def destroy_environment(self):
"""Shutdown the machine environment.
"""
# Stop all the containers
log.info("Destroying unit containers...")
yield self._destroy_containers()
# Stop the machine agent
log.debug("Stopping machine agent...")
agent = ManagedMachineAgent(self._qualified_name)
yield agent.stop()
# Stop the storage server
log.debug("Stopping storage server...")
storage_server = StorageServer(self._qualified_name)
yield storage_server.stop()
# Stop zookeeper
log.debug("Stopping zookeeper...")
zookeeper_dir = os.path.join(self._directory, "zookeeper")
zookeeper = Zookeeper(zookeeper_dir, None)
yield zookeeper.stop()
# Clean out local state
yield self.save_state(False)
# Don't stop the network since we're using the default libvirt
log.debug("Environment destroyed.")
def destroy_environment(self):
"""Shutdown the machine environment.
"""
# Stop all the containers
log.info("Destroying unit containers...")
yield self._destroy_containers()
# Stop the machine agent
log.debug("Stopping machine agent...")
pid_file = os.path.join(self._directory, "machine-agent.pid")
agent = ManagedMachineAgent(pid_file)
yield agent.stop()
# Stop the storage server
log.debug("Stopping storage server...")
pid_file = os.path.join(self._directory, "storage-server.pid")
storage_server = StorageServer(pid_file)
yield storage_server.stop()
# Stop zookeeper
log.debug("Stopping zookeeper...")
zookeeper_dir = os.path.join(self._directory, "zookeeper")
zookeeper = Zookeeper(zookeeper_dir, None)
yield zookeeper.stop()
# Clean out local state
yield self.save_state(False)
# Don't stop the network since we're using the default libvirt
log.debug("Environment destroyed.")
def setUp(self):
self._storage_path = self.makeDir()
self._storage = LocalStorage(self._storage_path)
self._log_path = self.makeFile()
self._pid_path = self.makeFile()
self._port = get_open_port()
self._server = StorageServer(self._pid_path,
self._storage_path, "localhost",
get_open_port(), self._log_path)
def setUp(self):
yield super(WebFileStorageTest, self).setUp()
self._storage_path = self.makeDir()
self._logfile = self.makeFile()
self._storage = LocalStorage(self._storage_path)
self._port = get_open_port()
self._server = StorageServer(
"ns1", self._storage_path, "localhost", self._port, self._logfile)
def setUp(self):
self._storage_path = self.makeDir()
self._storage = LocalStorage(self._storage_path)
self._log_path = self.makeFile()
self._pid_path = self.makeFile()
self._port = get_open_port()
self._server = StorageServer(
self._pid_path, self._storage_path, "localhost",
get_open_port(), self._log_path)
def test_capture_errors(self):
self._port = get_open_port()
self._server = StorageServer(
"borken", self._storage_path, "lol borken", self._port,
self._logfile)
d = self._server.start()
e = yield self.assertFailure(d, ServiceError)
self.assertTrue(str(e).startswith(
"Failed to start job juju-borken-file-storage; got output:\n"))
self.assertIn("Wrong number of arguments", str(e))
yield self._server.stop()
class WebFileStorageTest(TestCase):
def setUp(self):
self._storage_path = self.makeDir()
self._storage = LocalStorage(self._storage_path)
self._log_path = self.makeFile()
self._pid_path = self.makeFile()
self._port = get_open_port()
self._server = StorageServer(
self._pid_path, self._storage_path, "localhost",
get_open_port(), self._log_path)
@inlineCallbacks
def test_start_stop(self):
yield self._storage.put("abc", StringIO("hello world"))
yield self._server.start()
storage_url = yield self._storage.get_url("abc")
contents = yield getPage(storage_url)
self.assertEqual("hello world", contents)
self._server.stop()
# Stopping multiple times is fine.
self._server.stop()
def test_start_missing_args(self):
server = StorageServer(self._pid_path)
return self.assertFailure(server.start(), AssertionError)
def test_start_invalid_directory(self):
os.rmdir(self._storage_path)
return self.assertFailure(self._server.start(), AssertionError)
def test_stop_missing_pid(self):
server = StorageServer(self._pid_path)
server.stop()
class WebFileStorageTest(TestCase):
def setUp(self):
self._storage_path = self.makeDir()
self._storage = LocalStorage(self._storage_path)
self._log_path = self.makeFile()
self._pid_path = self.makeFile()
self._port = get_open_port()
self._server = StorageServer(self._pid_path,
self._storage_path, "localhost",
get_open_port(), self._log_path)
@inlineCallbacks
def test_start_stop(self):
yield self._storage.put("abc", StringIO("hello world"))
yield self._server.start()
storage_url = yield self._storage.get_url("abc")
contents = yield getPage(storage_url)
self.assertEqual("hello world", contents)
self._server.stop()
