Add EMR clusters and tagging.
This commit is contained in:
Steve Pulec
parent
5ededbb297
commit
95b1fa42b2
4 changed files with 288 additions and 3 deletions
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@ -20,6 +20,35 @@ class FakeInstanceGroup(object):
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self.num_instances = instance_count
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class Cluster(object):
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def __init__(self, id, name, availability_zone, ec2_key_name, subnet_id,
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ec2_iam_profile, log_uri):
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self.id = id
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self.name = name
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self.applications = []
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self.auto_terminate = "false"
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self.availability_zone = availability_zone
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self.subnet_id = subnet_id
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self.ec2_iam_profile = ec2_iam_profile
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self.log_uri = log_uri
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self.master_public_dns_name = ""
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self.normalized_instance_hours = 0
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self.requested_ami_version = "2.4.2"
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self.running_ami_version = "2.4.2"
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self.service_role = "my-service-role"
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self.state = "RUNNING"
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self.tags = {}
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self.termination_protected = "false"
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self.visible_to_all_users = "false"
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def add_tags(self, tags):
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self.tags.update(tags)
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def remove_tags(self, tag_keys):
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for key in tag_keys:
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self.tags.pop(key, None)
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class FakeStep(object):
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def __init__(self, state, **kwargs):
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# 'Steps.member.1.HadoopJarStep.Jar': ['/home/hadoop/contrib/streaming/hadoop-streaming.jar'],
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@ -68,11 +97,24 @@ class FakeJobFlow(object):
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self.normalized_instance_hours = 0
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self.ec2_key_name = instance_attrs.get('ec2_key_name')
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self.availability_zone = instance_attrs.get('placement.availability_zone')
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self.subnet_id = instance_attrs.get('ec2_subnet_id')
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self.keep_job_flow_alive_when_no_steps = instance_attrs.get('keep_job_flow_alive_when_no_steps')
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self.termination_protected = instance_attrs.get('termination_protected')
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self.instance_group_ids = []
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def create_cluster(self):
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cluster = Cluster(
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id=self.id,
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name=self.name,
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availability_zone=self.availability_zone,
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ec2_key_name=self.ec2_key_name,
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subnet_id=self.subnet_id,
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ec2_iam_profile=self.role,
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log_uri=self.log_uri,
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)
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return cluster
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def terminate(self):
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self.state = 'TERMINATED'
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@ -129,12 +171,15 @@ class ElasticMapReduceBackend(BaseBackend):
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def __init__(self):
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self.job_flows = {}
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self.clusters = {}
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self.instance_groups = {}
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def run_job_flow(self, name, log_uri, job_flow_role, visible_to_all_users, steps, instance_attrs):
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job_id = random_job_id()
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job_flow = FakeJobFlow(job_id, name, log_uri, job_flow_role, visible_to_all_users, steps, instance_attrs)
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self.job_flows[job_id] = job_flow
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cluster = job_flow.create_cluster()
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self.clusters[cluster.id] = cluster
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return job_flow
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def add_job_flow_steps(self, job_flow_id, steps):
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@ -142,8 +187,12 @@ class ElasticMapReduceBackend(BaseBackend):
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job_flow.add_steps(steps)
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return job_flow
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def describe_job_flows(self):
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return self.job_flows.values()
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def describe_job_flows(self, job_flow_ids=None):
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jobs = self.job_flows.values()
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if job_flow_ids:
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return [job for job in jobs if job.id in job_flow_ids]
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else:
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return jobs
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def terminate_job_flows(self, job_ids):
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flows = [flow for flow in self.describe_job_flows() if flow.id in job_ids]
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@ -151,6 +200,12 @@ class ElasticMapReduceBackend(BaseBackend):
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flow.terminate()
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return flows
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def list_clusters(self):
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return self.clusters.values()
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def get_cluster(self, cluster_id):
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return self.clusters[cluster_id]
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def get_instance_groups(self, instance_group_ids):
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return [
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group for group_id, group
