533 lines
17 KiB
Python
533 lines
17 KiB
Python
import boto3 # type: ignore
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import botocore # type: ignore
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import botocore.client # type: ignore
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import click
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import click_log # type: ignore
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import elasticsearch # type: ignore
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import elasticsearch.helpers # type: ignore
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import json
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import logging
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import os
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import os.path
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import pypandoc # type: ignore
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import re
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import requests
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import shlex
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import subprocess
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import sys
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import tqdm # type: ignore
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import xml.etree.ElementTree
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logger = logging.getLogger("import-channel")
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click_log.basic_config(logger)
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S3_BUCKET = "nix-releases"
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CURRENT_DIR = os.path.dirname(os.path.abspath(__file__))
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INDEX_SCHEMA_VERSION = os.environ.get("INDEX_SCHEMA_VERSION", 0)
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CHANNELS = {
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"unstable": "nixos/unstable/nixos-20.09pre",
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"19.09": "nixos/19.09/nixos-19.09.",
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"20.03": "nixos/20.03/nixos-20.03.",
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}
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ANALYSIS = {
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"normalizer": {
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"lowercase": {"type": "custom", "char_filter": [], "filter": ["lowercase"]}
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},
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"analyzer": {
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"lowercase": {
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"type": "custom",
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"tokenizer": "keyword",
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"filter": ["lowercase"],
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},
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},
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}
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MAPPING = {
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"properties": {
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"type": {"type": "keyword"},
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# Package fields
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"package_hydra_build": {
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"type": "nested",
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"properties": {
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"build_id": {"type": "keyword"},
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"build_status": {"type": "keyword"},
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"platform": {"type": "keyword"},
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"project": {"type": "keyword"},
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"jobset": {"type": "keyword"},
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"job": {"type": "keyword"},
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"path": {
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"type": "nested",
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"properties": {
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"output": {"type": "keyword"},
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"path": {"type": "keyword"},
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},
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},
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"drv_path": {"type": "keyword"},
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},
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},
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"package_attr_name": {"type": "keyword", "normalizer": "lowercase"},
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"package_attr_name_query": {"type": "keyword", "normalizer": "lowercase"},
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"package_attr_set": {"type": "keyword", "normalizer": "lowercase"},
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"package_pname": {"type": "keyword", "normalizer": "lowercase"},
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"package_pversion": {"type": "keyword"},
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"package_description": {"type": "text", "analyzer": "english"},
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"package_longDescription": {"type": "text", "analyzer": "english"},
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"package_license": {
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"type": "nested",
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"properties": {"fullName": {"type": "text"}, "url": {"type": "text"}},
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},
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"package_maintainers": {
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"type": "nested",
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"properties": {
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"name": {"type": "text"},
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"email": {"type": "text"},
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"github": {"type": "text"},
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},
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},
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"package_platforms": {"type": "keyword"},
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"package_position": {"type": "text"},
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"package_homepage": {"type": "keyword"},
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"package_system": {"type": "keyword"},
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# Options fields
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"option_name": {"type": "keyword", "normalizer": "lowercase"},
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"option_name_query": {"type": "keyword", "normalizer": "lowercase"},
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"option_description": {"type": "text", "analyzer": "english"},
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"option_type": {"type": "keyword"},
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"option_default": {"type": "text"},
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"option_example": {"type": "text"},
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"option_source": {"type": "keyword"},
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},
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}
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def parse_query(text):
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"""Tokenize package attr_name
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Example package:
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python37Packages.test_name-test
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= index: 0
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- python37Packages.test1_name-test2
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- python37Packages.test1_name
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- python37Packages.test1
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- python37
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- python
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= index: 1
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- test1_name-test2
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- test1_name
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- test1
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= index: 2
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- name-test2
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- name
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= index: 3
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- test2
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"""
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tokens = []
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regex = re.compile(
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".+?(?:(?<=[a-z])(?=[1-9A-Z])|(?<=[1-9A-Z])(?=[A-Z][a-z])|[._-]|$)"
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)
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parts = [m.group(0) for m in regex.finditer(text)]
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for index in range(len(parts)):
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prev_parts = ""
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for part in parts[index:]:
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tokens.append((prev_parts + part).rstrip("_.-"))
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prev_parts += part
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return tokens
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def get_last_evaluation(prefix):
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logger.debug(f"Retriving last evaluation for {prefix} prefix.")
