func (c *Crontab) Read() ([]Cronjob, error) {
sc := osutils.SystemCommand{
Path: c.Path,
Args: []string{"-u", c.User.Username, "-l"},
ExecDir: os.TempDir(),
EnableShellExpansion: true,
}
output := sc.Run()
if output.HasError() {
nilCronjobs := []Cronjob{}
noCrontab := fmt.Sprintf("no crontab for %s", c.User.Username)
stdErr := strings.Trim(strings.TrimSpace(output.Stderr), "\n")
if stdErr == noCrontab {
return nilCronjobs, nil
}
return nilCronjobs, output
}
cp := CrontabParser{
Buff: []byte(output.Stdout),
}
cronjobs, err := cp.Parse()
if err != nil {
return []Cronjob{}, err
}
return c.RemoveDuplicates(cronjobs), nil
}
func (ag *AptGet) Run() error {
// Check if we could use APT's native API instead of calling an external command
// It seems we can use C++ with CGO by using Swig.
//
// Using the API directly would be much more efficient and less risky that
// calling a system command which is kind of ugly.
//
// Interesting links:
// http://golang.org/doc/faq#Do_Go_programs_link_with_Cpp_programs
// http://www.swig.org/Doc2.0/Go.html
// XXX : crap
args := append(defaultOptions, ag.Method)
args = stringutils.RemoveDuplicates(append(args, ag.ExtraOptions...))
args = stringutils.RemoveDuplicates(append(args, ag.Packages...))
sc := osutils.SystemCommand{
Path: APT_GET,
Args: args,
EnvVars: envVariables,
ExecDir: os.TempDir(),
EnableShellExpansion: true,
}
output := sc.Run()
if output.HasError() {
return output
}
return nil
}
func (mgr *GroupManager) run(c osutils.SystemCommand) error {
output := c.Run()
if output.HasError() {
return output
}
return nil
}
func (s *CrontabTestSuite) cleanCrontab(c *C) {
sc := osutils.SystemCommand{
Path: s.c.Path,
Args: []string{"-u", s.c.User.Username, "-r"},
ExecDir: os.TempDir(),
EnableShellExpansion: true,
}
output := sc.Run()
c.Assert(output.HasError(), Equals, false)
}
func (s *CronTestSuite) cleanCrontab(c *C) {
u, err := user.Current()
c.Assert(err, IsNil)
ct := NewCrontab(u)
sc := osutils.SystemCommand{
Path: ct.Path,
Args: []string{"-u", u.Username, "-r"},
ExecDir: os.TempDir(),
EnableShellExpansion: true,
}
output := sc.Run()
c.Assert(output.HasError(), Equals, false)
}
func (c *Crontab) Save(cronjobs []Cronjob) error {
fileName, err := c.writeTmpCrontab(cronjobs)
if err != nil {
return err
}
defer os.Remove(fileName)
// -----
sc := osutils.SystemCommand{
Path: c.Path,
Args: []string{"-u", c.User.Username, fileName},
ExecDir: os.TempDir(),
EnableShellExpansion: true,
}
output := sc.Run()
if output.HasError() {
return output
}
return nil
}