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@ -181,5 +236,13 @@ class ElasticMapReduceBackend(BaseBackend):
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job = self.job_flows[job_id]
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job.set_visibility(visible_to_all_users)
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def add_tags(self, cluster_id, tags):
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cluster = self.get_cluster(cluster_id)
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cluster.add_tags(tags)
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def remove_tags(self, cluster_id, tag_keys):
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cluster = self.get_cluster(cluster_id)
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cluster.remove_tags(tag_keys)
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emr_backend = ElasticMapReduceBackend()
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@ -2,6 +2,7 @@ from __future__ import unicode_literals
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from moto.core.responses import BaseResponse
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from .models import emr_backend
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from .utils import tags_from_query_string
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class ElasticMapReduceResponse(BaseResponse):
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@ -30,7 +31,8 @@ class ElasticMapReduceResponse(BaseResponse):
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return template.render(job_flow=job_flow)
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def describe_job_flows(self):
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job_flows = emr_backend.describe_job_flows()
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job_flow_ids = self._get_multi_param("JobFlowIds.member")
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job_flows = emr_backend.describe_job_flows(job_flow_ids)
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template = self.response_template(DESCRIBE_JOB_FLOWS_TEMPLATE)
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return template.render(job_flows=job_flows)
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@ -60,6 +62,31 @@ class ElasticMapReduceResponse(BaseResponse):
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template = self.response_template(SET_VISIBLE_TO_ALL_USERS_TEMPLATE)
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return template.render()
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def list_clusters(self):
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clusters = emr_backend.list_clusters()
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template = self.response_template(LIST_CLUSTERS_TEMPLATE)
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return template.render(clusters=clusters)
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def describe_cluster(self):
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cluster_id = self._get_param('ClusterId')
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cluster = emr_backend.get_cluster(cluster_id)
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template = self.response_template(DESCRIBE_CLUSTER_TEMPLATE)
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return template.render(cluster=cluster)
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def add_tags(self):
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cluster_id = self._get_param('ResourceId')
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tags = tags_from_query_string(self.querystring)
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emr_backend.add_tags(cluster_id, tags)
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template = self.response_template(ADD_TAGS_TEMPLATE)
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return template.render()
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def remove_tags(self):
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cluster_id = self._get_param('ResourceId')
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tag_keys = self._get_multi_param('TagKeys.member')
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emr_backend.remove_tags(cluster_id, tag_keys)
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template = self.response_template(REMOVE_TAGS_TEMPLATE)
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return template.render()
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RUN_JOB_FLOW_TEMPLATE = """<RunJobFlowResponse xmlns="http://elasticmapreduce.amazonaws.com/doc/2009-03-31">
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<RunJobFlowResult>
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@ -163,6 +190,85 @@ ADD_JOB_FLOW_STEPS_TEMPLATE = """<AddJobFlowStepsResponse xmlns="http://elasticm
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</ResponseMetadata>
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</AddJobFlowStepsResponse>"""
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LIST_CLUSTERS_TEMPLATE = """<ListClustersResponse xmlns="http://elasticmapreduce.amazonaws.com/doc/2009-03-31">
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<Clusters>
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{% for cluster in clusters %}
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<member>
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<Id>{{ cluster.id }}</Id>
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<Name>{{ cluster.name }}</Name>
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<NormalizedInstanceHours>{{ cluster.normalized_instance_hours }}</NormalizedInstanceHours>
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<Status>
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<State>{{ cluster.state }}</State>
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<StateChangeReason>
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<Code></Code>
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<Message></Message>
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</StateChangeReason>
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<Timeline></Timeline>
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</Status>
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</member>
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{% endfor %}
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</Clusters>
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<Marker></Marker>
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<ResponseMetadata>
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<RequestId>
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2690d7eb-ed86-11dd-9877-6fad448a8418
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</RequestId>
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</ResponseMetadata>
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</ListClustersResponse>"""
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DESCRIBE_CLUSTER_TEMPLATE = """<DescribeClusterResponse xmlns="http://elasticmapreduce.amazonaws.com/doc/2009-03-31">
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<DescribeClusterResult>
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<Cluster>
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<Id>{{ cluster.id }}</Id>
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<Tags>
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{% for tag_key, tag_value in cluster.tags.items() %}
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<member>
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<Key>{{ tag_key }}</Key>
