def run_piped_commands(cmd_a, cmd_b):
proc_a = subprocess.Popen(
cmd_a, stdout=subprocess.PIPE, cwd="/opt/stack/new/tempest", preexec_fn=demote(*get_stack_user_info())
)
proc_b = subprocess.Popen(
cmd_b,
stdin=proc_a.stdout,
stdout=subprocess.PIPE,
cwd="/opt/stack/new/tempest",
preexec_fn=demote(*get_stack_user_info()),
)
proc_a.stdout.close()
return proc_b.communicate()[0]
def create_stack():
subprocess.call(['chown', 'stack:stack', '/tmp/devstack', '-R'])
subprocess.call(['chmod', '+755', '/tmp/devstack/stack.sh'])
subprocess.call(['/tmp/devstack/stack.sh'], preexec_fn=demote(
*get_stack_user_info()))
def initialize_tempest(path, uid, gid):
subprocess.call(["testr", "init"], cwd=path, preexec_fn=demote(*get_stack_user_info()))
