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feat: ResourceConsist Controller (#24)
* feat: ResourceConsist Controller
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| /* | ||
| Copyright 2023 The KusionStack 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. | ||
| */ | ||
|
|
||
| package controllers | ||
|
|
||
| import ( | ||
| "sigs.k8s.io/controller-runtime/pkg/manager" | ||
|
|
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| "kusionstack.io/kafed/pkg/controllers/alibaba_cloud_slb" | ||
| "kusionstack.io/kafed/pkg/controllers/resourceconsist" | ||
| ) | ||
|
|
||
| func init() { | ||
| AddToManagerFuncs = append(AddToManagerFuncs, Add) | ||
| } | ||
|
|
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| func Add(manager manager.Manager) error { | ||
| return resourceconsist.Add(manager, alibaba_cloud_slb.NewReconcileAdapter(manager.GetClient())) | ||
| } |
94 changes: 94 additions & 0 deletions
94
pkg/controllers/alibaba_cloud_slb/alibaba_cloud_slb_client.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| /* | ||
| Copyright 2023 The KusionStack 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. | ||
| */ | ||
|
|
||
| package alibaba_cloud_slb | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "os" | ||
|
|
||
| openapi "github.com/alibabacloud-go/darabonba-openapi/v2/client" | ||
| slb20140515 "github.com/alibabacloud-go/slb-20140515/v4/client" | ||
| util "github.com/alibabacloud-go/tea-utils/v2/service" | ||
| "github.com/alibabacloud-go/tea/tea" | ||
| ) | ||
|
|
||
| var ( | ||
| slbAccessKeyID string | ||
| slbAccessKeySecret string | ||
| slbEndpoint string | ||
|
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| alibabaCloudSlbClient *AlibabaCloudSlbClient | ||
| ) | ||
|
|
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| type AlibabaCloudSlbClient struct { | ||
| *slb20140515.Client | ||
| } | ||
|
|
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| func NewAlibabaCloudSlbClient() (*AlibabaCloudSlbClient, error) { | ||
| if slbAccessKeyID == "" || slbAccessKeySecret == "" { | ||
| return nil, fmt.Errorf("slbAccessKeyID or slbAccessKeySecret is empty") | ||
| } | ||
| config := &openapi.Config{ | ||
| AccessKeyId: tea.String(slbAccessKeyID), | ||
| AccessKeySecret: tea.String(slbAccessKeySecret), | ||
| // Endpoint, refer: https://api.aliyun.com/product/Slb | ||
| Endpoint: tea.String(slbEndpoint), | ||
| } | ||
|
|
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| slbClient, err := slb20140515.NewClient(config) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return &AlibabaCloudSlbClient{ | ||
| slbClient, | ||
| }, nil | ||
| } | ||
|
|
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| func (c *AlibabaCloudSlbClient) GetBackendServers(lbID string) ([]string, error) { | ||
| describeHealthStatusRequest := &slb20140515.DescribeHealthStatusRequest{ | ||
| LoadBalancerId: tea.String(lbID), | ||
| } | ||
| runtime := &util.RuntimeOptions{} | ||
|
|
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| resp, err := c.DescribeHealthStatusWithOptions(describeHealthStatusRequest, runtime) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| if resp == nil || resp.Body == nil || resp.Body.BackendServers == nil { | ||
| return nil, fmt.Errorf("get backend servers list faield, resp is nil") | ||
| } | ||
|
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| backendServers := make([]string, len(resp.Body.BackendServers.BackendServer)) | ||
| for idx, bs := range resp.Body.BackendServers.BackendServer { | ||
| backendServers[idx] = *bs.ServerIp | ||
| } | ||
| return backendServers, nil | ||
| } | ||
|
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| func init() { | ||
| if os.Getenv("ALIYUN_SLB_AK_KEY") != "" { | ||
| slbAccessKeyID = os.Getenv("ALIYUN_SLB_AK_KEY") | ||
| } | ||
| if os.Getenv("ALIYUN_SLB_AK_SECRET") != "" { | ||
| slbAccessKeySecret = os.Getenv("ALIYUN_SLB_AK_SECRET") | ||
| } | ||
| if os.Getenv("ALIYUN_SLB_ENDPOINT") != "" { | ||
