wehub-resource-sync
325 lines
12 KiB
Python
325 lines
12 KiB
Python
import logging
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import random
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import threading
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import time
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from collections import defaultdict
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from typing import Any, Dict, List, Optional
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from ray.autoscaler._private.aliyun.config import (
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PENDING,
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RUNNING,
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STOPPED,
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STOPPING,
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bootstrap_aliyun,
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)
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from ray.autoscaler._private.aliyun.utils import AcsClient
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from ray.autoscaler._private.cli_logger import cli_logger
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from ray.autoscaler._private.constants import BOTO_MAX_RETRIES
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from ray.autoscaler._private.log_timer import LogTimer
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from ray.autoscaler.node_provider import NodeProvider
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from ray.autoscaler.tags import (
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TAG_RAY_CLUSTER_NAME,
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TAG_RAY_LAUNCH_CONFIG,
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TAG_RAY_NODE_KIND,
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TAG_RAY_NODE_NAME,
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TAG_RAY_NODE_STATUS,
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TAG_RAY_USER_NODE_TYPE,
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)
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logger = logging.getLogger(__name__)
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TAG_BATCH_DELAY = 1
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STOPPING_NODE_DELAY = 1
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class AliyunNodeProvider(NodeProvider):
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def __init__(self, provider_config, cluster_name):
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NodeProvider.__init__(self, provider_config, cluster_name)
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self.cache_stopped_nodes = provider_config.get("cache_stopped_nodes", True)
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self.acs = AcsClient(
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access_key=provider_config["access_key"],
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access_key_secret=provider_config["access_key_secret"],
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region_id=provider_config["region"],
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max_retries=BOTO_MAX_RETRIES,
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)
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# Try availability zones round-robin, starting from random offset
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self.subnet_idx = random.randint(0, 100)
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# Tags that we believe to actually be on the node.
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self.tag_cache = {}
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# Tags that we will soon upload.
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self.tag_cache_pending = defaultdict(dict)
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# Number of threads waiting for a batched tag update.
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self.batch_thread_count = 0
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self.batch_update_done = threading.Event()
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self.batch_update_done.set()
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self.ready_for_new_batch = threading.Event()
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self.ready_for_new_batch.set()
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self.tag_cache_lock = threading.Lock()
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self.count_lock = threading.Lock()
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# Cache of node objects from the last nodes() call. This avoids
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# excessive DescribeInstances requests.
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self.cached_nodes = {}
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def non_terminated_nodes(self, tag_filters: Dict[str, str]) -> List[str]:
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tags = [
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{
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"Key": TAG_RAY_CLUSTER_NAME,
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"Value": self.cluster_name,
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},
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]
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for k, v in tag_filters.items():
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tags.append(
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{
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"Key": k,
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"Value": v,
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}
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)
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instances = self.acs.describe_instances(tags=tags)
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non_terminated_instance = []
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for instance in instances:
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if instance.get("Status") == RUNNING or instance.get("Status") == PENDING:
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non_terminated_instance.append(instance.get("InstanceId"))
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self.cached_nodes[instance.get("InstanceId")] = instance
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return non_terminated_instance
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def is_running(self, node_id: str) -> bool:
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instances = self.acs.describe_instances(instance_ids=[node_id])
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if instances is not None:
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instance = instances[0]
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return instance.get("Status") == "Running"
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cli_logger.error("Invalid node id: %s", node_id)
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return False
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def is_terminated(self, node_id: str) -> bool:
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instances = self.acs.describe_instances(instance_ids=[node_id])
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if instances is not None:
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assert len(instances) == 1
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instance = instances[0]
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return instance.get("Status") == "Stopped"
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cli_logger.error("Invalid node id: %s", node_id)
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return False
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def node_tags(self, node_id: str) -> Dict[str, str]:
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instances = self.acs.describe_instances(instance_ids=[node_id])
