rclone/vendor/cloud.google.com/go/logging/apiv2/metrics_client.go
2018-03-19 15:51:38 +00:00

264 lines
9 KiB
Go

// Copyright 2018 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
//
// https://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.
// AUTO-GENERATED CODE. DO NOT EDIT.
package logging
import (
"math"
"time"
"cloud.google.com/go/internal/version"
gax "github.com/googleapis/gax-go"
"golang.org/x/net/context"
"google.golang.org/api/iterator"
"google.golang.org/api/option"
"google.golang.org/api/transport"
loggingpb "google.golang.org/genproto/googleapis/logging/v2"
"google.golang.org/grpc"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/metadata"
)
// MetricsCallOptions contains the retry settings for each method of MetricsClient.
type MetricsCallOptions struct {
ListLogMetrics []gax.CallOption
GetLogMetric []gax.CallOption
CreateLogMetric []gax.CallOption
UpdateLogMetric []gax.CallOption
DeleteLogMetric []gax.CallOption
}
func defaultMetricsClientOptions() []option.ClientOption {
return []option.ClientOption{
option.WithEndpoint("logging.googleapis.com:443"),
option.WithScopes(DefaultAuthScopes()...),
}
}
func defaultMetricsCallOptions() *MetricsCallOptions {
retry := map[[2]string][]gax.CallOption{
{"default", "idempotent"}: {
gax.WithRetry(func() gax.Retryer {
return gax.OnCodes([]codes.Code{
codes.DeadlineExceeded,
codes.Internal,
codes.Unavailable,
}, gax.Backoff{
Initial: 100 * time.Millisecond,
Max: 1000 * time.Millisecond,
Multiplier: 1.2,
})
}),
},
}
return &MetricsCallOptions{
ListLogMetrics: retry[[2]string{"default", "idempotent"}],
GetLogMetric: retry[[2]string{"default", "idempotent"}],
CreateLogMetric: retry[[2]string{"default", "non_idempotent"}],
UpdateLogMetric: retry[[2]string{"default", "non_idempotent"}],
DeleteLogMetric: retry[[2]string{"default", "idempotent"}],
}
}
// MetricsClient is a client for interacting with Stackdriver Logging API.
type MetricsClient struct {
// The connection to the service.
conn *grpc.ClientConn
// The gRPC API client.
metricsClient loggingpb.MetricsServiceV2Client
// The call options for this service.
CallOptions *MetricsCallOptions
// The x-goog-* metadata to be sent with each request.
xGoogMetadata metadata.MD
}
// NewMetricsClient creates a new metrics service v2 client.
//
// Service for configuring logs-based metrics.
func NewMetricsClient(ctx context.Context, opts ...option.ClientOption) (*MetricsClient, error) {
conn, err := transport.DialGRPC(ctx, append(defaultMetricsClientOptions(), opts...)...)
if err != nil {
return nil, err
}
c := &MetricsClient{
conn: conn,
CallOptions: defaultMetricsCallOptions(),
metricsClient: loggingpb.NewMetricsServiceV2Client(conn),
}
c.SetGoogleClientInfo()
return c, nil
}
// Connection returns the client's connection to the API service.
func (c *MetricsClient) Connection() *grpc.ClientConn {
return c.conn
}
// Close closes the connection to the API service. The user should invoke this when
// the client is no longer required.
func (c *MetricsClient) Close() error {
return c.conn.Close()
}
// SetGoogleClientInfo sets the name and version of the application in
// the `x-goog-api-client` header passed on each request. Intended for
// use by Google-written clients.
func (c *MetricsClient) SetGoogleClientInfo(keyval ...string) {
kv := append([]string{"gl-go", version.Go()}, keyval...)
kv = append(kv, "gapic", version.Repo, "gax", gax.Version, "grpc", grpc.Version)
c.xGoogMetadata = metadata.Pairs("x-goog-api-client", gax.XGoogHeader(kv...))
