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deployment.go
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deployment.go
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// Copyright 2020 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"
)
// WaitDeploymentStatuses waits a given deployment until it reaches one of the specified statuses.
func WaitDeploymentStatuses(
ctx context.Context,
cli apiservice.Client,
deploymentID string,
statuses []model.DeploymentStatus,
checkInterval, timeout time.Duration,
logger *zap.Logger,
) error {
ctx, cancel := context.WithTimeout(ctx, timeout)
defer cancel()
statusMap := makeDeploymentStatusesMap(statuses)
ticker := time.NewTicker(checkInterval)
defer ticker.Stop()
check := func() (status string, shouldRetry bool) {
req := &apiservice.GetDeploymentRequest{
DeploymentId: deploymentID,
}
resp, err := cli.GetDeployment(ctx, req)
if err != nil {
logger.Error(fmt.Sprintf("Failed while retrieving deployment information. Try again. (%v)", err))
shouldRetry = true
return
}
if _, ok := statusMap[resp.Deployment.Status]; !ok {
shouldRetry = true
return
}
status = resp.Deployment.Status.String()
return
}
// Do the first check immediately.
status, shouldRetry := check()
if !shouldRetry {
logger.Info(fmt.Sprintf("Deployment is at %s status", status))
return nil
}
for {
select {
case <-ctx.Done():
return ctx.Err()
case <-ticker.C:
status, shouldRetry := check()
if shouldRetry {
logger.Info("...")
continue
}
logger.Info(fmt.Sprintf("Deployment is at %s status", status))
return nil
}
}
}
func makeDeploymentStatusesMap(statuses []model.DeploymentStatus) map[model.DeploymentStatus]struct{} {
out := make(map[model.DeploymentStatus]struct{}, len(statuses))
for _, s := range statuses {
out[model.DeploymentStatus(s)] = struct{}{}
}
return out
}