https://github.com/michalswi/sidecar
Sidecar proxy example
https://github.com/michalswi/sidecar
golang k8s kubernetes sidecar
Last synced: 7 months ago
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Sidecar proxy example
- Host: GitHub
- URL: https://github.com/michalswi/sidecar
- Owner: michalswi
- Created: 2019-08-08T07:46:24.000Z (about 6 years ago)
- Default Branch: master
- Last Pushed: 2023-09-21T11:03:50.000Z (about 2 years ago)
- Last Synced: 2025-01-13T10:51:14.401Z (9 months ago)
- Topics: golang, k8s, kubernetes, sidecar
- Language: Go
- Homepage:
- Size: 6.84 KB
- Stars: 0
- Watchers: 2
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
Awesome Lists containing this project
README
## sidecar proxy
### \# **single** container with webapp and proxy
```
cd singleFile/
# local
PORT=8080 PPORT=5050 go run singleFile/webAndProxy.go
curl localhost:5050
# docker
docker build -t local/sidecar:0.0.1 .
docker run -it -p 5050:5050 -e PORT=8080 -e PPORT=5050 local/sidecar:0.0.1
curl localhost:5050
```
### \# **separate** containers with webapp and proxy
#### **Run locally**
```
APPNAME=webapp make docker-build
APPNAME=proxy make docker-build
> run 'webapp' first then 'proxy' !
APPNAME=webapp make docker-run-webapp
APPNAME=proxy \
AIP=$(docker inspect -f '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' webapp) \
make docker-run-proxy
curl localhost:5050
```
#### **Run in K8s**
```
$ kubectl apply -f proxy-to-app.yml
$ kubectl get pods
NAME READY STATUS RESTARTS AGE
http-app-676f7f6b94-9zgfn 2/2 Running 0 29s
$ kubectl get svc
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
http-app-svc LoadBalancer 10.0.50.8 52.157.231.128 60000:31857/TCP 40s
$ curl -i 52.157.231.128:60000
HTTP/1.1 200 OK
Content-Length: 14
Content-Type: text/plain; charset=utf-8
Date: Mon, 22 Nov 2021 08:59:35 GMT
X-Content-Type-Options: nosniff
Cloud runner!
$ kubectl logs http-app-676f7f6b94-9zgfn http-sidecar
(...)
proxy 2021/11/22 08:59:35 proxy.go:52: request dump: &{GET / HTTP/1.1 1 1 map[Accept:[*/*] User-Agent:[curl/7.58.0]] {} 0 [] false 52.157.231.128:60000 map[] map[] map[] 10.244.1.1:42041 / 0xc00005ad00}
```