mirror of
https://github.com/wahyd4/kt-connect.git
synced 2026-08-09 05:16:02 +10:00
Tomcat 9
This commit is contained in:
duanyingluo
@@ -24,47 +24,57 @@ You can download and install the ktctl from [Downloads And Install](https://rdc-
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```
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$ kubectl run tomcat --image=tomcat:9 --expose --port=8080
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kubectl run --generator=deployment/apps.v1 is DEPRECATED and will be removed in a future version. Use kubectl run --generator=run-pod/v1 or kubectl create instead.
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service/tomcat created
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deployment.apps/tomcat created
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service "tomcat" created
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deployment.apps "tomcat" created
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# Deployment info
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$ kubectl get deployments -o wide --selector run=tomcat
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NAME DESIRED CURRENT UP-TO-DATE AVAILABLE AGE CONTAINERS IMAGES SELECTOR
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tomcat 1 1 1 1 12m tomcat tomcat:9 run=tomcat
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NAME DESIRED CURRENT UP-TO-DATE AVAILABLE AGE CONTAINERS IMAGES SELECTOR
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tomcat 1 1 1 1 47s tomcat tomcat:9 run=tomcat
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# Pods info
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$ kubectl get pods -o wide --selector run=tomcat
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NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE
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tomcat-cc7648444-r9tw4 1/1 Running 0 2m 172.16.0.147 cn-beijing.i-2ze11lz4lijf1pmecnwp <none>
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NAME READY STATUS RESTARTS AGE IP NODE
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tomcat-5b75798b56-228r4 1/1 Running 0 1m 172.23.2.231 cn-beijing.192.168.0.8
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# Service info
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$ kubectl get svc tomcat
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NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
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tomcat ClusterIP 172.19.143.139 <none> 8080/TCP 4m
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NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
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tomcat ClusterIP 172.21.14.57 <none> 8080/TCP 1m
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```
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### Connect: Access Kubernetes resource from local
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```
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$ sudo ktctl connect
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2019/06/19 11:11:07 Deploying proxy deployment kt-connect-daemon in namespace default
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2019/06/19 11:11:07 Pod status is Pending
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2019/06/19 11:11:09 Pod status is Running
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2019/06/19 11:11:09 Success deploy proxy deployment kt-connect-daemon in namespace default
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2019/06/19 11:11:18 KT proxy start successful
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11:48PM INF Connect Start At 27758
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11:48PM INF Client address 192.168.3.120
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11:48PM INF Deploying shadow deployment kt-connect-daemon-uhojp in namespace default
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11:48PM INF Shadow Pod status is Pending
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11:48PM INF Shadow Pod status is Running
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11:48PM INF Shadow is ready.
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11:48PM INF Success deploy proxy deployment kt-connect-daemon-uhojp in namespace default
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Forwarding from 127.0.0.1:2222 -> 22
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Forwarding from [::1]:2222 -> 22
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Handling connection for 2222
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Warning: Permanently added '[127.0.0.1]:2222' (ECDSA) to the list of known hosts.
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client: Connected.
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```
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Access PodIP:
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```
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curl http://172.16.0.147:8080
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curl http://172.23.2.231:8080
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<!doctype html><html lang="en"><head><title>HTTP Status 404 – Not Found</title><style type="text/css">body {font-family:Tahoma,Arial,sans-serif;} h1, h2, h3, b {color:white;background-color:#525D76;} h1 {font-size:22px;} h2 {font-size:16px;} h3 {font-size:14px;} p {font-size:12px;} a {color:black;} .line {height:1px;background-color:#525D76;border:none;}</style></head><body><h1>HTTP Status 404 – Not Found</h1><hr class="line" /><p><b>Type</b> Status Report</p><p><b>Message</b> Not found</p><p><b>Description</b> The origin server did not find a current representation for the target resource or is not willing to disclose that one exists.</p><hr class="line" /><h3>Apache Tomcat/9.0.31</h3></body></html>
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```
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Access ClusterIP:
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```
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$ curl http://172.19.143.139:8080
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$ curl http://172.21.14.57:8080
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<!doctype html><html lang="en"><head><title>HTTP Status 404 – Not Found</title><style type="text/css">body {font-family:Tahoma,Arial,sans-serif;} h1, h2, h3, b {color:white;background-color:#525D76;} h1 {font-size:22px;} h2 {font-size:16px;} h3 {font-size:14px;} p {font-size:12px;} a {color:black;} .line {height:1px;background-color:#525D76;border:none;}</style></head><body><h1>HTTP Status 404 – Not Found</h1><hr class="line" /><p><b>Type</b> Status Report</p><p><b>Message</b> Not found</p><p><b>Description</b> The origin server did not find a current representation for the target resource or is not willing to disclose that one exists.</p><hr class="line" /><h3>Apache Tomcat/9.0.31</h3></body></html>
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```
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Access Server internal DNS address
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+26
-16
@@ -6,24 +6,23 @@ In this chapter, we will deployment a sample app(tomcat:9) in Kubernetes cluster
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``` shell
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$ kubectl run tomcat --image=tomcat:9 --expose --port=8080
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kubectl run --generator=deployment/apps.v1 is DEPRECATED and will be removed in a future version. Use kubectl run --generator=run-pod/v1 or kubectl create instead.
