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authorBrinda Santh Muthuramalingam <brindasanth@in.ibm.com>2019-10-27 13:45:43 +0000
committerGerrit Code Review <gerrit@onap.org>2019-10-27 13:45:43 +0000
commit129cc5bd7654b8017c22f53ebd6cbf9f1b12f55e (patch)
treec0e0260b58b973e6bc9ad59f1737fafd3dce4f5f /ms/command-executor/src/main/python
parent8c16a7853900312866868a61079a336d4b12991a (diff)
parent35ab81bb9ff203e14116de10bc2735ffb2883f67 (diff)
Merge "Improve Remote Python Executor error handling and allow for structured response"
Diffstat (limited to 'ms/command-executor/src/main/python')
-rw-r--r--ms/command-executor/src/main/python/cds_utils/__init__.py0
-rw-r--r--ms/command-executor/src/main/python/cds_utils/payload_coder.py13
-rw-r--r--ms/command-executor/src/main/python/command_executor_handler.py33
-rw-r--r--ms/command-executor/src/main/python/command_executor_server.py27
-rw-r--r--ms/command-executor/src/main/python/proto/CommandExecutor_pb2.py72
-rw-r--r--ms/command-executor/src/main/python/utils.py12
6 files changed, 109 insertions, 48 deletions
diff --git a/ms/command-executor/src/main/python/cds_utils/__init__.py b/ms/command-executor/src/main/python/cds_utils/__init__.py
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/ms/command-executor/src/main/python/cds_utils/__init__.py
diff --git a/ms/command-executor/src/main/python/cds_utils/payload_coder.py b/ms/command-executor/src/main/python/cds_utils/payload_coder.py
new file mode 100644
index 000000000..951262172
--- /dev/null
+++ b/ms/command-executor/src/main/python/cds_utils/payload_coder.py
@@ -0,0 +1,13 @@
+import json
+from email.mime import multipart
+from email.mime import text
+import email.parser
+
+def send_response_data_payload(json_payload):
+ m = multipart.MIMEMultipart("form-data")
+ data = text.MIMEText("response_payload", "json", "utf8")
+ data.set_payload(json.JSONEncoder().encode(json_payload))
+ m.attach(data)
+ print("BEGIN_EXTRA_PAYLOAD")
+ print(m.as_string())
+ print("END_EXTRA_PAYLOAD") \ No newline at end of file
diff --git a/ms/command-executor/src/main/python/command_executor_handler.py b/ms/command-executor/src/main/python/command_executor_handler.py
index 972dad627..c920dda89 100644
--- a/ms/command-executor/src/main/python/command_executor_handler.py
+++ b/ms/command-executor/src/main/python/command_executor_handler.py
@@ -25,6 +25,8 @@ import virtualenv
import venv
import utils
import proto.CommandExecutor_pb2 as CommandExecutor_pb2
+import email.parser
+import json
REQUIREMENTS_TXT = "requirements.txt"
@@ -75,6 +77,10 @@ class CommandExecutorHandler():
else:
cmd = cmd + "; " + request.command + " " + re.escape(MessageToJson(request.properties))
+ payload_result = {}
+ payload_section = []
+ is_payload_section = False
+
try:
with subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
shell=True, bufsize=1, universal_newlines=True) as newProcess:
@@ -82,19 +88,36 @@ class CommandExecutorHandler():
output = newProcess.stdout.readline()
if output == '' and newProcess.poll() is not None:
break
- if output:
+ if output.startswith('BEGIN_EXTRA_PAYLOAD'):
+ is_payload_section = True
+ output = newProcess.stdout.readline()
+ if output.startswith('END_EXTRA_PAYLOAD'):
+ is_payload_section = False
+ output = ''
+ payload = '\n'.join(payload_section)
+ msg = email.parser.Parser().parsestr(payload)
+ for part in msg.get_payload():
+ payload_result = json.loads(part.get_payload())
+ if output and not is_payload_section:
self.logger.info(output.strip())
results.append(output.strip())
- rc = newProcess.poll()
+ else:
+ payload_section.append(output.strip())
+ rc = newProcess.poll()
except Exception as e:
self.logger.info("{} - Failed to execute command. Error: {}".format(self.blueprint_id, e))
results.append(e)
- return False
+ payload_result["cds_return_code"] = False
+ return payload_result
# deactivate_venv(blueprint_id)
- return True
+
+ payload_result["cds_return_code"] = rc
+ return payload_result
def install_packages(self, request, type, f, results):
+ success = self.install_python_packages('UTILITY', results)
+
for package in request.packages:
if package.type == type:
f.write("Installed %s packages:\r\n" % CommandExecutor_pb2.PackageType.Name(type))
@@ -116,6 +139,8 @@ class CommandExecutorHandler():
if REQUIREMENTS_TXT == package:
command = ["pip", "install", "-r", self.venv_home + "/Environments/" + REQUIREMENTS_TXT]
+ elif package == 'UTILITY':
+ command = ["cp", "-r", "./cds_utils", self.venv_home + "/lib/python3.6/site-packages/"]
else:
command = ["pip", "install", package]
diff --git a/ms/command-executor/src/main/python/command_executor_server.py b/ms/command-executor/src/main/python/command_executor_server.py
index 6266141d9..577c8a0ca 100644
--- a/ms/command-executor/src/main/python/command_executor_server.py
+++ b/ms/command-executor/src/main/python/command_executor_server.py
@@ -16,7 +16,7 @@
# limitations under the License.
#
import logging
-
+import os, sys
import proto.CommandExecutor_pb2_grpc as CommandExecutor_pb2_grpc
from command_executor_handler import CommandExecutorHandler
@@ -39,19 +39,26 @@ class CommandExecutorServer(CommandExecutor_pb2_grpc.CommandExecutorServiceServi
handler = CommandExecutorHandler(request)
if not handler.prepare_env(request, results):
self.logger.info("{} - Failed to prepare python environment. {}".format(blueprint_id, results))
- return utils.build_response(request, results, False)
+ return utils.build_response(request, results, {}, False)
self.logger.info("{} - Package installation logs {}".format(blueprint_id, results))
- return utils.build_response(request, results)
+ return utils.build_response(request, results, {}, True)
def executeCommand(self, request, context):
blueprint_id = utils.get_blueprint_id(request)
self.logger.info("{} - Received executeCommand request".format(blueprint_id))
- self.logger.info(request)
+ if os.environ.get('CE_DEBUG','false') == "true":
+ self.logger.info(request)
- results = []
+ log_results = []
+ payload_result = {}
handler = CommandExecutorHandler(request)
