/
updateutil_unix.go
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/
updateutil_unix.go
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// Copyright 2016 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.
//go:build darwin || freebsd || linux || netbsd || openbsd
// +build darwin freebsd linux netbsd openbsd
// Package updateutil contains updater specific utilities.
package updateutil
import (
"os/exec"
"strings"
"syscall"
"github.com/aws/amazon-ssm-agent/agent/appconfig"
"github.com/aws/amazon-ssm-agent/agent/context"
"github.com/aws/amazon-ssm-agent/agent/log"
"github.com/aws/amazon-ssm-agent/agent/versionutil"
)
const (
legacyUpdaterArtifactsRoot = "/var/log/amazon/ssm/update/"
firstAgentWithNewUpdaterPath = "1.1.86.0"
)
func prepareProcess(command *exec.Cmd) {
// make the process the leader of its process group
// (otherwise we cannot kill it properly)
command.SysProcAttr = &syscall.SysProcAttr{Setpgid: true}
}
func isAgentServiceRunning(log log.T) (bool, error) {
serviceStatus, err := execCommand("status", "amazon-ssm-agent").Output()
if err != nil {
return false, err
}
agentStatus := strings.TrimSpace(string(serviceStatus))
return strings.Contains(agentStatus, "amazon-ssm-agent start/running"), nil
}
// UpdateInstallDelayer delays the agent install when domain join reboot doc found
func (util *Utility) UpdateInstallDelayer(ctx context.T, updateRoot string) error {
return nil
}
// LoadUpdateDocumentState loads the update document state from Pending queue
func (util *Utility) LoadUpdateDocumentState(ctx context.T, commandId string) error {
return nil
}
func setPlatformSpecificCommand(parts []string) []string {
return parts
}
// ResolveUpdateRoot returns the platform specific path to update artifacts
func ResolveUpdateRoot(sourceVersion string) (string, error) {
compareResult, err := versionutil.VersionCompare(sourceVersion, firstAgentWithNewUpdaterPath)
if err != nil {
return "", err
}
// New versions that with new binary locations
if compareResult >= 0 {
return appconfig.UpdaterArtifactsRoot, nil
}
return legacyUpdaterArtifactsRoot, nil
}