feat(outputs.mqtt): Add websocket URI support#18958
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The MQTT output plugin now supports WebSocket connections by preserving ws:// and wss:// URL schemes instead of overriding them to tls://. The underlying paho.mqtt.golang library already supports WebSocket transport - this change simply passes the scheme through correctly. This enables publishing to MQTT brokers that only expose WebSocket endpoints (e.g. wss://broker.example.com:443).
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Thanks so much for the pull request! |
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Download PR build artifacts for linux_amd64.tar.gz, darwin_arm64.tar.gz, and windows_amd64.zip. 📦 Click here to get additional PR build artifactsArtifact URLs |
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@aitorhh please restore the PR description template, especially the AI section, and sign the CLA as we cannot review your PR otherwise. |
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Summary
Adds WebSocket (
ws://) and WebSocket Secure (wss://) transport support to the MQTT output plugin.Motivation
Many MQTT brokers (e.g., cloud-hosted or behind ingress controllers) only expose WebSocket endpoints. The MQTT input plugin (
mqtt_consumer) already supportsws://— this brings parity to the output.Changes
plugins/common/mqtt/mqtt_v3.go— preservews/wssschemes instead of overriding totlsplugins/common/mqtt/mqtt_v5.go— same fix for the v5 clientplugins/outputs/mqtt/sample.conf— documentws://andwss://in the scheme listNotes
The underlying
paho.mqtt.golanglibrary already supports WebSocket transport — this change simply passes the scheme through correctly.Example config