| slbEndpoint = os.Getenv("ALIYUN_SLB_ENDPOINT") | ||
| } | ||
|
|
||
| alibabaCloudSlbClient, _ = NewAlibabaCloudSlbClient() | ||
| } |
191 changes: 191 additions & 0 deletions
191
pkg/controllers/alibaba_cloud_slb/alibaba_cloud_slb_controller.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,191 @@ | ||
| /* | ||
| Copyright 2023 The KusionStack 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. | ||
| */ | ||
|
|
||
| package alibaba_cloud_slb | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
|
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| corev1 "k8s.io/api/core/v1" | ||
| "k8s.io/apimachinery/pkg/labels" | ||
| "sigs.k8s.io/controller-runtime/pkg/client" | ||
|
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| "kusionstack.io/kafed/pkg/controllers/resourceconsist" | ||
| ) | ||
|
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| var _ resourceconsist.ReconcileAdapter = &ReconcileAdapter{} | ||
|
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| type ReconcileAdapter struct { | ||
| client.Client | ||
| } | ||
|
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| func NewReconcileAdapter(c client.Client) *ReconcileAdapter { | ||
| return &ReconcileAdapter{ | ||
| Client: c, | ||
| } | ||
| } | ||
|
|
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| func (r *ReconcileAdapter) GetControllerName() string { | ||
| return "alibaba-cloud-slb-controller" | ||
| } | ||
|
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| func (r *ReconcileAdapter) NotFollowPodOpsLifeCycle() bool { | ||
| return false | ||
| } | ||
|
|
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| func (r *ReconcileAdapter) GetExpectEmployer(ctx context.Context, employer client.Object) ([]resourceconsist.IEmployer, error) { | ||
| return nil, nil | ||
| } | ||
|
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| func (r *ReconcileAdapter) GetSelectedEmployeeNames(ctx context.Context, employer client.Object) ([]string, error) { | ||
| svc, ok := employer.(*corev1.Service) | ||
| if !ok { | ||
| return nil, fmt.Errorf("expect employer kind is Service") | ||
| } | ||
| selector := labels.Set(svc.Spec.Selector).AsSelectorPreValidated() | ||
| var podList corev1.PodList | ||
| err := r.List(ctx, &podList, &client.ListOptions{Namespace: svc.Namespace, LabelSelector: selector}) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
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| selected := make([]string, len(podList.Items)) | ||
| for idx, pod := range podList.Items { | ||
| selected[idx] = pod.Name | ||
| } | ||
|
|
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| return selected, nil | ||
| } | ||
|
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| func (r *ReconcileAdapter) GetCurrentEmployer(ctx context.Context, employer client.Object) ([]resourceconsist.IEmployer, error) { | ||
| return nil, nil | ||
| } | ||
|
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| func (r *ReconcileAdapter) CreateEmployer(employer client.Object, toCreate []resourceconsist.IEmployer) ([]resourceconsist.IEmployer, []resourceconsist.IEmployer, error) { | ||
| return nil, nil, nil | ||
| } | ||
|
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| func (r *ReconcileAdapter) UpdateEmployer(employer client.Object, toUpdate []resourceconsist.IEmployer) ([]resourceconsist.IEmployer, []resourceconsist.IEmployer, error) { | ||
| return nil, nil, nil | ||
| } | ||
|
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| func (r *ReconcileAdapter) DeleteEmployer(employer client.Object, toDelete []resourceconsist.IEmployer) ([]resourceconsist.IEmployer, []resourceconsist.IEmployer, error) { | ||
| return nil, nil, nil | ||
| } | ||
|
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| func (r *ReconcileAdapter) RecordEmployer(succCreate, succUpdate, succDelete []resourceconsist.IEmployer) error { | ||
| return nil | ||
| } | ||
|
|
