mirror of https://github.com/k3s-io/k3s
220 lines
6.5 KiB
Go
220 lines
6.5 KiB
Go
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/*
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Copyright 2018 Google LLC
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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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https://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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*/
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package cloud
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import (
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"context"
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"fmt"
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"k8s.io/klog"
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alpha "google.golang.org/api/compute/v0.alpha"
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beta "google.golang.org/api/compute/v0.beta"
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ga "google.golang.org/api/compute/v1"
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"google.golang.org/api/googleapi"
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"github.com/GoogleCloudPlatform/k8s-cloud-provider/pkg/cloud/meta"
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)
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const (
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operationStatusDone = "DONE"
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)
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// operation is a GCE operation that can be watied on.
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type operation interface {
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// isDone queries GCE for the done status. This call can block.
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isDone(ctx context.Context) (bool, error)
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// error returns the resulting error of the operation. This may be nil if the operations
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// was successful.
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error() error
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// rateLimitKey returns the rate limit key to use for the given operation.
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// This rate limit will govern how fast the server will be polled for
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// operation completion status.
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rateLimitKey() *RateLimitKey
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}
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type gaOperation struct {
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s *Service
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projectID string
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key *meta.Key
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err error
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}
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func (o *gaOperation) String() string {
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return fmt.Sprintf("gaOperation{%q, %v}", o.projectID, o.key)
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}
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func (o *gaOperation) isDone(ctx context.Context) (bool, error) {
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var (
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op *ga.Operation
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err error
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)
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switch o.key.Type() {
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case meta.Regional:
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op, err = o.s.GA.RegionOperations.Get(o.projectID, o.key.Region, o.key.Name).Context(ctx).Do()
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klog.V(5).Infof("GA.RegionOperations.Get(%v, %v, %v) = %+v, %v; ctx = %v", o.projectID, o.key.Region, o.key.Name, op, err, ctx)
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case meta.Zonal:
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op, err = o.s.GA.ZoneOperations.Get(o.projectID, o.key.Zone, o.key.Name).Context(ctx).Do()
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klog.V(5).Infof("GA.ZoneOperations.Get(%v, %v, %v) = %+v, %v; ctx = %v", o.projectID, o.key.Zone, o.key.Name, op, err, ctx)
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case meta.Global:
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op, err = o.s.GA.GlobalOperations.Get(o.projectID, o.key.Name).Context(ctx).Do()
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klog.V(5).Infof("GA.GlobalOperations.Get(%v, %v) = %+v, %v; ctx = %v", o.projectID, o.key.Name, op, err, ctx)
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default:
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return false, fmt.Errorf("invalid key type: %#v", o.key)
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}
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if err != nil {
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return false, err
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}
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if op == nil || op.Status != operationStatusDone {
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return false, nil
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}
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if op.Error != nil && len(op.Error.Errors) > 0 && op.Error.Errors[0] != nil {
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e := op.Error.Errors[0]
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o.err = &googleapi.Error{Code: int(op.HttpErrorStatusCode), Message: fmt.Sprintf("%v - %v", e.Code, e.Message)}
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}
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return true, nil
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}
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func (o *gaOperation) rateLimitKey() *RateLimitKey {
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return &RateLimitKey{
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ProjectID: o.projectID,
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Operation: "Get",
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Service: "Operations",
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Version: meta.VersionGA,
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}
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}
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func (o *gaOperation) error() error {
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return o.err
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}
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type alphaOperation struct {
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s *Service
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projectID string
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key *meta.Key
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err error
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}
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func (o *alphaOperation) String() string {
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return fmt.Sprintf("alphaOperation{%q, %v}", o.projectID, o.key)
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}
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func (o *alphaOperation) isDone(ctx context.Context) (bool, error) {
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var (
