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add subcommands for clustctl daemon

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- start: starts the clustvirt daemon
- stop: stops the clustvirt daemon
- restart: first stops then starts the daemon
- reload: attempt to reload the clustvirt configuration after making changes
This commit is contained in:
Matthew Stobbs 2024-03-29 19:28:06 -06:00
parent 68c2c29fa9
commit ece374d1a9
6 changed files with 182 additions and 10 deletions
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28
cmd/clusterctl/cmd/config.go
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@ -1,6 +1,23 @@
/*
Copyright © 2024 NAME HERE <EMAIL ADDRESS>
Copyright © 2024 Matthew Stobbs <matthew@stobbs.ca
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
package cmd
@ -13,13 +30,8 @@ import (
// configCmd represents the config command
var configCmd = &cobra.Command{
Use: "config",
Short: "A brief description of your command",
Long: `A longer description that spans multiple lines and likely contains examples
and usage of using your command. For example:
Cobra is a CLI library for Go that empowers applications.
This application is a tool to generate the needed files
to quickly create a Cobra application.`,
Short: "Configure the clustvirt daemon",
Long: `Allows for editing the clustvirt daemon configuration using command line flags`,
Run: func(cmd *cobra.Command, args []string) {
fmt.Println("config called")
},

24
cmd/clusterctl/cmd/daemon.go
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@ -1,5 +1,23 @@
/*
Copyright © 2024 NAME HERE <EMAIL ADDRESS>
Copyright © 2024 Matthew Stobbs <matthew@stobbs.ca
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
package cmd
@ -13,7 +31,9 @@ import (
var daemonCmd = &cobra.Command{
Use: "daemon",
Short: "Control the clustvirt daemon process",
Long: `Used to start, stop, restart and reload the clustvirt daemon process`,
Long: `Allows for starting, restarting, stopping, and reloading the clustvirt daemon process.
The clustvirt daemon is responsible for connecting to libvirtd hosts, and provides the
REST API and WebUI to manage the cluster.`,
Run: func(cmd *cobra.Command, args []string) {
fmt.Println("daemon called")
},

34
cmd/clusterctl/cmd/reload.go Normal file
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@ -0,0 +1,34 @@
/*
Copyright © 2024 NAME HERE <EMAIL ADDRESS>
*/
package cmd
import (
"fmt"
"github.com/spf13/cobra"
)
// reloadCmd represents the reload command
var reloadCmd = &cobra.Command{
Use: "reload",
Short: "Reload the clustvirt daemon configuration",
Long: `Sends SIGUSR1 to the clustvirt daemon process, indicating the server should reload it's configuration`,
Run: func(cmd *cobra.Command, args []string) {
fmt.Println("reload called")
},
}
func init() {
daemonCmd.AddCommand(reloadCmd)
// Here you will define your flags and configuration settings.
// Cobra supports Persistent Flags which will work for this command
// and all subcommands, e.g.:
// reloadCmd.PersistentFlags().String("foo", "", "A help for foo")
// Cobra supports local flags which will only run when this command
// is called directly, e.g.:
// reloadCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
}

35
cmd/clusterctl/cmd/restart.go Normal file
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@ -0,0 +1,35 @@
/*
Copyright © 2024 NAME HERE <EMAIL ADDRESS>
*/
package cmd
import (
"fmt"
"github.com/spf13/cobra"
)
// restartCmd represents the restart command
var restartCmd = &cobra.Command{
Use: "restart",
Short: "Restart the clustvirt daemon process",
Long: `Some configuration requires the daemon to restart itself.
This command sends the SIGUSR2 signal, telling the daemon to restart`,
Run: func(cmd *cobra.Command, args []string) {
fmt.Println("restart called")
},
}
func init() {
daemonCmd.AddCommand(restartCmd)
// Here you will define your flags and configuration settings.
// Cobra supports Persistent Flags which will work for this command
// and all subcommands, e.g.:
// restartCmd.PersistentFlags().String("foo", "", "A help for foo")
// Cobra supports local flags which will only run when this command
// is called directly, e.g.:
// restartCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
}

35
cmd/clusterctl/cmd/start.go Normal file
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@ -0,0 +1,35 @@
/*
Copyright © 2024 NAME HERE <EMAIL ADDRESS>
*/
package cmd
import (
"fmt"
"github.com/spf13/cobra"
)
// startCmd represents the start command
var startCmd = &cobra.Command{
Use: "start",
Short: "Start the clustvirt daemon",
Long: `Starts the clustvirt daemon loading configuration from files,
ENV variables, and command line flags in that order.`,
Run: func(cmd *cobra.Command, args []string) {
fmt.Println("start called")
},
}
func init() {
daemonCmd.AddCommand(startCmd)
// Here you will define your flags and configuration settings.
// Cobra supports Persistent Flags which will work for this command
// and all subcommands, e.g.:
// startCmd.PersistentFlags().String("foo", "", "A help for foo")
// Cobra supports local flags which will only run when this command
// is called directly, e.g.:
// startCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
}

36
cmd/clusterctl/cmd/stop.go Normal file
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@ -0,0 +1,36 @@
/*
Copyright © 2024 NAME HERE <EMAIL ADDRESS>
*/
package cmd
import (
"fmt"
"github.com/spf13/cobra"
)
// stopCmd represents the stop command
var stopCmd = &cobra.Command{
Use: "stop",
Short: "Stop the clustvirt daemon",
Long: `Stop the clustvirt daemon, waiting for all processes to exit cleanly.
Triggers the SIGTERM signal to the daemon process. Can be configured
to send a SIGKILL after a timeout to forcibly terminate the process.`,
Run: func(cmd *cobra.Command, args []string) {
fmt.Println("stop called")
},
}
func init() {
daemonCmd.AddCommand(stopCmd)
// Here you will define your flags and configuration settings.
// Cobra supports Persistent Flags which will work for this command
// and all subcommands, e.g.:
// stopCmd.PersistentFlags().String("foo", "", "A help for foo")
// Cobra supports local flags which will only run when this command
// is called directly, e.g.:
// stopCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
}