Created
February 16, 2016 00:20
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slb-dash-issue
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| $ cat addons/kube-dashboard.yaml | |
| apiVersion: v1 | |
| kind: ReplicationController | |
| metadata: | |
| labels: | |
| app: kubernetes-dashboard | |
| version: canary | |
| name: kubernetes-dashboard | |
| # namespace: kube-system | |
| spec: | |
| replicas: 1 | |
| selector: | |
| app: kubernetes-dashboard | |
| version: canary | |
| template: | |
| metadata: | |
| labels: | |
| app: kubernetes-dashboard | |
| version: canary | |
| spec: | |
| containers: | |
| - name: kubernetes-dashboard | |
| image: gcr.io/google_containers/kubernetes-dashboard:canary | |
| imagePullPolicy: Always | |
| ports: | |
| - containerPort: 9090 | |
| protocol: TCP | |
| --- | |
| apiVersion: v1 | |
| kind: Service | |
| metadata: | |
| labels: | |
| app: kubernetes-dashboard | |
| name: kubernetes-dashboard | |
| # namespace: kube-system | |
| spec: | |
| ports: | |
| - port: 80 | |
| targetPort: 9090 | |
| protocol: TCP | |
| selector: | |
| app: kubernetes-dashboard | |
| $ cat manifests/slb-rc.yaml | |
| apiVersion: v1 | |
| kind: ReplicationController | |
| metadata: | |
| name: service-loadbalancer | |
| labels: | |
| app: service-loadbalancer | |
| version: v1 | |
| spec: | |
| replicas: 1 | |
| selector: | |
| app: service-loadbalancer | |
| version: v1 | |
| template: | |
| metadata: | |
| labels: | |
| app: service-loadbalancer | |
| version: v1 | |
| spec: | |
| nodeSelector: | |
| role: loadbalancer | |
| containers: | |
| - image: gcr.io/google_containers/servicelb:0.2 | |
| imagePullPolicy: Always | |
| livenessProbe: | |
| httpGet: | |
| path: /healthz | |
| port: 8081 | |
| scheme: HTTP | |
| initialDelaySeconds: 30 | |
| timeoutSeconds: 5 | |
| name: haproxy | |
| ports: | |
| # All http services | |
| - containerPort: 80 | |
| hostPort: 80 | |
| protocol: TCP | |
| # mysql | |
| - containerPort: 3306 | |
| hostPort: 3306 | |
| protocol: TCP | |
| # haproxy stats | |
| - containerPort: 1936 | |
| hostPort: 1936 | |
| protocol: TCP | |
| resources: {} | |
| args: | |
| - --tcp-services=mysql:3306 | |
| core@localhost /etc/kubernetes $ sudo vim addons/kube-dashboard.yaml | |
| core@localhost /etc/kubernetes $ sudo kubectl create -f addons/kube-dashboard.yaml | |
| replicationcontroller "kubernetes-dashboard" created | |
| service "kubernetes-dashboard" created | |
| core@localhost /etc/kubernetes $ kubectl get svc | |
| NAME CLUSTER_IP EXTERNAL_IP PORT(S) SELECTOR AGE | |
| kubernetes 10.254.0.1 <none> 443/TCP <none> 1h | |
| kubernetes-dashboard 10.254.101.137 <none> 80/TCP app=kubernetes-dashboard 3s | |
| core@localhost /etc/kubernetes $ kubectl get pod | |
| NAME READY STATUS RESTARTS AGE | |
| kubernetes-dashboard-dgdhn 1/1 Running 0 5s | |
| core@localhost /etc/kubernetes $ kubectl describe pod kubernetes-dashboard-dgdhn | grep IP | |
| IP: 1.1.67.3 | |
| core@localhost /etc/kubernetes $ sudo kubectl create -f manifests/slb-rc.yaml | |
| replicationcontroller "service-loadbalancer" created | |
| core@localhost /etc/kubernetes $ kubectl get pod | |
| NAME READY STATUS RESTARTS AGE | |
| kubernetes-dashboard-dgdhn 1/1 Running 0 2m | |
| service-loadbalancer-kd073 1/1 Running 0 19s | |
| core@localhost /etc/kubernetes $ kubectl logs service-loadbalancer-kd073 | |
| I0216 00:12:48.997257 1 service_loadbalancer.go:550] Creating new loadbalancer: {Name:haproxy ReloadCmd:./haproxy_reload Config:/etc/haproxy/haproxy.cfg Template:template.cfg Algorithm: startSyslog:false lbDefAlgorithm:roundrobin} | |
| E0216 00:12:48.997337 1 service_loadbalancer.go:241] Get : unsupported protocol scheme "" | |
| I0216 00:12:49.020555 1 service_loadbalancer.go:468] Sync triggered by service default/kubernetes | |
| I0216 00:12:49.120781 1 service_loadbalancer.go:470] Requeuing default/kubernetes because of error: deferring sync till endpoints controller has synced | |
