def test_base64_sha1_string(self):
str_to_sha1 = [
# no special cases str (no altchars)
('77e7d60d-e137-4246-8a84-a25db33571cd',
'iVZVQ5AKmk2Ae0uGLP0Ue4OseRM='),
# backward compat amphorae with - in str[1:]
('9c6e5f27-a0da-4ceb-afe5-5a81230be42e',
'NjrNgt3Egl-H5ScbYM5ChtUH3M8='),
# sha1 would start with -, now replaced with x
('4db4a3cf-9fef-4057-b1fd-b2afbf7a8a0f',
'xxqntK8jJ_gE3QEmh-D1-XgCW_E=')
]
for str, sha1 in str_to_sha1:
self.assertEqual(sha1, utils.base64_sha1_string(str))
def test_render_active_active_loadbalancer_obj(self):
j_cfg = jinja_cfg.JinjaTemplater(
base_amp_path='/var/lib/octavia',
base_crt_dir='/var/lib/octavia/certs',
connection_logging=False)
lb = sample_configs.sample_listener_loadbalancer_tuple(
topology='ACTIVE_ACTIVE')
listener = sample_configs.sample_listener_tuple(load_balancer=lb)
defaults = ("defaults\n"
" no log\n"
" retries 3\n"
" option redispatch\n\n")
peers = ("peers sample_listener_id_1_peers\n"
" peer {peer1} 10.10.10.6:1024\n\n\n").format(
peer1=utils.base64_sha1_string(
lb.amphorae[0].id).replace('=', ''))
ref_conf = sample_configs.sample_base_expected_config(
defaults=defaults, peers=peers)
rendered_obj = j_cfg.render_loadbalancer_obj(lb.amphorae[0], listener)
self.assertEqual(ref_conf, rendered_obj)
def upload_haproxy_config(self, amphora_id, listener_id):
"""Upload the haproxy config
:param amphora_id: The id of the amphora to update
:param listener_id: The id of the listener
"""
stream = Wrapped(flask.request.stream)
# We have to hash here because HAProxy has a string length limitation
# in the configuration file "peer <peername>" lines
peer_name = octavia_utils.base64_sha1_string(amphora_id).rstrip('=')
if not os.path.exists(util.haproxy_dir(listener_id)):
os.makedirs(util.haproxy_dir(listener_id))
name = os.path.join(util.haproxy_dir(listener_id), 'haproxy.cfg.new')
flags = os.O_WRONLY | os.O_CREAT | os.O_TRUNC
# mode 00600
mode = stat.S_IRUSR | stat.S_IWUSR
b = stream.read(BUFFER)
s_io = io.StringIO()
while b:
# Write haproxy configuration to StringIO
s_io.write(b.decode('utf8'))
b = stream.read(BUFFER)
# Since haproxy user_group is now auto-detected by the amphora agent,
# remove it from haproxy configuration in case it was provided
# by an older Octavia controller. This is needed in order to prevent
# a duplicate entry for 'group' in haproxy configuration, which will
# result an error when haproxy starts.
new_config = re.sub(r"\s+group\s.+", "", s_io.getvalue())
# Handle any haproxy version compatibility issues
new_config = haproxy_compatibility.process_cfg_for_version_compat(
new_config)
with os.fdopen(os.open(name, flags, mode), 'w') as file:
file.write(new_config)
# use haproxy to check the config
cmd = "haproxy -c -L {peer} -f {config_file} -f {haproxy_ug}".format(
config_file=name,
peer=peer_name,
haproxy_ug=consts.HAPROXY_USER_GROUP_CFG)
try:
subprocess.check_output(cmd.split(), stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as e:
LOG.error("Failed to verify haproxy file: %s %s", e, e.output)
# Save the last config that failed validation for debugging
os.rename(name, ''.join([name, '-failed']))
return webob.Response(json=dict(message="Invalid request",
details=e.output),
status=400)
# file ok - move it
os.rename(name, util.config_path(listener_id))
try:
init_system = util.get_os_init_system()
LOG.debug('Found init system: %s', init_system)
init_path = util.init_path(listener_id, init_system)
if init_system == consts.INIT_SYSTEMD:
template = SYSTEMD_TEMPLATE
# Render and install the network namespace systemd service
util.install_netns_systemd_service()
util.run_systemctl_command(
consts.ENABLE, consts.AMP_NETNS_SVC_PREFIX + '.service')
elif init_system == consts.INIT_UPSTART:
template = UPSTART_TEMPLATE
elif init_system == consts.INIT_SYSVINIT:
template = SYSVINIT_TEMPLATE
init_enable_cmd = "insserv {file}".format(file=init_path)
else:
raise util.UnknownInitError()
except util.UnknownInitError:
LOG.error("Unknown init system found.")
