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Merge pull request GoogleCloudPlatform#3265 from jasonvigil/workstati…
…onconfig feat: Implement WorkstationConfig direct controller and record GCP
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,132 @@ | ||
| // Copyright 2024 Google LLC | ||
| // | ||
| // 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 v1alpha1 | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "strings" | ||
|
|
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| "github.com/GoogleCloudPlatform/k8s-config-connector/apis/common" | ||
| "sigs.k8s.io/controller-runtime/pkg/client" | ||
| ) | ||
|
|
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| // WorkstationConfigIdentity defines the resource reference to WorkstationConfig, which "External" field | ||
| // holds the GCP identifier for the KRM object. | ||
| type WorkstationConfigIdentity struct { | ||
| parent *WorkstationConfigParent | ||
| id string | ||
| } | ||
|
|
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| func (i *WorkstationConfigIdentity) String() string { | ||
| return i.parent.String() + "/workstationConfigs/" + i.id | ||
| } | ||
|
|
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| func (i *WorkstationConfigIdentity) ID() string { | ||
| return i.id | ||
| } | ||
|
|
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| func (i *WorkstationConfigIdentity) Parent() *WorkstationConfigParent { | ||
| return i.parent | ||
| } | ||
|
|
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| type WorkstationConfigParent struct { | ||
| ProjectID string | ||
| Location string | ||
| Cluster string | ||
| } | ||
|
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| func (p *WorkstationConfigParent) String() string { | ||
| return "projects/" + p.ProjectID + "/locations/" + p.Location + "/workstationClusters/" + p.Cluster | ||
| } | ||
|
|
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| // New builds a ConfigIdentity from the Config Connector WorkstationConfig object. | ||
| func NewWorkstationConfigIdentity(ctx context.Context, reader client.Reader, obj *WorkstationConfig) (*WorkstationConfigIdentity, error) { | ||
| // Get Parent | ||
| clusterRef := obj.Spec.Parent | ||
| if clusterRef == nil { | ||
| return nil, fmt.Errorf("no parent cluster") | ||
| } | ||
| clusterExternal, err := clusterRef.NormalizedExternal(ctx, reader, obj.Namespace) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("cannot resolve cluster: %w", err) | ||
| } | ||
| clusterParent, cluster, err := parseWorkstationClusterExternal(clusterExternal) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("cannot parse external cluster: %w", err) | ||
| } | ||
| projectID := clusterParent.ProjectID | ||
| if projectID == "" { | ||
| return nil, fmt.Errorf("cannot resolve project") | ||
| } | ||
| location := clusterParent.Location | ||
| if location == "" { | ||
| return nil, fmt.Errorf("cannot resolve location") | ||
| } | ||
|
|
||
| // Get desired ID | ||
| resourceID := common.ValueOf(obj.Spec.ResourceID) | ||
| if resourceID == "" { | ||
| resourceID = obj.GetName() | ||
| } | ||
| if resourceID == "" { | ||
| return nil, fmt.Errorf("cannot resolve resource ID") | ||
| } | ||
|
|
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| // Use approved External | ||
| externalRef := common.ValueOf(obj.Status.ExternalRef) | ||
| if externalRef != "" { | ||
| // Validate desired with actual | ||
| actualParent, actualResourceID, err := ParseWorkstationConfigExternal(externalRef) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| if actualParent.ProjectID != projectID { | ||
| return nil, fmt.Errorf("spec.projectRef changed, expect %s, got %s", actualParent.ProjectID, projectID) | ||
| } | ||
| if actualParent.Location != location { | ||
| return nil, fmt.Errorf("spec.location changed, expect %s, got %s", actualParent.Location, location) | ||
| } | ||
| if actualParent.Cluster != cluster { | ||
| return nil, fmt.Errorf("spec.cluster changed, expect %s, got %s", actualParent.Cluster, cluster) | ||
| } | ||
| if actualResourceID != resourceID { | ||
| return nil, fmt.Errorf("cannot reset `metadata.name` or `spec.resourceID` to %s, since it has already assigned to %s", | ||
| resourceID, actualResourceID) | ||
| } | ||
| } | ||
| return &WorkstationConfigIdentity{ | ||
| parent: &WorkstationConfigParent{ | ||
| ProjectID: projectID, | ||
| Location: location, | ||
| Cluster: cluster, | ||
| }, | ||
| id: resourceID, | ||
| }, nil | ||
| } | ||
|
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| func ParseWorkstationConfigExternal(external string) (parent *WorkstationConfigParent, resourceID string, err error) { | ||
| tokens := strings.Split(external, "/") | ||
| if len(tokens) != 8 || tokens[0] != "projects" || tokens[2] != "locations" || tokens[4] != "workstationClusters" || tokens[6] != "workstationConfigs" { | ||
| return nil, "", fmt.Errorf("format of Workstation external=%q was not known (use projects/<projectID>/locations/<location>/workstationClusters/<workstationclusterID>/workstationConfigs/<workstationconfigID>)", external) | ||
| } | ||
| parent = &WorkstationConfigParent{ | ||
| ProjectID: tokens[1], | ||
| Location: tokens[3], | ||
| Cluster: tokens[5], | ||
| } | ||
| resourceID = tokens[7] | ||
| return parent, resourceID, nil | ||
| } |
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