reverted to on hostname, added zerolog
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6b85913316
commit
ae87ccb4b5
@ -2,12 +2,14 @@ package backy
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import (
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"bytes"
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"errors"
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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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"git.andrewnw.xyz/CyberShell/backy/pkg/logging"
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"github.com/rs/zerolog/log"
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"github.com/spf13/viper"
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)
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// Host defines a host to which to connect
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@ -16,7 +18,7 @@ type Host struct {
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ConfigFilePath string
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Empty bool
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Host string
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HostName []string
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HostName string
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Port uint16
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PrivateKeyPath string
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PrivateKeyPassword string
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@ -77,28 +79,24 @@ type BackupConfig struct {
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* Runs a backup configuration
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*/
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func (command Command) RunCmd() logging.Logging {
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func (command Command) RunCmd() {
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var stdoutBuf, stderrBuf bytes.Buffer
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var err error
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var cmdArgs string
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var cmdArgsStr string
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for _, v := range command.CmdArgs {
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cmdArgs += v
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cmdArgsStr += fmt.Sprintf(" %s", v)
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}
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var remoteHost = &command.RemoteHost
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fmt.Printf("\n\nRunning command: " + command.Cmd + " " + cmdArgs + " on host " + command.RemoteHost.Host + "...\n\n")
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if command.Remote {
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fmt.Printf("\n\nRunning command: " + command.Cmd + " " + cmdArgsStr + " on host " + command.Host + "...\n\n")
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if command.Host != "" {
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remoteHost.Port = 22
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remoteHost.Host = command.RemoteHost.Host
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sshClient, err := remoteHost.ConnectToSSHHost()
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command.RemoteHost.Host = command.Host
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command.RemoteHost.Port = 22
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sshc, err := command.RemoteHost.ConnectToSSHHost()
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if err != nil {
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panic(fmt.Errorf("ssh dial: %w", err))
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}
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defer sshClient.Close()
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s, err := sshClient.NewSession()
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defer sshc.Close()
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s, err := sshc.NewSession()
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if err != nil {
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panic(fmt.Errorf("new ssh session: %w", err))
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}
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@ -109,33 +107,55 @@ func (command Command) RunCmd() logging.Logging {
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cmd += " " + a
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}
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var stdoutBuf, stderrBuf bytes.Buffer
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s.Stdout = io.MultiWriter(os.Stdout, &stdoutBuf)
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s.Stderr = io.MultiWriter(os.Stderr, &stderrBuf)
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err = s.Run(cmd)
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log.Info().Bytes(fmt.Sprintf("%s stdout", command.Cmd), stdoutBuf.Bytes()).Send()
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log.Info().Bytes(fmt.Sprintf("%s stderr", command.Cmd), stderrBuf.Bytes()).Send()
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if err != nil {
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return logging.Logging{
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Output: stdoutBuf.String(),
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Err: fmt.Errorf("error running " + cmd + ": " + stderrBuf.String()),
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panic(fmt.Errorf("error when running cmd " + cmd + "\n Error: " + err.Error()))
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}
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}
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// fmt.Printf("Output: %s\n", string(output))
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} else {
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// shell := "/bin/bash"
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localCMD := exec.Command(command.Cmd, command.CmdArgs...)
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var err error
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if command.Shell != "" {
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cmdArgsStr = fmt.Sprintf("%s %s", command.Cmd, cmdArgsStr)
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localCMD := exec.Command(command.Shell, "-c", cmdArgsStr)
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var stdoutBuf, stderrBuf bytes.Buffer
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localCMD.Stdout = io.MultiWriter(os.Stdout, &stdoutBuf)
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localCMD.Stderr = io.MultiWriter(os.Stderr, &stderrBuf)
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err = localCMD.Run()
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log.Info().Bytes(fmt.Sprintf("%s stdout", command.Cmd), stdoutBuf.Bytes()).Send()
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log.Info().Bytes(fmt.Sprintf("%s stderr", command.Cmd), stderrBuf.Bytes()).Send()
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if err != nil {
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return logging.Logging{
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Output: stdoutBuf.String(),
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Err: fmt.Errorf(stderrBuf.String()),
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panic(fmt.Errorf("error when running cmd: %s: %w", command.Cmd, err))
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}
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return
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}
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localCMD := exec.Command(command.Cmd, command.CmdArgs...)