# Stopping multiple times is fine.
self._server.stop()
def test_start_missing_args(self):
server = StorageServer(self._pid_path)
return self.assertFailure(server.start(), AssertionError)
def test_start_invalid_directory(self):
os.rmdir(self._storage_path)
return self.assertFailure(self._server.start(), AssertionError)
def test_stop_missing_pid(self):
server = StorageServer(self._pid_path)
server.stop()
def test_namespacing(self):
alt_storage_path = self.makeDir()
alt_storage = LocalStorage(alt_storage_path)
yield alt_storage.put("some-path", StringIO("alternative"))
yield self._storage.put("some-path", StringIO("original"))
alt_server = StorageServer(
"ns2", alt_storage_path, "localhost", get_open_port(),
self.makeFile())
yield alt_server.start()
yield self._server.start()
yield self.wait_for_server(alt_server)
yield self.wait_for_server(self._server)
alt_contents = yield getPage(
(yield alt_storage.get_url("some-path")))
self.assertEquals(alt_contents, "alternative")
orig_contents = yield getPage(
(yield self._storage.get_url("some-path")))
self.assertEquals(orig_contents, "original")
yield alt_server.stop()
yield self._server.stop()
def test_stop_missing_pid(self):
server = StorageServer(self._pid_path)
server.stop()
def test_start_missing_args(self):
server = StorageServer(self._pid_path)
return self.assertFailure(server.start(), AssertionError)
def test_stop_missing_pid(self):
server = StorageServer(self._pid_path)
server.stop()
def test_start_missing_args(self):
server = StorageServer(self._pid_path)
return self.assertFailure(server.start(), AssertionError)
class WebFileStorageTest(TestCase):
@inlineCallbacks
def setUp(self):
yield super(WebFileStorageTest, self).setUp()
self._storage_path = self.makeDir()
self._logfile = self.makeFile()
self._storage = LocalStorage(self._storage_path)
self._port = get_open_port()
self._server = StorageServer(
"ns1", self._storage_path, "localhost", self._port, self._logfile)
@inlineCallbacks
def wait_for_server(self, server):
while not (yield server.is_serving()):
yield self.sleep(0.1)
def test_start_missing_args(self):
server = StorageServer("ns1", self._storage_path)
return self.assertFailure(server.start(), AssertionError)
def test_start_invalid_directory(self):
os.rmdir(self._storage_path)
return self.assertFailure(self._server.start(), AssertionError)
@inlineCallbacks
def test_upstart(self):
subprocess_calls = []
def intercept_args(args, **kwargs):
subprocess_calls.append(args)
self.assertEquals(args[0], "sudo")
if args[1] == "cp":
return real_check_call(args[1:], **kwargs)
return 0
real_check_call = self.patch(subprocess, "check_call", intercept_args)
init_dir = self.makeDir()
self.patch(UpstartService, "init_dir", init_dir)
# Mock out the repeated checking for unstable pid, after an initial
# stop/waiting to induce the actual start
getProcessOutput = self.mocker.replace(
"twisted.internet.utils.getProcessOutput")
getProcessOutput("/sbin/status", ["juju-ns1-file-storage"])
self.mocker.result(succeed("stop/waiting"))
for _ in range(5):
getProcessOutput("/sbin/status", ["juju-ns1-file-storage"])
self.mocker.result(succeed("start/running 123"))
self.mocker.replay()
try:
os.remove("/tmp/juju-ns1-file-storage.output")
except OSError:
pass # just make sure it's not there, so the .start()
# doesn't insert a spurious rm
yield self._server.start()
chmod = subprocess_calls[1]
conf_dest = os.path.join(init_dir, "juju-ns1-file-storage.conf")
self.assertEquals(chmod, ("sudo", "chmod", "644", conf_dest))
start = subprocess_calls[-1]
self.assertEquals(
start, ("sudo", "/sbin/start", "juju-ns1-file-storage"))
with open(conf_dest) as f:
for line in f:
if line.startswith("env"):
self.fail("didn't expect any special environment")
if line.startswith("exec"):
exec_ = line[5:].strip()
expect_exec = (
"twistd --nodaemon --uid %s --gid %s --logfile %s --pidfile= -d "
"%s web --port tcp:%s:interface=localhost --path %s >> "
"/tmp/juju-ns1-file-storage.output 2>&1"
% (os.getuid(), os.getgid(), self._logfile, self._storage_path,
self._port, self._storage_path))
self.assertEquals(exec_, expect_exec)
@uses_sudo
@inlineCallbacks
def test_start_stop(self):
yield self._storage.put("abc", StringIO("hello world"))
yield self._server.start()
