mirror of https://github.com/knative/caching.git
469 lines
18 KiB
Go
469 lines
18 KiB
Go
// Copyright 2019 Google LLC
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//
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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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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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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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// Code generated by gapic-generator. DO NOT EDIT.
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package monitoring
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import (
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"context"
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"fmt"
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"math"
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"time"
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"github.com/golang/protobuf/proto"
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gax "github.com/googleapis/gax-go/v2"
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"google.golang.org/api/iterator"
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"google.golang.org/api/option"
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"google.golang.org/api/transport"
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metricpb "google.golang.org/genproto/googleapis/api/metric"
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monitoredrespb "google.golang.org/genproto/googleapis/api/monitoredres"
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monitoringpb "google.golang.org/genproto/googleapis/monitoring/v3"
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"google.golang.org/grpc"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/metadata"
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)
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// MetricCallOptions contains the retry settings for each method of MetricClient.
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type MetricCallOptions struct {
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ListMonitoredResourceDescriptors []gax.CallOption
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GetMonitoredResourceDescriptor []gax.CallOption
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ListMetricDescriptors []gax.CallOption
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GetMetricDescriptor []gax.CallOption
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CreateMetricDescriptor []gax.CallOption
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DeleteMetricDescriptor []gax.CallOption
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ListTimeSeries []gax.CallOption
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CreateTimeSeries []gax.CallOption
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}
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func defaultMetricClientOptions() []option.ClientOption {
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return []option.ClientOption{
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option.WithEndpoint("monitoring.googleapis.com:443"),
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option.WithScopes(DefaultAuthScopes()...),
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}
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}
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func defaultMetricCallOptions() *MetricCallOptions {
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retry := map[[2]string][]gax.CallOption{
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{"default", "idempotent"}: {
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gax.WithRetry(func() gax.Retryer {
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return gax.OnCodes([]codes.Code{
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codes.Unavailable,
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}, gax.Backoff{
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Initial: 100 * time.Millisecond,
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Max: 60000 * time.Millisecond,
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Multiplier: 1.3,
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})
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}),
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},
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}
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return &MetricCallOptions{
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ListMonitoredResourceDescriptors: retry[[2]string{"default", "idempotent"}],
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GetMonitoredResourceDescriptor: retry[[2]string{"default", "idempotent"}],
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ListMetricDescriptors: retry[[2]string{"default", "idempotent"}],
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GetMetricDescriptor: retry[[2]string{"default", "idempotent"}],
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CreateMetricDescriptor: retry[[2]string{"default", "non_idempotent"}],
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DeleteMetricDescriptor: retry[[2]string{"default", "idempotent"}],
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ListTimeSeries: retry[[2]string{"default", "idempotent"}],
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CreateTimeSeries: retry[[2]string{"default", "non_idempotent"}],
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}
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}
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// MetricClient is a client for interacting with Stackdriver Monitoring API.
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//
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// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
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type MetricClient struct {
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// The connection to the service.
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conn *grpc.ClientConn
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// The gRPC API client.
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metricClient monitoringpb.MetricServiceClient
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// The call options for this service.
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CallOptions *MetricCallOptions
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// The x-goog-* metadata to be sent with each request.
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xGoogMetadata metadata.MD
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}
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// NewMetricClient creates a new metric service client.
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//
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// Manages metric descriptors, monitored resource descriptors, and
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// time series data.
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func NewMetricClient(ctx context.Context, opts ...option.ClientOption) (*MetricClient, error) {
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conn, err := transport.DialGRPC(ctx, append(defaultMetricClientOptions(), opts...)...)
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if err != nil {
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return nil, err
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}
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c := &MetricClient{
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conn: conn,
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CallOptions: defaultMetricCallOptions(),
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metricClient: monitoringpb.NewMetricServiceClient(conn),
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}
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c.setGoogleClientInfo()
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return c, nil
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}
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// Connection returns the client's connection to the API service.
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func (c *MetricClient) Connection() *grpc.ClientConn {
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return c.conn
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}
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// Close closes the connection to the API service. The user should invoke this when
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// the client is no longer required.
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func (c *MetricClient) Close() error {
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return c.conn.Close()
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}
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// setGoogleClientInfo sets the name and version of the application in
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// the `x-goog-api-client` header passed on each request. Intended for
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// use by Google-written clients.
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func (c *MetricClient) setGoogleClientInfo(keyval ...string) {
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kv := append([]string{"gl-go", versionGo()}, keyval...)
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kv = append(kv, "gapic", versionClient, "gax", gax.Version, "grpc", grpc.Version)
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c.xGoogMetadata = metadata.Pairs("x-goog-api-client", gax.XGoogHeader(kv...))
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}
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// ListMonitoredResourceDescriptors lists monitored resource descriptors that match a filter. This method does
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// not require a Stackdriver account.
