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| author | Siddharth Bhadri <siddharth.bhadri@huawei.com> | 2019-06-24 23:12:50 +0530 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-06-24 23:12:50 +0530 |
| commit | 81f652b559811c3d0a6348dd35c3b213c556d37d (patch) | |
| tree | ab213e27d892d888498a261cf262949a2bbbfd96 | |
| parent | Merge pull request #799 from rohitsardesai83/automated-cherry-pick-of-#797-up... (diff) | |
| parent | Modify guide edgemesh_test_env_guide.md (diff) | |
| download | kubeedge-81f652b559811c3d0a6348dd35c3b213c556d37d.tar.gz | |
Merge pull request #801 from rohitsardesai83/automated-cherry-pick-of-#800-upstream-release-1.0origin/release-1.0
Automated cherry pick of #800: Modify guide edgemesh_test_env_guide.md
| -rw-r--r-- | docs/guides/edgemesh_test_env_guide.md | 32 |
1 files changed, 21 insertions, 11 deletions
diff --git a/docs/guides/edgemesh_test_env_guide.md b/docs/guides/edgemesh_test_env_guide.md index 08ffca9d8..fc15edffa 100644 --- a/docs/guides/edgemesh_test_env_guide.md +++ b/docs/guides/edgemesh_test_env_guide.md @@ -5,15 +5,8 @@ > <https://kubernetes.io/docs/setup/production-environment/container-runtimes/#containerd> ## install CNI plugin -+ download cni plugin -```bash -$ wget https://github.com/containernetworking/plugins/releases/download/v0.8.1/cni-plugins-linux-amd64-v0.8.1.tgz -``` -+ decompression and installation -```bash -$ mkdir -p /opt/cni/bin -$ tar -zxvf cni-plugins-linux-amd64-v0.8.1.tgz -C /opt/cni/bin -``` ++ get cni plugin and these five version are sopported (0.1.0, 0.2.0, 0.3.0, 0.3.1, 0.4.0) ++ and then use 'tar -zxvf' to extract to /opt/cni/bin + configure cni plugin ```bash @@ -60,7 +53,10 @@ $ iptables -P FORWARD ACCEPT ```bash $ iptables -t nat -A PORT-MAP ! -i docker0 -p tcp -m tcp --dport portIN -j DNAT --to-destination containerIP:portOUT ``` - +> + by the way, If you redeployed the service,you can use the command as follows to delete the rule, and perform the second step again. + ```bash + $ iptables -t nat -D PORT-MAP 2 + ``` ## Example for Edgemesh test env  @@ -179,4 +175,18 @@ spec: privileged: true ``` **note: -p: whitelist, only port in whitelist can go out from client to edgemesh then to server** -- client request server: exec into client container and then run command: ```curl http://test-headless.default.svc.cluster:8080```, will get the response from server like: ```HOSTNAME:test-app-686c6dbf98-6hrdq IP:10.11.0.4```
\ No newline at end of file +- client request server: exec into client container and then run command: ```curl http://test-headless.default.svc.cluster:8080```, will get the response from server like: ```HOSTNAME:test-app-686c6dbf98-6hrdq IP:10.11.0.4``` +> * **there is two ways to exec the 'curl' command to access your service** +> * 1st: use 'ctr' command attach in the container and make sure there is 'curl' command in the container + +```bash +$ ctr -n k8s.io t exec --exec-id 123 <containerID> sh + +``` +> * 2nd: switch the network namespace.(Recommended Use) +```bash +# first step get the id,this command will return a id start with 'cni-xx'. and make sure the 'xx' is related to the pod which you can get from 'kubectl describe <podName>' +$ ip netns +# and the use this id to switch the net namespace. And the you can exec curl to access the service +$ ip netns exec <id> bash +``` |