|
| 1 | +from datetime import timedelta |
| 2 | +from pathlib import Path |
| 3 | +from tempfile import TemporaryDirectory |
| 4 | +from typing import Final |
| 5 | +from uuid import UUID |
| 6 | + |
| 7 | +from locust import HttpUser, task |
| 8 | +from pydantic import Field |
| 9 | +from pydantic_settings import BaseSettings |
| 10 | +from requests.auth import HTTPBasicAuth |
| 11 | +from tenacity import ( |
| 12 | + Retrying, |
| 13 | + retry_if_exception_type, |
| 14 | + stop_after_delay, |
| 15 | + wait_exponential, |
| 16 | +) |
| 17 | +from urllib3 import PoolManager, Retry |
| 18 | + |
| 19 | +_MAX_WAIT_SECONDS: Final[int] = 60 |
| 20 | + |
| 21 | + |
| 22 | +# Perform the following setup in order to run this load test: |
| 23 | +# 1. Copy .env-devel to .env in this directory and add your osparc keys to .env. |
| 24 | +# 2. Construct a study **template** according to study_template.png. passer.py is the file next to this file. |
| 25 | +# 3. Setup the locust settings in the .env file (see https://docs.locust.io/en/stable/configuration.html#all-available-configuration-options) |
| 26 | +# run 'make test target=metamodeling/workflow.py' in your terminal and watch the magic happen 🤩 |
| 27 | + |
| 28 | + |
| 29 | +class UserSettings(BaseSettings): |
| 30 | + osparc_api_key: str = Field(default=...) |
| 31 | + osparc_api_secret: str = Field(default=...) |
| 32 | + |
| 33 | + template_uuid: UUID = Field(default=...) |
| 34 | + |
| 35 | + |
| 36 | +class MetaModelingUser(HttpUser): |
| 37 | + def __init__(self, *args, **kwargs): |
| 38 | + self._user_settings = UserSettings() |
| 39 | + self._auth = HTTPBasicAuth( |
| 40 | + username=self._user_settings.osparc_api_key, |
| 41 | + password=self._user_settings.osparc_api_secret, |
| 42 | + ) |
| 43 | + retry_strategy = Retry( |
| 44 | + total=4, |
| 45 | + backoff_factor=4.0, |
| 46 | + status_forcelist={429, 503, 504}, |
| 47 | + allowed_methods={ |
| 48 | + "DELETE", |
| 49 | + "GET", |
| 50 | + "HEAD", |
| 51 | + "OPTIONS", |
| 52 | + "PUT", |
| 53 | + "TRACE", |
| 54 | + "POST", |
| 55 | + "PATCH", |
| 56 | + "CONNECT", |
| 57 | + }, |
| 58 | + respect_retry_after_header=True, |
| 59 | + raise_on_status=True, |
| 60 | + ) |
| 61 | + self.pool_manager = PoolManager(retries=retry_strategy) |
| 62 | + |
| 63 | + self._input_json_uuid = None |
| 64 | + self._job_uuid = None |
| 65 | + |
| 66 | + super().__init__(*args, **kwargs) |
| 67 | + |
| 68 | + def on_start(self) -> None: |
| 69 | + self.client.get("/v0/me", auth=self._auth) # fail fast |
| 70 | + |
| 71 | + def on_stop(self) -> None: |
| 72 | + if self._input_json_uuid is not None: |
| 73 | + response = self.client.delete( |
| 74 | + f"/v0/files/{self._input_json_uuid}", name="/v0/files/[file_id]" |
| 75 | + ) |
| 76 | + response.raise_for_status() |
| 77 | + if self._job_uuid is not None: |
| 78 | + response = self.client.delete( |
| 79 | + f"/v0/studies/{self._user_settings.template_uuid}/jobs/{self._job_uuid}", |
| 80 | + name="/v0/studies/[study_id]/jobs/[job_id]", |
| 81 | + ) |
| 82 | + response.raise_for_status() |
| 83 | + |
| 84 | + @task |