return webob.Response(json=dict(
message="Unknown init system in amphora",
details="The amphora image is running an unknown init "
"system. We can't create the init configuration "
"file for the load balancing process."),
status=500)
if init_system == consts.INIT_SYSTEMD:
# mode 00644
mode = (stat.S_IRUSR | stat.S_IWUSR | stat.S_IRGRP | stat.S_IROTH)
else:
# mode 00755
mode = (stat.S_IRWXU | stat.S_IRGRP | stat.S_IXGRP | stat.S_IROTH
| stat.S_IXOTH)
hap_major, hap_minor = haproxy_compatibility.get_haproxy_versions()
if not os.path.exists(init_path):
with os.fdopen(os.open(init_path, flags, mode), 'w') as text_file:
text = template.render(
peer_name=peer_name,
haproxy_pid=util.pid_path(listener_id),
haproxy_cmd=util.CONF.haproxy_amphora.haproxy_cmd,
haproxy_cfg=util.config_path(listener_id),
haproxy_user_group_cfg=consts.HAPROXY_USER_GROUP_CFG,
respawn_count=util.CONF.haproxy_amphora.respawn_count,
respawn_interval=(
util.CONF.haproxy_amphora.respawn_interval),
amphora_netns=consts.AMP_NETNS_SVC_PREFIX,
amphora_nsname=consts.AMPHORA_NAMESPACE,
HasIFUPAll=self._osutils.has_ifup_all(),
haproxy_major_version=hap_major,
haproxy_minor_version=hap_minor)
text_file.write(text)
# Make sure the new service is enabled on boot
if init_system == consts.INIT_SYSTEMD:
util.run_systemctl_command(
consts.ENABLE, "haproxy-{list}".format(list=listener_id))
elif init_system == consts.INIT_SYSVINIT:
try:
subprocess.check_output(init_enable_cmd.split(),
stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as e:
LOG.error(
"Failed to enable haproxy-%(list)s service: "
"%(err)s %(out)s", {
'list': listener_id,
'err': e,
'out': e.output
})
return webob.Response(json=dict(
message="Error enabling haproxy-{0} service".format(
listener_id),
details=e.output),
status=500)
res = webob.Response(json={'message': 'OK'}, status=202)
res.headers['ETag'] = stream.get_md5()
return res
def test_haproxy(self, mock_remove, mock_subprocess, mock_rename,
mock_makedirs, mock_exists):
mock_exists.return_value = True
flags = os.O_WRONLY | os.O_CREAT | os.O_TRUNC
file_name = '/var/lib/octavia/123/haproxy.cfg.new'
m = self.useFixture(test_utils.OpenFixture(file_name)).mock_open
# happy case init file exists
with mock.patch('os.open') as mock_open, mock.patch.object(
os, 'fdopen', m) as mock_fdopen:
mock_open.return_value = 123
rv = self.app.put('/' + api_server.VERSION +
'/listeners/amp_123/123/haproxy',
data='test')
mode = stat.S_IRUSR | stat.S_IWUSR
mock_open.assert_called_with(file_name, flags, mode)
mock_fdopen.assert_called_with(123, 'w')
self.assertEqual(202, rv.status_code)
handle = m()
handle.write.assert_called_once_with(six.b('test'))
calls = [
mock.call("haproxy -c -L {peer} -f {config_file}".format(
config_file=file_name,
peer=(octavia_utils.base64_sha1_string('amp_123')
.rstrip('='))).split(), stderr=-2)
]
mock_subprocess.assert_has_calls(calls)
mock_rename.assert_called_once_with(
'/var/lib/octavia/123/haproxy.cfg.new',
'/var/lib/octavia/123/haproxy.cfg')
# exception writing
m = self.useFixture(test_utils.OpenFixture(file_name)).mock_open
m.side_effect = IOError() # open crashes
with mock.patch('os.open'), mock.patch.object(os, 'fdopen', m):
rv = self.app.put('/' + api_server.VERSION +
'/listeners/amp_123/123/haproxy',
data='test')
self.assertEqual(500, rv.status_code)
# check if files get created
mock_exists.return_value = False
init_path = '/etc/init/haproxy-123.conf'
m = self.useFixture(test_utils.OpenFixture(init_path)).mock_open
# happy case init file exists
with mock.patch('os.open') as mock_open, mock.patch.object(
os, 'fdopen', m) as mock_fdopen:
mock_open.return_value = 123
rv = self.app.put('/' + api_server.VERSION +
'/listeners/amp_123/123/haproxy',
data='test')
self.assertEqual(202, rv.status_code)
mode = (stat.S_IRWXU | stat.S_IRGRP | stat.S_IXGRP |
stat.S_IROTH | stat.S_IXOTH)
mock_open.assert_called_with(util.SYSVINIT_DIR + '/haproxy-123',
flags, mode)
mock_fdopen.assert_called_with(123, 'w')
handle = mock_fdopen()
handle.write.assert_any_call(six.b('test'))
# skip the template stuff
mock_makedirs.assert_called_with('/var/lib/octavia/123')
# unhappy case haproxy check fails
mock_exists.return_value = True
mock_subprocess.side_effect = [subprocess.CalledProcessError(
7, 'test', RANDOM_ERROR)]
with mock.patch('os.open') as mock_open, mock.patch.object(
os, 'fdopen', m) as mock_fdopen:
mock_open.return_value = 123
rv = self.app.put('/' + api_server.VERSION +
'/listeners/amp_123/123/haproxy',
data='test')
self.assertEqual(400, rv.status_code)
self.assertEqual(
{'message': 'Invalid request', u'details': u'random error'},
json.loads(rv.data.decode('utf-8')))
mode = stat.S_IRUSR | stat.S_IWUSR
mock_open.assert_called_with(file_name, flags, mode)
mock_fdopen.assert_called_with(123, 'w')
handle = mock_fdopen()
handle.write.assert_called_with(six.b('test'))
mock_subprocess.assert_called_with(
"haproxy -c -L {peer} -f {config_file}".format(
config_file=file_name,
peer=(octavia_utils.
