|
1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374 |
- // Copyright 2016 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 logadmin
-
- import (
- vkit "cloud.google.com/go/logging/apiv2"
- "golang.org/x/net/context"
- "google.golang.org/api/iterator"
- mrpb "google.golang.org/genproto/googleapis/api/monitoredres"
- logpb "google.golang.org/genproto/googleapis/logging/v2"
- )
-
- // ResourceDescriptors returns a ResourceDescriptorIterator
- // for iterating over MonitoredResourceDescriptors. Requires ReadScope or AdminScope.
- // See https://cloud.google.com/logging/docs/api/v2/#monitored-resources for an explanation of
- // monitored resources.
- // See https://cloud.google.com/logging/docs/api/v2/resource-list for a list of monitored resources.
- func (c *Client) ResourceDescriptors(ctx context.Context) *ResourceDescriptorIterator {
- it := &ResourceDescriptorIterator{
- it: c.lClient.ListMonitoredResourceDescriptors(ctx,
- &logpb.ListMonitoredResourceDescriptorsRequest{}),
- }
- it.pageInfo, it.nextFunc = iterator.NewPageInfo(
- it.fetch,
- func() int { return len(it.items) },
- func() interface{} { b := it.items; it.items = nil; return b })
- return it
- }
-
- // ResourceDescriptorIterator is an iterator over MonitoredResourceDescriptors.
- type ResourceDescriptorIterator struct {
- it *vkit.MonitoredResourceDescriptorIterator
- pageInfo *iterator.PageInfo
- nextFunc func() error
- items []*mrpb.MonitoredResourceDescriptor
- }
-
- // PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
- func (it *ResourceDescriptorIterator) PageInfo() *iterator.PageInfo { return it.pageInfo }
-
- // Next returns the next result. Its second return value is Done if there are
- // no more results. Once Next returns Done, all subsequent calls will return
- // Done.
- func (it *ResourceDescriptorIterator) Next() (*mrpb.MonitoredResourceDescriptor, error) {
- if err := it.nextFunc(); err != nil {
- return nil, err
- }
- item := it.items[0]
- it.items = it.items[1:]
- return item, nil
- }
-
- func (it *ResourceDescriptorIterator) fetch(pageSize int, pageToken string) (string, error) {
- return iterFetch(pageSize, pageToken, it.it.PageInfo(), func() error {
- item, err := it.it.Next()
- if err != nil {
- return err
- }
- it.items = append(it.items, item)
- return nil
- })
- }
|