Install
cd ${OE_AGENT_HOME}/checks_enabled
ln -s ../checks_available/check_envoy.py ./
Configure
Start Envoy with following parameters
admin:
access_log_path: "/dev/null"
address:
socket_address:
address: 127.0.0.1
port_value: 8001
Edit conf/loadbalancer.ini and set Envoy URL to prometheus stats.
[Envoy]
metrics : http://127.0.0.1:8001/stats/prometheus
Restart OddEye agent and Envoy.
Provides
| Name | Type | Description |
|---|---|---|
| downstream_cx_total | counter | Total connections |
| downstream_cx_ssl_total | counter | Total TLS connections |
| downstream_cx_http1_total | counter | Total HTTP/1.1 connections |
| downstream_cx_websocket_total | counter | Total WebSocket connections |
| downstream_cx_http2_total | counter | Total HTTP/2 connections |
| downstream_cx_destroy | counter | Total connections destroyed |
| downstream_cx_destroy_remote | counter | Total connections destroyed due to remote close |
| downstream_cx_destroy_local | counter | Total connections destroyed due to local close |
| downstream_cx_destroy_active_rq | counter | Total connections destroyed with 1+ active request |
| downstream_cx_destroy_local_active_rq | counter | Total connections destroyed locally with 1+ active request |
| downstream_cx_destroy_remote_active_rq | counter | Total connections destroyed remotely with 1+ active request |
| downstream_cx_active | gauge | Total active connections |
| downstream_cx_ssl_active | gauge | Total active TLS connections |
| downstream_cx_http1_active | gauge | Total active HTTP/1.1 connections |
| downstream_cx_websocket_active | gauge | Total active WebSocket connections |
| downstream_cx_http2_active | gauge | Total active HTTP/2 connections |
| downstream_cx_protocol_error | counter | Total protocol errors |
| downstream_cx_length_ms | histogram | Connection length milliseconds |
| downstream_cx_rx_bytes_total | counter | Total bytes received |
| downstream_cx_rx_bytes_buffered | gauge | Total received bytes currently buffered |
| downstream_cx_tx_bytes_total | counter | Total bytes sent |
| downstream_cx_tx_bytes_buffered | gauge | Total sent bytes currently buffered |
| downstream_cx_drain_close | counter | Total connections closed due to draining |
| downstream_cx_idle_timeout | counter | Total connections closed due to idle timeout |
| downstream_flow_control_paused_reading_total | counter | Total number of times reads were disabled due to flow control |
| downstream_flow_control_resumed_reading_total | counter | Total number of times reads were enabled on the connection due to flow control |
| downstream_rq_total | counter | Total requests |
| downstream_rq_http1_total | counter | Total HTTP/1.1 requests |
| downstream_rq_http2_total | counter | Total HTTP/2 requests |
| downstream_rq_active | gauge | Total active requests |
| downstream_rq_response_before_rq_complete | counter | Total responses sent before the request was complete |
| downstream_rq_rx_reset | counter | Total request resets received |
| downstream_rq_tx_reset | counter | Total request resets sent |
| downstream_rq_non_relative_path | counter | Total requests with a non-relative HTTP path |
| downstream_rq_too_large | counter | Total requests resulting in a 413 due to buffering an overly large body |
| downstream_rq_1xx | counter | Total 1xx responses |
| downstream_rq_2xx | counter | Total 2xx responses |
| downstream_rq_3xx | counter | Total 3xx responses |
| downstream_rq_4xx | counter | Total 4xx responses |
| downstream_rq_5xx | counter | Total 5xx responses |
| downstream_rq_ws_on_non_ws_route | counter | Total WebSocket upgrade requests rejected by non WebSocket routes |
| downstream_rq_time | histogram | Request time milliseconds |
| rs_too_large | counter | Total response errors due to buffering an overly large body |