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deploy.go
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deploy.go
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// Copyright 2021 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 lambda
import (
"context"
"strconv"
"github.com/pipe-cd/pipecd/pkg/app/piped/deploysource"
"github.com/pipe-cd/pipecd/pkg/app/piped/executor"
"github.com/pipe-cd/pipecd/pkg/config"
"github.com/pipe-cd/pipecd/pkg/model"
"go.uber.org/zap"
)
const promotePercentageMetadataKey = "promote-percentage"
type deployExecutor struct {
executor.Input
deploySource *deploysource.DeploySource
appCfg *config.LambdaApplicationSpec
cloudProviderName string
cloudProviderCfg *config.CloudProviderLambdaConfig
}
func (e *deployExecutor) Execute(sig executor.StopSignal) model.StageStatus {
ctx := sig.Context()
ds, err := e.TargetDSP.GetReadOnly(ctx, e.LogPersister)
if err != nil {
e.LogPersister.Errorf("Failed to prepare target deploy source data (%v)", err)
return model.StageStatus_STAGE_FAILURE
}
e.deploySource = ds
e.appCfg = ds.ApplicationConfig.LambdaApplicationSpec
if e.appCfg == nil {
e.LogPersister.Errorf("Malformed application configuration: missing LambdaApplicationSpec")
return model.StageStatus_STAGE_FAILURE
}
var found bool
e.cloudProviderName, e.cloudProviderCfg, found = findCloudProvider(&e.Input)
if !found {
return model.StageStatus_STAGE_FAILURE
}
var (
originalStatus = e.Stage.Status
status model.StageStatus
)
switch model.Stage(e.Stage.Name) {
case model.StageLambdaSync:
status = e.ensureSync(ctx)
case model.StageLambdaPromote:
status = e.ensurePromote(ctx)
case model.StageLambdaCanaryRollout:
status = e.ensureRollout(ctx)
default:
e.LogPersister.Errorf("Unsupported stage %s for lambda application", e.Stage.Name)
return model.StageStatus_STAGE_FAILURE
}
return executor.DetermineStageStatus(sig.Signal(), originalStatus, status)
}
func (e *deployExecutor) ensureSync(ctx context.Context) model.StageStatus {
fm, ok := loadFunctionManifest(&e.Input, e.appCfg.Input.FunctionManifestFile, e.deploySource)
if !ok {
return model.StageStatus_STAGE_FAILURE
}
if !sync(ctx, &e.Input, e.cloudProviderName, e.cloudProviderCfg, fm) {
return model.StageStatus_STAGE_FAILURE
}
return model.StageStatus_STAGE_SUCCESS
}
func (e *deployExecutor) ensurePromote(ctx context.Context) model.StageStatus {
options := e.StageConfig.LambdaPromoteStageOptions
if options == nil {
e.LogPersister.Errorf("Malformed configuration for stage %s", e.Stage.Name)
return model.StageStatus_STAGE_FAILURE
}
metadata := map[string]string{
promotePercentageMetadataKey: strconv.FormatInt(int64(options.Percent.Int()), 10),
}
if err := e.MetadataStore.Stage(e.Stage.Id).PutMulti(ctx, metadata); err != nil {
e.Logger.Error("failed to save routing percentages to metadata", zap.Error(err))
}
fm, ok := loadFunctionManifest(&e.Input, e.appCfg.Input.FunctionManifestFile, e.deploySource)
if !ok {
return model.StageStatus_STAGE_FAILURE
}
if !promote(ctx, &e.Input, e.cloudProviderName, e.cloudProviderCfg, fm) {
return model.StageStatus_STAGE_FAILURE
}
return model.StageStatus_STAGE_SUCCESS
}
func (e *deployExecutor) ensureRollout(ctx context.Context) model.StageStatus {
fm, ok := loadFunctionManifest(&e.Input, e.appCfg.Input.FunctionManifestFile, e.deploySource)
if !ok {
return model.StageStatus_STAGE_FAILURE
}
if !rollout(ctx, &e.Input, e.cloudProviderName, e.cloudProviderCfg, fm) {
return model.StageStatus_STAGE_FAILURE
}
return model.StageStatus_STAGE_SUCCESS
}