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var stdoutBuf, stderrBuf bytes.Buffer
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localCMD.Stdout = io.MultiWriter(os.Stdout, &stdoutBuf)
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localCMD.Stderr = io.MultiWriter(os.Stderr, &stderrBuf)
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err = localCMD.Run()
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log.Info().Bytes(fmt.Sprintf("%s stdout", command.Cmd), stdoutBuf.Bytes()).Send()
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log.Info().Bytes(fmt.Sprintf("%s stderr", command.Cmd), stderrBuf.Bytes()).Send()
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if err != nil {
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panic(fmt.Errorf("error when running cmd: %s: %w", command.Cmd, err))
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}
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}
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}
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return logging.Logging{
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Output: stdoutBuf.String(),
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Err: nil,
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func (config *BackyConfigFile) RunBackyConfig() {
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for _, list := range config.CmdLists {
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for _, cmd := range list {
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cmdToRun := config.Cmds[cmd]
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cmdToRun.RunCmd()
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}
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}
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}
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@ -152,3 +172,110 @@ func NewConfig() *BackyConfigFile {
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Hosts: make(map[string]Host),
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}
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}
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func ReadAndParseConfigFile() *BackyConfigFile {
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backyConfigFile := NewConfig()
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backyViper := viper.New()
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backyViper.SetConfigName("backy") // name of config file (without extension)
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backyViper.SetConfigType("yaml") // REQUIRED if the config file does not have the extension in the name
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backyViper.AddConfigPath(".") // optionally look for config in the working directory
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backyViper.AddConfigPath("$HOME/.config/backy") // call multiple times to add many search paths
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err := backyViper.ReadInConfig() // Find and read the config file
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if err != nil { // Handle errors reading the config file
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panic(fmt.Errorf("fatal error config file: %w", err))
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}
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commandsMap := backyViper.GetStringMapString("commands")
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var cmdNames []string
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for k := range commandsMap {
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cmdNames = append(cmdNames, k)
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}
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hostConfigsMap := make(map[string]*viper.Viper)
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for _, cmdName := range cmdNames {
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var backupCmdStruct Command
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println(cmdName)
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subCmd := backyViper.Sub(getNestedConfig("commands", cmdName))
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hostSet := subCmd.IsSet("host")
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host := subCmd.GetString("host")
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cmdSet := subCmd.IsSet("cmd")
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cmd := subCmd.GetString("cmd")
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cmdArgsSet := subCmd.IsSet("cmdargs")
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cmdArgs := subCmd.GetStringSlice("cmdargs")
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shellSet := subCmd.IsSet("shell")
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shell := subCmd.GetString("shell")
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if hostSet {
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println("Host:")
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println(host)
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backupCmdStruct.Host = host
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if backyViper.IsSet(getNestedConfig("hosts", host)) {
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hostconfig := backyViper.Sub(getNestedConfig("hosts", host))
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hostConfigsMap[host] = hostconfig
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}
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} else {
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println("Host is not set")
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}
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if cmdSet {
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println("Cmd:")
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println(cmd)
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backupCmdStruct.Cmd = cmd
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} else {
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println("Cmd is not set")
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}
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if shellSet {
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println("Shell:")
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println(shell)
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backupCmdStruct.Shell = shell
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} else {
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println("Shell is not set")
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}
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if cmdArgsSet {
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println("CmdArgs:")
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for _, arg := range cmdArgs {
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println(arg)
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}
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backupCmdStruct.CmdArgs = cmdArgs
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} else {
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println("CmdArgs are not set")
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}
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backyConfigFile.Cmds[cmdName] = backupCmdStruct
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}
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cmdListCfg := backyViper.GetStringMapStringSlice("cmd-lists")
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var cmdNotFoundSliceErr []error
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for cmdListName, cmdList := range cmdListCfg {
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println("Cmd list: ", cmdListName)
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for _, cmdInList := range cmdList {
