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application.go
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application.go
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// Copyright 2023 The PipeCD Authors.
//
// 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 client
import (
"context"
"fmt"
"time"
"go.uber.org/zap"
"github.com/pipe-cd/pipecd/pkg/app/server/service/apiservice"
"github.com/pipe-cd/pipecd/pkg/model"
)
// SyncApplication sents a command to sync a given application and waits until it has been triggered.
// The deployment ID will be returned or an error.
func SyncApplication(
ctx context.Context,
cli apiservice.Client,
appID string,
checkInterval, timeout time.Duration,
logger *zap.Logger,
) (string, error) {
ctx, cancel := context.WithTimeout(ctx, timeout)
defer cancel()
req := &apiservice.SyncApplicationRequest{
ApplicationId: appID,
}
resp, err := cli.SyncApplication(ctx, req)
if err != nil {
return "", fmt.Errorf("failed to sync application %w", err)
}
logger.Info("Sent a request to sync application and waiting to be accepted...")
ticker := time.NewTicker(checkInterval)
defer ticker.Stop()
check := func() (deploymentID string, shouldRetry bool) {
cmd, err := getCommand(ctx, cli, resp.CommandId)
if err != nil {
logger.Error(fmt.Sprintf("Failed while retrieving command information. Try again. (%v)", err))
shouldRetry = true
return
}
if cmd.Type != model.Command_SYNC_APPLICATION {
logger.Error(fmt.Sprintf("Unexpected command type, want: %s, got: %s", model.Command_SYNC_APPLICATION.String(), cmd.Type.String()))
return
}
switch cmd.Status {
case model.CommandStatus_COMMAND_SUCCEEDED:
deploymentID = cmd.Metadata[model.MetadataKeyTriggeredDeploymentID]
return
case model.CommandStatus_COMMAND_FAILED:
logger.Error("The request was unable to handle")
return
case model.CommandStatus_COMMAND_TIMEOUT:
logger.Error("The request was timed out")
return
default:
shouldRetry = true
return
}
}
for {
select {
case <-ctx.Done():
return "", ctx.Err()
case <-ticker.C:
deploymentID, shouldRetry := check()
if shouldRetry {
logger.Info("...")
continue
}
if deploymentID == "" {
return "", fmt.Errorf("failed to detect the triggered deployment ID")
}
return deploymentID, nil
}
}
}