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planner.go
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planner.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 planner provides a piped component
// that decides the deployment pipeline of a deployment.
// The planner bases on the changes from git commits
// then builds the deployment manifests to know the behavior of the deployment.
// From that behavior the planner can decides which pipeline should be applied.
package planner
import (
"context"
"strings"
"go.uber.org/zap"
"github.com/pipe-cd/pipe/pkg/cache"
"github.com/pipe-cd/pipe/pkg/config"
"github.com/pipe-cd/pipe/pkg/git"
"github.com/pipe-cd/pipe/pkg/model"
"github.com/pipe-cd/pipe/pkg/regexpool"
)
type Planner interface {
Plan(ctx context.Context, in Input) (Output, error)
}
type Input struct {
// Readonly deployment model.
Deployment *model.Deployment
MostRecentSuccessfulCommitHash string
DeploymentConfig *config.Config
Repo git.Repo
RepoDir string
AppDir string
AppManifestsCache cache.Cache
RegexPool *regexpool.Pool
Logger *zap.Logger
}
type Output struct {
Version string
Stages []*model.PipelineStage
Summary string
}
// MakeInitialStageMetadata makes the initial metadata for the given state configuration.
func MakeInitialStageMetadata(cfg config.PipelineStage) map[string]string {
switch cfg.Name {
case model.StageWaitApproval:
return map[string]string{
"Approvers": strings.Join(cfg.WaitApprovalStageOptions.Approvers, ","),
}
default:
return nil
}
}