v0.14.2 - New features and bug fixes

🎉 New Features

System Probes

• Added new system probe type for monitoring machine metrics including CPU, memory, and network stats (#1183)
• Extended system probe with disk usage statistics (#1201)

Configuration

• Support for relative imports in Jsonnet configs, making config management easier (#1230)
• Added ability to delay probe startup for better orchestration (#1215)

Browser Probes

• Improved global artifacts page with better navigation (#1227)
• Enhanced disk space management with early cleanup cycles (#1196)
• Comprehensive browser probe documentation with demo (#1202, #1206, #1221, #1223)
• Improved artifact handling for single-target browser probes (#1219, #1220)
• Updated to latest Node.js and Playwright versions (#1228)

Prometheus Integration

• Changed default behavior of include_timestamp option. Default behavior should work better for most use cases. (#1169)

OAuth & Authentication

• Customizable 'Authorization' header token type format for OAuth (#1187)

Other Enhancements

• Added support for custom response headers in HTTP server (#1195)
• Enabled gRPC port configuration via environment variable (#1212)
• Added RunProbe API to Cloudprober gRPC service for programmatic probe execution (#1186)
• Added config tester link to the configuration menu (#1172)

🐛 Bug Fixes

HTTP Probes

• Fixed max_redirects handling and off-by-one error in redirect logic (#1216, #1218)

Ping Probes

• Corrected IPv4 source address handling in ping probe sockaddr (#1189)

Metrics & Data Processing

• Fixed concurrency bug in payload parser aggregation that could cause data races (#1235)
• Fixed bug in timeseries processing (#1232)
• Ensured payload metrics use the same timestamp as main metrics for consistency (#1163)
• Added label sorting when processing JSON metrics for deterministic output (#1233)

Logs Noise

• Reduced log noise when collecting disk usage statistics (#1226)
• Rate-limited "write-channel-full" log messages in file surfacer to prevent log spam (#1191)

Scheduling

• Skip metric export when probe context is canceled, preventing invalid data (#1147)

External Probes

• Improved stderr handling in external server probes to continue reading on buffer overflow (#1144)

📚 Documentation Improvements

• Enhanced getting started guide (#1208)
• Improved "What is a Probe" documentation (#1210)
• Renamed "About" section to "Community" for clarity (#1176)
• Updated website overview page (#1175)
• Updated contributing guidelines (#1198)
• Added Kubernetes liveness and readiness probe examples (#1023)
• Added HTTP TLS probe example configuration (#1152)
• Created consolidated targets examples directory with filter demonstration (#1154, #1181)

🔧 Improvements & Refactoring

Logging

• Standardized probe failure logging across all probe types (#1164)
• Improved validator logging for better debugging (#1156)

Code Quality

• Enhanced web package test coverage (#1225)
• Refactored singlerun output conversion for better reusability (#1197)
• General web package refactoring (#1227)

Protobuf Management

• Made protobufs publicly available via facades (#1165, #1188)
• Added enum support for proto facade generation (#1167)

🔒 Security Updates

• Upgraded Playwright to latest version addressing security vulnerabilities (#1161)
• Upgraded multiple dependencies for security patches (#1182)
• Upgraded OpenTelemetry SDK from 1.22.0 to 1.40.0 (#1237)
• Updated js-yaml from 4.1.0 to 4.1.1 (#1179)

🏗️ Build & Infrastructure

• Upgraded protobuf packages and generators (#1159, #1185, #1194, #1203, #1214)
• Updated SonarQube scan action (#1157)
• Updated documentation build packages (#1234)

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New Contributors

• @FalcoSuessgott made their first contribution in #1023
• @majiayu000 made their first contribution in #1195
• @amdw made their first contribution in #1191
• @rweir made their first contribution in #1216

Thank you for your contributions! 🎉

• Manu Garg (@manugarg)

Full Changelog: v0.14.1...v0.14.2