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

cleaning up, adding more comments

Browse Source
This commit is contained in:
Anton Smith 2021-11-03 14:13:00 +01:00
parent 769fdd67a7
commit decc4b06e1
1 changed files with 41 additions and 29 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

70
maas-setup.sh
View File

@ -41,12 +41,24 @@ maas admin vm-hosts create password=password type=lxd power_address=https://${
# TODO find out the name of our vm host, and store this id in a variable
maas admin vm-hosts read | jq '.[] | select (.name=="proud-possum") | .name, .id'
# add a VM for the juju controller with minimal memory
# TODO use the variable for the VM host ID (below it is static 1)
# TODO use the variable for the VM host ID (below it is static 1). If you don't have 8 cores, change this to 4.
maas admin vm-host compose 1 cores=8 memory=2048 architecture="amd64/generic" storage="main:16(pool1)"
#TODO get the system_id from output of above, and use it with:
# maas admin tag update-nodes "juju-controller" add=$TAG
# maas admin tag update-nodes "juju-controller" add=$SYSTEM-ID
# Juju (note, this section requires manual intervention)
## Create 3 "bare metal" machines
maas admin vm-host compose 1 cores=8 memory=8192 architecture="amd64/generic" storage="main:25(pool1),ceph:150(pool1)" hostname="metal-1"
# TODO grab system-id and tag machine "metal"
maas admin vm-host compose 1 cores=8 memory=8192 architecture="amd64/generic" storage="main:25(pool1),ceph:150(pool1)" hostname="metal-2"
# TODO grab system-id and tag machine "metal"
maas admin vm-host compose 1 cores=8 memory=8192 architecture="amd64/generic" storage="main:25(pool1),ceph:150(pool1)" hostname="metal-3"
# TODO grab system-id and tag machine "metal"
# Go to the MAAS UI, log in with username admin password admin, and tag the machines
# Browse to http://localhost:5240/MAAS/ - select the 3 machines metal-1, metal-2, and metal-3, click actions - add tag "metal"
### Juju setup (note, this section requires manual intervention)
cd ~
sudo snap install juju --classic
sed -i 's/IP_ADDRESS/${IP_ADDRESS}/' maas-cloud.yaml
juju add-cloud --local maas-cloud maas-cloud.yaml
@ -56,54 +68,54 @@ juju credentials
# Bootstrap the maas-cloud - get a coffee
juju bootstrap maas-cloud --bootstrap-constraints "tags=juju-controller mem=2G"
# fire up the juju gui to view the fun
juju gui
# get coffee
# get some storage going
# https://jaas.ai/ceph-base
# https://jaas.ai/canonical-kubernetes/bundle/471
# TODO do we need to create ceph-mon machines?
maas admin vm-host compose 1 cores=8 memory=8192 architecture="amd64/generic" storage="main:25(pool1),ceph:150(pool1)" hostname="metal-1"
# TODO grab system-id and tag machine "metal"
maas admin vm-host compose 1 cores=8 memory=8192 architecture="amd64/generic" storage="main:25(pool1),ceph:150(pool1)" hostname="metal-2"
# TODO grab system-id and tag machine "metal"
maas admin vm-host compose 1 cores=8 memory=8192 architecture="amd64/generic" storage="main:25(pool1),ceph:150(pool1)" hostname="metal-3"
# TODO grab system-id and tag machine "metal"
# Deploy Ceph
### Ceph
juju deploy -n 3 ceph-mon --to lxd:0,lxd:1,lxd:2
juju deploy --config ceph-osd.yaml cs:ceph-osd -n 3 --to 0,1,2
juju add-relation ceph-mon ceph-osd
# watch the fun (with a another coffee)
# watch the fun (with a another coffee).
watch -c juju status --color
# Wait for Ceph to settle before proceeding
# deploy kubernetes-core with juju and re-use existing machines
### Kubernetes
# Deploy kubernetes-core with juju and re-use existing machines.
juju deploy kubernetes-core --map-machines=existing,0=0,1=1
#juju deploy kubernetes-core
# add the new kubernetes as a cloud to juju
mkdir ~/.kube
juju scp kubernetes-master/0:/home/ubuntu/config ~/.kube/config
juju scp kubernetes-master/1:/home/ubuntu/config ~/.kube/config
# add storage relations
juju add-relation ceph-mon:admin kubernetes-master
juju add-relation ceph-mon:client kubernetes-master
# add k8s to juju
# add k8s to juju (choose option 1, client only)
juju add-k8s my-k8s
juju bootstrap my-k8s
# add a model (k8s namespace) to the cluster
juju add-model k8s-model my-k8s
# add an LMA model to the cluster
### 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
#juju destroy-controller -y --destroy-all-models --destroy-storage maas-cloud-default
## random notes
# get some storage going
# https://jaas.ai/ceph-base
# https://jaas.ai/canonical-kubernetes/bundle/471