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s3 = boto3.client(
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"s3", config=botocore.client.Config(signature_version=botocore.UNSIGNED)
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)
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s3_result = s3.list_objects(Bucket=S3_BUCKET, Prefix=prefix, Delimiter="/",)
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evaluations = []
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for item in s3_result.get("CommonPrefixes"):
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if not item:
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continue
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logger.debug(f"get_last_evaluation: evaluation in raw {item}")
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revisions_since_start, git_revision = (
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item["Prefix"][len(prefix) :].rstrip("/").split(".")
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)
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evaluation = {
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"revisions_since_start": int(revisions_since_start),
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"git_revision": git_revision,
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"prefix": item["Prefix"].rstrip("/"),
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}
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logger.debug(f"get_last_evaluation: evaluation {evaluation}")
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evaluations.append(evaluation)
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logger.debug(
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f"get_last_evaluation: {len(evaluations)} evaluations found for {prefix} prefix"
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)
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evaluations = sorted(evaluations, key=lambda i: i["revisions_since_start"])
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evaluation = evaluations[-1]
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result = s3.get_object(Bucket=S3_BUCKET, Key=f"{evaluation['prefix']}/src-url")
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evaluation["id"] = (
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result.get("Body").read().decode()[len("https://hydra.nixos.org/eval/") :]
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)
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logger.debug(f"get_last_evaluation: last evaluation is: {evaluation}")
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return evaluation
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def get_evaluation_builds(evaluation_id):
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logger.debug(
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f"get_evaluation_builds: Retriving list of builds for {evaluation_id} evaluation id"
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)
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filename = f"eval-{evaluation_id}.json"
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if not os.path.exists(filename):
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url = f"https://hydra.nixos.org/eval/{evaluation_id}/builds"
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logger.debug(f"get_evaluation_builds: Fetching builds from {url} url.")
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headers = {"Content-Type": "application/json"}
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r = requests.get(url, headers=headers, stream=True)
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with tqdm.tqdm.wrapattr(
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open(filename, "wb"),
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"write",
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miniters=1,
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total=int(r.headers.get("content-length", 0)),
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desc=filename,
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) as f:
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for chunk in r.iter_content(chunk_size=4096):
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f.write(chunk)
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with open(filename) as f:
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builds = json.loads(f.read())
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result = {}
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for build in builds:
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result.setdefault(build["nixname"], {})
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result[build["nixname"]][build["system"]] = build
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return result
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def get_maintainer(maintainer):
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maintainers = []
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if type(maintainer) == str:
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maintainers.append(dict(name=maintainer, email=None, github=None,))
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elif type(maintainer) == dict:
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maintainers.append(
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dict(
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name=maintainer.get("name"),
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email=maintainer.get("email"),
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github=maintainer.get("github"),
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)
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)
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elif type(maintainer) == list:
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for item in maintainer:
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maintainers += get_maintainer(item)
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else:
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logger.error(f"maintainer can not be recognized from: {maintainer}")
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sys.exit(1)
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return maintainers
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def remove_attr_set(name):
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# some package sets the prefix is included in pname
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sets = [
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# Packages
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"emscripten",
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"lua",
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"php",
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"pure",
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"python",
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"lisp",
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"perl",
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"ruby",
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# Plugins
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"elasticsearch",
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"graylog",
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"tmuxplugin",
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"vimplugin",
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]
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# TODO: is this correct
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if any([name.startswith(i) for i in sets]):
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name = "-".join(name.split("-")[1:])
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# node does things a bit different
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elif name.startswith("node_"):
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name = name[len("node_") :]
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return name
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def get_packages(evaluation, evaluation_builds):
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logger.debug(
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f"get_packages: Retriving list of packages for '{evaluation['git_revision']}' revision"
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)
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result = subprocess.run(
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shlex.split(
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f"nix-env -f '<nixpkgs>' -I nixpkgs=https://github.com/NixOS/nixpkgs-channels/archive/{evaluation['git_revision']}.tar.gz --arg config 'import {CURRENT_DIR}/packages-config.nix' -qa --json"
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),
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stdout=subprocess.PIPE,