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println("Command in list: " + cmdInList)
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_, cmdNameFound := backyConfigFile.Cmds[cmdInList]
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if !backyViper.IsSet(getNestedConfig("commands", cmdInList)) && !cmdNameFound {
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cmdNotFoundStr := fmt.Sprintf("command definition %s is not in config file\n", cmdInList)
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cmdNotFoundErr := errors.New(cmdNotFoundStr)
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cmdNotFoundSliceErr = append(cmdNotFoundSliceErr, cmdNotFoundErr)
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} else {
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backyConfigFile.CmdLists[cmdListName] = append(backyConfigFile.CmdLists[cmdListName], cmdInList)
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}
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}
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}
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for _, err := range cmdNotFoundSliceErr {
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if err != nil {
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fmt.Println(err.Error())
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}
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}
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return backyConfigFile
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}
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func getNestedConfig(nestedConfig, key string) string {
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return fmt.Sprintf("%s.%s", nestedConfig, key)
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}
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func getNestedSSHConfig(key string) string {
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return fmt.Sprintf("hosts.%s.config", key)
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}
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@ -30,14 +30,14 @@ type SshConfig struct {
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host string
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// host name to connect to
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hostName []string
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hostName string
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user string
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}
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func (config SshConfig) GetSSHConfig() (SshConfig, error) {
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hostNames := ssh_config.GetAll(config.host, "HostName")
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if hostNames == nil {
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hostNames := ssh_config.Get(config.host, "HostName")
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if hostNames == "" {
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return SshConfig{}, errors.New("hostname not found")
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}
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config.hostName = hostNames
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@ -116,22 +116,24 @@ func (remoteConfig *Host) ConnectToSSHHost() (*ssh.Client, error) {
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identityFile = filepath.Join(dir, identityFile[2:])
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}
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remoteConfig.PrivateKeyPath = filepath.Join(identityFile)
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log.Debug().Str("Private key path", remoteConfig.PrivateKeyPath).Send()
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}
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remoteConfig.HostName, _ = cfg.GetAll(remoteConfig.Host, "HostName")
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if remoteConfig.HostName == nil {
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remoteConfig.HostName, _ = cfg.Get(remoteConfig.Host, "HostName")
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remoteConfig.User, _ = cfg.Get(remoteConfig.Host, "User")
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if remoteConfig.HostName == "" {
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port, _ := cfg.Get(remoteConfig.Host, "Port")
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if port == "" {
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port = "22"
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}
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remoteConfig.HostName[0] = remoteConfig.Host + ":" + port
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// remoteConfig.HostName[0] = remoteConfig.Host + ":" + port
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} else {
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for index, hostName := range remoteConfig.HostName {
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// for index, hostName := range remoteConfig.HostName {
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port, _ := cfg.Get(remoteConfig.Host, "Port")
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if port == "" {
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port = "22"
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}
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remoteConfig.HostName[index] = hostName + ":" + port
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}
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remoteConfig.HostName = remoteConfig.HostName + ":" + port
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// remoteConfig.HostName[index] = hostName + ":" + port
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}
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// TODO: Add value/option to config for host key and add bool to check for host key
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@ -151,14 +153,16 @@ func (remoteConfig *Host) ConnectToSSHHost() (*ssh.Client, error) {
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User: remoteConfig.User,
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Auth: []ssh.AuthMethod{ssh.PublicKeys(signer)},
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HostKeyCallback: hostKeyCallback,
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// HostKeyAlgorithms: []string{ssh.KeyAlgoECDSA256},
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}
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for _, host := range remoteConfig.HostName {
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log.Info().Msgf("Connecting to host %s", host)
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sshClient, connectErr = ssh.Dial("tcp", host, sshConfig)
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// for _, host := range remoteConfig.HostName {
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log.Info().Msgf("Connecting to host %s", remoteConfig.HostName)
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sshClient, connectErr = ssh.Dial("tcp", remoteConfig.HostName, sshConfig)
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if connectErr != nil {
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log.Fatal().Err(connectErr).Str("host", host).Msg("error when connecting to host")
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}
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log.Fatal().Str("host", remoteConfig.HostName).Err(connectErr).Send()
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}
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// }
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break
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}
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