base64_sha1_string('amp_123').rstrip('='))).split(),
stderr=-2)
mock_remove.assert_called_once_with(file_name)
def upload_haproxy_config(amphora_id, listener_id):
stream = Wrapped(flask.request.stream)
# We have to hash here because HAProxy has a string length limitation
# in the configuration file "peer <peername>" lines
peer_name = octavia_utils.base64_sha1_string(amphora_id).rstrip('=')
if not os.path.exists(util.haproxy_dir(listener_id)):
os.makedirs(util.haproxy_dir(listener_id))
name = os.path.join(util.haproxy_dir(listener_id), 'haproxy.cfg.new')
flags = os.O_WRONLY | os.O_CREAT | os.O_TRUNC
# mode 00600
mode = stat.S_IRUSR | stat.S_IWUSR
with os.fdopen(os.open(name, flags, mode), 'w') as file:
b = stream.read(BUFFER)
while (b):
file.write(b)
b = stream.read(BUFFER)
# use haproxy to check the config
cmd = "haproxy -c -L {peer} -f {config_file}".format(config_file=name,
peer=peer_name)
try:
subprocess.check_output(cmd.split(), stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as e:
LOG.debug("Failed to verify haproxy file: %s", e)
os.remove(name) # delete file
return flask.make_response(
flask.jsonify(dict(message="Invalid request", details=e.output)),
400)
# file ok - move it
os.rename(name, util.config_path(listener_id))
use_upstart = util.CONF.haproxy_amphora.use_upstart
file = util.init_path(listener_id)
# mode 00755
mode = (stat.S_IRWXU | stat.S_IRGRP | stat.S_IXGRP | stat.S_IROTH
| stat.S_IXOTH)
if not os.path.exists(file):
with os.fdopen(os.open(file, flags, mode), 'w') as text_file:
template = UPSTART_TEMPLATE if use_upstart else SYSVINIT_TEMPLATE
text = template.render(
peer_name=peer_name,
haproxy_pid=util.pid_path(listener_id),
haproxy_cmd=util.CONF.haproxy_amphora.haproxy_cmd,
haproxy_cfg=util.config_path(listener_id),
respawn_count=util.CONF.haproxy_amphora.respawn_count,
respawn_interval=util.CONF.haproxy_amphora.respawn_interval,
amphora_nsname=consts.AMPHORA_NAMESPACE)
text_file.write(text)
if not use_upstart:
insrvcmd = ("insserv {file}".format(file=file))
try:
subprocess.check_output(insrvcmd.split(), stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as e:
LOG.debug("Failed to make %(file)s executable: %(err)s", {
'file': file,
'err': e
})
return flask.make_response(
flask.jsonify(
dict(message="Error making file {0} executable".format(
file),
details=e.output)), 500)
res = flask.make_response(flask.jsonify({'message': 'OK'}), 202)
res.headers['ETag'] = stream.get_md5()
return res
def upload_haproxy_config(self, amphora_id, listener_id):
"""Upload the haproxy config
:param amphora_id: The id of the amphora to update
:param listener_id: The id of the listener
"""
stream = Wrapped(flask.request.stream)
# We have to hash here because HAProxy has a string length limitation
# in the configuration file "peer <peername>" lines
peer_name = octavia_utils.base64_sha1_string(amphora_id).rstrip('=')
if not os.path.exists(util.haproxy_dir(listener_id)):
os.makedirs(util.haproxy_dir(listener_id))
name = os.path.join(util.haproxy_dir(listener_id), 'haproxy.cfg.new')
flags = os.O_WRONLY | os.O_CREAT | os.O_TRUNC
# mode 00600
mode = stat.S_IRUSR | stat.S_IWUSR
with os.fdopen(os.open(name, flags, mode), 'wb') as file:
b = stream.read(BUFFER)
while (b):
file.write(b)
b = stream.read(BUFFER)
# use haproxy to check the config
cmd = "haproxy -c -L {peer} -f {config_file}".format(config_file=name,
peer=peer_name)
try:
subprocess.check_output(cmd.split(), stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as e:
LOG.error(_LE("Failed to verify haproxy file: %s"), e)
os.remove(name) # delete file
return flask.make_response(
flask.jsonify(dict(message="Invalid request",
details=e.output)), 400)
# file ok - move it
os.rename(name, util.config_path(listener_id))
try:
init_system = util.get_os_init_system()
LOG.debug('Found init system: {0}'.format(init_system))
init_path = util.init_path(listener_id, init_system)
if init_system == consts.INIT_SYSTEMD:
template = SYSTEMD_TEMPLATE
init_enable_cmd = "systemctl enable haproxy-{list}".format(
list=listener_id)
elif init_system == consts.INIT_UPSTART:
template = UPSTART_TEMPLATE
elif init_system == consts.INIT_SYSVINIT:
template = SYSVINIT_TEMPLATE
init_enable_cmd = "insserv {file}".format(file=init_path)
else:
raise util.UnknownInitError()
except util.UnknownInitError:
LOG.error(_LE("Unknown init system found."))