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check=True,
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)
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packages = json.loads(result.stdout).items()
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packages = list(packages)
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def gen():
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for attr_name, data in packages:
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position = data["meta"].get("position")
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if position and position.startswith("/nix/store"):
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position = position[44:]
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licenses = data["meta"].get("license")
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if licenses:
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if type(licenses) == str:
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licenses = [dict(fullName=licenses)]
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elif type(licenses) == dict:
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licenses = [licenses]
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licenses = [
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type(license) == str
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and dict(fullName=license, url=None)
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or dict(fullName=license.get("fullName"), url=license.get("url"),)
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for license in licenses
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]
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else:
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licenses = []
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maintainers = get_maintainer(data["meta"].get("maintainers", []))
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platforms = [
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type(platform) == str and platform or None
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for platform in data["meta"].get("platforms", [])
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]
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attr_set = None
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if "." in attr_name:
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attr_set = attr_name.split(".")[0]
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if (
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not attr_set.endswith("Packages")
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and not attr_set.endswith("Plugins")
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and not attr_set.endswith("Extensions")
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):
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attr_set = None
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hydra = None
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if data["name"] in evaluation_builds:
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hydra = []
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for platform, build in evaluation_builds[data["name"]].items():
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hydra.append(
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{
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"build_id": build["id"],
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"build_status": build["buildstatus"],
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"platform": build["system"],
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"project": build["project"],
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"jobset": build["jobset"],
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"job": build["job"],
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"path": [
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{"output": output, "path": item["path"]}
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for output, item in build["buildoutputs"].items()
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],
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"drv_path": build["drvpath"],
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}
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)
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yield dict(
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type="package",
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package_hydra=hydra,
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package_attr_name=attr_name,
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package_attr_name_query=list(parse_query(attr_name)),
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package_attr_set=attr_set,
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package_pname=remove_attr_set(data["pname"]),
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package_pversion=data["version"],
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package_description=data["meta"].get("description"),
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package_longDescription=data["meta"].get("longDescription", ""),
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package_license=licenses,
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package_maintainers=maintainers,
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package_platforms=[i for i in platforms if i],
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package_position=position,
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package_homepage=data["meta"].get("homepage"),
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package_system=data["system"],
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)
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logger.debug(f"get_packages: Found {len(packages)} packages")
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return len(packages), gen
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def get_options(evaluation):
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result = subprocess.run(
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shlex.split(
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f"nix-build <nixpkgs/nixos/release.nix> --no-out-link -A options -I nixpkgs=https://github.com/NixOS/nixpkgs-channels/archive/{evaluation['git_revision']}.tar.gz"
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),
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stdout=subprocess.PIPE,
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check=True,
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)
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options = []
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options_file = result.stdout.strip().decode()
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options_file = f"{options_file}/share/doc/nixos/options.json"
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if os.path.exists(options_file):
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with open(options_file) as f:
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options = json.load(f).items()
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options = list(options)
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def gen():
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for name, option in options:
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default = option.get("default")
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if default is not None:
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default = json.dumps(default)
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example = option.get("example")
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if example is not None:
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if type(example) == dict and example.get("_type") == "literalExample":
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example = json.dumps(example["text"])
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else:
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example = json.dumps(example)
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description = option.get("description")
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if description is not None:
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xml_description = (
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f'<xml xmlns:xlink="http://www.w3.org/1999/xlink">'
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f"<para>{description}</para>"
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f"</xml>"
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)
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# we first check if there are some xml elements before using pypandoc
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# since pypandoc calls are quite slow