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| func (r *ReconcileAdapter) GetExpectEmployee(ctx context.Context, employer client.Object) ([]resourceconsist.IEmployee, error) { | ||
| svc, ok := employer.(*corev1.Service) | ||
| if !ok { | ||
| return nil, fmt.Errorf("expect employer kind is Service") | ||
| } | ||
| selector := labels.Set(svc.Spec.Selector).AsSelectorPreValidated() | ||
| var podList corev1.PodList | ||
| err := r.List(ctx, &podList, &client.ListOptions{Namespace: svc.Namespace, LabelSelector: selector}) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| expected := make([]resourceconsist.IEmployee, len(podList.Items)) | ||
| for idx, pod := range podList.Items { | ||
| status := AlibabaSlbPodStatus{ | ||
| EmployeeID: pod.Status.PodIP, | ||
| EmployeeName: pod.Name, | ||
| } | ||
| employeeStatuses, err := resourceconsist.GetCommonPodEmployeeStatus(&pod) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| extraStatus := PodExtraStatus{} | ||
| if employeeStatuses.LifecycleReady { | ||
| extraStatus.TrafficOn = true | ||
| } else { | ||
| extraStatus.TrafficOn = false | ||
| } | ||
| employeeStatuses.ExtraStatus = extraStatus | ||
| status.EmployeeStatuses = employeeStatuses | ||
| expected[idx] = status | ||
| } | ||
|
|
||
| return expected, nil | ||
| } | ||
|
|
||
| func (r *ReconcileAdapter) GetCurrentEmployee(ctx context.Context, employer client.Object) ([]resourceconsist.IEmployee, error) { | ||
| svc, ok := employer.(*corev1.Service) | ||
| if !ok { | ||
| return nil, fmt.Errorf("expect employer kind is Service") | ||
| } | ||
| selector := labels.Set(svc.Spec.Selector).AsSelectorPreValidated() | ||
| var podList corev1.PodList | ||
| err := r.List(ctx, &podList, &client.ListOptions{Namespace: svc.Namespace, LabelSelector: selector}) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| lbID := svc.GetLabels()[alibabaCloudSlbLbIdLabelKey] | ||
| bsExistUnderSlb := make(map[string]bool) | ||
| if lbID != "" { | ||
| backendServers, err := alibabaCloudSlbClient.GetBackendServers(lbID) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("get backend servers of slb failed, err: %s", err.Error()) | ||
| } | ||
| for _, bs := range backendServers { | ||
| bsExistUnderSlb[bs] = true | ||
| } | ||
| } | ||
|
|
||
| current := make([]resourceconsist.IEmployee, len(podList.Items)) | ||
| for idx, pod := range podList.Items { | ||
| status := AlibabaSlbPodStatus{ | ||
| EmployeeID: pod.Status.PodIP, | ||
| EmployeeName: pod.Name, | ||
| } | ||
| employeeStatuses, err := resourceconsist.GetCommonPodEmployeeStatus(&pod) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| extraStatus := PodExtraStatus{} | ||
| if !bsExistUnderSlb[status.EmployeeID] { | ||
| extraStatus.TrafficOn = false | ||
| } else { | ||
| extraStatus.TrafficOn = true | ||
| } | ||
| employeeStatuses.ExtraStatus = extraStatus | ||
| status.EmployeeStatuses = employeeStatuses | ||
| current[idx] = status | ||
| } | ||
|
|
||
| return current, nil | ||
| } | ||
|
|
||
| // CreateEmployees returns (nil, toCreate, nil) since CCM of ACK will sync bs of slb | ||
| func (r *ReconcileAdapter) CreateEmployees(employer client.Object, toCreate []resourceconsist.IEmployee) ([]resourceconsist.IEmployee, []resourceconsist.IEmployee, error) { | ||
| return nil, toCreate, nil | ||
| } | ||
|
|
||
| // UpdateEmployees returns (nil, toUpdate, nil) since CCM of ACK will sync bs of slb | ||
| func (r *ReconcileAdapter) UpdateEmployees(employer client.Object, toUpdate []resourceconsist.IEmployee) ([]resourceconsist.IEmployee, []resourceconsist.IEmployee, error) { | ||
| return nil, toUpdate, nil | ||
| } | ||
|
|
||
| // DeleteEmployees returns (nil, toDelete, nil) since CCM of ACK will sync bs of slb | ||
| func (r *ReconcileAdapter) DeleteEmployees(employer client.Object, toDelete []resourceconsist.IEmployee) ([]resourceconsist.IEmployee, []resourceconsist.IEmployee, error) { | ||
| return nil, toDelete, nil | ||
| } |
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