adelorenzo
/
maas-baremetal-k8s-tutorial
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Update maas-setup.sh

This commit is contained in:
antongisli 2021-11-21 14:05:49 +01:00 committed by GitHub
parent b87cb378e2
commit 3ace952569
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 22 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

48
maas-setup.sh
View File

@ -151,7 +151,7 @@ juju deploy hello-kubecon --config juju-external-hostname=kubecon.test
# Deploy the ingress integrator - this is a helper to setup the ingress
juju deploy nginx-ingress-integrator ingress
# trust the ingress
# trust the ingress (it needs cluster credentials to make changes)
juju trust ingress --scope=cluster
# Relate our app to the ingress - this causes the ingress to be setup
@ -167,10 +167,12 @@ kubectl get pods -n hello-kubecon
# we can use port forwarding. Replace 10.10.10.5 with the IP seen on the ingress.
sudo iptables -t nat -A PREROUTING -p tcp -i enp6s0 \
--dport 8000 -j DNAT --to-destination 10.10.10.5:80
# if you want to persist this, run sudo dpkg-reconfigure iptables-persistent
# Now you should be able to open a browser and navigate to http://$IP_ADDRESS:8000
# scale our kubernetes cluster - find a machine (avoid kubernetes-master)
# scale our kubernetes cluster - find a machine
# Avoid kubernetes-master or existing kubernetes-worker machines
# https://discourse.charmhub.io/t/scaling-applications/1075
juju switch maas-cloud-default
juju status
@ -186,53 +188,47 @@ juju status
# what happened to the ingress?
kubectl get ingress -n hello-kubecon
# exercise for the reader - iptables round robin :)
# exercise for the reader - iptables round robin or MetalLB:)
# scale down hello-kubecon
juju remove-unit --num-units 1 hello-kubecon
# scaledown kubernetes
juju switch maas-cloud-default
juju remove-unit kubernetes-worker/1
juju remove-unit kubernetes-worker/1
juju status
# if you want to test destroying your hello-kubecon:
juju switch my-k8s
juju destroy-model hello-kubecon --release-storage
# if you want to destroy your kubenetes controller for juju
juju switch maas-cloud-default
juju destroy-controller my-k8s
# Now you should be able to open a browser and navigate to http://your-machines-real-ip:8000
# if you want to remove your k8s cluster:
juju switch maas-cloud-default
juju remove-application kubernetes-master kubernetes-worker etcd flannel easyrsa
# if you want to remove ceph
juju switch maas-cloud-default
juju remove-application ceph-mon ceph-osd
# To clean up everything:
juju destroy-controller -y --destroy-all-models --destroy-storage maas-cloud-default
# And the machines created in MAAS can be deleted easily in the MAAS GUI.
### END
### Deploying applications
# juju add-model some-model my-k8s
# juju deploy someapp(s)
### Cleanup? not sure this always works.
#juju destroy-controller -y --destroy-all-models --destroy-storage maas-cloud-default
### Notes / LMA stack deployment
## add an LMA model to the cluster
# juju add-model lma my-k8s
# juju deploy lma-light --channel=edge --trust
## random notes
# get some storage going
### Reference materials notes
# https://jaas.ai/ceph-base
# https://jaas.ai/canonical-kubernetes/bundle/471
# https://medium.com/swlh/kubernetes-external-ip-service-type-5e5e9ad62fcd
# https://charmhub.io/nginx-ingress-integrator
# https://drive.google.com/file/d/1estQna40vz4uS5tBd9CvKdILdwAmcNFH/view - hello-kubecon
# https://ubuntu.com/kubernetes/docs/troubleshooting - troubleshooting
### https://juju.is/blog/deploying-mattermost-and-kubeflow-on-kubernetes-with-juju-2-9
# https://juju.is/blog/deploying-mattermost-and-kubeflow-on-kubernetes-with-juju-2-9
### END
#https://juju.is/blog/deploying-mattermost-and-kubeflow-on-kubernetes-with-juju-2-9