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root = xml.etree.ElementTree.fromstring(xml_description)
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if len(list(root.find("para"))) > 0:
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description = pypandoc.convert_text(
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xml_description, "html", format="docbook",
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)
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yield dict(
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type="option",
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option_name=name,
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option_name_query=parse_query(name),
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option_description=description,
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option_type=option.get("type"),
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option_default=default,
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option_example=example,
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option_source=option.get("declarations", [None])[0],
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)
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return len(options), gen
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def ensure_index(es, index, mapping, force=False):
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if es.indices.exists(index):
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logger.debug(f"ensure_index: index '{index}' already exists")
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if not force:
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return False
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logger.debug(f"ensure_index: Deleting index '{index}'")
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es.indices.delete(index)
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es.indices.create(
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index=index,
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body={
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"settings": {"number_of_shards": 1, "analysis": ANALYSIS},
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"mappings": mapping,
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},
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)
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logger.debug(f"ensure_index: index '{index}' was created")
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return True
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def create_index_name(channel, evaluation_packages, evaluation_options):
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evaluation_name = "-".join(
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[
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evaluation_packages["id"],
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str(evaluation_packages["revisions_since_start"]),
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evaluation_packages["git_revision"],
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evaluation_options["id"],
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str(evaluation_options["revisions_since_start"]),
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evaluation_options["git_revision"],
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]
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)
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return (
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f"latest-{INDEX_SCHEMA_VERSION}-{channel}",
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f"evaluation-{INDEX_SCHEMA_VERSION}-{channel}-{evaluation_name}",
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)
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def update_alias(es, name, index):
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if es.indices.exists_alias(name=name):
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indexes = set(es.indices.get_alias(name=name).keys())
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# indexes to remove from alias
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actions = [
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{"remove": {"index": item, "alias": name}}
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for item in indexes.difference(set([index]))
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]
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# add index if does not exists in alias
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if index not in indexes:
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actions.append({"add": {"index": index, "alias": name}})
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if actions:
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es.indices.update_aliases({"actions": actions})
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else:
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es.indices.put_alias(index=index, name=name)
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indexes = ", ".join(es.indices.get_alias(name=name).keys())
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logger.debug(f"'{name}' alias now points to '{indexes}' index")
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def write(unit, es, index_name, number_of_items, item_generator):
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if number_of_items:
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click.echo(f"Indexing {unit}...")
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progress = tqdm.tqdm(unit=unit, total=number_of_items)
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successes = 0
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for ok, action in elasticsearch.helpers.streaming_bulk(
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client=es, index=index_name, actions=item_generator()
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):
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progress.update(1)
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successes += ok
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click.echo(f"Indexed {successes}/{number_of_items} {unit}")
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@click.command()
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@click.option("-u", "--es-url", help="Elasticsearch connection url.")
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@click.option("-c", "--channel", type=click.Choice(CHANNELS.keys()), help="Channel.")
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@click.option("-f", "--force", is_flag=True, help="Force channel recreation.")
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@click.option("-v", "--verbose", count=True)
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def run(es_url, channel, force, verbose):
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logging_level = "CRITICAL"
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if verbose == 1:
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logging_level = "WARNING"
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elif verbose >= 2:
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logging_level = "DEBUG"
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logger.setLevel(getattr(logging, logging_level))
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logger.debug(f"Verbosity is {verbose}")
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logger.debug(f"Logging set to {logging_level}")
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evaluation_packages = get_last_evaluation(CHANNELS[channel])
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evaluation_options = get_last_evaluation(CHANNELS[channel])
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evaluation_packages_builds = get_evaluation_builds(evaluation_packages["id"])
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es = elasticsearch.Elasticsearch([es_url])
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alias_name, index_name = create_index_name(
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channel, evaluation_packages, evaluation_options
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)
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index_created = ensure_index(es, index_name, MAPPING, force)
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if index_created:
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write(
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"packages",
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es,
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index_name,
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*get_packages(evaluation_packages, evaluation_packages_builds),
|
|
)
|
|
write("options", es, index_name, *get_options(evaluation_options))
|
|
|
|
update_alias(es, alias_name, index_name)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
run()
|