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run.go
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run.go
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// Copyright 2024 Jakub Zelenka and The WST 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 run
import (
"github.com/bukka/wst/app"
"github.com/bukka/wst/conf"
"github.com/bukka/wst/run/spec"
"os"
"path/filepath"
)
type Options struct {
ConfigPaths []string
IncludeAll bool
Overwrites map[string]string
NoEnvs bool
Instances []string
}
type Runner struct {
fnd app.Foundation
configMaker *conf.ConfigMaker
specMaker *spec.Maker
}
func CreateRunner(fnd app.Foundation) *Runner {
return &Runner{
fnd: fnd,
configMaker: conf.CreateConfigMaker(fnd),
specMaker: spec.CreateMaker(fnd),
}
}
func (r *Runner) Execute(options *Options) error {
var configPaths []string
if options.IncludeAll {
extraPaths := r.getConfigPaths()
configPaths = append(options.ConfigPaths, extraPaths...)
} else {
configPaths = options.ConfigPaths
}
configPaths = r.removeDuplicates(configPaths)
r.fnd.Logger().Info("Executing configuration")
r.fnd.Logger().Debugf("Creating config for paths %v and overwrites %v", configPaths, options.Overwrites)
config, err := r.configMaker.Make(configPaths, options.Overwrites)
if err != nil {
return err
}
r.fnd.Logger().Debug("Creating specification")
specification, err := r.specMaker.Make(&config.Spec)
if err != nil {
return err
}
r.fnd.Logger().Debug("Running instances")
return specification.Run(options.Instances)
}
func (r *Runner) getConfigPaths() []string {
var paths []string
home, _ := r.fnd.UserHomeDir()
r.validateAndAppendPath("wst.yaml", &paths)
r.validateAndAppendPath(filepath.Join(home, ".wst/wst.yaml"), &paths)
r.validateAndAppendPath(filepath.Join(home, ".config/wst/wst.yaml"), &paths)
return paths
}
func (r *Runner) validateAndAppendPath(path string, paths *[]string) {
if _, err := r.fnd.Fs().Stat(path); !os.IsNotExist(err) {
*paths = append(*paths, path)
}
}
func (r *Runner) removeDuplicates(elements []string) []string {
encountered := map[string]bool{}
var result []string
for v := range elements {
if !encountered[elements[v]] {
encountered[elements[v]] = true
result = append(result, elements[v])
}
}
return result
}