- if not handler.execute_command(request, results):
- self.logger.info("{} - Failed to executeCommand. {}".format(blueprint_id, results))
- return utils.build_response(request, results, False)
- self.logger.info("{} - Execution finished successfully.".format(blueprint_id))
- return utils.build_response(request, results)
+ payload_result = handler.execute_command(request, log_results)
+ if not payload_result["cds_return_code"]:
+ self.logger.info("{} - Failed to executeCommand. {}".format(blueprint_id, log_results))
+ else:
+ self.logger.info("{} - Execution finished successfully.".format(blueprint_id))
+
+ ret = utils.build_response(request, log_results, payload_result, payload_result["cds_return_code"])
+ self.logger.info("Payload returned %s" % payload_result)
+
+ return ret \ No newline at end of file
diff --git a/ms/command-executor/src/main/python/proto/CommandExecutor_pb2.py b/ms/command-executor/src/main/python/proto/CommandExecutor_pb2.py
index 478e00959..4edfc6cd5 100644
--- a/ms/command-executor/src/main/python/proto/CommandExecutor_pb2.py
+++ b/ms/command-executor/src/main/python/proto/CommandExecutor_pb2.py
@@ -23,7 +23,7 @@ DESCRIPTOR = _descriptor.FileDescriptor(
package='org.onap.ccsdk.cds.controllerblueprints.command.api',
syntax='proto3',
serialized_options=_b('P\001'),
- serialized_pb=_b('\n\x15\x43ommandExecutor.proto\x12\x33org.onap.ccsdk.cds.controllerblueprints.command.api\x1a\x1cgoogle/protobuf/struct.proto\x1a\x1fgoogle/protobuf/timestamp.proto\"\x8f\x02\n\x0e\x45xecutionInput\x12\x11\n\trequestId\x18\x01 \x01(\t\x12\x15\n\rcorrelationId\x18\x02 \x01(\t\x12U\n\x0bidentifiers\x18\x03 \x01(\x0b\x32@.org.onap.ccsdk.cds.controllerblueprints.command.api.Identifiers\x12\x0f\n\x07\x63ommand\x18\x04 \x01(\t\x12\x0f\n\x07timeOut\x18\x05 \x01(\x05\x12+\n\nproperties\x18\x06 \x01(\x0b\x32\x17.google.protobuf.Struct\x12-\n\ttimestamp\x18\x07 \x01(\x0b\x32\x1a.google.protobuf.Timestamp\"\xd0\x02\n\x0fPrepareEnvInput\x12U\n\x0bidentifiers\x18\x01 \x01(\x0b\x32@.org.onap.ccsdk.cds.controllerblueprints.command.api.Identifiers\x12\x11\n\trequestId\x18\x02 \x01(\t\x12\x15\n\rcorrelationId\x18\x03 \x01(\t\x12O\n\x08packages\x18\x04 \x03(\x0b\x32=.org.onap.ccsdk.cds.controllerblueprints.command.api.Packages\x12\x0f\n\x07timeOut\x18\x05 \x01(\x05\x12+\n\nproperties\x18\x06 \x01(\x0b\x32\x17.google.protobuf.Struct\x12-\n\ttimestamp\x18\x07 \x01(\x0b\x32\x1a.google.protobuf.Timestamp\">\n\x0bIdentifiers\x12\x15\n\rblueprintName\x18\x01 \x01(\t\x12\x18\n\x10\x62lueprintVersion\x18\x02 \x01(\t\"\xba\x01\n\x0f\x45xecutionOutput\x12\x11\n\trequestId\x18\x01 \x01(\t\x12\x10\n\x08response\x18\x02 \x03(\t\x12S\n\x06status\x18\x03 \x01(\x0e\x32\x43.org.onap.ccsdk.cds.controllerblueprints.command.api.ResponseStatus\x12-\n\ttimestamp\x18\x04 \x01(\x0b\x32\x1a.google.protobuf.Timestamp\"k\n\x08Packages\x12N\n\x04type\x18\x01 \x01(\x0e\x32@.org.onap.ccsdk.cds.controllerblueprints.command.api.PackageType\x12\x0f\n\x07package\x18\x02 \x03(\t**\n\x0eResponseStatus\x12\x0b\n\x07SUCCESS\x10\x00\x12\x0b\n\x07\x46\x41ILURE\x10\x01**\n\x0bPackageType\x12\x07\n\x03pip\x10\x00\x12\x12\n\x0e\x61nsible_galaxy\x10\x01\x32\xd1\x02\n\x16\x43ommandExecutorService\x12\x98\x01\n\nprepareEnv\x12\x44.org.onap.ccsdk.cds.controllerblueprints.command.api.PrepareEnvInput\x1a\x44.org.onap.ccsdk.cds.controllerblueprints.command.api.ExecutionOutput\x12\x9b\x01\n\x0e\x65xecuteCommand\x12\x43.org.onap.ccsdk.cds.controllerblueprints.command.api.ExecutionInput\x1a\x44.org.onap.ccsdk.cds.controllerblueprints.command.api.ExecutionOutputB\x02P\x01\x62\x06proto3')
+ serialized_pb=_b('\n\x15\x43ommandExecutor.proto\x12\x33org.onap.ccsdk.cds.controllerblueprints.command.api\x1a\x1cgoogle/protobuf/struct.proto\x1a\x1fgoogle/protobuf/timestamp.proto\"\x8f\x02\n\x0e\x45xecutionInput\x12\x11\n\trequestId\x18\x01 \x01(\t\x12\x15\n\rcorrelationId\x18\x02 \x01(\t\x12U\n\x0bidentifiers\x18\x03 \x01(\x0b\x32@.org.onap.ccsdk.cds.controllerblueprints.command.api.Identifiers\x12\x0f\n\x07\x63ommand\x18\x04 \x01(\t\x12\x0f\n\x07timeOut\x18\x05 \x01(\x05\x12+\n\nproperties\x18\x06 \x01(\x0b\x32\x17.google.protobuf.Struct\x12-\n\ttimestamp\x18\x07 \x01(\x0b\x32\x1a.google.protobuf.Timestamp\"\xd0\x02\n\x0fPrepareEnvInput\x12U\n\x0bidentifiers\x18\x01 \x01(\x0b\x32@.org.onap.ccsdk.cds.controllerblueprints.command.api.Identifiers\x12\x11\n\trequestId\x18\x02 \x01(\t\x12\x15\n\rcorrelationId\x18\x03 \x01(\t\x12O\n\x08packages\x18\x04 \x03(\x0b\x32=.org.onap.ccsdk.cds.controllerblueprints.command.api.Packages\x12\x0f\n\x07timeOut\x18\x05 \x01(\x05\x12+\n\nproperties\x18\x06 \x01(\x0b\x32\x17.google.protobuf.Struct\x12-\n\ttimestamp\x18\x07 \x01(\x0b\x32\x1a.google.protobuf.Timestamp\">\n\x0bIdentifiers\x12\x15\n\rblueprintName\x18\x01 \x01(\t\x12\x18\n\x10\x62lueprintVersion\x18\x02 \x01(\t\"\xcb\x01\n\x0f\x45xecutionOutput\x12\x11\n\trequestId\x18\x01 \x01(\t\x12\x10\n\x08response\x18\x02 \x03(\t\x12S\n\x06status\x18\x03 \x01(\x0e\x32\x43.org.onap.ccsdk.cds.controllerblueprints.command.api.ResponseStatus\x12-\n\ttimestamp\x18\x04 \x01(\x0b\x32\x1a.google.protobuf.Timestamp\x12\x0f\n\x07payload\x18\x05 \x01(\t\"k\n\x08Packages\x12N\n\x04type\x18\x01 \x01(\x0e\x32@.org.onap.ccsdk.cds.controllerblueprints.command.api.PackageType\x12\x0f\n\x07package\x18\x02 \x03(\t**\n\x0eResponseStatus\x12\x0b\n\x07SUCCESS\x10\x00\x12\x0b\n\x07\x46\x41ILURE\x10\x01*9\n\x0bPackageType\x12\x07\n\x03pip\x10\x00\x12\x12\n\x0e\x61nsible_galaxy\x10\x01\x12\r\n\tutilities\x10\x02\x32\xd1\x02\n\x16\x43ommandExecutorService\x12\x98\x01\n\nprepareEnv\x12\x44.org.onap.ccsdk.cds.controllerblueprints.command.api.PrepareEnvInput\x1a\x44.org.onap.ccsdk.cds.controllerblueprints.command.api.ExecutionOutput\x12\x9b\x01\n\x0e\x65xecuteCommand\x12\x43.org.onap.ccsdk.cds.controllerblueprints.command.api.ExecutionInput\x1a\x44.org.onap.ccsdk.cds.controllerblueprints.command.api.ExecutionOutputB\x02P\x01\x62\x06proto3')
,
dependencies=[google_dot_protobuf_dot_struct__pb2.DESCRIPTOR,google_dot_protobuf_dot_timestamp__pb2.DESCRIPTOR,])
