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| 1 | +#!/usr/bin/env python3 |
| 2 | + |
| 3 | +from __future__ import annotations |
| 4 | + |
| 5 | +import os |
| 6 | +import subprocess |
| 7 | +import xml.etree.ElementTree as ET |
| 8 | +from pathlib import Path |
| 9 | +from typing import Optional |
| 10 | + |
| 11 | + |
| 12 | +DEFAULT_JMX_EXPORTER_DIR = Path( |
| 13 | + os.environ.get("JMX_EXPORTER_DIR", "/tmp/jmx-exporter-compat") |
| 14 | +) |
| 15 | +DEFAULT_JMX_EXPORTER_REPOSITORY = os.environ.get( |
| 16 | + "JMX_EXPORTER_REPOSITORY", "prometheus/jmx_exporter" |
| 17 | +) |
| 18 | +DEFAULT_JMX_EXPORTER_REMOTE = os.environ.get("JMX_EXPORTER_REMOTE", "origin") |
| 19 | +DEFAULT_JMX_EXPORTER_REF = ( |
| 20 | + os.environ.get("JMX_EXPORTER_REF") |
| 21 | + or os.environ.get("DEFAULT_JMX_EXPORTER_VERSION") |
| 22 | + or "main" |
| 23 | +) |
| 24 | +DEFAULT_MAVEN_MODULES = os.environ.get( |
| 25 | + "JMX_EXPORTER_MAVEN_MODULES", |
| 26 | + "jmx_prometheus_common,jmx_prometheus_javaagent,jmx_prometheus_standalone", |
| 27 | +) |
| 28 | +DEFAULT_PROM_VERSION = os.environ.get("PROM_VERSION") |
| 29 | + |
| 30 | + |
| 31 | +def run_cmd(cmd: list[str], cwd: Optional[Path] = None) -> None: |
| 32 | + subprocess.run(cmd, cwd=cwd, check=True) |
| 33 | + |
| 34 | + |
| 35 | +def jmx_exporter_repository_url(repository: str) -> str: |
| 36 | + return f"https://github.com/{repository}.git" |
| 37 | + |
| 38 | + |
| 39 | +def check_clean_worktree(jmx_exporter_dir: Path) -> None: |
| 40 | + result = subprocess.run( |
| 41 | + ["git", "status", "--short"], |
| 42 | + cwd=jmx_exporter_dir, |
| 43 | + check=True, |
| 44 | + capture_output=True, |
| 45 | + text=True, |
| 46 | + ) |
| 47 | + if result.stdout.strip(): |
| 48 | + raise RuntimeError( |
| 49 | + f"{jmx_exporter_dir} has uncommitted changes; use a clean clone or set " |
| 50 | + "JMX_EXPORTER_DIR" |
| 51 | + ) |
| 52 | + |
| 53 | + |
| 54 | +def get_prom_version(root_dir: Path = Path.cwd()) -> str: |
| 55 | + configured_version = DEFAULT_PROM_VERSION |
| 56 | + if configured_version: |
| 57 | + return configured_version |
| 58 | + pom = ET.parse(root_dir / "pom.xml") |
| 59 | + root = pom.getroot() |
| 60 | + version = root.findtext("./{*}version") |
| 61 | + if not version: |
| 62 | + version = root.findtext("./{*}parent/{*}version") |
| 63 | + if not version: |
| 64 | + raise RuntimeError("could not determine Prometheus version from pom.xml") |
| 65 | + return version |
| 66 | + |
| 67 | + |
| 68 | +def prepare_repo( |
| 69 | + jmx_exporter_dir: Path = DEFAULT_JMX_EXPORTER_DIR, |
| 70 | + repository: str = DEFAULT_JMX_EXPORTER_REPOSITORY, |
| 71 | + remote: str = DEFAULT_JMX_EXPORTER_REMOTE, |
| 72 | + ref: str = DEFAULT_JMX_EXPORTER_REF, |
| 73 | +) -> None: |
| 74 | + repository_url = jmx_exporter_repository_url(repository) |
| 75 | + if (jmx_exporter_dir / ".git").is_dir(): |
| 76 | + check_clean_worktree(jmx_exporter_dir) |
| 77 | + run_cmd( |
| 78 | + ["git", "remote", "set-url", remote, repository_url], |
| 79 | + cwd=jmx_exporter_dir, |
| 80 | + ) |
| 81 | + run_cmd(["git", "fetch", remote, ref], cwd=jmx_exporter_dir) |
| 82 | + else: |
| 83 | + run_cmd(["git", "clone", repository_url, str(jmx_exporter_dir)]) |
| 84 | + run_cmd(["git", "fetch", remote, ref], cwd=jmx_exporter_dir) |
| 85 | + run_cmd( |
| 86 | + ["git", "checkout", "-B", "jmx-exporter-compat", "FETCH_HEAD"], |
| 87 | + cwd=jmx_exporter_dir, |
| 88 | + ) |
| 89 | + |
| 90 | + |
| 91 | +def install_local_artifacts(root_dir: Path = Path.cwd()) -> None: |
| 92 | + run_cmd( |
| 93 | + [ |
| 94 | + "./mvnw", |
| 95 | + "install", |
| 96 | + # Skip test compilation too (not just execution): downstream needs only |
| 97 | + # our main artifacts, and our test sources target a newer release than |
| 98 | + # the compatibility JDK supports. |
| 99 | + "-Dmaven.test.skip=true", |
| 100 | + "-Dcoverage.skip=true", |
| 101 | + "-Dcheckstyle.skip=true", |
| 102 | + "-Dwarnings=-nowarn", |
| 103 | + ], |
| 104 | + cwd=root_dir, |
| 105 | + ) |
| 106 | + |
| 107 | + |
| 108 | +def run_maven_test( |
| 109 | + test_selector: Optional[str] = None, |
| 110 | + jmx_exporter_dir: Path = DEFAULT_JMX_EXPORTER_DIR, |
| 111 | + maven_modules: str = DEFAULT_MAVEN_MODULES, |
| 112 | + prom_version: Optional[str] = None, |
| 113 | +) -> None: |
| 114 | + if prom_version is None: |
| 115 | + prom_version = get_prom_version() |
| 116 | + cmd = [ |
| 117 | + "./mvnw", |
| 118 | + "-B", |
| 119 | + "-pl", |
| 120 | + maven_modules, |
| 121 | + "-am", |
| 122 | + f"-Dprometheus.metrics.version={prom_version}", |
| 123 | + "-Djacoco.skip=true", |
| 124 | + ] |
| 125 | + if test_selector: |
| 126 | + cmd.append(f"-Dtest={test_selector}") |
| 127 | + cmd.append("test") |
| 128 | + run_cmd(cmd, cwd=jmx_exporter_dir) |
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