coder/cli/config/file.go

130 lines
2.7 KiB
Go

package config
import (
"io"
"os"
"path/filepath"
"github.com/kirsle/configdir"
"golang.org/x/xerrors"
)
const (
FlagName = "global-config"
)
// Root represents the configuration directory.
type Root string
// mustNotBeEmpty prevents us from accidentally writing configuration to the
// current directory. This is primarily valuable in development, where we may
// accidentally use an empty root.
func (r Root) mustNotEmpty() {
if r == "" {
panic("config root must not be empty")
}
}
func (r Root) Session() File {
r.mustNotEmpty()
return File(filepath.Join(string(r), "session"))
}
// ReplicaID is a unique identifier for the Coder server.
func (r Root) ReplicaID() File {
r.mustNotEmpty()
return File(filepath.Join(string(r), "replica_id"))
}
func (r Root) URL() File {
r.mustNotEmpty()
return File(filepath.Join(string(r), "url"))
}
func (r Root) Organization() File {
r.mustNotEmpty()
return File(filepath.Join(string(r), "organization"))
}
func (r Root) DotfilesURL() File {
r.mustNotEmpty()
return File(filepath.Join(string(r), "dotfilesurl"))
}
func (r Root) PostgresPath() string {
r.mustNotEmpty()
return filepath.Join(string(r), "postgres")
}
func (r Root) PostgresPassword() File {
r.mustNotEmpty()
return File(filepath.Join(r.PostgresPath(), "password"))
}
func (r Root) PostgresPort() File {
r.mustNotEmpty()
return File(filepath.Join(r.PostgresPath(), "port"))
}
// File provides convenience methods for interacting with *os.File.
type File string
// Delete deletes the file.
func (f File) Delete() error {
if f == "" {
return xerrors.Errorf("empty file path")
}
return os.Remove(string(f))
}
// Write writes the string to the file.
func (f File) Write(s string) error {
if f == "" {
return xerrors.Errorf("empty file path")
}
return write(string(f), 0o600, []byte(s))
}
// Read reads the file to a string.
func (f File) Read() (string, error) {
if f == "" {
return "", xerrors.Errorf("empty file path")
}
byt, err := read(string(f))
return string(byt), err
}
// open opens a file in the configuration directory,
// creating all intermediate directories.
func open(path string, flag int, mode os.FileMode) (*os.File, error) {
err := os.MkdirAll(filepath.Dir(path), 0o750)
if err != nil {
return nil, err
}
return os.OpenFile(path, flag, mode)
}
func write(path string, mode os.FileMode, dat []byte) error {
fi, err := open(path, os.O_WRONLY|os.O_TRUNC|os.O_CREATE, mode)
if err != nil {
return err
}
defer fi.Close()
_, err = fi.Write(dat)
return err
}
func read(path string) ([]byte, error) {
fi, err := open(path, os.O_RDONLY, 0)
if err != nil {
return nil, err
}
defer fi.Close()
return io.ReadAll(fi)
}
func DefaultDir() string {
return configdir.LocalConfig("coderv2")
}