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service/tomcat created
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deployment.apps/tomcat created
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service "tomcat" created
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deployment.apps "tomcat" created
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# Deployment info
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$ kubectl get deployments -o wide --selector run=tomcat
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NAME DESIRED CURRENT UP-TO-DATE AVAILABLE AGE CONTAINERS IMAGES SELECTOR
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tomcat 1 1 1 1 12m tomcat tomcat:9 run=tomcat
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NAME DESIRED CURRENT UP-TO-DATE AVAILABLE AGE CONTAINERS IMAGES SELECTOR
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tomcat 1 1 1 1 47s tomcat tomcat:9 run=tomcat
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# Pods info
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$ kubectl get pods -o wide --selector run=tomcat
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NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE
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tomcat-cc7648444-r9tw4 1/1 Running 0 2m 172.16.0.147 cn-beijing.i-2ze11lz4lijf1pmecnwp <none>
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NAME READY STATUS RESTARTS AGE IP NODE
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tomcat-5b75798b56-228r4 1/1 Running 0 1m 172.23.2.231 cn-beijing.192.168.0.8
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# Service info
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$ kubectl get svc tomcat
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NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
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tomcat ClusterIP 172.19.143.139 <none> 8080/TCP 4m
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NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
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tomcat ClusterIP 172.21.14.57 <none> 8080/TCP 1m
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```
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## Connect: Access APP From Local
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@@ -40,16 +39,27 @@ Connect to kubernetes cluster, KT will deployment a proxy pod in cluster：
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```shell
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$ sudo ktctl connect --method=vpn
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2019/06/19 11:11:07 Deploying proxy deployment kt-connect-daemon in namespace default
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2019/06/19 11:11:07 Pod status is Pending
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2019/06/19 11:11:09 Pod status is Running
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2019/06/19 11:11:09 Success deploy proxy deployment kt-connect-daemon in namespace default
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2019/06/19 11:11:18 KT proxy start successful
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11:48PM INF Connect Start At 27758
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11:48PM INF Client address 192.168.3.120
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11:48PM INF Deploying shadow deployment kt-connect-daemon-uhojp in namespace default
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11:48PM INF Shadow Pod status is Pending
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11:48PM INF Shadow Pod status is Running
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11:48PM INF Shadow is ready.
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11:48PM INF Success deploy proxy deployment kt-connect-daemon-uhojp in namespace default
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Forwarding from 127.0.0.1:2222 -> 22
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Forwarding from [::1]:2222 -> 22
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Handling connection for 2222
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Warning: Permanently added '[127.0.0.1]:2222' (ECDSA) to the list of known hosts.
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client: Connected.
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```
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```
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$ curl http://172.16.0.147:8080 #Access PodIP from local
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$ curl http://172.19.143.139:8080 #Access ClusterIP
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$ curl http://172.23.2.231:8080 #Access PodIP from local
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<!doctype html><html lang="en"><head><title>HTTP Status 404 – Not Found</title><style type="text/css">body {font-family:Tahoma,Arial,sans-serif;} h1, h2, h3, b {color:white;background-color:#525D76;} h1 {font-size:22px;} h2 {font-size:16px;} h3 {font-size:14px;} p {font-size:12px;} a {color:black;} .line {height:1px;background-color:#525D76;border:none;}</style></head><body><h1>HTTP Status 404 – Not Found</h1><hr class="line" /><p><b>Type</b> Status Report</p><p><b>Message</b> Not found</p><p><b>Description</b> The origin server did not find a current representation for the target resource or is not willing to disclose that one exists.</p><hr class="line" /><h3>Apache Tomcat/9.0.31</h3></body></html>
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$ curl http://172.21.14.57:8080 #Access ClusterIP
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<!doctype html><html lang="en"><head><title>HTTP Status 404 – Not Found</title><style type="text/css">body {font-family:Tahoma,Arial,sans-serif;} h1, h2, h3, b {color:white;background-color:#525D76;} h1 {font-size:22px;} h2 {font-size:16px;} h3 {font-size:14px;} p {font-size:12px;} a {color:black;} .line {height:1px;background-color:#525D76;border:none;}</style></head><body><h1>HTTP Status 404 – Not Found</h1><hr class="line" /><p><b>Type</b> Status Report</p><p><b>Message</b> Not found</p><p><b>Description</b> The origin server did not find a current representation for the target resource or is not willing to disclose that one exists.</p><hr class="line" /><h3>Apache Tomcat/9.0.31</h3></body></html>
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$ curl http://tomcat:8080 #Access Server internal DNS address
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```
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+27
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@@ -6,21 +6,20 @@
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``` shell
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$ kubectl run tomcat --image=tomcat:9 --expose --port=8080
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kubectl run --generator=deployment/apps.v1 is DEPRECATED and will be removed in a future version. Use kubectl run --generator=run-pod/v1 or kubectl create instead.