@@ -44,8 +44,8 @@ _RESPONSESTATUS = _descriptor.EnumDescriptor(
],
containing_type=None,
serialized_options=None,
- serialized_start=1116,
- serialized_end=1158,
+ serialized_start=1133,
+ serialized_end=1175,
)
_sym_db.RegisterEnumDescriptor(_RESPONSESTATUS)
@@ -64,11 +64,15 @@ _PACKAGETYPE = _descriptor.EnumDescriptor(
name='ansible_galaxy', index=1, number=1,
serialized_options=None,
type=None),
+ _descriptor.EnumValueDescriptor(
+ name='utilities', index=2, number=2,
+ serialized_options=None,
+ type=None),
],
containing_type=None,
serialized_options=None,
- serialized_start=1160,
- serialized_end=1202,
+ serialized_start=1177,
+ serialized_end=1234,
)
_sym_db.RegisterEnumDescriptor(_PACKAGETYPE)
@@ -77,6 +81,7 @@ SUCCESS = 0
FAILURE = 1
pip = 0
ansible_galaxy = 1
+utilities = 2
@@ -299,6 +304,13 @@ _EXECUTIONOUTPUT = _descriptor.Descriptor(
message_type=None, enum_type=None, containing_type=None,
is_extension=False, extension_scope=None,
serialized_options=None, file=DESCRIPTOR),
+ _descriptor.FieldDescriptor(
+ name='payload', full_name='org.onap.ccsdk.cds.controllerblueprints.command.api.ExecutionOutput.payload', index=4,
+ number=5, type=9, cpp_type=9, label=1,
+ has_default_value=False, default_value=_b("").decode('utf-8'),
+ message_type=None, enum_type=None, containing_type=None,
+ is_extension=False, extension_scope=None,
+ serialized_options=None, file=DESCRIPTOR),
],
extensions=[
],
@@ -312,7 +324,7 @@ _EXECUTIONOUTPUT = _descriptor.Descriptor(
oneofs=[
],
serialized_start=819,
- serialized_end=1005,
+ serialized_end=1022,
)
@@ -349,8 +361,8 @@ _PACKAGES = _descriptor.Descriptor(
extension_ranges=[],
oneofs=[
],
- serialized_start=1007,
- serialized_end=1114,
+ serialized_start=1024,
+ serialized_end=1131,
)
_EXECUTIONINPUT.fields_by_name['identifiers'].message_type = _IDENTIFIERS
@@ -372,39 +384,39 @@ DESCRIPTOR.enum_types_by_name['ResponseStatus'] = _RESPONSESTATUS
DESCRIPTOR.enum_types_by_name['PackageType'] = _PACKAGETYPE
_sym_db.RegisterFileDescriptor(DESCRIPTOR)
-ExecutionInput = _reflection.GeneratedProtocolMessageType('ExecutionInput', (_message.Message,), dict(
- DESCRIPTOR = _EXECUTIONINPUT,
- __module__ = 'CommandExecutor_pb2'
+ExecutionInput = _reflection.GeneratedProtocolMessageType('ExecutionInput', (_message.Message,), {
+ 'DESCRIPTOR' : _EXECUTIONINPUT,
+ '__module__' : 'CommandExecutor_pb2'
# @@protoc_insertion_point(class_scope:org.onap.ccsdk.cds.controllerblueprints.command.api.ExecutionInput)
- ))
+ })
_sym_db.RegisterMessage(ExecutionInput)
-PrepareEnvInput = _reflection.GeneratedProtocolMessageType('PrepareEnvInput', (_message.Message,), dict(
- DESCRIPTOR = _PREPAREENVINPUT,
- __module__ = 'CommandExecutor_pb2'
+PrepareEnvInput = _reflection.GeneratedProtocolMessageType('PrepareEnvInput', (_message.Message,), {
+ 'DESCRIPTOR' : _PREPAREENVINPUT,
+ '__module__' : 'CommandExecutor_pb2'
# @@protoc_insertion_point(class_scope:org.onap.ccsdk.cds.controllerblueprints.command.api.PrepareEnvInput)
- ))
+ })
_sym_db.RegisterMessage(PrepareEnvInput)