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func (c *MetricClient) ListMonitoredResourceDescriptors(ctx context.Context, req *monitoringpb.ListMonitoredResourceDescriptorsRequest, opts ...gax.CallOption) *MonitoredResourceDescriptorIterator {
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md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", req.GetName()))
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ctx = insertMetadata(ctx, c.xGoogMetadata, md)
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opts = append(c.CallOptions.ListMonitoredResourceDescriptors[0:len(c.CallOptions.ListMonitoredResourceDescriptors):len(c.CallOptions.ListMonitoredResourceDescriptors)], opts...)
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it := &MonitoredResourceDescriptorIterator{}
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req = proto.Clone(req).(*monitoringpb.ListMonitoredResourceDescriptorsRequest)
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it.InternalFetch = func(pageSize int, pageToken string) ([]*monitoredrespb.MonitoredResourceDescriptor, string, error) {
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var resp *monitoringpb.ListMonitoredResourceDescriptorsResponse
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req.PageToken = pageToken
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if pageSize > math.MaxInt32 {
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req.PageSize = math.MaxInt32
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} else {
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req.PageSize = int32(pageSize)
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}
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err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
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var err error
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resp, err = c.metricClient.ListMonitoredResourceDescriptors(ctx, req, settings.GRPC...)
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return err
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}, opts...)
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if err != nil {
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return nil, "", err
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}
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return resp.ResourceDescriptors, resp.NextPageToken, nil
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}
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fetch := func(pageSize int, pageToken string) (string, error) {
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items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
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if err != nil {
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return "", err
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}
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it.items = append(it.items, items...)
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return nextPageToken, nil
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}
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it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
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it.pageInfo.MaxSize = int(req.PageSize)
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it.pageInfo.Token = req.PageToken
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return it
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}
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// GetMonitoredResourceDescriptor gets a single monitored resource descriptor. This method does not require a
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// Stackdriver account.
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func (c *MetricClient) GetMonitoredResourceDescriptor(ctx context.Context, req *monitoringpb.GetMonitoredResourceDescriptorRequest, opts ...gax.CallOption) (*monitoredrespb.MonitoredResourceDescriptor, error) {
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md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", req.GetName()))
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ctx = insertMetadata(ctx, c.xGoogMetadata, md)
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opts = append(c.CallOptions.GetMonitoredResourceDescriptor[0:len(c.CallOptions.GetMonitoredResourceDescriptor):len(c.CallOptions.GetMonitoredResourceDescriptor)], opts...)
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var resp *monitoredrespb.MonitoredResourceDescriptor
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err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
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var err error
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resp, err = c.metricClient.GetMonitoredResourceDescriptor(ctx, req, settings.GRPC...)
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return err
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}, opts...)
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if err != nil {
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return nil, err
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}
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return resp, nil
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}
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// ListMetricDescriptors lists metric descriptors that match a filter. This method does not require
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// a Stackdriver account.
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func (c *MetricClient) ListMetricDescriptors(ctx context.Context, req *monitoringpb.ListMetricDescriptorsRequest, opts ...gax.CallOption) *MetricDescriptorIterator {
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md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", req.GetName()))
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ctx = insertMetadata(ctx, c.xGoogMetadata, md)
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opts = append(c.CallOptions.ListMetricDescriptors[0:len(c.CallOptions.ListMetricDescriptors):len(c.CallOptions.ListMetricDescriptors)], opts...)
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it := &MetricDescriptorIterator{}
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req = proto.Clone(req).(*monitoringpb.ListMetricDescriptorsRequest)
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it.InternalFetch = func(pageSize int, pageToken string) ([]*metricpb.MetricDescriptor, string, error) {
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var resp *monitoringpb.ListMetricDescriptorsResponse
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req.PageToken = pageToken
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if pageSize > math.MaxInt32 {
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req.PageSize = math.MaxInt32
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} else {
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req.PageSize = int32(pageSize)
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}
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err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
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var err error
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resp, err = c.metricClient.ListMetricDescriptors(ctx, req, settings.GRPC...)
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return err
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}, opts...)
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if err != nil {
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return nil, "", err
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}
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return resp.MetricDescriptors, resp.NextPageToken, nil
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}
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fetch := func(pageSize int, pageToken string) (string, error) {
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items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
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if err != nil {
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return "", err
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}
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it.items = append(it.items, items...)
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return nextPageToken, nil
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}
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it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
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it.pageInfo.MaxSize = int(req.PageSize)
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it.pageInfo.Token = req.PageToken
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return it
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}
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// GetMetricDescriptor gets a single metric descriptor. This method does not require a Stackdriver
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// account.
