moto/moto/emr/utils.py
2019-10-31 10:36:05 -07:00

56 lines
1.6 KiB
Python

from __future__ import unicode_literals
import random
import string
import six
def random_id(size=13):
chars = list(range(10)) + list(string.ascii_uppercase)
return "".join(six.text_type(random.choice(chars)) for x in range(size))
def random_cluster_id(size=13):
return "j-{0}".format(random_id())
def random_step_id(size=13):
return "s-{0}".format(random_id())
def random_instance_group_id(size=13):
return "i-{0}".format(random_id())
def tags_from_query_string(querystring_dict):
prefix = "Tags"
suffix = "Key"
response_values = {}
for key, value in querystring_dict.items():
if key.startswith(prefix) and key.endswith(suffix):
tag_index = key.replace(prefix + ".", "").replace("." + suffix, "")
tag_key = querystring_dict.get("Tags.{0}.Key".format(tag_index))[0]
tag_value_key = "Tags.{0}.Value".format(tag_index)
if tag_value_key in querystring_dict:
response_values[tag_key] = querystring_dict.get(tag_value_key)[0]
else:
response_values[tag_key] = None
return response_values
def steps_from_query_string(querystring_dict):
steps = []
for step in querystring_dict:
step["jar"] = step.pop("hadoop_jar_step._jar")
step["properties"] = dict(
(o["Key"], o["Value"]) for o in step.get("properties", [])
)
step["args"] = []
idx = 1
keyfmt = "hadoop_jar_step._args.member.{0}"
while keyfmt.format(idx) in step:
step["args"].append(step.pop(keyfmt.format(idx)))
idx += 1
steps.append(step)
return steps