alibaba/kt-connect

{{range $port := .Ports}}
{{range $version := $.Versions}}
upstream {{$.Service}}-kt-mesh-{{$version}}-{{index $port 0}} {
  server {{$.Service}}-kt-mesh-{{$version}}:{{index $port 0}};
}
{{end}}
upstream {{$.Service}}-kt-stuntman-{{index $port 0}} {
  server {{$.Service}}-kt-stuntman:{{index $port 0}};
}
{{end}}

{{range $port := .Ports}}
server {
    listen  {{index $port 1}};
    listen  [::]:{{index $port 1}};
    server_name  {{$.Service}};
    underscores_in_headers  on;
    proxy_intercept_errors  off;
    error_page 500  /kt_nginx_error_500;
    error_page 502  /kt_nginx_error_502;
    error_page 503  /kt_nginx_error_503;
    error_page 504  /kt_nginx_error_504;

    location = /kt_nginx_error_500 {
        return 500 "500 - KtConnect mesh internal error";
    }
    location = /kt_nginx_error_502 {
        return 502 "502 - KtConnect mesh connection error";
    }
    location = /kt_nginx_error_503 {
        return 503 "503 - KtConnect mesh temporary error";
    }
    location = /kt_nginx_error_504 {
        return 504 "504 - KtConnect mesh connection timeout";
    }

    location / {
        proxy_redirect off;
        proxy_http_version 1.1;

    {{range $version := $.Versions}}
        if ($http_{{$.Header}} = "{{$version}}") {
            proxy_pass  http://{{$.Service}}-kt-mesh-{{$version}}-{{index $port 0}};
        }
    {{end}}

        proxy_pass  http://{{$.Service}}-kt-stuntman-{{index $port 0}};
    }
}
{{end}}