def execute(cmd, raise_error=True):
"""Executes a command in a subprocess.
Returns a tuple of (exitcode, out, err), where out is the string output
from stdout and err is the string output from stderr when
executing the command.
:param cmd: Command string to execute
:param raise_error: If returncode is not 0 (success), then
raise a RuntimeError? Default: True)
"""
env = os.environ.copy()
# Make sure that we use the programs in the
# current source directory's bin/ directory.
env['PATH'] = tests.reddwarf_bin_path() + ':' + env['PATH']
process = subprocess.Popen(cmd,
shell=True,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
env=env)
result = process.communicate()
(out, err) = result
exitcode = process.returncode
if process.returncode != 0 and raise_error:
msg = "Command %(cmd)s did not succeed. Returned an exit "\
"code of %(exitcode)d."\
"\n\nSTDOUT: %(out)s"\
"\n\nSTDERR: %(err)s" % locals()
raise RuntimeError(msg)
return exitcode, out, err
def run_reddwarf_manage(command):
reddwarf_manage = tests.reddwarf_bin_path('reddwarf-manage')
config_file = tests.test_config_file()
return functional.execute("%(reddwarf_manage)s %(command)s "
"--config-file=%(config_file)s" % locals())