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if instances is not None:
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assert len(instances) == 1
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instance = instances[0]
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if instance.get("Tags") is not None:
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node_tags = dict()
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for tag in instance.get("Tags").get("Tag"):
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node_tags[tag.get("TagKey")] = tag.get("TagValue")
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return node_tags
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return dict()
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def external_ip(self, node_id: str) -> str:
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while True:
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instances = self.acs.describe_instances(instance_ids=[node_id])
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if instances is not None:
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assert len(instances)
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instance = instances[0]
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if (
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instance.get("PublicIpAddress") is not None
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and instance.get("PublicIpAddress").get("IpAddress") is not None
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):
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if len(instance.get("PublicIpAddress").get("IpAddress")) > 0:
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return instance.get("PublicIpAddress").get("IpAddress")[0]
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cli_logger.error("PublicIpAddress attribute is not exist. %s" % instance)
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time.sleep(STOPPING_NODE_DELAY)
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def internal_ip(self, node_id: str) -> str:
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while True:
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instances = self.acs.describe_instances(instance_ids=[node_id])
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if instances is not None:
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assert len(instances) == 1
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instance = instances[0]
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if (
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instance.get("VpcAttributes") is not None
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and instance.get("VpcAttributes").get("PrivateIpAddress")
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is not None
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and len(
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instance.get("VpcAttributes")
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.get("PrivateIpAddress")
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.get("IpAddress")
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)
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> 0
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):
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return (
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instance.get("VpcAttributes")
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.get("PrivateIpAddress")
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.get("IpAddress")[0]
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)
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cli_logger.error("InnerIpAddress attribute is not exist. %s" % instance)
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time.sleep(STOPPING_NODE_DELAY)
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def set_node_tags(self, node_id: str, tags: Dict[str, str]) -> None:
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is_batching_thread = False
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with self.tag_cache_lock:
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if not self.tag_cache_pending:
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is_batching_thread = True
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# Wait for threads in the last batch to exit
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self.ready_for_new_batch.wait()
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self.ready_for_new_batch.clear()
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self.batch_update_done.clear()
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self.tag_cache_pending[node_id].update(tags)
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if is_batching_thread:
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time.sleep(TAG_BATCH_DELAY)
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with self.tag_cache_lock:
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self._update_node_tags()
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self.batch_update_done.set()
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with self.count_lock:
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self.batch_thread_count += 1
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self.batch_update_done.wait()
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with self.count_lock:
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self.batch_thread_count -= 1
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if self.batch_thread_count == 0:
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self.ready_for_new_batch.set()
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def _update_node_tags(self):
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batch_updates = defaultdict(list)
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for node_id, tags in self.tag_cache_pending.items():
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for x in tags.items():
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batch_updates[x].append(node_id)
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self.tag_cache[node_id] = tags
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self.tag_cache_pending = defaultdict(dict)
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self._create_tags(batch_updates)
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def _create_tags(self, batch_updates):
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for (k, v), node_ids in batch_updates.items():
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m = "Set tag {}={} on {}".format(k, v, node_ids)
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with LogTimer("AliyunNodeProvider: {}".format(m)):
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if k == TAG_RAY_NODE_NAME:
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k = "Name"
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self.acs.tag_resource(node_ids, [{"Key": k, "Value": v}])
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def create_node(
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self, node_config: Dict[str, Any], tags: Dict[str, str], count: int
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) -> Optional[Dict[str, Any]]:
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filter_tags = [
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{
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"Key": TAG_RAY_CLUSTER_NAME,
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"Value": self.cluster_name,
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},
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{"Key": TAG_RAY_NODE_KIND, "Value": tags[TAG_RAY_NODE_KIND]},
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{"Key": TAG_RAY_USER_NODE_TYPE, "Value": tags[TAG_RAY_USER_NODE_TYPE]},
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{"Key": TAG_RAY_LAUNCH_CONFIG, "Value": tags[TAG_RAY_LAUNCH_CONFIG]},
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{"Key": TAG_RAY_NODE_NAME, "Value": tags[TAG_RAY_NODE_NAME]},