| I0216 00:12:49.120825 1 service_loadbalancer.go:468] Sync triggered by service default/kubernetes-dashboard | |
| I0216 00:12:49.120857 1 service_loadbalancer.go:430] Found service: {Name:kubernetes:443 Ep:[10.30.118.164:443] FrontendPort:80 Host: Algorithm:roundrobin SessionAffinity:true CookieStickySession:false} | |
| I0216 00:12:49.120881 1 service_loadbalancer.go:430] Found service: {Name:kubernetes-dashboard Ep:[1.1.67.3:9090] FrontendPort:80 Host: Algorithm:roundrobin SessionAffinity:true CookieStickySession:false} | |
| I0216 00:12:49.129735 1 service_loadbalancer.go:294] haproxy -- cat: can't open '/var/run/haproxy.pid': No such file or directory | |
| I0216 00:12:49.129764 1 service_loadbalancer.go:468] Sync triggered by service default/kubernetes | |
| I0216 00:12:49.129797 1 service_loadbalancer.go:430] Found service: {Name:kubernetes-dashboard Ep:[1.1.67.3:9090] FrontendPort:80 Host: Algorithm:roundrobin SessionAffinity:true CookieStickySession:false} | |
| I0216 00:12:49.129822 1 service_loadbalancer.go:430] Found service: {Name:kubernetes:443 Ep:[10.30.118.164:443] FrontendPort:80 Host: Algorithm:roundrobin SessionAffinity:true CookieStickySession:false} | |
| I0216 00:12:49.138585 1 service_loadbalancer.go:294] haproxy -- | |
| core@localhost /etc/kubernetes $ kubectl logs kubernetes-dashboard-dgdhn | |
| 2016/02/16 00:10:14 Starting HTTP server on port 9090 | |
| 2016/02/16 00:10:14 Creating API client for | |
| 2016/02/16 00:10:14 Creating in-cluster Heapster client | |
| core@localhost /etc/kubernetes $ kubectl exec service-loadbalancer-kd073 -i -t -- bash -il | |
| service-loadbalancer-kd073:/# cat /etc/haproxy/haproxy.cfg | |
| # This file uses golang text templates (http://golang.org/pkg/text/template/) to | |
| # dynamically configure the haproxy loadbalancer. | |
| global | |
| daemon | |
| stats socket /tmp/haproxy | |
| server-state-file global | |
| server-state-base /var/state/haproxy/ | |
| defaults | |
| log global | |
| load-server-state-from-file global | |
| # Enable session redistribution in case of connection failure. | |
| option redispatch | |
| # Disable logging of null connections (haproxy connections like checks). | |
| # This avoids excessive logs from haproxy internals. | |
| option dontlognull | |
| # Enable HTTP connection closing on the server side. | |
| option http-server-close | |
| # Enable insertion of the X-Forwarded-For header to requests sent to | |
| # servers and keep client IP address. | |
| option forwardfor | |
| # Enable HTTP keep-alive from client to server. | |
| option http-keep-alive | |
| # Clients should send their full http request in 5s. | |
| timeout http-request 5s | |
| # Maximum time to wait for a connection attempt to a server to succeed. | |
| timeout connect 5s | |
| # Maximum inactivity time on the client side. | |
| # Applies when the client is expected to acknowledge or send data. | |
| timeout client 50s | |
| # Inactivity timeout on the client side for half-closed connections. | |
| # Applies when the client is expected to acknowledge or send data | |
| # while one direction is already shut down. | |
| timeout client-fin 50s | |
| # Maximum inactivity time on the server side. | |
| timeout server 50s | |
| # timeout to use with WebSocket and CONNECT | |
| timeout tunnel 1h | |
| # Maximum allowed time to wait for a new HTTP request to appear. | |
| timeout http-keep-alive 60s | |
| # default traffic mode is http | |
| # mode is overwritten in case of tcp services | |
| mode http | |
| # default default_backend. This allows custom default_backend in frontends | |
| default_backend default-backend | |
| backend default-backend | |
| server localhost 127.0.0.1:8081 | |
| # haproxy stats, required hostport and firewall rules for :1936 | |
| listen stats | |
| bind *:1936 | |
| stats enable | |
| stats hide-version | |
| stats realm Haproxy\ Statistics | |
| stats uri / | |
| frontend httpfrontend | |
| # Frontend bound on all network interfaces on port 80 | |
