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main.go
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main.go
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// Copyright 2016 Palantir Technologies, Inc.
//
// 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 main
import (
"fmt"
"io"
"os"
"path/filepath"
"github.com/nmiyake/pkg/errorstringer"
"github.com/palantir/godel/v2/framework/builtintasks"
"github.com/palantir/godel/v2/framework/godel"
"github.com/palantir/godel/v2/framework/godel/config"
"github.com/palantir/godel/v2/framework/godellauncher"
"github.com/palantir/godel/v2/framework/godellauncher/defaulttasks"
"github.com/palantir/godel/v2/framework/plugins"
)
func main() {
os.Exit(runGodelApp(os.Args))
}
func runGodelApp(osArgs []string) int {
os.Args = osArgs
global, err := godellauncher.ParseAppArgs(os.Args)
tasksCfgInfo := config.TasksConfigInfo{
BuiltinPluginsConfig: defaulttasks.BuiltinPluginsConfig(),
}
if err != nil {
// match invalid flag output with that provided by Cobra CLI
printErrAndExit(fmt.Errorf(err.Error()+"\n"+godellauncher.UsageString(createTasks(nil, nil, nil, tasksCfgInfo))), false)
}
var allUpgradeConfigTasks []godellauncher.UpgradeConfigTask
var defaultTasks, pluginTasks []godellauncher.Task
if global.Wrapper != "" {
godelCfg, err := config.ReadGodelConfigFromProjectDir(filepath.Dir(global.Wrapper))
if err != nil {
printErrAndExit(err, global.Debug)
}
// set environment variables specified in configuration
for k, v := range godelCfg.Environment {
if err := os.Setenv(k, v); err != nil {
printErrAndExit(err, global.Debug)
}
}
taskCfgProviders := config.TasksConfigProvidersConfig(godelCfg.TasksConfigProviders)
configProvidersParam, err := taskCfgProviders.ToParam()
if err != nil {
printErrAndExit(err, global.Debug)
}
providedConfigs, err := plugins.LoadProvidedConfigurations(configProvidersParam, os.Stdout)
if err != nil {
printErrAndExit(err, global.Debug)
}
tasksConfig := config.TasksConfig{}
// add resolved configurations
tasksConfig.Combine(providedConfigs...)
// add configuration specified in config file (overrides any provided config)
tasksConfig.Combine(config.TasksConfig(godelCfg.TasksConfig))
tasksCfgInfo.TasksConfig = tasksConfig
// add default tasks
defaultTasksCfg, err := defaulttasks.PluginsConfig(config.DefaultTasksConfig(tasksConfig.DefaultTasks))
if err != nil {
printErrAndExit(err, global.Debug)
}
defaultTasksParam, err := defaultTasksCfg.ToParam()
if err != nil {
printErrAndExit(err, global.Debug)
}
var defaultUpgradeConfigTasks, pluginUpgradeConfigTasks []godellauncher.UpgradeConfigTask
tasksCfgInfo.DefaultTasksPluginsConfig = defaultTasksCfg
defaultTasks, defaultUpgradeConfigTasks, err = plugins.LoadPluginsTasks(defaultTasksParam, os.Stdout)
if err != nil {
printErrAndExit(err, global.Debug)
}
// add tasks provided by plugins
pluginsCfg := config.PluginsConfig(tasksConfig.Plugins)
pluginsParam, err := pluginsCfg.ToParam()
if err != nil {
printErrAndExit(err, global.Debug)
}
pluginTasks, pluginUpgradeConfigTasks, err = plugins.LoadPluginsTasks(pluginsParam, os.Stdout)
if err != nil {
printErrAndExit(err, global.Debug)
}
if len(defaultTasksCfg.Plugins) != 0 && len(tasksConfig.Plugins.Plugins) != 0 {
// verify that there are no conflicts
combinedCfg := config.PluginsConfig(tasksConfig.Plugins)
combinedCfg.DefaultResolvers = append(combinedCfg.DefaultResolvers, tasksConfig.Plugins.DefaultResolvers...)
combinedCfg.Plugins = append(combinedCfg.Plugins, tasksConfig.Plugins.Plugins...)
combinedParam, err := combinedCfg.ToParam()
if err != nil {
printErrAndExit(err, global.Debug)
}
if _, _, err := plugins.LoadPluginsTasks(combinedParam, io.Discard); err != nil {
printErrAndExit(err, global.Debug)
}
}
// add all upgrade tasks
allUpgradeConfigTasks = append(allUpgradeConfigTasks, defaulttasks.BuiltinUpgradeConfigTasks()...)
allUpgradeConfigTasks = append(allUpgradeConfigTasks, defaultUpgradeConfigTasks...)
allUpgradeConfigTasks = append(allUpgradeConfigTasks, pluginUpgradeConfigTasks...)
}
task, err := godellauncher.TaskForInput(global, createTasks(defaultTasks, pluginTasks, allUpgradeConfigTasks, tasksCfgInfo))
if err != nil {
// match missing command output with that provided by Cobra CLI
errTmpl := "%s\nRun '%s --help' for usage."
printErrAndExit(fmt.Errorf(errTmpl, err.Error(), godel.AppName), false)
}
if err := task.Run(global, os.Stdout); err != nil {
// note that only app/amalgomated tasks will never reach this point, as they return an exit code and then
// pass through an empty error. Those tasks are expected to handle their own error output.
printErrAndExit(err, global.Debug)
}
return 0
}
func createTasks(defaultTasks, pluginTasks []godellauncher.Task, upgradeConfigTasks []godellauncher.UpgradeConfigTask, tasksCfgInfo config.TasksConfigInfo) []godellauncher.Task {
var allTasks []godellauncher.Task
allTasks = append(allTasks, builtintasks.Tasks(tasksCfgInfo)...)
allTasks = append(allTasks, defaultTasks...)
allTasks = append(allTasks, builtintasks.VerifyTask(append(allTasks, pluginTasks...)))
allTasks = append(allTasks, builtintasks.UpgradeConfigTask(upgradeConfigTasks))
allTasks = append(allTasks, pluginTasks...)
return allTasks
}
func printErrAndExit(err error, debug bool) {
if errStr := err.Error(); errStr != "" {
if debug {
errStr = errorstringer.StackWithInterleavedMessages(err)
}
fmt.Println("Error:", errStr)
}
os.Exit(1)
}