return flask.make_response(
flask.jsonify(
dict(
message="Unknown init system in amphora",
details="The amphora image is running an unknown init "
"system. We can't create the init configuration "
"file for the load balancing process.")), 500)
if init_system == consts.INIT_SYSTEMD:
# mode 00644
mode = (stat.S_IRUSR | stat.S_IWUSR | stat.S_IRGRP | stat.S_IROTH)
else:
# mode 00755
mode = (stat.S_IRWXU | stat.S_IRGRP | stat.S_IXGRP | stat.S_IROTH
| stat.S_IXOTH)
if not os.path.exists(init_path):
with os.fdopen(os.open(init_path, flags, mode), 'w') as text_file:
text = template.render(
peer_name=peer_name,
haproxy_pid=util.pid_path(listener_id),
haproxy_cmd=util.CONF.haproxy_amphora.haproxy_cmd,
haproxy_cfg=util.config_path(listener_id),
respawn_count=util.CONF.haproxy_amphora.respawn_count,
respawn_interval=(
util.CONF.haproxy_amphora.respawn_interval),
amphora_nsname=consts.AMPHORA_NAMESPACE,
HasIFUPAll=self._osutils.has_ifup_all())
text_file.write(text)
# Make sure the new service is enabled on boot
if init_system != consts.INIT_UPSTART:
try:
subprocess.check_output(init_enable_cmd.split(),
stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as e:
LOG.error(
_LE("Failed to enable haproxy-%(list)s "
"service: %(err)s"), {
'list': listener_id,
'err': e
})
return flask.make_response(
flask.jsonify(
dict(message="Error enabling haproxy-{0} service".
format(listener_id),
details=e.output)), 500)
res = flask.make_response(flask.jsonify({'message': 'OK'}), 202)
res.headers['ETag'] = stream.get_md5()
return res
def test_haproxy(self, mock_remove, mock_subprocess, mock_rename,
mock_makedirs, mock_exists):
mock_exists.return_value = True
m = mock.mock_open()
# happy case upstart file exists
with mock.patch.object(builtins, 'open', m):
rv = self.app.put('/' + api_server.VERSION +
'/listeners/amp_123/123/haproxy',
data='test')
self.assertEqual(202, rv.status_code)
m.assert_called_once_with('/var/lib/octavia/123/haproxy.cfg.new',
'w')
handle = m()
handle.write.assert_called_once_with(six.b('test'))
mock_subprocess.assert_called_once_with(
"haproxy -c -L {peer} -f {config_file}".format(
config_file='/var/lib/octavia/123/haproxy.cfg.new',
peer=(octavia_utils.base64_sha1_string('amp_123').rstrip(
'='))).split(),
stderr=-2)
mock_rename.assert_called_once_with(
'/var/lib/octavia/123/haproxy.cfg.new',
'/var/lib/octavia/123/haproxy.cfg')
# exception writing
m = mock.mock_open()
m.side_effect = IOError() # open crashes
with mock.patch.object(builtins, 'open', m):
rv = self.app.put('/' + api_server.VERSION +
'/listeners/amp_123/123/haproxy',
data='test')
self.assertEqual(500, rv.status_code)
# check if files get created
mock_exists.return_value = False
m = mock.mock_open()
# happy case upstart file exists
with mock.patch.object(builtins, 'open', m):
rv = self.app.put('/' + api_server.VERSION +
'/listeners/amp_123/123/haproxy',
data='test')
self.assertEqual(202, rv.status_code)
m.assert_any_call('/var/lib/octavia/123/haproxy.cfg.new', 'w')
m.assert_any_call(util.UPSTART_DIR + '/haproxy-123.conf', 'w')
handle = m()
handle.write.assert_any_call(six.b('test'))
# skip the template stuff
mock_makedirs.assert_called_with('/var/lib/octavia/123')
# unhappy case haproxy check fails
mock_exists.return_value = True
mock_subprocess.side_effect = [
subprocess.CalledProcessError(7, 'test', RANDOM_ERROR)
]
with mock.patch.object(builtins, 'open', m):
