forked from aws/amazon-ecs-agent
/
run.go
66 lines (57 loc) · 1.92 KB
/
run.go
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// Copyright 2014-2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License"). You may
// not use this file except in compliance with the License. A copy of the
// License is located at
//
// http://aws.amazon.com/apache2.0/
//
// or in the "license" file accompanying this file. This file 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 app
import (
"golang.org/x/net/context"
"github.com/aws/amazon-ecs-agent/agent/app/args"
"github.com/aws/amazon-ecs-agent/agent/logger"
"github.com/aws/amazon-ecs-agent/agent/sighandlers/exitcodes"
"github.com/aws/aws-sdk-go/aws"
log "github.com/cihub/seelog"
)
// Run runs the ECS Agent App. It returns an exit code, which is used by
// main() to set the status code for the program
func Run(arguments []string) int {
defer log.Flush()
parsedArgs, err := args.New(arguments)
if err != nil {
return exitcodes.ExitTerminal
}
if *parsedArgs.License {
return printLicense()
}
logger.SetLevel(*parsedArgs.LogLevel)
// Create an Agent object
agent, err := newAgent(context.Background(),
aws.BoolValue(parsedArgs.BlackholeEC2Metadata),
parsedArgs.AcceptInsecureCert)
if err != nil {
// Failure to initialize either the docker client or the EC2 metadata
// service client are non terminal errors as they could be transient
return exitcodes.ExitError
}
switch {
case *parsedArgs.Version:
// Print Agent's version and exit
return agent.printVersion()
case *parsedArgs.ECSAttributes:
// Print agent's ecs attributes based on its environment and exit
return agent.printECSAttributes()
case *parsedArgs.WindowsService:
// Enable Windows Service
return agent.startWindowsService()
default:
// Start the agent
return agent.start()
}
}