Kubernetes-DHCP

DHCP in K8's

Build the docker image

cd ./docker 
docker build -t kubernetes-dhcp .

Push the docker image to your docker registry

docker tag kubernetes-dhcp:latest <your-docker-registry>/kubernetes-dhcp:latest
docker push <your-docker-registry>/kubernetes-dhcp:latest

Deploy the DHCP server using kustomize

kubectl apply -k ./k8s

dhcp-backup

• dhcp-backup will use the /dhcpd/leases and /dhcpd/config files running and backup a tar file to an S3 bucket of choice

• it is intended to be run via a kubernetes cronjob to facilitate backups being taken pieroticly.

• dhcp-backup runs at a rootless user (1000) the intention is that the fsgroup will get set to 1000 so that the backupuser can access the files from the dhcp server

Running dhcp-backup

• Docker run command with the bucket access information passed in as envioment variables

docker run -d \
    -v /path/to/local/leases:/dhcpd/leases:ro \
    -v /path/to/local/config:/dhcpd/config:ro \
    -e S3_ENDPOINT='https://example.com' \
    -e S3_ACCESS_KEY='accesskey' \
    -e S3_SECRET_KEY='secretkey' \
    -e S3_BUCKET='s3://yourbucket/' \
    -e S3_PATH='backups/' \
    dhcp-backup