rv = self.app.put('/' + api_server.VERSION +
'/listeners/amp_123/123/haproxy',
data='test')
self.assertEqual(400, rv.status_code)
self.assertEqual(
{
'message': 'Invalid request',
u'details': u'random error'
}, json.loads(rv.data.decode('utf-8')))
m.assert_called_with('/var/lib/octavia/123/haproxy.cfg.new', 'w')
handle = m()
handle.write.assert_called_with(six.b('test'))
mock_subprocess.assert_called_with(
"haproxy -c -L {peer} -f {config_file}".format(
config_file='/var/lib/octavia/123/haproxy.cfg.new',
peer=(octavia_utils.base64_sha1_string('amp_123').rstrip(
'='))).split(),
stderr=-2)
mock_remove.assert_called_once_with(
'/var/lib/octavia/123/haproxy.cfg.new')
def upload_haproxy_config(self, amphora_id, listener_id):
"""Upload the haproxy config
:param amphora_id: The id of the amphora to update
:param listener_id: The id of the listener
"""
stream = Wrapped(flask.request.stream)
# We have to hash here because HAProxy has a string length limitation
# in the configuration file "peer <peername>" lines
peer_name = octavia_utils.base64_sha1_string(amphora_id).rstrip('=')
if not os.path.exists(util.haproxy_dir(listener_id)):
os.makedirs(util.haproxy_dir(listener_id))
name = os.path.join(util.haproxy_dir(listener_id), 'haproxy.cfg.new')
flags = os.O_WRONLY | os.O_CREAT | os.O_TRUNC
# mode 00600
mode = stat.S_IRUSR | stat.S_IWUSR
b = stream.read(BUFFER)
s_io = io.StringIO()
while b:
# Write haproxy configuration to StringIO
s_io.write(b.decode('utf8'))
b = stream.read(BUFFER)
# Since haproxy user_group is now auto-detected by the amphora agent,
# remove it from haproxy configuration in case it was provided
# by an older Octavia controller. This is needed in order to prevent
# a duplicate entry for 'group' in haproxy configuration, which will
# result an error when haproxy starts.
new_config = re.sub(r"\s+group\s.+", "", s_io.getvalue())
# Handle any haproxy version compatibility issues
new_config = haproxy_compatibility.process_cfg_for_version_compat(
new_config)
with os.fdopen(os.open(name, flags, mode), 'w') as file:
file.write(new_config)
# use haproxy to check the config
cmd = "haproxy -c -L {peer} -f {config_file} -f {haproxy_ug}".format(
config_file=name, peer=peer_name,
haproxy_ug=consts.HAPROXY_USER_GROUP_CFG)
try:
subprocess.check_output(cmd.split(), stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as e:
LOG.error("Failed to verify haproxy file: %s %s", e, e.output)
# Save the last config that failed validation for debugging
os.rename(name, ''.join([name, '-failed']))
return webob.Response(
json=dict(message="Invalid request", details=e.output),
status=400)
# file ok - move it
os.rename(name, util.config_path(listener_id))
try:
init_system = util.get_os_init_system()
LOG.debug('Found init system: %s', init_system)
init_path = util.init_path(listener_id, init_system)
if init_system == consts.INIT_SYSTEMD:
template = SYSTEMD_TEMPLATE
# Render and install the network namespace systemd service
util.install_netns_systemd_service()
util.run_systemctl_command(
consts.ENABLE, consts.AMP_NETNS_SVC_PREFIX + '.service')
elif init_system == consts.INIT_UPSTART:
template = UPSTART_TEMPLATE
elif init_system == consts.INIT_SYSVINIT:
template = SYSVINIT_TEMPLATE
init_enable_cmd = "insserv {file}".format(file=init_path)
else:
raise util.UnknownInitError()
except util.UnknownInitError:
LOG.error("Unknown init system found.")
