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Signed-off-by: Tapajit Chandra Paul <[email protected]>
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| /* | ||
| Copyright AppsCode Inc. and Contributors | ||
| 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 druid | ||
|
|
||
| import ( | ||
| "context" | ||
| "errors" | ||
| "fmt" | ||
| druidgo "github.com/grafadruid/go-druid" | ||
| kerr "k8s.io/apimachinery/pkg/api/errors" | ||
|
|
||
| olddbapi "kubedb.dev/apimachinery/apis/kubedb/v1alpha2" | ||
|
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| _ "github.com/lib/pq" | ||
| core "k8s.io/api/core/v1" | ||
| "k8s.io/apimachinery/pkg/types" | ||
| "k8s.io/klog/v2" | ||
| "sigs.k8s.io/controller-runtime/pkg/client" | ||
| ) | ||
|
|
||
| const ( | ||
| DefaultBackendDBName = "postgres" | ||
| DefaultPgpoolPort = 9999 | ||
| ) | ||
|
|
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| type KubeDBClientBuilder struct { | ||
| kc client.Client | ||
| db *olddbapi.Druid | ||
| url string | ||
| podName string | ||
| ctx context.Context | ||
| } | ||
|
|
||
| func NewKubeDBClientBuilder(kc client.Client, druid *olddbapi.Druid) *KubeDBClientBuilder { | ||
| return &KubeDBClientBuilder{ | ||
| kc: kc, | ||
| db: druid, | ||
| } | ||
| } | ||
|
|
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| func (o *KubeDBClientBuilder) WithURL(url string) *KubeDBClientBuilder { | ||
| o.url = url | ||
| return o | ||
| } | ||
|
|
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| func (o *KubeDBClientBuilder) WithPod(podName string) *KubeDBClientBuilder { | ||
| o.podName = podName | ||
| return o | ||
| } | ||
|
|
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| func (o *KubeDBClientBuilder) WithContext(ctx context.Context) *KubeDBClientBuilder { | ||
| o.ctx = ctx | ||
| return o | ||
| } | ||
|
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| func (o *KubeDBClientBuilder) GetDruidClient(nodeType olddbapi.DruidNodeRoleType) (*druidgo.Client, error) { | ||
| var druidOpts []druidgo.ClientOption | ||
| if !*o.db.Spec.DisableSecurity { | ||
| if o.db.Spec.AuthSecret == nil { | ||
| klog.Error("AuthSecret not set") | ||
| return nil, errors.New("auth-secret is not set") | ||
| } | ||
|
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| authSecret := &core.Secret{} | ||
| err := o.kc.Get(o.ctx, types.NamespacedName{ | ||
| Namespace: o.db.Namespace, | ||
| Name: o.db.Spec.AuthSecret.Name, | ||
| }, authSecret) | ||
| if err != nil { | ||
| if kerr.IsNotFound(err) { | ||
| klog.Error(err, "AuthSecret not found") | ||
| return nil, errors.New("auth-secret not found") | ||
| } | ||
| return nil, err | ||
| } | ||
| userName := string(authSecret.Data[core.BasicAuthUsernameKey]) | ||
| password := string(authSecret.Data[core.BasicAuthPasswordKey]) | ||
|
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| druidOpts = append(druidOpts, druidgo.WithBasicAuth(userName, password)) | ||
| } | ||
|
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| baseUrl := o.GetNodesAddress(nodeType) | ||
| druidClient, err := druidgo.NewClient(baseUrl, druidOpts...) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
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| return druidClient, nil | ||
| } | ||
|
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| // GetNodesAddress returns DNS for the nodes based on type of the node | ||
| func (o *KubeDBClientBuilder) GetNodesAddress(nodeType olddbapi.DruidNodeRoleType) string { | ||
| baseUrl := fmt.Sprintf("http://%s-0.%s.%s.svc.cluster.local:%d", o.db.PetSetName(nodeType), o.db.GoverningServiceName(), o.db.Namespace, o.db.DruidNodeContainerPort(nodeType)) | ||
| return baseUrl | ||
| } |
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