# Starting multiple times is fine.
yield self._server.start()
storage_url = yield self._storage.get_url("abc")
# It might not have started actually accepting connections yet...
yield self.wait_for_server(self._server)
self.assertEqual((yield getPage(storage_url)), "hello world")
# Check that it can be killed by the current user (ie, is not running
# as root) and still comes back up
old_pid = yield self._server.get_pid()
os.kill(old_pid, signal.SIGKILL)
new_pid = yield self._server.get_pid()
self.assertNotEquals(old_pid, new_pid)
# Give it a moment to actually start serving again
yield self.wait_for_server(self._server)
self.assertEqual((yield getPage(storage_url)), "hello world")
yield self._server.stop()
# Stopping multiple times is fine too.
yield self._server.stop()
@uses_sudo
@inlineCallbacks
def test_namespacing(self):
alt_storage_path = self.makeDir()
alt_storage = LocalStorage(alt_storage_path)
yield alt_storage.put("some-path", StringIO("alternative"))
yield self._storage.put("some-path", StringIO("original"))
alt_server = StorageServer(
"ns2", alt_storage_path, "localhost", get_open_port(),
self.makeFile())
yield alt_server.start()
yield self._server.start()
yield self.wait_for_server(alt_server)
yield self.wait_for_server(self._server)
alt_contents = yield getPage(
(yield alt_storage.get_url("some-path")))
self.assertEquals(alt_contents, "alternative")
orig_contents = yield getPage(
(yield self._storage.get_url("some-path")))
self.assertEquals(orig_contents, "original")
yield alt_server.stop()
yield self._server.stop()
@uses_sudo
@inlineCallbacks
def test_capture_errors(self):
self._port = get_open_port()
self._server = StorageServer(
"borken", self._storage_path, "lol borken", self._port,
self._logfile)
d = self._server.start()
e = yield self.assertFailure(d, ServiceError)
self.assertTrue(str(e).startswith(
"Failed to start job juju-borken-file-storage; got output:\n"))
self.assertIn("Wrong number of arguments", str(e))
yield self._server.stop()
def bootstrap(self):
"""Bootstrap a local development environment.
"""
# Check for existing environment
state = yield self.load_state()
if state is not False:
raise ProviderError("Environment already bootstrapped")
# Check for required packages
log.info("Checking for required packages...")
missing = check_packages(*REQUIRED_PACKAGES)
if missing:
raise ProviderError("Missing packages %s" % (
", ".join(sorted(list(missing)))))
# Get/create directory for zookeeper and files
zookeeper_dir = os.path.join(self._directory, "zookeeper")
if not os.path.exists(zookeeper_dir):
os.makedirs(zookeeper_dir)
# Start networking, and get an open port.
log.info("Starting networking...")
net = Network("default", subnet=122)
# Start is a noop if its already started, which it is by default,
# per libvirt-bin package installation
yield net.start()
net_attributes = yield net.get_attributes()
port = get_open_port(net_attributes["ip"]["address"])
# Start zookeeper
log.info("Starting zookeeper...")
# Run zookeeper as the current user, unless we're being run as root
# in which case run zookeeper as the 'zookeeper' user.
zookeeper_user = None
if os.geteuid() == 0:
zookeeper_user = "******"
zookeeper = Zookeeper(zookeeper_dir,
port=port,
host=net_attributes["ip"]["address"],
user=zookeeper_user, group=zookeeper_user)
yield zookeeper.start()
# Starting provider storage server
log.info("Starting storage server...")
storage_server = StorageServer(
pid_file=os.path.join(self._directory, "storage-server.pid"),
storage_dir=os.path.join(self._directory, "files"),
host=net_attributes["ip"]["address"],
port=get_open_port(net_attributes["ip"]["address"]),
log_file=os.path.join(self._directory, "storage-server.log"))
yield storage_server.start()
# Save the zookeeper start to provider storage.
yield self.save_state({"zookeeper-instances": ["local"],
"zookeeper-address": zookeeper.address})
# Initialize the zookeeper state
log.debug("Initializing state...")
admin_identity = make_identity(
"admin:%s" % self.config["admin-secret"])
client = ZookeeperClient(zookeeper.address)
yield client.connect()
hierarchy = StateHierarchy(client, admin_identity, "local", "local")
yield hierarchy.initialize()
# Store user credentials from the running user
try:
public_key = get_user_authorized_keys(self.config)
public_key = public_key.strip()
except LookupError, e:
raise ProviderError(str(e))