| bind *:80 | |
| # inherit default mode, needs changing for tcp | |
| # forward everything meant for /foo to the foo backend | |
| # default_backend foo | |
| # in case of host header routing it will add a new acl and use an or | |
| # condition to determine the backend to be used | |
| # the style of if/else blocks is meant to preserves the format of the output config file | |
| acl url_acl_kubernetes-dashboard path_beg /kubernetes-dashboard | |
| use_backend kubernetes-dashboard if url_acl_kubernetes-dashboard | |
| acl url_acl_kubernetes:443 path_beg /kubernetes:443 | |
| use_backend kubernetes:443 if url_acl_kubernetes:443 | |
| backend kubernetes-dashboard | |
| option httplog | |
| errorfile 400 /etc/haproxy/errors/400.http | |
| errorfile 403 /etc/haproxy/errors/403.http | |
| errorfile 408 /etc/haproxy/errors/408.http | |
| errorfile 500 /etc/haproxy/errors/500.http | |
| errorfile 502 /etc/haproxy/errors/502.http | |
| errorfile 503 /etc/haproxy/errors/503.http | |
| errorfile 504 /etc/haproxy/errors/504.http | |
| balance roundrobin | |
| # TODO: Make the path used to access a service customizable. | |
| reqrep ^([^\ :]*)\ /kubernetes-dashboard[/]?(.*) \1\ /\2 | |
| # create a stickiness table using client IP address as key | |
| # http://cbonte.github.io/haproxy-dconv/configuration-1.5.html#stick-table | |
| stick-table type ip size 100k expire 30m | |
| stick on src | |
| server 1.1.67.3:9090 1.1.67.3:9090 | |
| backend kubernetes:443 | |
| option httplog | |
| errorfile 400 /etc/haproxy/errors/400.http | |
| errorfile 403 /etc/haproxy/errors/403.http | |
| errorfile 408 /etc/haproxy/errors/408.http | |
| errorfile 500 /etc/haproxy/errors/500.http | |
| errorfile 502 /etc/haproxy/errors/502.http | |
| errorfile 503 /etc/haproxy/errors/503.http | |
| errorfile 504 /etc/haproxy/errors/504.http | |
| balance roundrobin | |
| # TODO: Make the path used to access a service customizable. | |
| reqrep ^([^\ :]*)\ /kubernetes:443[/]?(.*) \1\ /\2 | |
| # create a stickiness table using client IP address as key | |
| # http://cbonte.github.io/haproxy-dconv/configuration-1.5.html#stick-table | |
| stick-table type ip size 100k expire 30m | |
| stick on src | |
| server 10.30.118.164:443 10.30.118.164:443 | |
| # From a node in the cluster I Can curl the svc/pod ip's | |
| $ curl 10.254.101.137 | |
| <!doctype html> <html ng-app="kubernetesDashboard"> <head> <meta charset="utf-8"> <title>Kubernetes Dashboard</title> <link rel="icon" type="image/png" href="assets/images/kubernetes-logo.png"> <meta name="viewport" content="width=device-width"> <link rel="stylesheet" href="static/vendor-43edff5f29.css"> <link rel="stylesheet" href="static/app-6cfc4c1a60.css"> </head> <body> <!--[if lt IE 10]><p class="browsehappy">You are using an <strong>outdated</strong> browser. | |
| Please <a href="http://browsehappy.com/">upgrade your browser</a> to improve your | |
| experience.</p><![endif]--> <chrome> <div ui-view> </div> </chrome> <script src="static/vendor-066b1a2b94.js"></script> <script src="static/app-eb79f88e2b.js"></script> </body> </html>core@localhost ~ $ | |
| core@localhost ~ $ curl 1.1.67.3:9090 | |
| <!doctype html> <html ng-app="kubernetesDashboard"> <head> <meta charset="utf-8"> <title>Kubernetes Dashboard</title> <link rel="icon" type="image/png" href="assets/images/kubernetes-logo.png"> <meta name="viewport" content="width=device-width"> <link rel="stylesheet" href="static/vendor-43edff5f29.css"> <link rel="stylesheet" href="static/app-6cfc4c1a60.css"> </head> <body> <!--[if lt IE 10]><p class="browsehappy">You are using an <strong>outdated</strong> browser. | |
| Please <a href="http://browsehappy.com/">upgrade your browser</a> to improve your | |
| experience.</p><![endif]--> <chrome> <div ui-view> </div> </chrome> <script src="static/vendor-066b1a2b94.js"></script> <script src="static/app-eb79f88e2b.js"></script> </body> </html> | |
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