110 lines
3.3 KiB
Go
110 lines
3.3 KiB
Go
//go:generate go run -mod=vendor github.com/UnnoTed/fileb0x b0x.toml
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package installer
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import (
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"os"
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"path/filepath"
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"strings"
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)
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// Config should describe the service well-enough for it to
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// run on Mac, Linux, and Windows.
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//
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// &Config{
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// // A human-friendy name
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// Title: "Foobar App",
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// // A computer-friendly name
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// Name: "foobar-app",
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// // A name for OS X plist
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// ReverseDNS: "com.example.foobar-app",
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// // A human-friendly description
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// Desc: "Foobar App",
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// // The app /service homepage
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// URL: "https://example.com/foobar-app/",
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// // The full path of the interpreter, if any (ruby, python, node, etc)
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// Interpreter: "/opt/node/bin/node",
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// // The name of the executable (or script)
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// Exec: "foobar-app.js",
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// // An array of arguments
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// Argv: []string{"-c", "/path/to/config.json"},
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// // A map of Environment variables that should be set
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// Envs: map[string]string{
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// PORT: "8080",
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// ENV: "development",
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// },
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// // The user (Linux & Mac only).
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// // This does not apply to userspace services.
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// // There may be special considerations
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// User: "www-data",
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// // If different from User
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// Group: "",
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// // Whether to install as a system or user service
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// System: false,
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// // Whether or not the service may need privileged ports
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// PrivilegedPorts: false,
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// }
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//
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// Note that some fields are exported for templating,
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// but not intended to be set by you.
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// These are documented as omitted from JSON.
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// Try to stick to what's outlined above.
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type Config struct {
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Title string `json:"title"`
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Name string `json:"name"`
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Desc string `json:"desc"`
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URL string `json:"url"`
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Interpreter string `json:"interpreter"` // i.e. node, python
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Exec string `json:"exec"`
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Argv []string `json:"argv"`
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Args string `json:"-"`
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Envs map[string]string `json:"envs"`
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User string `json:"user"`
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Group string `json:"group"`
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home string `json:"-"`
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Local string `json:"-"`
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LogDir string `json:"-"`
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System bool `json:"system"`
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Restart bool `json:"restart"`
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Production bool `json:"production"`
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PrivilegedPorts bool `json:"privileged_ports"`
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MultiuserProtection bool `json:"multiuser_protection"`
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}
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// Install will do a best-effort attempt to install a start-on-startup
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// user or system service via systemd, launchd, or reg.exe
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func Install(c *Config) error {
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if "" == c.Exec {
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c.Exec = c.Name
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}
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c.Args = strings.Join(c.Argv, " ")
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// TODO handle non-system installs
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// * ~/.local/opt/watchdog/watchdog
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// * ~/.local/share/watchdog/var/log/
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// * ~/.config/watchdog/watchdog.json
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if !c.System {
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home, err := os.UserHomeDir()
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if nil != err {
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return err
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}
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c.home = home
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c.Local = filepath.Join(c.home, ".local")
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c.LogDir = filepath.Join(c.home, ".local", "share", c.Name, "var", "log")
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} else {
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c.LogDir = "/var/log/" + c.Name
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}
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err := install(c)
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if nil != err {
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return err
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}
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err = os.MkdirAll(c.LogDir, 0750)
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if nil != err {
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return err
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}
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return nil
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}
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