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<Value>{{ tag_value }}</Value>
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</member>
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{% endfor %}
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</Tags>
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<Ec2InstanceAttributes>
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<Ec2AvailabilityZone>{{ cluster.availability_zone }}</Ec2AvailabilityZone>
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<Ec2SubnetId>{{ cluster.subnet_id }}</Ec2SubnetId>
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<Ec2KeyName>{{ cluster.ec2_key_name }}</Ec2KeyName>
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</Ec2InstanceAttributes>
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<RunningAmiVersion>{{ cluster.running_ami_version }}</RunningAmiVersion>
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<VisibleToAllUsers>{{ cluster.visible_to_all_users }}</VisibleToAllUsers>
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<Status>
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<StateChangeReason>
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<Message>Terminated by user request</Message>
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<Code>USER_REQUEST</Code>
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</StateChangeReason>
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<State>{{ cluster.state }}</State>
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<Timeline>
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<CreationDateTime>2014-01-24T01:21:21Z</CreationDateTime>
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<ReadyDateTime>2014-01-24T01:25:26Z</ReadyDateTime>
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<EndDateTime>2014-01-24T02:19:46Z</EndDateTime>
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</Timeline>
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</Status>
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<AutoTerminate>{{ cluster.auto_terminate }}</AutoTerminate>
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<Name>{{ cluster.name }}</Name>
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<RequestedAmiVersion>{{ cluster.requested_ami_version }}</RequestedAmiVersion>
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<Applications>
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{% for application in cluster.applications %}
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<member>
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<Name>{{ application.name }}</Name>
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<Version>{{ application.version }}</Version>
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</member>
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{% endfor %}
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</Applications>
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<TerminationProtected>{{ cluster.termination_protection }}</TerminationProtected>
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<MasterPublicDnsName>ec2-184-0-0-1.us-west-1.compute.amazonaws.com</MasterPublicDnsName>
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<NormalizedInstanceHours>{{ cluster.normalized_instance_hours }}</NormalizedInstanceHours>
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<ServiceRole>{{ cluster.service_role }}</ServiceRole>
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</Cluster>
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</DescribeClusterResult>
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<ResponseMetadata>
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<RequestId>aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee</RequestId>
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</ResponseMetadata>
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</DescribeClusterResponse>"""
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ADD_INSTANCE_GROUPS_TEMPLATE = """<AddInstanceGroupsResponse xmlns="http://elasticmapreduce.amazonaws.com/doc/2009-03-31">
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<InstanceGroupIds>{% for instance_group in instance_groups %}{{ instance_group.id }}{% if loop.index != loop.length %},{% endif %}{% endfor %}</InstanceGroupIds>
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</AddInstanceGroupsResponse>"""
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@ -182,3 +288,20 @@ SET_VISIBLE_TO_ALL_USERS_TEMPLATE = """<SetVisibleToAllUsersResponse xmlns="http
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</RequestId>
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</ResponseMetadata>
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</SetVisibleToAllUsersResponse>"""
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ADD_TAGS_TEMPLATE = """<AddTagsResponse xmlns="http://elasticmapreduce.amazonaws.com/doc/2009-03-31">
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<ResponseMetadata>
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<RequestId>
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2690d7eb-ed86-11dd-9877-6fad448a8419
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</RequestId>
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</ResponseMetadata>
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</AddTagsResponse>"""
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REMOVE_TAGS_TEMPLATE = """<RemoveTagsResponse xmlns="http://elasticmapreduce.amazonaws.com/doc/2009-03-31">
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<ResponseMetadata>
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<RequestId>
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2690d7eb-ed86-11dd-9877-6fad448a8419
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</RequestId>
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</ResponseMetadata>
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</RemoveTagsResponse>"""
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@ -14,3 +14,19 @@ def random_instance_group_id(size=13):
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chars = list(range(10)) + list(string.ascii_uppercase)
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job_tag = ''.join(six.text_type(random.choice(chars)) for x in range(size))
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return 'i-{0}'.format(job_tag)
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def tags_from_query_string(querystring_dict):
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prefix = 'Tags'
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suffix = 'Key'
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response_values = {}
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for key, value in querystring_dict.items():
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if key.startswith(prefix) and key.endswith(suffix):
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tag_index = key.replace(prefix + ".", "").replace("." + suffix, "")
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tag_key = querystring_dict.get("Tags.{0}.Key".format(tag_index))[0]
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tag_value_key = "Tags.{0}.Value".format(tag_index)
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if tag_value_key in querystring_dict:
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response_values[tag_key] = querystring_dict.get(tag_value_key)[0]
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else:
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response_values[tag_key] = None
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return response_values
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