-Identifiers = _reflection.GeneratedProtocolMessageType('Identifiers', (_message.Message,), dict(
- DESCRIPTOR = _IDENTIFIERS,
- __module__ = 'CommandExecutor_pb2'
+Identifiers = _reflection.GeneratedProtocolMessageType('Identifiers', (_message.Message,), {
+ 'DESCRIPTOR' : _IDENTIFIERS,
+ '__module__' : 'CommandExecutor_pb2'
# @@protoc_insertion_point(class_scope:org.onap.ccsdk.cds.controllerblueprints.command.api.Identifiers)
- ))
+ })
_sym_db.RegisterMessage(Identifiers)
-ExecutionOutput = _reflection.GeneratedProtocolMessageType('ExecutionOutput', (_message.Message,), dict(
- DESCRIPTOR = _EXECUTIONOUTPUT,
- __module__ = 'CommandExecutor_pb2'
+ExecutionOutput = _reflection.GeneratedProtocolMessageType('ExecutionOutput', (_message.Message,), {
+ 'DESCRIPTOR' : _EXECUTIONOUTPUT,
+ '__module__' : 'CommandExecutor_pb2'
# @@protoc_insertion_point(class_scope:org.onap.ccsdk.cds.controllerblueprints.command.api.ExecutionOutput)
- ))
+ })
_sym_db.RegisterMessage(ExecutionOutput)
-Packages = _reflection.GeneratedProtocolMessageType('Packages', (_message.Message,), dict(
- DESCRIPTOR = _PACKAGES,
- __module__ = 'CommandExecutor_pb2'
+Packages = _reflection.GeneratedProtocolMessageType('Packages', (_message.Message,), {
+ 'DESCRIPTOR' : _PACKAGES,
+ '__module__' : 'CommandExecutor_pb2'
# @@protoc_insertion_point(class_scope:org.onap.ccsdk.cds.controllerblueprints.command.api.Packages)
- ))
+ })
_sym_db.RegisterMessage(Packages)
@@ -416,8 +428,8 @@ _COMMANDEXECUTORSERVICE = _descriptor.ServiceDescriptor(
file=DESCRIPTOR,
index=0,
serialized_options=None,
- serialized_start=1205,
- serialized_end=1542,
+ serialized_start=1237,
+ serialized_end=1574,
methods=[
_descriptor.MethodDescriptor(
name='prepareEnv',
diff --git a/ms/command-executor/src/main/python/utils.py b/ms/command-executor/src/main/python/utils.py
index 4314b287d..a3748eb17 100644
--- a/ms/command-executor/src/main/python/utils.py
+++ b/ms/command-executor/src/main/python/utils.py
@@ -16,7 +16,7 @@
from google.protobuf.timestamp_pb2 import Timestamp
import proto.CommandExecutor_pb2 as CommandExecutor_pb2
-
+import json
def get_blueprint_id(request):
blueprint_name = request.identifiers.blueprintName
@@ -24,7 +24,7 @@ def get_blueprint_id(request):
return blueprint_name + '/' + blueprint_version
-def build_response(request, results, is_success=True):
+def build_response(request, log_results, payload_return, is_success=False):
if is_success:
status = CommandExecutor_pb2.SUCCESS
else:
@@ -32,5 +32,9 @@ def build_response(request, results, is_success=True):
timestamp = Timestamp()
timestamp.GetCurrentTime()
- return CommandExecutor_pb2.ExecutionOutput(requestId=request.requestId, response=results, status=status,
- timestamp=timestamp)
+
+ if 'cds_return_code' in payload_return:
+ payload_return.pop('cds_return_code')
+ payload_str = json.dumps(payload_return)
+ return CommandExecutor_pb2.ExecutionOutput(requestId=request.requestId, response=log_results, status=status,
+ payload=payload_str, timestamp=timestamp)