def get_lxd_version():
if not Executables.has('lxd'):
return '0.0.0'
cmd = [Executables.get('lxd'), '--version']
result = run(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
if not result.stdout:
# recent lxd versions print the version to stderr!
return result.stderr.strip('\n')
else:
return result.stdout.strip('\n')
def test_executables():
executables = Executables(clear_cache=True)
assert executables.has('ls') is True
assert executables.get('true') == '/bin/true' or executables.get('true') == '/usr/bin/true'
assert executables.has('does-really-not-exist') is False
assert executables.get('does-not-exist-at-all') is None
assert executables.has('ls') is True # cache
assert executables.has('does-really-not-exist') is False
def lxc_exec():
return Executables.get('lxc')