return webob.Response(json=dict(
message="Unknown init system in amphora",
details="The amphora image is running an unknown init "
"system. We can't create the init configuration "
"file for the load balancing process."), status=500)
if init_system == consts.INIT_SYSTEMD:
# mode 00644
mode = (stat.S_IRUSR | stat.S_IWUSR | stat.S_IRGRP | stat.S_IROTH)
else:
# mode 00755
mode = (stat.S_IRWXU | stat.S_IRGRP | stat.S_IXGRP |
stat.S_IROTH | stat.S_IXOTH)
hap_major, hap_minor = haproxy_compatibility.get_haproxy_versions()
if not os.path.exists(init_path):
with os.fdopen(os.open(init_path, flags, mode), 'w') as text_file:
text = template.render(
peer_name=peer_name,
haproxy_pid=util.pid_path(listener_id),
haproxy_cmd=util.CONF.haproxy_amphora.haproxy_cmd,
haproxy_cfg=util.config_path(listener_id),
haproxy_user_group_cfg=consts.HAPROXY_USER_GROUP_CFG,
respawn_count=util.CONF.haproxy_amphora.respawn_count,
respawn_interval=(util.CONF.haproxy_amphora.
respawn_interval),
amphora_netns=consts.AMP_NETNS_SVC_PREFIX,
amphora_nsname=consts.AMPHORA_NAMESPACE,
HasIFUPAll=self._osutils.has_ifup_all(),
haproxy_major_version=hap_major,
haproxy_minor_version=hap_minor
)
text_file.write(text)
# Make sure the new service is enabled on boot
if init_system == consts.INIT_SYSTEMD:
util.run_systemctl_command(
consts.ENABLE, "haproxy-{list}".format(list=listener_id))
elif init_system == consts.INIT_SYSVINIT:
try:
subprocess.check_output(init_enable_cmd.split(),
stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as e:
LOG.error("Failed to enable haproxy-%(list)s service: "
"%(err)s %(out)s", {'list': listener_id, 'err': e,
'out': e.output})
return webob.Response(json=dict(
message="Error enabling haproxy-{0} service".format(
listener_id), details=e.output), status=500)
res = webob.Response(json={'message': 'OK'}, status=202)
res.headers['ETag'] = stream.get_md5()
return res
def test_haproxy(self, mock_remove, mock_subprocess, mock_rename,
mock_makedirs, mock_exists):
mock_exists.return_value = True
m = mock.mock_open()
# happy case init file exists
with mock.patch.object(builtins, 'open', m):
rv = self.app.put('/' + api_server.VERSION +
'/listeners/amp_123/123/haproxy',
data='test')
self.assertEqual(202, rv.status_code)
m.assert_called_once_with(
'/var/lib/octavia/123/haproxy.cfg.new', 'w')
handle = m()
handle.write.assert_called_once_with(six.b('test'))
calls = [
mock.call("haproxy -c -L {peer} -f {config_file}".format(
config_file='/var/lib/octavia/123/haproxy.cfg.new',
peer=(octavia_utils.base64_sha1_string('amp_123')
.rstrip('='))).split(), stderr=-2),
mock.call(['chmod', '755', '/etc/init.d/haproxy-123'],
stderr=-2),
mock.call(['insserv', '/etc/init.d/haproxy-123'], stderr=-2)
]
mock_subprocess.assert_has_calls(calls)
mock_rename.assert_called_once_with(
'/var/lib/octavia/123/haproxy.cfg.new',
'/var/lib/octavia/123/haproxy.cfg')
# exception writing
m = mock.mock_open()
m.side_effect = IOError() # open crashes
with mock.patch.object(builtins, 'open', m):
rv = self.app.put('/' + api_server.VERSION +
'/listeners/amp_123/123/haproxy',
data='test')
self.assertEqual(500, rv.status_code)
# check if files get created
mock_exists.return_value = False
m = mock.mock_open()
# happy case init file exists
with mock.patch.object(builtins, 'open', m):
rv = self.app.put('/' + api_server.VERSION +
'/listeners/amp_123/123/haproxy',
data='test')
self.assertEqual(202, rv.status_code)
m.assert_any_call('/var/lib/octavia/123/haproxy.cfg.new', 'w')
m.assert_any_call(util.SYSVINIT_DIR + '/haproxy-123', 'w')
handle = m()
handle.write.assert_any_call(six.b('test'))
# skip the template stuff
mock_makedirs.assert_called_with('/var/lib/octavia/123')
# unhappy case haproxy check fails
mock_exists.return_value = True
mock_subprocess.side_effect = [subprocess.CalledProcessError(
7, 'test', RANDOM_ERROR)]
with mock.patch.object(builtins, 'open', m):
rv = self.app.put('/' + api_server.VERSION +
'/listeners/amp_123/123/haproxy',
data='test')
self.assertEqual(400, rv.status_code)
self.assertEqual(
{'message': 'Invalid request', u'details': u'random error'},
json.loads(rv.data.decode('utf-8')))
m.assert_called_with('/var/lib/octavia/123/haproxy.cfg.new', 'w')
handle = m()
handle.write.assert_called_with(six.b('test'))
mock_subprocess.assert_called_with(
"haproxy -c -L {peer} -f {config_file}".format(
config_file='/var/lib/octavia/123/haproxy.cfg.new',
peer=(octavia_utils.
