77 lines
1.8 KiB
Go
77 lines
1.8 KiB
Go
package installer
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import (
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"bytes"
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"fmt"
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"io/ioutil"
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"os"
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"path/filepath"
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"text/template"
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"git.rootprojects.org/root/go-serviceman/installer/static"
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)
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func install(c *Config) error {
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// Linux-specific config options
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if c.System {
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if "" == c.User {
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c.User = "root"
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}
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}
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if "" == c.Group {
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c.Group = c.User
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}
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serviceDir := "/etc/systemd/system/"
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// Check paths first
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serviceName := c.Name + ".service"
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if !c.System {
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// Not sure which of these it's supposed to be...
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// * ~/.local/share/systemd/user/watchdog.service
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// * ~/.config/systemd/user/watchdog.service
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// https://wiki.archlinux.org/index.php/Systemd/User
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serviceDir = filepath.Join(c.home, ".local/share/systemd/user")
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err := os.MkdirAll(filepath.Dir(serviceDir), 0755)
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if nil != err {
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return err
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}
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}
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// Create service file from template
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b, err := static.ReadFile("dist/etc/systemd/system/_name_.service.tmpl")
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if err != nil {
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return err
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}
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s := string(b)
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rw := &bytes.Buffer{}
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// not sure what the template name does, but whatever
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tmpl, err := template.New("service").Parse(s)
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if err != nil {
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return err
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}
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err = tmpl.Execute(rw, c)
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if nil != err {
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return err
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}
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// Write the file out
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servicePath := filepath.Join(serviceDir, serviceName)
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if err := ioutil.WriteFile(servicePath, rw.Bytes(), 0644); err != nil {
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return fmt.Errorf("ioutil.WriteFile error: %v", err)
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}
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// TODO template this as well?
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userspace := ""
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sudo := "sudo "
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if !c.System {
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userspace = "--user "
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sudo = ""
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}
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fmt.Printf("System service installed as '%s'.\n", servicePath)
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fmt.Printf("Run the following to start '%s':\n", c.Name)
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fmt.Printf("\t" + sudo + "systemctl " + userspace + "daemon-reload\n")
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fmt.Printf("\t"+sudo+"systemctl "+userspace+"restart %s.service\n", c.Name)
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fmt.Printf("\t"+sudo+"journalctl "+userspace+"-xefu %s\n", c.Name)
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return nil
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}
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