hoster/cmd/hoster_cli/hoster.go

142 lines
3.4 KiB
Go

package main
import (
"fmt"
"hoster/internals/conf"
"hoster/internals/helpers"
"hoster/internals/templates"
"hoster/internals/types"
"os"
"path/filepath"
"github.com/gookit/goutil/fsutil"
"github.com/gookit/goutil/sysutil/cmdr"
"github.com/kataras/golog"
"github.com/urfave/cli/v2"
"golang.org/x/exp/slices"
)
func main() {
conf.LoadConfig(".hoster.yml")
app := &cli.App{
Name: "hoster",
Usage: "Hoster",
Version: "1.0.0",
Commands: []*cli.Command{
{
Name: "new",
Usage: "Setup a new hosting project.",
Flags: []cli.Flag{
&cli.StringFlag{
Name: "name",
Aliases: []string{"n"},
Usage: "The name of the project",
Required: true,
},
&cli.StringFlag{
Name: "domain",
Aliases: []string{"d"},
Usage: "The description of the project",
Required: true,
},
},
Action: func(c *cli.Context) error {
name := c.String("name")
domain := c.String("domain")
projectRoot := conf.App.MustString("projects.root")
sitesAvail := conf.App.MustString("nginx.sitesAvailable")
sitesEnabled := conf.App.MustString("nginx.sitesEnabled")
nginxFile := filepath.Join(sitesAvail, name)
projectFolder := filepath.Join(projectRoot, name)
existingProjects, err := helpers.FindHostConfigs(sitesAvail)
if err != nil {
return err
}
usedPorts := []int{}
for _, project := range existingProjects {
usedPorts = append(usedPorts, project.InternalPort)
}
port := conf.App.Int("nginx.portRangeStart")
freePort := 0
for port <= conf.App.Int("nginx.portRangeEnd") {
if !slices.Contains(usedPorts, port) {
freePort = port
break
}
port++
}
if freePort == 0 {
return fmt.Errorf("no free port available")
}
if !fsutil.IsDir(projectFolder) {
golog.Infof("Creating project folder '%s'", projectFolder)
err := os.MkdirAll(projectFolder, 0755)
if err != nil {
return err
}
}
if fsutil.IsFile(nginxFile) {
return fmt.Errorf("the nginx config file '%s' already exists", nginxFile)
}
// Set owner and group of project folder
err = os.Chown(projectFolder, conf.App.Int("projects.owner"), conf.App.Int("projects.group"))
if err != nil {
return err
}
project := types.Project{
Name: name,
Domain: domain,
InternalPort: freePort,
}
// Create nginx config file
err = templates.Execute("nginx", nginxFile, project)
if err != nil {
return err
}
// Symlink nginx config file
err = os.Symlink(nginxFile, filepath.Join(sitesEnabled, name))
if err != nil {
return err
}
// Execute certbot command: "systemctl stop nginx && sudo certbot certonly --standalone --preferred-challenges http -d {domain} && sudo systemctl start nginx"
com := cmdr.NewCmd("systemctl").
WithArgs([]string{"stop", "nginx"})
out := com.SafeOutput()
fmt.Println(out)
com = cmdr.NewCmd("certbot").
WithArgs([]string{"certonly", "--standalone", "--preferred-challenges", "http", "-d", domain})
out = com.SafeOutput()
fmt.Println(out)
com = cmdr.NewCmd("systemctl").
WithArgs([]string{"start", "nginx"})
out = com.SafeOutput()
fmt.Println(out)
return nil
},
},
},
}
if err := app.Run(os.Args); err != nil {
golog.Fatal(err)
}
}