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service/tomcat created
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deployment.apps/tomcat created
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service "tomcat" created
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deployment.apps "tomcat" created
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$ kubectl get deployments -o wide --selector run=tomcat
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NAME DESIRED CURRENT UP-TO-DATE AVAILABLE AGE CONTAINERS IMAGES SELECTOR
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tomcat 1 1 1 1 12m tomcat tomcat:9 run=tomcat
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NAME DESIRED CURRENT UP-TO-DATE AVAILABLE AGE CONTAINERS IMAGES SELECTOR
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tomcat 1 1 1 1 47s tomcat tomcat:9 run=tomcat
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$ kubectl get pods -o wide --selector run=tomcat
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NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE
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tomcat-cc7648444-r9tw4 1/1 Running 0 2m 172.16.0.147 cn-beijing.i-2ze11lz4lijf1pmecnwp <none>
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NAME READY STATUS RESTARTS AGE IP NODE
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tomcat-5b75798b56-228r4 1/1 Running 0 1m 172.23.2.231 cn-beijing.192.168.0.8
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$ kubectl get svc tomcat
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NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
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tomcat ClusterIP 172.19.143.139 <none> 8080/TCP 4m
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NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
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tomcat ClusterIP 172.21.14.57 <none> 8080/TCP 1m
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```
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## Connect：连接集群网络
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@@ -37,18 +36,30 @@ tomcat ClusterIP 172.19.143.139 <none> 8080/TCP 4m
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```shell
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$ sudo ktctl connect --method=vpn
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2019/06/19 11:11:07 Deploying proxy deployment kt-connect-daemon in namespace default
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2019/06/19 11:11:07 Pod status is Pending
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2019/06/19 11:11:09 Pod status is Running
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2019/06/19 11:11:09 Success deploy proxy deployment kt-connect-daemon in namespace default
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2019/06/19 11:11:18 KT proxy start successful
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11:48PM INF Connect Start At 27758
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11:48PM INF Client address 192.168.3.120
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11:48PM INF Deploying shadow deployment kt-connect-daemon-uhojp in namespace default
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11:48PM INF Shadow Pod status is Pending
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11:48PM INF Shadow Pod status is Running
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11:48PM INF Shadow is ready.
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11:48PM INF Success deploy proxy deployment kt-connect-daemon-uhojp in namespace default
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Forwarding from 127.0.0.1:2222 -> 22
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Forwarding from [::1]:2222 -> 22
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Handling connection for 2222
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Warning: Permanently added '[127.0.0.1]:2222' (ECDSA) to the list of known hosts.
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client: Connected.
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```
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启用VPN后直接访问集群资源：
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```
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$ curl http://172.16.0.147:8080 #在本地直接访问PodIP
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$ curl http://172.19.143.139:8080 #在本地访问ClusteriIP
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$ curl curl http://172.23.2.231:8080 #在本地直接访问PodIP
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<!doctype html><html lang="en"><head><title>HTTP Status 404 – Not Found</title><style type="text/css">body {font-family:Tahoma,Arial,sans-serif;} h1, h2, h3, b {color:white;background-color:#525D76;} h1 {font-size:22px;} h2 {font-size:16px;} h3 {font-size:14px;} p {font-size:12px;} a {color:black;} .line {height:1px;background-color:#525D76;border:none;}</style></head><body><h1>HTTP Status 404 – Not Found</h1><hr class="line" /><p><b>Type</b> Status Report</p><p><b>Message</b> Not found</p><p><b>Description</b> The origin server did not find a current representation for the target resource or is not willing to disclose that one exists.</p><hr class="line" /><h3>Apache Tomcat/9.0.31</h3></body></html>
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$ curl http://172.21.14.57:8080 #在本地访问ClusteriIP
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<!doctype html><html lang="en"><head><title>HTTP Status 404 – Not Found</title><style type="text/css">body {font-family:Tahoma,Arial,sans-serif;} h1, h2, h3, b {color:white;background-color:#525D76;} h1 {font-size:22px;} h2 {font-size:16px;} h3 {font-size:14px;} p {font-size:12px;} a {color:black;} .line {height:1px;background-color:#525D76;border:none;}</style></head><body><h1>HTTP Status 404 – Not Found</h1><hr class="line" /><p><b>Type</b> Status Report</p><p><b>Message</b> Not found</p><p><b>Description</b> The origin server did not find a current representation for the target resource or is not willing to disclose that one exists.</p><hr class="line" /><h3>Apache Tomcat/9.0.31</h3></body></html>
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$ curl http://tomcat:8080 #使用Service的域名访问
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```
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Reference in New Issue
Block a user