolSpec is the specific spec for the redundancy
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type PoolSpec struct {
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// The replication settings
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Replication ReplicationSpec `json:"replication"`
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// The erasure code setteings
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ErasureCoding ErasureCodeSpec `json:"erasureCode"`
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}
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// ReplicationSpec specifies the number of replicas
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type ReplicationSpec struct {
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// Number of copies per object in a replicated storage pool, including the object itself (required for replicated pool type)
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Size uint `json:"size"`
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}
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// ErasureCodeSpec specifies the erasure coding params
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type ErasureCodeSpec struct {
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// Number of coding chunks per object in an erasure coded storage pool (required for erasure-coded pool type)
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CodingChunks uint `json:"codingChunks"`
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// Number of data chunks per object in an erasure coded storage pool (required for erasure-coded pool type)
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DataChunks uint `json:"dataChunks"`
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}
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// PlacementSpec is a set of Placement configurations for the rook cluster.
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type PlacementSpec struct {
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All k8sutil.Placement `json:"all,omitempty"`
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API k8sutil.Placement `json:"api,omitempty"`
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MDS k8sutil.Placement `json:"mds,omitempty"`
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MON k8sutil.Placement `json:"mon,omitempty"`
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OSD k8sutil.Placement `json:"osd,omitempty"`
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RGW k8sutil.Placement `json:"rgw,omitempty"`
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}
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// GetAPI returns the placement for the API service
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func (p PlacementSpec) GetAPI() k8sutil.Placement { return p.All.Merge(p.API) }
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// GetMDS returns the placement for the MDS service
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func (p PlacementSpec) GetMDS() k8sutil.Placement { return p.All.Merge(p.MDS) }
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// GetMON returns the placement for the MON service
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func (p PlacementSpec) GetMON() k8sutil.Placement { return p.All.Merge(p.MON) }
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// GetOSD returns the placement for the OSD service
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func (p PlacementSpec) GetOSD() k8sutil.Placement { return p.All.Merge(p.OSD) }
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// GetRGW returns the placement for the RGW service
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func (p PlacementSpec) GetRGW() k8sutil.Placement { return p.All.Merge(p.RGW) }
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