base64_sha1_string('amp_123').rstrip('='))).split(),
stderr=-2)
mock_remove.assert_called_once_with(
'/var/lib/octavia/123/haproxy.cfg.new')
def upload_haproxy_config(amphora_id, listener_id):
stream = Wrapped(flask.request.stream)
# We have to hash here because HAProxy has a string length limitation
# in the configuration file "peer <peername>" lines
peer_name = octavia_utils.base64_sha1_string(amphora_id).rstrip('=')
if not os.path.exists(util.haproxy_dir(listener_id)):
os.makedirs(util.haproxy_dir(listener_id))
name = os.path.join(util.haproxy_dir(listener_id), 'haproxy.cfg.new')
with open(name, 'w') as file:
b = stream.read(BUFFER)
while (b):
file.write(b)
b = stream.read(BUFFER)
# use haproxy to check the config
cmd = "haproxy -c -L {peer} -f {config_file}".format(config_file=name,
peer=peer_name)
try:
subprocess.check_output(cmd.split(), stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as e:
LOG.debug("Failed to verify haproxy file: %s", e)
os.remove(name) # delete file
return flask.make_response(flask.jsonify(dict(
message="Invalid request",
details=e.output)), 400)
# file ok - move it
os.rename(name, util.config_path(listener_id))
use_upstart = util.CONF.haproxy_amphora.use_upstart
if not os.path.exists(util.init_path(listener_id)):
with open(util.init_path(listener_id), 'w') as text_file:
template = UPSTART_TEMPLATE if use_upstart else SYSVINIT_TEMPLATE
text = template.render(
peer_name=peer_name,
haproxy_pid=util.pid_path(listener_id),
haproxy_cmd=util.CONF.haproxy_amphora.haproxy_cmd,
haproxy_cfg=util.config_path(listener_id),
respawn_count=util.CONF.haproxy_amphora.respawn_count,
respawn_interval=util.CONF.haproxy_amphora.respawn_interval
)
text_file.write(text)
if not use_upstart:
# make init.d script executable
file = util.init_path(listener_id)
permcmd = ("chmod 755 {file}".format(file=file))
insrvcmd = ("insserv {file}".format(file=file))
try:
subprocess.check_output(permcmd.split(), stderr=subprocess.STDOUT)
subprocess.check_output(insrvcmd.split(), stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as e:
LOG.debug("Failed to make %(file)s executable: %(err)s",
{'file': file, 'err': e})
return flask.make_response(flask.jsonify(dict(
message="Error making file {0} executable".format(file),
details=e.output)), 500)
res = flask.make_response(flask.jsonify({
'message': 'OK'}), 202)
res.headers['ETag'] = stream.get_md5()
return res
def upload_haproxy_config(self, amphora_id, listener_id):
"""Upload the haproxy config
:param amphora_id: The id of the amphora to update
:param listener_id: The id of the listener
"""
stream = Wrapped(flask.request.stream)
# We have to hash here because HAProxy has a string length limitation
# in the configuration file "peer <peername>" lines
peer_name = octavia_utils.base64_sha1_string(amphora_id).rstrip('=')
if not os.path.exists(util.haproxy_dir(listener_id)):
os.makedirs(util.haproxy_dir(listener_id))
name = os.path.join(util.haproxy_dir(listener_id), 'haproxy.cfg.new')
flags = os.O_WRONLY | os.O_CREAT | os.O_TRUNC
# mode 00600
mode = stat.S_IRUSR | stat.S_IWUSR
with os.fdopen(os.open(name, flags, mode), 'w') as file:
b = stream.read(BUFFER)
while (b):
file.write(b)
b = stream.read(BUFFER)
# use haproxy to check the config
cmd = "haproxy -c -L {peer} -f {config_file}".format(config_file=name,
peer=peer_name)
try:
subprocess.check_output(cmd.split(), stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as e:
LOG.debug("Failed to verify haproxy file: %s", e)
os.remove(name) # delete file
return flask.make_response(flask.jsonify(dict(
message="Invalid request",
details=e.output)), 400)
# file ok - move it
os.rename(name, util.config_path(listener_id))
use_upstart = util.CONF.haproxy_amphora.use_upstart
file = util.init_path(listener_id)
# mode 00755
mode = (stat.S_IRWXU | stat.S_IRGRP | stat.S_IXGRP |
stat.S_IROTH | stat.S_IXOTH)
if not os.path.exists(file):
with os.fdopen(os.open(file, flags, mode), 'w') as text_file:
template = (UPSTART_TEMPLATE if use_upstart
else SYSVINIT_TEMPLATE)
text = template.render(
peer_name=peer_name,
haproxy_pid=util.pid_path(listener_id),
haproxy_cmd=util.CONF.haproxy_amphora.haproxy_cmd,
haproxy_cfg=util.config_path(listener_id),
respawn_count=util.CONF.haproxy_amphora.respawn_count,
respawn_interval=(util.CONF.haproxy_amphora.
