82 lines
2.6 KiB
Go
82 lines
2.6 KiB
Go
package cmd
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import (
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"git.andrewnw.xyz/CyberShell/backy/pkg/backy"
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"git.andrewnw.xyz/CyberShell/backy/pkg/logging"
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"github.com/spf13/cobra"
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)
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var (
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hostExecCommand = &cobra.Command{
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Use: "host [--command=command1 --command=command2 ... | -c command1 -c command2 ...] [--hosts=host1 --hosts=hosts2 ... | -m host1 -m host2 ...] ",
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Short: "Runs command defined in config file on the hosts in order specified.",
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Long: "Host executes specified commands on the hosts defined in config file.\nUse the --commands or -c flag to choose the commands.",
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Run: Host,
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}
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)
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// Holds list of hosts to run commands on
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var hostsList []string
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// Holds command list to run
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var cmdList []string
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func init() {
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hostExecCommand.Flags().StringArrayVarP(&hostsList, "hosts", "m", nil, "Accepts space-separated names of hosts. Specify multiple times for multiple hosts.")
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hostExecCommand.Flags().StringArrayVarP(&cmdList, "command", "c", nil, "Accepts space-separated names of commands. Specify multiple times for multiple commands.")
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parseS3Config()
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}
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// cli input should be hosts and commands. Hosts are defined in config files.
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// commands can be passed by the following mutually exclusive options:
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// 1. as a list of commands defined in the config file
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// 2. stdin (on command line) (TODO)
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func Host(cmd *cobra.Command, args []string) {
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backyConfOpts := backy.NewConfigOptions(configFile,
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backy.SetLogFile(logFile),
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backy.EnableCommandStdOut(cmdStdOut),
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backy.SetHostsConfigFile(hostsConfigFile))
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backyConfOpts.InitConfig()
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backyConfOpts.ParseConfigurationFile()
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// check CLI input
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if hostsList == nil {
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logging.ExitWithMSG("error: hosts must be specified", 1, &backyConfOpts.Logger)
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}
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for _, h := range hostsList {
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if backy.IsHostLocal(h) {
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continue
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}
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// check if h exists in the config file
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_, hostFound := backyConfOpts.Hosts[h]
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if !hostFound {
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// check if h exists in the SSH config file
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hostFoundInConfig, s := backy.DoesHostHaveHostName(h)
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if !hostFoundInConfig {
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logging.ExitWithMSG("host "+h+" not found", 1, &backyConfOpts.Logger)
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}
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if backyConfOpts.Hosts == nil {
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backyConfOpts.Hosts = make(map[string]*backy.Host)
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}
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// create host with hostname and host
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backyConfOpts.Hosts[h] = &backy.Host{Host: h, HostName: s}
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}
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}
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if cmdList == nil {
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logging.ExitWithMSG("error: commands must be specified", 1, &backyConfOpts.Logger)
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}
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for _, c := range cmdList {
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_, cmdFound := backyConfOpts.Cmds[c]
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if !cmdFound {
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logging.ExitWithMSG("cmd "+c+" not found", 1, &backyConfOpts.Logger)
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}
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}
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backyConfOpts.ExecCmdsOnHosts(cmdList, hostsList)
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}
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