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15/May/2023 #62

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00-Troubleshooting/README.md
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@ -78,6 +78,26 @@ listening on eth0, link-type EN10MB (Ethernet), snapshot length 262144 bytes
kubectl logs -n istio-system -f deployments/istiod
```
## Istio-Proxy Pod
This will display the logs from a deployment while targeting the `istio-proxy` container from the targeted pod/deployment.
As well will attach the session to stream new logs. (`-f` `--follow`)
```shell
kubectl logs deployments/helloworld-default -f -c istio-proxy
```
```text
[2023-05-15T00:42:03.699Z] "- - -" 0 UH - - "-" 0 0 0 - "-" "-" "-" "-" "-" BlackHoleCluster - 10.111.90.232:8080 172.17.121.65:52006 - -
[2023-05-15T00:42:24.785Z] "HEAD / HTTP/1.1" 200 - via_upstream - "-" 0 0 2 1 "-" "curl/7.74.0" "c133cbf0-b57d-4fba-8f84-d683ab903399" "helloworld.default.svc.cluster.local" "172.17.121.65:80" inbound|80|| 127.0.0.6:51695 172.17.121.65:80 172.17.121.65:43786 outbound_.80_._.helloworld.default.svc.cluster.local default
[2023-05-15T00:42:24.784Z] "HEAD / HTTP/1.1" 200 - via_upstream - "-" 0 0 5 4 "-" "curl/7.74.0" "c133cbf0-b57d-4fba-8f84-d683ab903399" "helloworld.default.svc.cluster.local" "172.17.121.65:80" outbound|80||helloworld.default.svc.cluster.local 172.17.121.65:43786 10.111.90.232:80 172.17.121.65:57030 - default
[2023-05-15T00:43:23.209Z] "HEAD / HTTP/1.1" 200 - via_upstream - "-" 0 0 6 5 "-" "curl/7.74.0" "e1f0a2f3-93ff-4c41-8cb3-6d3a53fce065" "helloworld.foo.svc.cluster.local" "172.17.247.42:80" outbound|80||helloworld.foo.svc.cluster.local 172.17.121.65:55040 10.109.248.148:80 172.17.121.65:60520 - default
[2023-05-15T00:43:29.751Z] "- - -" 0 UH - - "-" 0 0 0 - "-" "-" "-" "-" "-" BlackHoleCluster - 10.109.248.148:8080 172.17.121.65:40370 - -
[2023-05-15T00:43:31.979Z] "- - -" 0 UH - - "-" 0 0 0 - "-" "-" "-" "-" "-" BlackHoleCluster - 10.109.248.148:8080 172.17.121.65:40402 - -
```
## Ingress
The service targeted, `istio-ingressgateway`, is an Ingress Load Balancer service from Istio.
@ -177,4 +197,8 @@ InboundPassthroughClusterIpv4 - -
PassthroughCluster - - - ORIGINAL_DST
agent - - - STATIC
...
```
```
# Other links
## [Debugging with Istio](https://www.istioworkshop.io/12-debugging/01-istioctl-debug-command/)