-
Notifications
You must be signed in to change notification settings - Fork 4.3k
/
Copy pathsteputils.py
251 lines (205 loc) · 8.28 KB
/
steputils.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
# Copyright 2014 Amazon.com, Inc. or its affiliates. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"). You
# may not use this file except in compliance with the License. A copy of
# the License is located at
#
# http://aws.amazon.com/apache2.0/
#
# or in the "license" file accompanying this file. This file is
# distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
# ANY KIND, either express or implied. See the License for the specific
# language governing permissions and limitations under the License.
from awscli.customizations.emr import emrutils
from awscli.customizations.emr import constants
from awscli.customizations.emr import exceptions
def build_step_config_list(parsed_step_list, region, release_label):
step_config_list = []
for step in parsed_step_list:
step_type = step.get('Type')
if step_type is None:
step_type = constants.CUSTOM_JAR
step_type = step_type.lower()
step_config = {}
if step_type == constants.CUSTOM_JAR:
step_config = build_custom_jar_step(parsed_step=step)
elif step_type == constants.STREAMING:
step_config = build_streaming_step(
parsed_step=step, release_label=release_label)
elif step_type == constants.HIVE:
step_config = build_hive_step(
parsed_step=step, region=region,
release_label=release_label)
elif step_type == constants.PIG:
step_config = build_pig_step(
parsed_step=step, region=region,
release_label=release_label)
elif step_type == constants.IMPALA:
step_config = build_impala_step(
parsed_step=step, region=region,
release_label=release_label)
elif step_type == constants.SPARK:
step_config = build_spark_step(
parsed_step=step, region=region,
release_label=release_label)
else:
raise exceptions.UnknownStepTypeError(step_type=step_type)
step_config_list.append(step_config)
return step_config_list
def build_custom_jar_step(parsed_step):
name = _apply_default_value(
arg=parsed_step.get('Name'),
value=constants.DEFAULT_CUSTOM_JAR_STEP_NAME)
action_on_failure = _apply_default_value(
arg=parsed_step.get('ActionOnFailure'),
value=constants.DEFAULT_FAILURE_ACTION)
emrutils.check_required_field(
structure=constants.CUSTOM_JAR_STEP_CONFIG,
name='Jar',
value=parsed_step.get('Jar'))
return emrutils.build_step(
jar=parsed_step.get('Jar'),
args=parsed_step.get('Args'),
name=name,
action_on_failure=action_on_failure,
main_class=parsed_step.get('MainClass'),
properties=emrutils.parse_key_value_string(
parsed_step.get('Properties')))
def build_streaming_step(parsed_step, release_label):
name = _apply_default_value(
arg=parsed_step.get('Name'),
value=constants.DEFAULT_STREAMING_STEP_NAME)
action_on_failure = _apply_default_value(
arg=parsed_step.get('ActionOnFailure'),
value=constants.DEFAULT_FAILURE_ACTION)
args = parsed_step.get('Args')
emrutils.check_required_field(
structure=constants.STREAMING_STEP_CONFIG,
name='Args',
value=args)
emrutils.check_empty_string_list(name='Args', value=args)
args_list = []
if release_label:
jar = constants.COMMAND_RUNNER
args_list.append(constants.HADOOP_STREAMING_COMMAND)
else:
jar = constants.HADOOP_STREAMING_PATH
args_list += args
return emrutils.build_step(
jar=jar,
args=args_list,
name=name,
action_on_failure=action_on_failure)
def build_hive_step(parsed_step, release_label, region=None):
args = parsed_step.get('Args')
emrutils.check_required_field(
structure=constants.HIVE_STEP_CONFIG, name='Args', value=args)
emrutils.check_empty_string_list(name='Args', value=args)
name = _apply_default_value(
arg=parsed_step.get('Name'),