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func (c *MetricClient) GetMetricDescriptor(ctx context.Context, req *monitoringpb.GetMetricDescriptorRequest, opts ...gax.CallOption) (*metricpb.MetricDescriptor, error) {
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md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", req.GetName()))
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ctx = insertMetadata(ctx, c.xGoogMetadata, md)
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opts = append(c.CallOptions.GetMetricDescriptor[0:len(c.CallOptions.GetMetricDescriptor):len(c.CallOptions.GetMetricDescriptor)], opts...)
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var resp *metricpb.MetricDescriptor
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err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
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var err error
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resp, err = c.metricClient.GetMetricDescriptor(ctx, req, settings.GRPC...)
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return err
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}, opts...)
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if err != nil {
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return nil, err
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}
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return resp, nil
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}
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// CreateMetricDescriptor creates a new metric descriptor.
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// User-created metric descriptors define
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// custom metrics (at /monitoring/custom-metrics).
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func (c *MetricClient) CreateMetricDescriptor(ctx context.Context, req *monitoringpb.CreateMetricDescriptorRequest, opts ...gax.CallOption) (*metricpb.MetricDescriptor, error) {
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md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", req.GetName()))
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ctx = insertMetadata(ctx, c.xGoogMetadata, md)
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opts = append(c.CallOptions.CreateMetricDescriptor[0:len(c.CallOptions.CreateMetricDescriptor):len(c.CallOptions.CreateMetricDescriptor)], opts...)
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var resp *metricpb.MetricDescriptor
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err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
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var err error
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resp, err = c.metricClient.CreateMetricDescriptor(ctx, req, settings.GRPC...)
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return err
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}, opts...)
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if err != nil {
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return nil, err
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}
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return resp, nil
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}
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// DeleteMetricDescriptor deletes a metric descriptor. Only user-created
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// custom metrics (at /monitoring/custom-metrics) can be deleted.
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func (c *MetricClient) DeleteMetricDescriptor(ctx context.Context, req *monitoringpb.DeleteMetricDescriptorRequest, opts ...gax.CallOption) error {
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md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", req.GetName()))
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ctx = insertMetadata(ctx, c.xGoogMetadata, md)
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opts = append(c.CallOptions.DeleteMetricDescriptor[0:len(c.CallOptions.DeleteMetricDescriptor):len(c.CallOptions.DeleteMetricDescriptor)], opts...)
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err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
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var err error
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_, err = c.metricClient.DeleteMetricDescriptor(ctx, req, settings.GRPC...)
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return err
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}, opts...)
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return err
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}
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// ListTimeSeries lists time series that match a filter. This method does not require a
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// Stackdriver account.
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func (c *MetricClient) ListTimeSeries(ctx context.Context, req *monitoringpb.ListTimeSeriesRequest, opts ...gax.CallOption) *TimeSeriesIterator {
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md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", req.GetName()))
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ctx = insertMetadata(ctx, c.xGoogMetadata, md)
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opts = append(c.CallOptions.ListTimeSeries[0:len(c.CallOptions.ListTimeSeries):len(c.CallOptions.ListTimeSeries)], opts...)
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it := &TimeSeriesIterator{}
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req = proto.Clone(req).(*monitoringpb.ListTimeSeriesRequest)
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it.InternalFetch = func(pageSize int, pageToken string) ([]*monitoringpb.TimeSeries, string, error) {
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var resp *monitoringpb.ListTimeSeriesResponse
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req.PageToken = pageToken
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if pageSize > math.MaxInt32 {
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req.PageSize = math.MaxInt32
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} else {
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req.PageSize = int32(pageSize)
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}
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err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
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var err error
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resp, err = c.metricClient.ListTimeSeries(ctx, req, settings.GRPC...)
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return err
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}, opts...)
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if err != nil {
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return nil, "", err
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}
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return resp.TimeSeries, resp.NextPageToken, nil
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}
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fetch := func(pageSize int, pageToken string) (string, error) {
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items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
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if err != nil {
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return "", err
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}
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it.items = append(it.items, items...)
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return nextPageToken, nil
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}
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it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
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it.pageInfo.MaxSize = int(req.PageSize)
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it.pageInfo.Token = req.PageToken
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return it
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}
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// CreateTimeSeries creates or adds data to one or more time series.
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// The response is empty if all time series in the request were written.
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// If any time series could not be written, a corresponding failure message is
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// included in the error response.
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func (c *MetricClient) CreateTimeSeries(ctx context.Context, req *monitoringpb.CreateTimeSeriesRequest, opts ...gax.CallOption) error {
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md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", req.GetName()))
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ctx = insertMetadata(ctx, c.xGoogMetadata, md)
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opts = append(c.CallOptions.CreateTimeSeries[0:len(c.CallOptions.CreateTimeSeries):len(c.CallOptions.CreateTimeSeries)], opts...)
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err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
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var err error
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_, err = c.metricClient.CreateTimeSeries(ctx, req, settings.GRPC...)