| 85 | + def create_and_run_job(self): |
| 86 | + # upload file |
| 87 | + with TemporaryDirectory() as tmp_dir: |
| 88 | + file = Path(tmp_dir) / "input.json" |
| 89 | + file.write_text( |
| 90 | + """ |
| 91 | + { |
| 92 | + "f1": 3 |
| 93 | + } |
| 94 | + """ |
| 95 | + ) |
| 96 | + self._input_json_uuid = self.upload_file(file) |
| 97 | + |
| 98 | + # create job |
| 99 | + response = self.client.post( |
| 100 | + f"/v0/studies/{self._user_settings.template_uuid}/jobs", |
| 101 | + json={ |
| 102 | + "values": {"InputFile1": f"{self._input_json_uuid}"}, |
| 103 | + }, |
| 104 | + auth=self._auth, |
| 105 | + name="/v0/studies/[study_id]/jobs", |
| 106 | + ) |
| 107 | + response.raise_for_status() |
| 108 | + job_uuid = response.json().get("id") |
| 109 | + assert job_uuid is not None |
| 110 | + self._job_uuid = UUID(job_uuid) |
| 111 | + |
| 112 | + # start job |
| 113 | + response = self.client.post( |
| 114 | + f"/v0/studies/{self._user_settings.template_uuid}/jobs/{self._job_uuid}:start", |
| 115 | + auth=self._auth, |
| 116 | + name="/v0/studies/[study_id]/jobs/[job_id]:start", |
| 117 | + ) |
| 118 | + response.raise_for_status() |
| 119 | + state = response.json().get("state") |
| 120 | + for attempt in Retrying( |
| 121 | + stop=stop_after_delay(timedelta(seconds=_MAX_WAIT_SECONDS)), |
| 122 | + wait=wait_exponential(), |
| 123 | + retry=retry_if_exception_type(RuntimeError), |
| 124 | + ): |
| 125 | + with attempt: |
| 126 | + response = self.client.post( |
| 127 | + f"/v0/studies/{self._user_settings.template_uuid}/jobs/{self._job_uuid}:inspect", |
| 128 | + auth=self._auth, |
| 129 | + name="/v0/studies/[study_id]/jobs/[job_id]:inspect", |
| 130 | + ) |
| 131 | + response.raise_for_status() |
| 132 | + state = response.json().get("state") |
| 133 | + if not state in {"SUCCESS", "FAILED"}: |
| 134 | + raise RuntimeError( |
| 135 | + f"Computation not finished after attempt {attempt.retry_state.attempt_number}" |
| 136 | + ) |
| 137 | + |
| 138 | + assert state == "SUCCESS" |
| 139 | + |
| 140 | + response = self.client.post( |
| 141 | + f"/v0/studies/{self._user_settings.template_uuid}/jobs/{self._job_uuid}/outputs", |
| 142 | + auth=self._auth, |
| 143 | + name="/v0/studies/[study_id]/jobs/[job_id]/outputs", |
| 144 | + ) |
| 145 | + response.raise_for_status() |
| 146 | + results = response.json() |
| 147 | + assert results is not None |
| 148 | + output_file = results.get("OutputFile1") |
| 149 | + assert output_file is not None |
| 150 | + output_file_uuid = output_file.get("id") |
| 151 | + assert output_file_uuid is not None |
| 152 | + |
| 153 | + def upload_file(self, file: Path) -> UUID: |
| 154 | + assert file.is_file() |
| 155 | + with open(f"{file.resolve()}", "rb") as f: |
| 156 | + files = {"file": f} |
| 157 | + response = self.client.put( |
| 158 | + "/v0/files/content", files=files, auth=self._auth |
| 159 | + ) |
| 160 | + response.raise_for_status() |
| 161 | + file_uuid = response.json().get("id") |
| 162 | + assert file_uuid is not None |
| 163 | + return UUID(file_uuid) |
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