kubernetes-ingress: Nginx Ingress Controller gives 404 not found

Thanks for the information. I shall check and come back soon as possible. Thank you!

Hi Shaun, Yes it was resolved and thanks a lot for your kind support 😀. Appreciate your help on this

Hi Shaun,

Requested output as follows.

$ kubectl exec -it -n nginx-ingress nginx-ingress-l7z86 -- nginx -T
nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
nginx: configuration file /etc/nginx/nginx.conf test is successful
# configuration file /etc/nginx/nginx.conf:

worker_processes  auto;
daemon off;

error_log  stderr notice;
pid        /var/lib/nginx/nginx.pid;

events {
    worker_connections  1024;
}

http {
    include       /etc/nginx/mime.types;
    default_type  application/octet-stream;

    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';

    map $upstream_trailer_grpc_status $grpc_status {
        default $upstream_trailer_grpc_status;
        '' $sent_http_grpc_status;
    }


    access_log  /dev/stdout  main;




    sendfile        on;
    #tcp_nopush     on;

    keepalive_timeout 65s;
    keepalive_requests 100;

    #gzip  on;

    server_names_hash_max_size 1024;
    server_names_hash_bucket_size 256;

    variables_hash_bucket_size 256;
    variables_hash_max_size 1024;

    map $request_uri $request_uri_no_args {
        "~^(?P<path>[^?]*)(\?.*)?$" $path;
    }

    map $http_upgrade $connection_upgrade {
        default upgrade;
        ''      close;
    }
    map $http_upgrade $vs_connection_header {
        default upgrade;
        ''      $default_connection_header;
    }








    server {
        # required to support the Websocket protocol in VirtualServer/VirtualServerRoutes
        set $default_connection_header "";
        set $resource_type "";
        set $resource_name "";
        set $resource_namespace "";
        set $service "";

        listen 80 default_server;
        listen [::]:80 default_server;


        listen 443 ssl default_server;
        listen [::]:443 ssl default_server;



        ssl_certificate /etc/nginx/secrets/default;
        ssl_certificate_key /etc/nginx/secrets/default;






        server_name _;
        server_tokens "on";






        location / {
            return 404;
        }
    }
    # stub_status
    server {
        listen 8080;
        listen [::]:8080;


        allow 127.0.0.1;
        allow ::1;

        deny all;

        location /stub_status {
            stub_status;
        }
    }

    include /etc/nginx/config-version.conf;
    include /etc/nginx/conf.d/*.conf;

    server {
        listen unix:/var/lib/nginx/nginx-502-server.sock;
        access_log off;



        return 502;
    }

    server {
        listen unix:/var/lib/nginx/nginx-418-server.sock;
        access_log off;



        return 418;
    }
}

stream {
    log_format  stream-main  '$remote_addr [$time_local] '
                      '$protocol $status $bytes_sent $bytes_received '
                      '$session_time "$ssl_preread_server_name"';

    access_log  /dev/stdout  stream-main;



    map_hash_max_size 2048;
    map_hash_bucket_size 256;



    include /etc/nginx/stream-conf.d/*.conf;
}

# configuration file /etc/nginx/mime.types:

types {
    text/html                                        html htm shtml;
    text/css                                         css;
    text/xml                                         xml;
    image/gif                                        gif;
    image/jpeg                                       jpeg jpg;
    application/javascript                           js;
    application/atom+xml                             atom;
    application/rss+xml                              rss;

    text/mathml                                      mml;
    text/plain                                       txt;
    text/vnd.sun.j2me.app-descriptor                 jad;
    text/vnd.wap.wml                                 wml;
    text/x-component                                 htc;

    image/avif                                       avif;
    image/png                                        png;
    image/svg+xml                                    svg svgz;
    image/tiff                                       tif tiff;
    image/vnd.wap.wbmp                               wbmp;
    image/webp                                       webp;
    image/x-icon                                     ico;
    image/x-jng                                      jng;
    image/x-ms-bmp                                   bmp;

    font/woff                                        woff;
    font/woff2                                       woff2;

