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cassandra_manifests.go
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cassandra_manifests.go
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/*
Copyright 2018 The Rook Authors. 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 installer
import (
"fmt"
cassandrav1alpha1 "github.com/rook/rook/pkg/apis/cassandra.rook.io/v1alpha1"
)
type CassandraManifests struct{}
func (i *CassandraManifests) GetCassandraCRDs() string {
return `apiVersion: apiextensions.k8s.io/v1beta1
kind: CustomResourceDefinition
metadata:
name: clusters.cassandra.rook.io
spec:
group: cassandra.rook.io
names:
kind: Cluster
listKind: ClusterList
plural: clusters
singular: cluster
scope: Namespaced
version: v1alpha1`
}
func (i *CassandraManifests) GetCassandraOperator(namespace string) string {
return fmt.Sprintf(`
# Namespace where Cassandra Operator will live
apiVersion: v1
kind: Namespace
metadata:
name: %[1]s
---
# ClusterRole for cassandra-operator.
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
name: rook-cassandra-operator
rules:
- apiGroups:
- ""
resources:
- pods
verbs:
- get
- list
- watch
- delete
- apiGroups:
- ""
resources:
- services
- serviceaccounts
verbs:
- get
- list
- watch
- create
- apiGroups:
- ""
resources:
- persistentvolumes
- persistentvolumeclaims
verbs:
- get
- delete
- apiGroups:
- ""
resources:
- nodes
verbs:
- get
- apiGroups:
- apps
resources:
- statefulsets
verbs:
- "*"
- apiGroups:
- policy
resources:
- poddisruptionbudgets
verbs:
- create
- apiGroups:
- cassandra.rook.io
resources:
- "*"
verbs:
- "*"
- apiGroups:
- ""
resources:
- events
verbs:
- create
- update
- patch
---
# ServiceAccount for cassandra-operator. Serves as its authorization identity.
apiVersion: v1
kind: ServiceAccount
metadata:
name: rook-cassandra-operator
namespace: %[1]s
---
# Bind cassandra-operator ServiceAccount with ClusterRole.
kind: ClusterRoleBinding
apiVersion: rbac.authorization.k8s.io/v1
metadata:
name: rook-cassandra-operator
namespace: %[1]s
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
name: rook-cassandra-operator
subjects:
- kind: ServiceAccount
name: rook-cassandra-operator
namespace: %[1]s
---
# cassandra-operator StatefulSet.
apiVersion: apps/v1
kind: StatefulSet
metadata:
name: rook-cassandra-operator
namespace: %[1]s
spec:
replicas: 1
serviceName: "non-existent-service"
selector:
matchLabels:
app: rook-cassandra-operator
template:
metadata:
labels:
app: rook-cassandra-operator
spec:
serviceAccountName: rook-cassandra-operator
containers:
- name: rook-cassandra-operator
image: rook/cassandra:master
imagePullPolicy: "IfNotPresent"
args: ["cassandra", "operator"]
env:
- name: POD_NAME
valueFrom:
fieldRef:
fieldPath: metadata.name
- name: POD_NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
`, namespace)
}
func (i *CassandraManifests) GetCassandraCluster(namespace string, count int, mode cassandrav1alpha1.ClusterMode) string {
var version string
if mode == cassandrav1alpha1.ClusterModeScylla {
version = "2.3.0"
} else {
version = "3.11.1"
}
return fmt.Sprintf(`
# Namespace for cassandra cluster
apiVersion: v1
kind: Namespace
metadata:
name: %[1]s
---
# Role for cassandra members.
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
name: %[1]s-member
namespace: %[1]s
rules:
- apiGroups:
- ""
resources:
- pods
verbs:
- get
- apiGroups:
- ""
resources:
- services
verbs:
- get
- list
- apiGroups:
- cassandra.rook.io
resources:
- clusters
verbs:
- get
---
# ServiceAccount for cassandra members.
apiVersion: v1
kind: ServiceAccount
metadata:
name: %[1]s-member
namespace: %[1]s
---
# RoleBinding for cassandra members.
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
name: %[1]s-member
namespace: %[1]s
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: Role
name: %[1]s-member
subjects:
- kind: ServiceAccount
name: %[1]s-member
namespace: %[1]s
---
# Cassandra Cluster
apiVersion: cassandra.rook.io/v1alpha1
kind: Cluster
metadata:
name: %[1]s
namespace: %[1]s
spec:
version: %[4]s
mode: %[3]s
datacenter:
name: "us-east-1"
racks:
- name: "us-east-1a"
members: %[2]d
storage:
volumeClaimTemplates:
- metadata:
name: %[1]s-data
spec:
resources:
requests:
storage: 5Gi
resources:
requests:
cpu: 1
memory: 2Gi
limits:
cpu: 1
memory: 2Gi
`, namespace, count, mode, version)
}