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]
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reused_nodes_dict = {}
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if self.cache_stopped_nodes:
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reuse_nodes_candidate = self.acs.describe_instances(tags=filter_tags)
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if reuse_nodes_candidate:
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with cli_logger.group("Stopping instances to reuse"):
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reuse_node_ids = []
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for node in reuse_nodes_candidate:
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node_id = node.get("InstanceId")
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status = node.get("Status")
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if status != STOPPING and status != STOPPED:
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continue
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if status == STOPPING:
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# wait for node stopped
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while (
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self.acs.describe_instances(instance_ids=[node_id])[
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0
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].get("Status")
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== STOPPING
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):
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logging.info("wait for %s stop" % node_id)
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time.sleep(STOPPING_NODE_DELAY)
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# logger.info("reuse %s" % node_id)
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reuse_node_ids.append(node_id)
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reused_nodes_dict[node.get("InstanceId")] = node
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self.acs.start_instance(node_id)
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self.tag_cache[node_id] = node.get("Tags")
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self.set_node_tags(node_id, tags)
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if len(reuse_node_ids) == count:
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break
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count -= len(reuse_node_ids)
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created_nodes_dict = {}
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if count > 0:
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filter_tags.append(
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{"Key": TAG_RAY_NODE_STATUS, "Value": tags[TAG_RAY_NODE_STATUS]}
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)
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instance_id_sets = self.acs.run_instances(
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instance_type=node_config["InstanceType"],
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image_id=node_config["ImageId"],
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tags=filter_tags,
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amount=count,
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vswitch_id=self.provider_config["v_switch_id"],
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security_group_id=self.provider_config["security_group_id"],
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key_pair_name=self.provider_config["key_name"],
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)
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instances = self.acs.describe_instances(instance_ids=instance_id_sets)
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if instances is not None:
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for instance in instances:
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created_nodes_dict[instance.get("InstanceId")] = instance
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all_created_nodes = reused_nodes_dict
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all_created_nodes.update(created_nodes_dict)
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return all_created_nodes
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def terminate_node(self, node_id: str) -> None:
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logger.info("terminate node: %s" % node_id)
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if self.cache_stopped_nodes:
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logger.info(
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"Stopping instance {} (to terminate instead, "
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"set `cache_stopped_nodes: False` "
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"under `provider` in the cluster configuration)"
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).format(node_id)
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self.acs.stop_instance(node_id)
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else:
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self.acs.delete_instance(node_id)
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def terminate_nodes(self, node_ids: List[str]) -> None:
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if not node_ids:
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return
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if self.cache_stopped_nodes:
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logger.info(
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"Stopping instances {} (to terminate instead, "
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"set `cache_stopped_nodes: False` "
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"under `provider` in the cluster configuration)".format(node_ids)
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)
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self.acs.stop_instances(node_ids)
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else:
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self.acs.delete_instances(node_ids)
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def _get_node(self, node_id):
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"""Refresh and get info for this node, updating the cache."""
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self.non_terminated_nodes({}) # Side effect: updates cache
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if node_id in self.cached_nodes:
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return self.cached_nodes[node_id]
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# Node not in {pending, running} -- retry with a point query. This
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# usually means the node was recently preempted or terminated.
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matches = self.acs.describe_instances(instance_ids=[node_id])
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assert len(matches) == 1, "Invalid instance id {}".format(node_id)
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return matches[0]
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def _get_cached_node(self, node_id):
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"""Return node info from cache if possible, otherwise fetches it."""
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if node_id in self.cached_nodes:
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return self.cached_nodes[node_id]
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return self._get_node(node_id)
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@staticmethod
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def bootstrap_config(cluster_config):
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return bootstrap_aliyun(cluster_config)
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