    application/java-archive                         jar war ear;
    application/json                                 json;
    application/mac-binhex40                         hqx;
    application/msword                               doc;
    application/pdf                                  pdf;
    application/postscript                           ps eps ai;
    application/rtf                                  rtf;
    application/vnd.apple.mpegurl                    m3u8;
    application/vnd.google-earth.kml+xml             kml;
    application/vnd.google-earth.kmz                 kmz;
    application/vnd.ms-excel                         xls;
    application/vnd.ms-fontobject                    eot;
    application/vnd.ms-powerpoint                    ppt;
    application/vnd.oasis.opendocument.graphics      odg;
    application/vnd.oasis.opendocument.presentation  odp;
    application/vnd.oasis.opendocument.spreadsheet   ods;
    application/vnd.oasis.opendocument.text          odt;
    application/vnd.openxmlformats-officedocument.presentationml.presentation
                                                     pptx;
    application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
                                                     xlsx;
    application/vnd.openxmlformats-officedocument.wordprocessingml.document
                                                     docx;
    application/vnd.wap.wmlc                         wmlc;
    application/wasm                                 wasm;
    application/x-7z-compressed                      7z;
    application/x-cocoa                              cco;
    application/x-java-archive-diff                  jardiff;
    application/x-java-jnlp-file                     jnlp;
    application/x-makeself                           run;
    application/x-perl                               pl pm;
    application/x-pilot                              prc pdb;
    application/x-rar-compressed                     rar;
    application/x-redhat-package-manager             rpm;
    application/x-sea                                sea;
    application/x-shockwave-flash                    swf;
    application/x-stuffit                            sit;
    application/x-tcl                                tcl tk;
    application/x-x509-ca-cert                       der pem crt;
    application/x-xpinstall                          xpi;
    application/xhtml+xml                            xhtml;
    application/xspf+xml                             xspf;
    application/zip                                  zip;

    application/octet-stream                         bin exe dll;
    application/octet-stream                         deb;
    application/octet-stream                         dmg;
    application/octet-stream                         iso img;
    application/octet-stream                         msi msp msm;

    audio/midi                                       mid midi kar;
    audio/mpeg                                       mp3;
    audio/ogg                                        ogg;
    audio/x-m4a                                      m4a;
    audio/x-realaudio                                ra;

    video/3gpp                                       3gpp 3gp;
    video/mp2t                                       ts;
    video/mp4                                        mp4;
    video/mpeg                                       mpeg mpg;
    video/quicktime                                  mov;
    video/webm                                       webm;
    video/x-flv                                      flv;
    video/x-m4v                                      m4v;
    video/x-mng                                      mng;
    video/x-ms-asf                                   asx asf;
    video/x-ms-wmv                                   wmv;
    video/x-msvideo                                  avi;
}

# configuration file /etc/nginx/config-version.conf:
server {
    listen unix:/var/lib/nginx/nginx-config-version.sock;
        access_log off;



    location /configVersion {
        return 200 2;
    }
}
map $http_x_expected_config_version $config_version_mismatch {
        "2" "";
        default "mismatch";
}
# configuration file /etc/nginx/conf.d/jenkins-jenkins-ingress.conf:
# configuration for jenkins/jenkins-ingress

upstream jenkins-jenkins-ingress-jenkins.company.com-jenkins-svc-80 {
        zone jenkins-jenkins-ingress-jenkins.company.com-jenkins-svc-80 256k;
        random two least_conn;

        server 10.244.2.2:8080 max_fails=1 fail_timeout=10s max_conns=0;

}


server {


        listen 80;
        listen [::]:80;








        server_tokens on;

        server_name jenkins.company.com;

        set $resource_type "ingress";
        set $resource_name "jenkins-ingress";
        set $resource_namespace "jenkins";







        location /jenkins {
                set $service "jenkins-svc";


                proxy_http_version 1.1;


                proxy_connect_timeout 60s;
                proxy_read_timeout 60s;
                proxy_send_timeout 60s;
                client_max_body_size 1m;
                proxy_set_header Host $host;
                proxy_set_header X-Real-IP $remote_addr;
                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
                proxy_set_header X-Forwarded-Host $host;
                proxy_set_header X-Forwarded-Port $server_port;
                proxy_set_header X-Forwarded-Proto $scheme;
                proxy_buffering on;

                proxy_pass http://jenkins-jenkins-ingress-jenkins.company.com-jenkins-svc-80;


        }


}

Thanks Shaun for assisting me. My deployment.yml file as follows.

apiVersion: apps/v1
kind: Deployment
metadata:
  name: jenkins
  namespace: jenkins
  labels:
    app: jenkins
spec:
  replicas: 1
  selector:
    matchLabels:
      app: jenkins
  template:
    metadata:
      labels:
        app: jenkins
    spec:
      securityContext:
        fsGroup: 0 
        runAsUser: 0
      serviceAccountName: admin
      containers:
      - name: jenkins
        image: jenkins/jenkins:2.375.2-lts
        imagePullPolicy: IfNotPresent
        securityContext:
          privileged: true
          runAsUser: 0
        ports:
        - containerPort: 8080
        - containerPort: 50000
        env:
        - name: JENKINS_OPTS
          value: "--prefix=/jenkins --httpListenAddress=0.0.0.0"   
        - name: PROVISIONER_NAME
          value: app-nfs  
        - name: NFS_SERVER
          value: 165.13.45.56
        - name: NFS_PATH
          value: /app-nfs/kdata/jenkins
        volumeMounts:
          - name: jenkins-data
            mountPath: /var/jenkins_home         
      volumes:
        - name: jenkins-data
          persistentVolumeClaim:
            claimName: jenkins-pvc-nfs

Thanks for all the details Mohan. I’m looking into this now and will get back to you asap.