Current File : //home/waritko/go/src/cloud.google.com/go/monitoring/apiv3/alert_policy_client.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 monitoring
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"
monitoringpb "google.golang.org/genproto/googleapis/monitoring/v3"
"google.golang.org/grpc"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/metadata"
)
// AlertPolicyCallOptions contains the retry settings for each method of AlertPolicyClient.
type AlertPolicyCallOptions struct {
ListAlertPolicies []gax.CallOption
GetAlertPolicy []gax.CallOption
CreateAlertPolicy []gax.CallOption
DeleteAlertPolicy []gax.CallOption
UpdateAlertPolicy []gax.CallOption
}
func defaultAlertPolicyClientOptions() []option.ClientOption {
return []option.ClientOption{
option.WithEndpoint("monitoring.googleapis.com:443"),
option.WithScopes(DefaultAuthScopes()...),
}
}
func defaultAlertPolicyCallOptions() *AlertPolicyCallOptions {
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 &AlertPolicyCallOptions{
ListAlertPolicies: retry[[2]string{"default", "idempotent"}],
GetAlertPolicy: retry[[2]string{"default", "idempotent"}],
CreateAlertPolicy: retry[[2]string{"default", "non_idempotent"}],
DeleteAlertPolicy: retry[[2]string{"default", "idempotent"}],
UpdateAlertPolicy: retry[[2]string{"default", "non_idempotent"}],
}
}
// AlertPolicyClient is a client for interacting with Stackdriver Monitoring API.
type AlertPolicyClient struct {
// The connection to the service.
conn *grpc.ClientConn
// The gRPC API client.
alertPolicyClient monitoringpb.AlertPolicyServiceClient
// The call options for this service.
CallOptions *AlertPolicyCallOptions
// The x-goog-* metadata to be sent with each request.
xGoogMetadata metadata.MD
}
// NewAlertPolicyClient creates a new alert policy service client.
//
// The AlertPolicyService API is used to manage (list, create, delete,
// edit) alert policies in Stackdriver Monitoring. An alerting policy is
// a description of the conditions under which some aspect of your
// system is considered to be "unhealthy" and the ways to notify
// people or services about this state. In addition to using this API, alert
// policies can also be managed through
// Stackdriver Monitoring (at https://cloud.google.com/monitoring/docs/),
// which can be reached by clicking the "Monitoring" tab in
// Cloud Console (at https://console.cloud.google.com/).
func NewAlertPolicyClient(ctx context.Context, opts ...option.ClientOption) (*AlertPolicyClient, error) {
conn, err := transport.DialGRPC(ctx, append(defaultAlertPolicyClientOptions(), opts...)...)
if err != nil {
return nil, err
}
c := &AlertPolicyClient{
conn: conn,
CallOptions: defaultAlertPolicyCallOptions(),
alertPolicyClient: monitoringpb.NewAlertPolicyServiceClient(conn),
}
c.setGoogleClientInfo()
return c, nil
}
// Connection returns the client's connection to the API service.
func (c *AlertPolicyClient) 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 *AlertPolicyClient) 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 *AlertPolicyClient) 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...))
}
// ListAlertPolicies lists the existing alerting policies for the project.
func (c *AlertPolicyClient) ListAlertPolicies(ctx context.Context, req *monitoringpb.ListAlertPoliciesRequest, opts ...gax.CallOption) *AlertPolicyIterator {
ctx = insertMetadata(ctx, c.xGoogMetadata)
opts = append(c.CallOptions.ListAlertPolicies[0:len(c.CallOptions.ListAlertPolicies):len(c.CallOptions.ListAlertPolicies)], opts...)
it := &AlertPolicyIterator{}
it.InternalFetch = func(pageSize int, pageToken string) ([]*monitoringpb.AlertPolicy, string, error) {
var resp *monitoringpb.ListAlertPoliciesResponse
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.alertPolicyClient.ListAlertPolicies(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, "", err
}
return resp.AlertPolicies, 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
}
// GetAlertPolicy gets a single alerting policy.
func (c *AlertPolicyClient) GetAlertPolicy(ctx context.Context, req *monitoringpb.GetAlertPolicyRequest, opts ...gax.CallOption) (*monitoringpb.AlertPolicy, error) {
ctx = insertMetadata(ctx, c.xGoogMetadata)
opts = append(c.CallOptions.GetAlertPolicy[0:len(c.CallOptions.GetAlertPolicy):len(c.CallOptions.GetAlertPolicy)], opts...)
var resp *monitoringpb.AlertPolicy
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.alertPolicyClient.GetAlertPolicy(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// CreateAlertPolicy creates a new alerting policy.
func (c *AlertPolicyClient) CreateAlertPolicy(ctx context.Context, req *monitoringpb.CreateAlertPolicyRequest, opts ...gax.CallOption) (*monitoringpb.AlertPolicy, error) {
ctx = insertMetadata(ctx, c.xGoogMetadata)
opts = append(c.CallOptions.CreateAlertPolicy[0:len(c.CallOptions.CreateAlertPolicy):len(c.CallOptions.CreateAlertPolicy)], opts...)
var resp *monitoringpb.AlertPolicy
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.alertPolicyClient.CreateAlertPolicy(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// DeleteAlertPolicy deletes an alerting policy.
func (c *AlertPolicyClient) DeleteAlertPolicy(ctx context.Context, req *monitoringpb.DeleteAlertPolicyRequest, opts ...gax.CallOption) error {
ctx = insertMetadata(ctx, c.xGoogMetadata)
opts = append(c.CallOptions.DeleteAlertPolicy[0:len(c.CallOptions.DeleteAlertPolicy):len(c.CallOptions.DeleteAlertPolicy)], opts...)
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
_, err = c.alertPolicyClient.DeleteAlertPolicy(ctx, req, settings.GRPC...)
return err
}, opts...)
return err
}
// UpdateAlertPolicy updates an alerting policy. You can either replace the entire policy with
// a new one or replace only certain fields in the current alerting policy by
// specifying the fields to be updated via updateMask. Returns the
// updated alerting policy.
func (c *AlertPolicyClient) UpdateAlertPolicy(ctx context.Context, req *monitoringpb.UpdateAlertPolicyRequest, opts ...gax.CallOption) (*monitoringpb.AlertPolicy, error) {
ctx = insertMetadata(ctx, c.xGoogMetadata)
opts = append(c.CallOptions.UpdateAlertPolicy[0:len(c.CallOptions.UpdateAlertPolicy):len(c.CallOptions.UpdateAlertPolicy)], opts...)
var resp *monitoringpb.AlertPolicy
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.alertPolicyClient.UpdateAlertPolicy(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// AlertPolicyIterator manages a stream of *monitoringpb.AlertPolicy.
type AlertPolicyIterator struct {
items []*monitoringpb.AlertPolicy
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.AlertPolicy, nextPageToken string, err error)
}
// PageInfo supports pagination. See the google.golang.org/api/iterator package for details.
func (it *AlertPolicyIterator) 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 *AlertPolicyIterator) Next() (*monitoringpb.AlertPolicy, error) {
var item *monitoringpb.AlertPolicy
if err := it.nextFunc(); err != nil {
return item, err
}
item = it.items[0]
it.items = it.items[1:]
return item, nil
}
func (it *AlertPolicyIterator) bufLen() int {
return len(it.items)
}
func (it *AlertPolicyIterator) takeBuf() interface{} {
b := it.items
it.items = nil
return b
}
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