143 lines
3.1 KiB
Go
143 lines
3.1 KiB
Go
// +build mqdev
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/*
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© Copyright IBM Corporation 2018
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package main
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import (
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"fmt"
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"io"
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"os"
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"os/exec"
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"path/filepath"
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"syscall"
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"github.com/ibm-messaging/mq-container/internal/command"
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)
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func startWebServer() error {
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_, err := os.Stat("/opt/mqm/bin/strmqweb")
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if err != nil && os.IsNotExist(err) {
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log.Debug("Skipping web server, because it's not installed")
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return nil
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}
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log.Println("Starting web server")
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cmd := exec.Command("strmqweb")
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// Set a default app password for the web server, if one isn't already set
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_, set := os.LookupEnv("MQ_APP_PASSWORD")
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if !set {
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// Take all current environment variables, and add the app password
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cmd.Env = append(os.Environ(), "MQ_APP_PASSWORD=passw0rd")
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}
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cmd.SysProcAttr = &syscall.SysProcAttr{}
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uid, gid, err := command.LookupMQM()
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if err != nil {
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return err
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}
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cmd.SysProcAttr.Credential = &syscall.Credential{Uid: uint32(uid), Gid: uint32(gid)}
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out, rc, err := command.RunCmd(cmd)
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if err != nil {
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log.Printf("Error %v starting web server: %v", rc, string(out))
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return err
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}
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log.Println("Started web server")
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return nil
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}
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// CopyFile copies the specified file
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func CopyFile(src, dest string) error {
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log.Debugf("Copying file %v to %v", src, dest)
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in, err := os.Open(src)
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if err != nil {
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return err
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}
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defer in.Close()
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out, err := os.OpenFile(dest, os.O_CREATE|os.O_WRONLY, 0770)
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defer out.Close()
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_, err = io.Copy(out, in)
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if err != nil {
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return err
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}
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err = out.Close()
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return err
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}
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func configureWebServer() error {
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_, err := os.Stat("/opt/mqm/bin/strmqweb")
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if err != nil {
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if os.IsNotExist(err) {
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return nil
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}
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return err
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}
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const webConfigDir string = "/etc/mqm/web"
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_, err = os.Stat(webConfigDir)
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if err != nil {
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if os.IsNotExist(err) {
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return nil
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}
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return err
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}
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uid, gid, err := command.LookupMQM()
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if err != nil {
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return err
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}
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const prefix string = "/etc/mqm/web"
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err = filepath.Walk(prefix, func(from string, info os.FileInfo, err error) error {
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if err != nil {
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return err
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}
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to := fmt.Sprintf("/var/mqm/web%v", from[len(prefix):])
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exists := true
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_, err = os.Stat(to)
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if err != nil {
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if os.IsNotExist(err) {
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exists = false
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} else {
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return err
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}
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}
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if info.IsDir() {
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if !exists {
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err := os.MkdirAll(to, 0770)
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if err != nil {
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return err
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}
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}
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} else {
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if exists {
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err := os.Remove(to)
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if err != nil {
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return err
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}
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}
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err := CopyFile(from, to)
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if err != nil {
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log.Error(err)
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return err
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}
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}
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err = os.Chown(to, uid, gid)
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if err != nil {
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return err
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}
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return nil
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})
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return err
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}
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