func (s *varsSuite) TestBlankJujuHomeEnvVar(c *gc.C) {
s.PatchEnvironment(osenv.JujuHomeEnvKey, "")
if runtime.GOOS == "windows" {
s.PatchEnvironment("APPDATA", `P:\foobar`)
} else {
s.PatchEnvironment("HOME", "/foobar")
}
c.Assert(osenv.JujuHomeDir(), gc.Not(gc.Equals), "")
if runtime.GOOS == "windows" {
c.Assert(osenv.JujuHomeDir(), gc.Equals, osenv.JujuHomeWin())
} else {
c.Assert(osenv.JujuHomeDir(), gc.Equals, osenv.JujuHomeLinux())
}
}
func setCacheDir() {
jujuHome := osenv.JujuHomeDir()
if jujuHome == "" {
log.Fatal("cannot determine juju home, required environment variables are not set")
}
osenv.SetJujuHome(jujuHome)
charmrepo.CacheDir = osenv.JujuHomePath("charmcache")
}
// InitJujuHome initializes the charm cache, environs/config and utils/ssh packages
// to use default paths based on the $JUJU_HOME or $HOME environment variables.
// This function should be called before running a Juju CLI command.
func InitJujuHome() error {
jujuHome := osenv.JujuHomeDir()
if jujuHome == "" {
return errors.New("cannot determine juju home, required model variables are not set")
}
osenv.SetJujuHome(jujuHome)
charmrepo.CacheDir = osenv.JujuHomePath("charmcache")
if err := ssh.LoadClientKeys(osenv.JujuHomePath("ssh")); err != nil {
return errors.Annotate(err, "cannot load ssh client keys")
}
return nil
}
// InitJujuHome initializes the charm cache, environs/config and utils/ssh packages
// to use default paths based on the $JUJU_HOME or $HOME environment variables.
// This function should be called before running a Juju CLI command.
func InitJujuHome() error {
jujuHome := osenv.JujuHomeDir()
if jujuHome == "" {
return stderrors.New(
"cannot determine juju home, required environment variables are not set")
}
osenv.SetJujuHome(jujuHome)
charmrepo.CacheDir = osenv.JujuHomePath("charmcache")
if err := ssh.LoadClientKeys(osenv.JujuHomePath("ssh")); err != nil {
return fmt.Errorf("cannot load ssh client keys: %v", err)
}
return nil
}
func (s *varsSuite) TestJujuHomeEnvVar(c *gc.C) {
path := "/foo/bar/baz"
s.PatchEnvironment(osenv.JujuHomeEnvKey, path)
c.Assert(osenv.JujuHomeDir(), gc.Equals, path)
}