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op *alpha.Operation
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err error
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)
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switch o.key.Type() {
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case meta.Regional:
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op, err = o.s.Alpha.RegionOperations.Get(o.projectID, o.key.Region, o.key.Name).Context(ctx).Do()
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klog.V(5).Infof("Alpha.RegionOperations.Get(%v, %v, %v) = %+v, %v; ctx = %v", o.projectID, o.key.Region, o.key.Name, op, err, ctx)
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case meta.Zonal:
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op, err = o.s.Alpha.ZoneOperations.Get(o.projectID, o.key.Zone, o.key.Name).Context(ctx).Do()
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klog.V(5).Infof("Alpha.ZoneOperations.Get(%v, %v, %v) = %+v, %v; ctx = %v", o.projectID, o.key.Zone, o.key.Name, op, err, ctx)
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case meta.Global:
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op, err = o.s.Alpha.GlobalOperations.Get(o.projectID, o.key.Name).Context(ctx).Do()
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klog.V(5).Infof("Alpha.GlobalOperations.Get(%v, %v) = %+v, %v; ctx = %v", o.projectID, o.key.Name, op, err, ctx)
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default:
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return false, fmt.Errorf("invalid key type: %#v", o.key)
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}
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if err != nil {
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return false, err
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}
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if op == nil || op.Status != operationStatusDone {
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return false, nil
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}
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if op.Error != nil && len(op.Error.Errors) > 0 && op.Error.Errors[0] != nil {
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e := op.Error.Errors[0]
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o.err = &googleapi.Error{Code: int(op.HttpErrorStatusCode), Message: fmt.Sprintf("%v - %v", e.Code, e.Message)}
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}
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return true, nil
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}
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func (o *alphaOperation) rateLimitKey() *RateLimitKey {
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return &RateLimitKey{
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ProjectID: o.projectID,
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Operation: "Get",
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Service: "Operations",
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Version: meta.VersionAlpha,
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}
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}
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func (o *alphaOperation) error() error {
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return o.err
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}
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type betaOperation struct {
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s *Service
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projectID string
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key *meta.Key
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err error
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}
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func (o *betaOperation) String() string {
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return fmt.Sprintf("betaOperation{%q, %v}", o.projectID, o.key)
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}
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func (o *betaOperation) isDone(ctx context.Context) (bool, error) {
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var (
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op *beta.Operation
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err error
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)
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switch o.key.Type() {
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case meta.Regional:
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op, err = o.s.Beta.RegionOperations.Get(o.projectID, o.key.Region, o.key.Name).Context(ctx).Do()
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klog.V(5).Infof("Beta.RegionOperations.Get(%v, %v, %v) = %+v, %v; ctx = %v", o.projectID, o.key.Region, o.key.Name, op, err, ctx)
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case meta.Zonal:
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op, err = o.s.Beta.ZoneOperations.Get(o.projectID, o.key.Zone, o.key.Name).Context(ctx).Do()
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klog.V(5).Infof("Beta.ZoneOperations.Get(%v, %v, %v) = %+v, %v; ctx = %v", o.projectID, o.key.Zone, o.key.Name, op, err, ctx)
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case meta.Global:
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op, err = o.s.Beta.GlobalOperations.Get(o.projectID, o.key.Name).Context(ctx).Do()
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klog.V(5).Infof("Beta.GlobalOperations.Get(%v, %v) = %+v, %v; ctx = %v", o.projectID, o.key.Name, op, err, ctx)
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default:
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return false, fmt.Errorf("invalid key type: %#v", o.key)
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}
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if err != nil {
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return false, err
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}
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if op == nil || op.Status != operationStatusDone {
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return false, nil
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}
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if op.Error != nil && len(op.Error.Errors) > 0 && op.Error.Errors[0] != nil {
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e := op.Error.Errors[0]
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o.err = &googleapi.Error{Code: int(op.HttpErrorStatusCode), Message: fmt.Sprintf("%v - %v", e.Code, e.Message)}
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}
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return true, nil
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}
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func (o *betaOperation) rateLimitKey() *RateLimitKey {
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return &RateLimitKey{
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ProjectID: o.projectID,
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Operation: "Get",
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Service: "Operations",
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Version: meta.VersionBeta,
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}
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}
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func (o *betaOperation) error() error {
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return o.err
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}
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