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// Copyright 2019 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.
// Code generated by gapic-generator. DO NOT EDIT.
package monitoring
import (
"context"
"fmt"
"math"
"net/url"
"time"
"github.com/golang/protobuf/proto"
gax "github.com/googleapis/gax-go/v2"
"google.golang.org/api/iterator"
"google.golang.org/api/option"
"google.golang.org/api/transport"
monitoredrespb "google.golang.org/genproto/googleapis/api/monitoredres"
monitoringpb "google.golang.org/genproto/googleapis/monitoring/v3"
"google.golang.org/grpc"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/metadata"
)
// GroupCallOptions contains the retry settings for each method of GroupClient.
type GroupCallOptions struct {
ListGroups []gax.CallOption
GetGroup []gax.CallOption
CreateGroup []gax.CallOption
UpdateGroup []gax.CallOption
DeleteGroup []gax.CallOption
ListGroupMembers []gax.CallOption
}
func defaultGroupClientOptions() []option.ClientOption {
return []option.ClientOption{
option.WithEndpoint("monitoring.googleapis.com:443"),
option.WithScopes(DefaultAuthScopes()...),
}
}
func defaultGroupCallOptions() *GroupCallOptions {
retry := map[[2]string][]gax.CallOption{
{"default", "idempotent"}: {
gax.WithRetry(func() gax.Retryer {
return gax.OnCodes([]codes.Code{
codes.DeadlineExceeded,
codes.Unavailable,
}, gax.Backoff{
Initial: 100 * time.Millisecond,
Max: 60000 * time.Millisecond,
Multiplier: 1.3,
})
}),
},
}
return &GroupCallOptions{
ListGroups: retry[[2]string{"default", "idempotent"}],
GetGroup: retry[[2]string{"default", "idempotent"}],
CreateGroup: retry[[2]string{"default", "non_idempotent"}],
UpdateGroup: retry[[2]string{"default", "idempotent"}],
DeleteGroup: retry[[2]string{"default", "idempotent"}],
ListGroupMembers: retry[[2]string{"default", "idempotent"}],
}
}
// GroupClient is a client for interacting with Stackdriver Monitoring API.
//
// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
type GroupClient struct {
// The connection to the service.
conn *grpc.ClientConn
// The gRPC API client.
groupClient monitoringpb.GroupServiceClient
// The call options for this service.
CallOptions *GroupCallOptions
// The x-goog-* metadata to be sent with each request.
xGoogMetadata metadata.MD
}
// NewGroupClient creates a new group service client.
//
// The Group API lets you inspect and manage your
// groups (at #google.monitoring.v3.Group).
//
// A group is a named filter that is used to identify
// a collection of monitored resources. Groups are typically used to
// mirror the physical and/or logical topology of the environment.
// Because group membership is computed dynamically, monitored
// resources that are started in the future are automatically placed
// in matching groups. By using a group to name monitored resources in,
// for example, an alert policy, the target of that alert policy is
// updated automatically as monitored resources are added and removed
// from the infrastructure.
func NewGroupClient(ctx context.Context, opts ...option.ClientOption) (*GroupClient, error) {
conn, err := transport.DialGRPC(ctx, append(defaultGroupClientOptions(), opts...)...)
if err != nil {
return nil, err
}
c := &GroupClient{
conn: conn,
CallOptions: defaultGroupCallOptions(),
groupClient: monitoringpb.NewGroupServiceClient(conn),
}
c.setGoogleClientInfo()
return c, nil
}
// Connection returns the client's connection to the API service.
func (c *GroupClient) 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 *GroupClient) 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 *GroupClient) setGoogleClientInfo(keyval ...string) {
kv := append([]string{"gl-go", versionGo()}, keyval...)
kv = append(kv, "gapic", versionClient, "gax", gax.Version, "grpc", grpc.Version)
c.xGoogMetadata = metadata.Pairs("x-goog-api-client", gax.XGoogHeader(kv...))
}
// ListGroups lists the existing groups.
func (c *GroupClient) ListGroups(ctx context.Context, req *monitoringpb.ListGroupsRequest, opts ...gax.CallOption) *GroupIterator {
md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName())))
ctx = insertMetadata(ctx, c.xGoogMetadata, md)
opts = append(c.CallOptions.ListGroups[0:len(c.CallOptions.ListGroups):len(c.CallOptions.ListGroups)], opts...)
it := &GroupIterator{}
req = proto.Clone(req).(*monitoringpb.ListGroupsRequest)
it.InternalFetch = func(pageSize int, pageToken string) ([]*monitoringpb.Group, string, error) {
var resp *monitoringpb.ListGroupsResponse
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.groupClient.ListGroups(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, "", err
}
return resp.Group, 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)
it.pageInfo.MaxSize = int(req.PageSize)
it.pageInfo.Token = req.PageToken
return it
}
// GetGroup gets a single group.