respawn_interval),
amphora_nsname=consts.AMPHORA_NAMESPACE
)
text_file.write(text)
if not use_upstart:
insrvcmd = ("insserv {file}".format(file=file))
try:
subprocess.check_output(insrvcmd.split(),
stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as e:
LOG.debug("Failed to make %(file)s executable: %(err)s",
{'file': file, 'err': e})
return flask.make_response(flask.jsonify(dict(
message="Error making file {0} executable".format(file),
details=e.output)), 500)
res = flask.make_response(flask.jsonify({
'message': 'OK'}), 202)
res.headers['ETag'] = stream.get_md5()
return res
def test_haproxy(self, mock_remove, mock_subprocess, mock_rename,
mock_makedirs, mock_exists):
mock_exists.return_value = True
flags = os.O_WRONLY | os.O_CREAT | os.O_TRUNC
file_name = '/var/lib/octavia/123/haproxy.cfg.new'
m = self.useFixture(test_utils.OpenFixture(file_name)).mock_open
# happy case init file exists
with mock.patch('os.open') as mock_open, mock.patch.object(
os, 'fdopen', m) as mock_fdopen:
mock_open.return_value = 123
rv = self.app.put('/' + api_server.VERSION +
'/listeners/amp_123/123/haproxy',
data='test')
mode = stat.S_IRUSR | stat.S_IWUSR
mock_open.assert_called_with(file_name, flags, mode)
mock_fdopen.assert_called_with(123, 'w')
self.assertEqual(202, rv.status_code)
handle = m()
handle.write.assert_called_once_with(six.b('test'))
calls = [
mock.call("haproxy -c -L {peer} -f {config_file}".format(
config_file=file_name,
peer=(octavia_utils.base64_sha1_string('amp_123').rstrip(
'='))).split(),
stderr=-2)
]
mock_subprocess.assert_has_calls(calls)
mock_rename.assert_called_once_with(
'/var/lib/octavia/123/haproxy.cfg.new',
'/var/lib/octavia/123/haproxy.cfg')
# exception writing
m = self.useFixture(test_utils.OpenFixture(file_name)).mock_open
m.side_effect = IOError() # open crashes
with mock.patch('os.open'), mock.patch.object(os, 'fdopen', m):
rv = self.app.put('/' + api_server.VERSION +
'/listeners/amp_123/123/haproxy',
data='test')
self.assertEqual(500, rv.status_code)
# check if files get created
mock_exists.return_value = False
init_path = '/etc/init/haproxy-123.conf'
m = self.useFixture(test_utils.OpenFixture(init_path)).mock_open
# happy case init file exists
with mock.patch('os.open') as mock_open, mock.patch.object(
os, 'fdopen', m) as mock_fdopen:
mock_open.return_value = 123
rv = self.app.put('/' + api_server.VERSION +
'/listeners/amp_123/123/haproxy',
data='test')
self.assertEqual(202, rv.status_code)
mode = (stat.S_IRWXU | stat.S_IRGRP | stat.S_IXGRP | stat.S_IROTH
| stat.S_IXOTH)
mock_open.assert_called_with(util.SYSVINIT_DIR + '/haproxy-123',
flags, mode)
mock_fdopen.assert_called_with(123, 'w')
handle = mock_fdopen()
handle.write.assert_any_call(six.b('test'))
# skip the template stuff
mock_makedirs.assert_called_with('/var/lib/octavia/123')
# unhappy case haproxy check fails
mock_exists.return_value = True
mock_subprocess.side_effect = [
subprocess.CalledProcessError(7, 'test', RANDOM_ERROR)
]
with mock.patch('os.open') as mock_open, mock.patch.object(
os, 'fdopen', m) as mock_fdopen:
mock_open.return_value = 123
rv = self.app.put('/' + api_server.VERSION +
'/listeners/amp_123/123/haproxy',
data='test')
self.assertEqual(400, rv.status_code)
self.assertEqual(
{
'message': 'Invalid request',
u'details': u'random error'
}, json.loads(rv.data.decode('utf-8')))
mode = stat.S_IRUSR | stat.S_IWUSR
mock_open.assert_called_with(file_name, flags, mode)
mock_fdopen.assert_called_with(123, 'w')
handle = mock_fdopen()
handle.write.assert_called_with(six.b('test'))
mock_subprocess.assert_called_with(
"haproxy -c -L {peer} -f {config_file}".format(
config_file=file_name,
peer=(octavia_utils.base64_sha1_string('amp_123').rstrip(
'='))).split(),
stderr=-2)
mock_remove.assert_called_once_with(file_name)