{"id":1476,"date":"2021-07-19T22:08:57","date_gmt":"2021-07-19T20:08:57","guid":{"rendered":"https:\/\/www.netexpertise.eu\/en\/?p=1476"},"modified":"2021-07-19T22:08:59","modified_gmt":"2021-07-19T20:08:59","slug":"how-to-access-proxysql-web-interface-on-kubernetes","status":"publish","type":"post","link":"http:\/\/www.netexpertise.eu\/en\/docker\/kubernetes\/how-to-access-proxysql-web-interface-on-kubernetes.html","title":{"rendered":"How to Access ProxySQL Web Interface on Kubernetes"},"content":{"rendered":"\n

I wrote in a previous post about a ProxySQL Helm chart<\/a> for Kubernetes, in which you can configure the pod from SQL queries. The chart includes an ingress to reach the stats server on port 6080. Here are a few steps to get this working.<\/p>\n\n\n\n


Ingress needs to be activated in the Helm Values file and ProxySQL web server also requires the admin-web_enabled admin variable to be set.<\/p>\n\n\n\n

ingress:\n  enabled: true\n  annotations:\n    kubernetes.io\/ingress.class: nginx\n  hosts:\n    - host: proxy.domain.lan\n      paths:\n        - \/\n\nsqlqueries: |\n  SET admin-web_enabled='true';\n  LOAD ADMIN VARIABLES TO RUNTIME;\n  -- other SQL queries<\/code><\/pre>\n\n\n\n

If you leave it like this, HTTP connections to the web interface will throw the following error:
Error: received handshake message out of context<\/em>
ProxySQL web interface accepts HTTPS connections<\/a> only – even though examples in the documentation use HTTP – and there’s no workaround it.<\/p>\n\n\n\n

Ingress has to connect to the backend using the HTTPS protocol. Nginx lets you specify the protocol used with the backend-protocol annotation<\/a>. You still have the choice to leave ingress access from outside in HTTP, but don’t on a public interface.<\/p>\n\n\n\n
nginx.ingress.kubernetes.io\/backend-protocol: \"HTTPS\"<\/code><\/pre>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"
I wrote in a previous post about a ProxySQL Helm chart for Kubernetes, in which you can configure the pod from SQL queries. The chart includes an ingress to reach the stats server on port 6080. Here are a few steps to get this working. Ingress needs to be activated in the Helm Values file […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"categories":[423,424,4],"tags":[447,443,385,446],"yoast_head":"\nNetexpertise - How to Access ProxySQL Web Interface on Kubernetes<\/title>\n<meta name=\"description\" content=\"Install ProxySQL Helm chart on Kubernetes, enable the web interface, and give access through Kubernetes Nginx ingress\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.netexpertise.eu\/en\/docker\/kubernetes\/how-to-access-proxysql-web-interface-on-kubernetes.html\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Netexpertise - 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