func (c *GroupClient) GetGroup(ctx context.Context, req *monitoringpb.GetGroupRequest, opts ...gax.CallOption) (*monitoringpb.Group, error) {
md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName())))
ctx = insertMetadata(ctx, c.xGoogMetadata, md)
opts = append(c.CallOptions.GetGroup[0:len(c.CallOptions.GetGroup):len(c.CallOptions.GetGroup)], opts...)
var resp *monitoringpb.Group
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.groupClient.GetGroup(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// CreateGroup creates a new group.
func (c *GroupClient) CreateGroup(ctx context.Context, req *monitoringpb.CreateGroupRequest, opts ...gax.CallOption) (*monitoringpb.Group, error) {
md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName())))
ctx = insertMetadata(ctx, c.xGoogMetadata, md)
opts = append(c.CallOptions.CreateGroup[0:len(c.CallOptions.CreateGroup):len(c.CallOptions.CreateGroup)], opts...)
var resp *monitoringpb.Group
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.groupClient.CreateGroup(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// UpdateGroup updates an existing group.
// You can change any group attributes except name.
func (c *GroupClient) UpdateGroup(ctx context.Context, req *monitoringpb.UpdateGroupRequest, opts ...gax.CallOption) (*monitoringpb.Group, error) {
md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "group.name", url.QueryEscape(req.GetGroup().GetName())))
ctx = insertMetadata(ctx, c.xGoogMetadata, md)
opts = append(c.CallOptions.UpdateGroup[0:len(c.CallOptions.UpdateGroup):len(c.CallOptions.UpdateGroup)], opts...)
var resp *monitoringpb.Group
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.groupClient.UpdateGroup(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// DeleteGroup deletes an existing group.
func (c *GroupClient) DeleteGroup(ctx context.Context, req *monitoringpb.DeleteGroupRequest, opts ...gax.CallOption) error {
md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName())))
ctx = insertMetadata(ctx, c.xGoogMetadata, md)
opts = append(c.CallOptions.DeleteGroup[0:len(c.CallOptions.DeleteGroup):len(c.CallOptions.DeleteGroup)], opts...)
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
_, err = c.groupClient.DeleteGroup(ctx, req, settings.GRPC...)
return err
}, opts...)
return err
}
// ListGroupMembers lists the monitored resources that are members of a group.
func (c *GroupClient) ListGroupMembers(ctx context.Context, req *monitoringpb.ListGroupMembersRequest, opts ...gax.CallOption) *MonitoredResourceIterator {
md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "name", url.QueryEscape(req.GetName())))
ctx = insertMetadata(ctx, c.xGoogMetadata, md)
opts = append(c.CallOptions.ListGroupMembers[0:len(c.CallOptions.ListGroupMembers):len(c.CallOptions.ListGroupMembers)], opts...)
it := &MonitoredResourceIterator{}
req = proto.Clone(req).(*monitoringpb.ListGroupMembersRequest)
it.InternalFetch = func(pageSize int, pageToken string) ([]*monitoredrespb.MonitoredResource, string, error) {
var resp *monitoringpb.ListGroupMembersResponse
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.groupClient.ListGroupMembers(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, "", err
}
return resp.Members, 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)
it.pageInfo.MaxSize = int(req.PageSize)
it.pageInfo.Token = req.PageToken
return it
}
// GroupIterator manages a stream of *monitoringpb.Group.
type GroupIterator struct {
items []*monitoringpb.Group
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 []*monitoringpb.Group, nextPageToken string, err error)
}
// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
func (it *GroupIterator) 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 *GroupIterator) Next() (*monitoringpb.Group, error) {
var item *monitoringpb.Group
if err := it.nextFunc(); err != nil {
return item, err
}
item = it.items[0]
it.items = it.items[1:]
return item, nil
}
func (it *GroupIterator) bufLen() int {
return len(it.items)
}
func (it *GroupIterator) takeBuf() interface{} {
b := it.items
it.items = nil
return b
}
// MonitoredResourceIterator manages a stream of *monitoredrespb.MonitoredResource.
type MonitoredResourceIterator struct {
items []*monitoredrespb.MonitoredResource
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 []*monitoredrespb.MonitoredResource, nextPageToken string, err error)
}
// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
func (it *MonitoredResourceIterator) 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 *MonitoredResourceIterator) Next() (*monitoredrespb.MonitoredResource, error) {
var item *monitoredrespb.MonitoredResource
if err := it.nextFunc(); err != nil {
return item, err
}
item = it.items[0]
it.items = it.items[1:]
return item, nil
}
func (it *MonitoredResourceIterator) bufLen() int {
return len(it.items)
}
func (it *MonitoredResourceIterator) takeBuf() interface{} {
b := it.items
it.items = nil
return b
}
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