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https://github.com/yokawasa/kubernetes-client-go-samples
A collection of Kubernetes and Istio client-go samples
https://github.com/yokawasa/kubernetes-client-go-samples
client-go client-go-sample golang istio kubernetes
Last synced: 25 days ago
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A collection of Kubernetes and Istio client-go samples
- Host: GitHub
- URL: https://github.com/yokawasa/kubernetes-client-go-samples
- Owner: yokawasa
- License: mit
- Created: 2021-04-29T01:34:19.000Z (over 3 years ago)
- Default Branch: main
- Last Pushed: 2021-06-13T08:06:06.000Z (over 3 years ago)
- Last Synced: 2024-10-30T03:50:19.311Z (2 months ago)
- Topics: client-go, client-go-sample, golang, istio, kubernetes
- Language: Go
- Homepage:
- Size: 104 KB
- Stars: 1
- Watchers: 3
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
README
# kubernetes-client-go-samples
A collection of Kubernetes and Istio client-go sample code
- [kubernetes/client-go](https://github.com/kubernetes/client-go)
- [istio/client-go](https://github.com/istio/client-go)
## Sample Lists
- [List Services](svclist)
- [List Nodes](nodelist)
- [List Pods](podlist)
- [List Pods in Service](podlist-in-svc)
- [Infomrer](informer)
- [Get Istio VirtualServices](istio-get-vs)
- [Update Istio VirtualService](istio-update-vs)
## Quickstart
### Local build and run
To Locally build binary, run the following command. Compbiled binaries are created under dist directory
```bash
git clone [email protected]:yokawasa/kubernetes-client-go-samples.git
cd kubernetes-client-go-samples
make
```
Then, run the compiled binaries
```bash
./dist/svclist
./dist/nodelist
./dist/podlist
./dist/podlist-in-svc
./dist/istio-get-vs -s -n
./dist/istio-update-vs -s -n -desthost -destsubset
```
### Docker
Docker build with the Makefile like this
```bash
git clone [email protected]:yokawasa/kubernetes-client-go-samples.git
cd kubernetes-client-go-samples
# docker build using make
make docker-build
```
Or you can docker build using docker command
```bash
# docker build using docker command
export docker_image_repo=kubernetes-client-go-samples
export docker_image_tag=latest
docker build -t ${docker_image_repo}:${docker_image_tag} . --target executor
```
Then, run the commands like this
```bash
export docker_image_repo=kubernetes-client-go-samples
export docker_image_tag=latest
docker run --rm -it -v ${HOME}/.kube/config:/root/.kube/config ${docker_image_repo}:${docker_image_tag} sh -c "/svclist"
docker run --rm -it -v ${HOME}/.kube/config:/root/.kube/config ${docker_image_repo}:${docker_image_tag} sh -c "/nodelist"
docker run --rm -it -v ${HOME}/.kube/config:/root/.kube/config ${docker_image_repo}:${docker_image_tag} sh -c "/podlist"
docker run --rm -it -v ${HOME}/.kube/config:/root/.kube/config ${docker_image_repo}:${docker_image_tag} sh -c "/podlist-in-svc"
docker run --rm -it -v ${HOME}/.kube/config:/root/.kube/config ${docker_image_repo}:${docker_image_tag} sh -c "/informer"
docker run --rm -it -v ${HOME}/.kube/config:/root/.kube/config ${docker_image_repo}:${docker_image_tag} sh -c "/istio-get-vs -s -n "
docker run --rm -it -v ${HOME}/.kube/config:/root/.kube/config ${docker_image_repo}:${docker_image_tag} sh -c "/istio-update-vs -s -n -desthost -destsubset "
# You might need to volume mount your .aws dir if you are accessing to AWS EKS Kubernets cluster
docker run --rm -it -v ${HOME}/.kube/config:/root/.kube/config -v ${HOME}/.aws:/root/.aws ${docker_image_repo}:${docker_image_tag} sh -c "/svclist"
docker run --rm -it -v ${HOME}/.kube/config:/root/.kube/config -v ${HOME}/.aws:/root/.aws ${docker_image_repo}:${docker_image_tag} sh -c "/nodelist"
docker run --rm -it -v ${HOME}/.kube/config:/root/.kube/config -v ${HOME}/.aws:/root/.aws ${docker_image_repo}:${docker_image_tag} sh -c "/podlist"
docker run --rm -it -v ${HOME}/.kube/config:/root/.kube/config -v ${HOME}/.aws:/root/.aws ${docker_image_repo}:${docker_image_tag} sh -c "/podlist-in-svc"
docker run --rm -it -v ${HOME}/.kube/config:/root/.kube/config -v ${HOME}/.aws:/root/.aws ${docker_image_repo}:${docker_image_tag} sh -c "/informer"
docker run --rm -it -v ${HOME}/.kube/config:/root/.kube/config -v ${HOME}/.aws:/root/.aws ${docker_image_repo}:${docker_image_tag} sh -c "/istio-get-vs -s -n "
docker run --rm -it -v ${HOME}/.kube/config:/root/.kube/config -v ${HOME}/.aws:/root/.aws ${docker_image_repo}:${docker_image_tag} sh -c "/istio-update-vs -s -n -desthost -destsubset "
```
## Develop modules
### Build from source
```
cd $GOPATH/src/github.com/
mkdir -p yokawasa
cd yokawasa/
git clone [email protected]:yokawasa/kubernetes-client-go-samples.git
cd kubernetes-client-go-samples
make
```
### Add new module
```
git clone [email protected]:yokawasa/kubernetes-client-go-samples.git
cd kubernetes-client-go-samples
mkdir new-module
vi main.go
go mod init new-module
go build
```
Once you confirm the module build, add the name of module to `Makefile` on the project root
```
.PHONY: clean all list-services list-nodes list-pods ...
...snip...
TARGETS=\
svclist \
nodelist \
podlist \
...snip..
\
```
Then, the module can be built with the Makefile like this
```
make
...snip...
cd $GOPATH/src/github.com/yokawasa/kubernetes-client-go-samples/ && GO111MODULE=on go build -o $GOPATH/src/github.com/yokawasa/kubernetes-client-go-samples/dist/ main.go
```