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return err
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}, opts...)
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return err
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}
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// MetricDescriptorIterator manages a stream of *metricpb.MetricDescriptor.
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type MetricDescriptorIterator struct {
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items []*metricpb.MetricDescriptor
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pageInfo *iterator.PageInfo
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nextFunc func() error
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// InternalFetch is for use by the Google Cloud Libraries only.
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// It is not part of the stable interface of this package.
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//
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// InternalFetch returns results from a single call to the underlying RPC.
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// The number of results is no greater than pageSize.
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// If there are no more results, nextPageToken is empty and err is nil.
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InternalFetch func(pageSize int, pageToken string) (results []*metricpb.MetricDescriptor, nextPageToken string, err error)
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}
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// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
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func (it *MetricDescriptorIterator) PageInfo() *iterator.PageInfo {
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return it.pageInfo
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}
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// Next returns the next result. Its second return value is iterator.Done if there are no more
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// results. Once Next returns Done, all subsequent calls will return Done.
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func (it *MetricDescriptorIterator) Next() (*metricpb.MetricDescriptor, error) {
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var item *metricpb.MetricDescriptor
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if err := it.nextFunc(); err != nil {
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return item, err
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}
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item = it.items[0]
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it.items = it.items[1:]
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return item, nil
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}
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func (it *MetricDescriptorIterator) bufLen() int {
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return len(it.items)
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}
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func (it *MetricDescriptorIterator) takeBuf() interface{} {
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b := it.items
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it.items = nil
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return b
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}
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// MonitoredResourceDescriptorIterator manages a stream of *monitoredrespb.MonitoredResourceDescriptor.
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type MonitoredResourceDescriptorIterator struct {
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items []*monitoredrespb.MonitoredResourceDescriptor
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pageInfo *iterator.PageInfo
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nextFunc func() error
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// InternalFetch is for use by the Google Cloud Libraries only.
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// It is not part of the stable interface of this package.
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//
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// InternalFetch returns results from a single call to the underlying RPC.
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// The number of results is no greater than pageSize.
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// If there are no more results, nextPageToken is empty and err is nil.
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InternalFetch func(pageSize int, pageToken string) (results []*monitoredrespb.MonitoredResourceDescriptor, nextPageToken string, err error)
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}
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// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
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func (it *MonitoredResourceDescriptorIterator) PageInfo() *iterator.PageInfo {
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return it.pageInfo
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}
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// Next returns the next result. Its second return value is iterator.Done if there are no more
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// results. Once Next returns Done, all subsequent calls will return Done.
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func (it *MonitoredResourceDescriptorIterator) Next() (*monitoredrespb.MonitoredResourceDescriptor, error) {
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var item *monitoredrespb.MonitoredResourceDescriptor
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if err := it.nextFunc(); err != nil {
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return item, err
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}
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item = it.items[0]
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it.items = it.items[1:]
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return item, nil
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}
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func (it *MonitoredResourceDescriptorIterator) bufLen() int {
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return len(it.items)
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}
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func (it *MonitoredResourceDescriptorIterator) takeBuf() interface{} {
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b := it.items
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it.items = nil
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return b
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}
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// TimeSeriesIterator manages a stream of *monitoringpb.TimeSeries.
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type TimeSeriesIterator struct {
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items []*monitoringpb.TimeSeries
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pageInfo *iterator.PageInfo
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nextFunc func() error
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// InternalFetch is for use by the Google Cloud Libraries only.
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// It is not part of the stable interface of this package.
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//
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// InternalFetch returns results from a single call to the underlying RPC.
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// The number of results is no greater than pageSize.
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// If there are no more results, nextPageToken is empty and err is nil.
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InternalFetch func(pageSize int, pageToken string) (results []*monitoringpb.TimeSeries, nextPageToken string, err error)
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}
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// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
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func (it *TimeSeriesIterator) PageInfo() *iterator.PageInfo {
|
|
return it.pageInfo
|
|
}
|
|
|
|
// Next returns the next result. Its second return value is iterator.Done if there are no more
|
|
// results. Once Next returns Done, all subsequent calls will return Done.
|
|
func (it *TimeSeriesIterator) Next() (*monitoringpb.TimeSeries, error) {
|
|
var item *monitoringpb.TimeSeries
|
|
if err := it.nextFunc(); err != nil {
|
|
return item, err
|
|
}
|
|
item = it.items[0]
|
|
it.items = it.items[1:]
|
|
return item, nil
|
|
}
|
|
|
|
func (it *TimeSeriesIterator) bufLen() int {
|
|
return len(it.items)
|
|
}
|
|
|
|
func (it *TimeSeriesIterator) takeBuf() interface{} {
|
|
b := it.items
|
|
it.items = nil
|
|
return b
|
|
}
|