server {
    listen       80;
    server_name  observe-front.cestong.com.cn ui.test.obs.js.sgcc.com.cn ui.obs.js.sgcc.com.cn;

    server_tokens off;

    error_page 404 /404.html;
    location = /404.html {
        root /usr/share/nginx/html;
        internal;
    }

    #charset koi8-r;
    #access_log  /var/log/nginx/host.access.log  main;

    #add_header 'Access-Control-Allow-Origin' '*';  
    #add_header 'Access-Control-Allow-Methods' 'GET, POST, PUT, OPTIONS';  
    #add_header 'Access-Control-Allow-Headers' '*';  
    #add_header 'Access-Control-Expose-Headers' 'Content-Length,Content-Range';

    location / {
        proxy_pass  http://obf.observe.svc.cluster.local:80;
        proxy_set_header Host $host;  
        proxy_set_header X-Real-IP $remote_addr;  
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    }

    location /col {
        add_header 'Access-Control-Allow-Origin' $allow_origin;
        add_header 'Access-Control-Allow-Credentials' 'true';
        add_header 'Access-Control-Allow-Methods' 'GET, PUT, POST, DELETE, PATCH, OPTIONS';
        add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Referer,Referrer-Policy';
        add_header 'Access-Control-Max-Age' '1728000';
        if ($request_method = 'OPTIONS') {
                return 204;
        }
        proxy_pass  http://otel-collector-opentelemetry-collector.observe.svc.cluster.local:4318;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header Host $host;
        rewrite ^/col/(.*)$ /$1 break;
    }

    location /ui {
        add_header 'Access-Control-Allow-Origin' '*';
        add_header 'Access-Control-Allow-Credentials' 'true';
        add_header Cache-Control private;
        add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
        add_header 'Access-Control-Allow-Headers' 'DNT,X-Mx-ReqToken,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Authorization';
        if ($request_method = 'OPTIONS') {
                return 204;
        }
        proxy_pass  http://obui.observe.svc.cluster.local:80;
        rewrite ^/ui/(.*)$ /$1 break;

        proxy_set_header Host $host;  
        proxy_set_header X-Real-IP $remote_addr;  
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

    }

    location /re {
        if ($request_method = 'OPTIONS') {
                return 204;
        }
        proxy_pass http://ob-server.observe.svc.cluster.local;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header Host $host;
        rewrite ^/re/(.*)$ /$1 break;
    }

    location /core {
        add_header 'Access-Control-Allow-Origin' '*' always;
        add_header 'Access-Control-Allow-Credentials' 'true' always;
        add_header 'Access-Control-Allow-Methods' 'GET, PUT, POST, DELETE, PATCH, OPTIONS' always;
        add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Referer,Referrer-Policy, Authorization' always;
        add_header 'Access-Control-Max-Age' '1728000' always;
        if ($request_method = 'OPTIONS') {
                return 204;
        }
        proxy_pass http://ob-core.observe.svc.cluster.local;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header Host $host;
        rewrite ^/core/(.*)$ /$1 break;
    }

    location /api/v1/ws {
        add_header 'Access-Control-Allow-Origin' '*';
        add_header 'Access-Control-Allow-Credentials' 'true';
        add_header Cache-Control private;
        add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
        add_header 'Access-Control-Allow-Headers' 'DNT,X-Mx-ReqToken,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Authorization';
        if ($request_method = 'OPTIONS') {
                return 204;
        }
        proxy_pass http://ob-server.observe.svc.cluster.local;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header Host $host;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection $connection_upgrade;
    }

    location /app {
        if ($request_method = 'OPTIONS') {
                return 204;
        }
        proxy_pass  http://deepflow-app.deepflow.svc.cluster.local:20418;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header Host $host;
        rewrite ^/app/(.*)$ /$1 break;
        
    }

    location /ui/api {
        if ($request_method = 'OPTIONS') {
                return 204;
        }
		return 202;
    }
}