}
// ListLogMetrics lists logs-based metrics.
func (c *MetricsClient) ListLogMetrics(ctx context.Context, req *loggingpb.ListLogMetricsRequest, opts ...gax.CallOption) *LogMetricIterator {
ctx = insertMetadata(ctx, c.xGoogMetadata)
opts = append(c.CallOptions.ListLogMetrics[0:len(c.CallOptions.ListLogMetrics):len(c.CallOptions.ListLogMetrics)], opts...)
it := &LogMetricIterator{}
it.InternalFetch = func(pageSize int, pageToken string) ([]*loggingpb.LogMetric, string, error) {
var resp *loggingpb.ListLogMetricsResponse
req.PageToken = pageToken
if pageSize > math.MaxInt32 {
req.PageSize = math.MaxInt32
} else {
req.PageSize = int32(pageSize)
}
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.metricsClient.ListLogMetrics(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, "", err
}
return resp.Metrics, resp.NextPageToken, nil
}
fetch := func(pageSize int, pageToken string) (string, error) {
items, nextPageToken, err := it.InternalFetch(pageSize, pageToken)
if err != nil {
return "", err
}
it.items = append(it.items, items...)
return nextPageToken, nil
}
it.pageInfo, it.nextFunc = iterator.NewPageInfo(fetch, it.bufLen, it.takeBuf)
return it
}
// GetLogMetric gets a logs-based metric.
func (c *MetricsClient) GetLogMetric(ctx context.Context, req *loggingpb.GetLogMetricRequest, opts ...gax.CallOption) (*loggingpb.LogMetric, error) {
ctx = insertMetadata(ctx, c.xGoogMetadata)
opts = append(c.CallOptions.GetLogMetric[0:len(c.CallOptions.GetLogMetric):len(c.CallOptions.GetLogMetric)], opts...)
var resp *loggingpb.LogMetric
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.metricsClient.GetLogMetric(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// CreateLogMetric creates a logs-based metric.
func (c *MetricsClient) CreateLogMetric(ctx context.Context, req *loggingpb.CreateLogMetricRequest, opts ...gax.CallOption) (*loggingpb.LogMetric, error) {
ctx = insertMetadata(ctx, c.xGoogMetadata)
opts = append(c.CallOptions.CreateLogMetric[0:len(c.CallOptions.CreateLogMetric):len(c.CallOptions.CreateLogMetric)], opts...)
var resp *loggingpb.LogMetric
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.metricsClient.CreateLogMetric(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// UpdateLogMetric creates or updates a logs-based metric.
func (c *MetricsClient) UpdateLogMetric(ctx context.Context, req *loggingpb.UpdateLogMetricRequest, opts ...gax.CallOption) (*loggingpb.LogMetric, error) {
ctx = insertMetadata(ctx, c.xGoogMetadata)
opts = append(c.CallOptions.UpdateLogMetric[0:len(c.CallOptions.UpdateLogMetric):len(c.CallOptions.UpdateLogMetric)], opts...)
var resp *loggingpb.LogMetric
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.metricsClient.UpdateLogMetric(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// DeleteLogMetric deletes a logs-based metric.
func (c *MetricsClient) DeleteLogMetric(ctx context.Context, req *loggingpb.DeleteLogMetricRequest, opts ...gax.CallOption) error {
ctx = insertMetadata(ctx, c.xGoogMetadata)
opts = append(c.CallOptions.DeleteLogMetric[0:len(c.CallOptions.DeleteLogMetric):len(c.CallOptions.DeleteLogMetric)], opts...)
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
_, err = c.metricsClient.DeleteLogMetric(ctx, req, settings.GRPC...)
return err
}, opts...)
return err
}
// LogMetricIterator manages a stream of *loggingpb.LogMetric.
type LogMetricIterator struct {
items []*loggingpb.LogMetric
pageInfo *iterator.PageInfo
nextFunc func() error
// InternalFetch is for use by the Google Cloud Libraries only.
// It is not part of the stable interface of this package.
//
// InternalFetch returns results from a single call to the underlying RPC.
// The number of results is no greater than pageSize.
// If there are no more results, nextPageToken is empty and err is nil.
InternalFetch func(pageSize int, pageToken string) (results []*loggingpb.LogMetric, nextPageToken string, err error)
}
// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
func (it *LogMetricIterator) 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 *LogMetricIterator) Next() (*loggingpb.LogMetric, error) {
var item *loggingpb.LogMetric
if err := it.nextFunc(); err != nil {
return item, err
}
item = it.items[0]
it.items = it.items[1:]
return item, nil
}
func (it *LogMetricIterator) bufLen() int {
return len(it.items)
}
func (it *LogMetricIterator) takeBuf() interface{} {
b := it.items
it.items = nil
return b
}