grafana: proxy websockets

If you watch the web console of your browser in a grafana page, it
constantly tries to hit /api/live/ws which is currently giving an
error.

Following some combination of [1], [2], [3] and some trial-and-error,
this appears to let apache proxy through the requests.

[1] https://github.com/grafana/grafana/issues/36929
[2] https://github.com/grafana/grafana/issues/34537
[3] https://grafana.com/tutorials/run-grafana-behind-a-proxy/

Change-Id: I6c5ba71a1c0feab36b4df56f80271fa52f6354de
changes/80/832880/1
Ian Wienand 11 months ago
parent c43289b75a
commit 7745bf16f3

@ -8,6 +8,7 @@ services:
image: docker.io/grafana/grafana-oss:latest
network_mode: host
environment:
GF_SERVER_DOMAIN: 'grafana.opendev.org'
GF_SECURITY_ADMIN_PASSWORD__FILE: '/etc/grafana/secrets/admin_password'
GF_SECURITY_ADMIN_USER__FILE: '/etc/grafana/secrets/admin_user'
GF_SECURITY_SECRET_KEY__FILE: '/etc/grafana/secrets/secret_key'

@ -1,5 +1,7 @@
<VirtualHost *:80>
ServerName {{ inventory_hostname }}
ServerAlias grafana.opendev.org
ServerAdmin webmaster@openstack.org
ErrorLog ${APACHE_LOG_DIR}/grafana-error.log
@ -14,6 +16,8 @@
<VirtualHost *:443>
ServerName {{ inventory_hostname }}
ServerAlias grafana.opendev.org
ServerAdmin webmaster@openstack.org
AllowEncodedSlashes On
@ -44,6 +48,11 @@
RewriteEngine on
RewriteRule "^/api/snapshots(.*?)$" "-" [F]
# This is for the websocket endpoint /api/live/ws
RewriteCond %{HTTP:Upgrade} websocket [NC]
RewriteCond %{HTTP:Connection} upgrade [NC]
RewriteRule ^/?(.*) "ws://localhost:3000/$1" [P,L]
ProxyPass / http://localhost:3000/ retry=0
ProxyPassReverse / http://localhost:3000/

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