value=constants.DEFAULT_HIVE_STEP_NAME)
action_on_failure = \
_apply_default_value(
arg=parsed_step.get('ActionOnFailure'),
value=constants.DEFAULT_FAILURE_ACTION)
return emrutils.build_step(
jar=_get_runner_jar(release_label, region),
args=_build_hive_args(args, release_label, region),
name=name,
action_on_failure=action_on_failure)
def _build_hive_args(args, release_label, region):
args_list = []
if release_label:
args_list.append(constants.HIVE_SCRIPT_COMMAND)
else:
args_list.append(emrutils.build_s3_link(
relative_path=constants.HIVE_SCRIPT_PATH, region=region))
args_list.append(constants.RUN_HIVE_SCRIPT)
if not release_label:
args_list.append(constants.HIVE_VERSIONS)
args_list.append(constants.LATEST)
args_list.append(constants.ARGS)
args_list += args
return args_list
def build_pig_step(parsed_step, release_label, region=None):
args = parsed_step.get('Args')
emrutils.check_required_field(
structure=constants.PIG_STEP_CONFIG, name='Args', value=args)
emrutils.check_empty_string_list(name='Args', value=args)
name = _apply_default_value(
arg=parsed_step.get('Name'),
value=constants.DEFAULT_PIG_STEP_NAME)
action_on_failure = _apply_default_value(
arg=parsed_step.get('ActionOnFailure'),
value=constants.DEFAULT_FAILURE_ACTION)
return emrutils.build_step(
jar=_get_runner_jar(release_label, region),
args=_build_pig_args(args, release_label, region),
name=name,
action_on_failure=action_on_failure)
def _build_pig_args(args, release_label, region):
args_list = []
if release_label:
args_list.append(constants.PIG_SCRIPT_COMMAND)
else:
args_list.append(emrutils.build_s3_link(
relative_path=constants.PIG_SCRIPT_PATH, region=region))
args_list.append(constants.RUN_PIG_SCRIPT)
if not release_label:
args_list.append(constants.PIG_VERSIONS)
args_list.append(constants.LATEST)
args_list.append(constants.ARGS)
args_list += args
return args_list
def build_impala_step(parsed_step, release_label, region=None):
if release_label:
raise exceptions.UnknownStepTypeError(step_type=constants.IMPALA)
name = _apply_default_value(
arg=parsed_step.get('Name'),
value=constants.DEFAULT_IMPALA_STEP_NAME)
action_on_failure = _apply_default_value(
arg=parsed_step.get('ActionOnFailure'),
value=constants.DEFAULT_FAILURE_ACTION)
args_list = [
emrutils.build_s3_link(
relative_path=constants.IMPALA_INSTALL_PATH, region=region),
constants.RUN_IMPALA_SCRIPT]
args = parsed_step.get('Args')
emrutils.check_required_field(
structure=constants.IMPALA_STEP_CONFIG, name='Args', value=args)
args_list += args
return emrutils.build_step(
jar=emrutils.get_script_runner(region),
args=args_list,
name=name,
action_on_failure=action_on_failure)
def build_spark_step(parsed_step, release_label, region=None):
name = _apply_default_value(
arg=parsed_step.get('Name'),
value=constants.DEFAULT_SPARK_STEP_NAME)
action_on_failure = _apply_default_value(
arg=parsed_step.get('ActionOnFailure'),
value=constants.DEFAULT_FAILURE_ACTION)
args = parsed_step.get('Args')
emrutils.check_required_field(
structure=constants.SPARK_STEP_CONFIG, name='Args', value=args)
return emrutils.build_step(
jar=_get_runner_jar(release_label, region),
args=_build_spark_args(args, release_label, region),
name=name,
action_on_failure=action_on_failure)
def _build_spark_args(args, release_label, region):
args_list = []
if release_label:
args_list.append(constants.SPARK_SUBMIT_COMMAND)
else:
args_list.append(constants.SPARK_SUBMIT_PATH)
args_list += args
return args_list
def _apply_default_value(arg, value):
if arg is None:
arg = value
return arg
def _get_runner_jar(release_label, region):
return constants.COMMAND_RUNNER if release_label \
else emrutils.get_script_runner(region)