How to have a header routing logic with nginx ingress-controller?
You got bitten by a YAML-ism:
The indentation of your 2nd if block isn't the same as the indentation of the others, and thus YAML thinks you are starting a new key under annotations:
You have
metadata: name: api-mutli-back annotations: nginx.ingress.kubernetes.io/configuration-snippet: | set $dataflag 0; if ( $http_content_type ~ "multipart\/form-data.*" ){ set $dataflag 1; } if ( $dataflag = 1 ){ set $service_name "backend-data" }but you should have:
metadata: name: api-mutli-back annotations: nginx.ingress.kubernetes.io/configuration-snippet: | set $dataflag 0; if ( $http_content_type ~ "multipart\/form-data.*" ){ set $dataflag 1; } if ( $dataflag = 1 ){ set $service_name "backend-data" }