121 lines
4.9 KiB
Bash
121 lines
4.9 KiB
Bash
# lxd / maas issue. either upgrade lxd or maas to 3.1
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sudo snap switch --channel=4.19/stable lxd
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sudo snap refresh lxd
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#get local interface name (this assumes a single default route is present)
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export INTERFACE=$(ip route | grep default | cut -d ' ' -f 5)
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export IP_ADDRESS=$(ip -4 addr show dev $INTERFACE | grep -oP '(?<=inet\s)\d+(\.\d+){3}')
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sed -i 's/#net.ipv4.ip_forward=1/net.ipv4.ip_forward=1/' /etc/sysctl.conf
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sysctl -p
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iptables -t nat -A POSTROUTING -o $INTERFACE -j SNAT --to $IP_ADDRESS
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#TODO inbound port forwarding/load balancing
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# Persist NAT configuration
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echo iptables-persistent iptables-persistent/autosave_v4 boolean true | sudo debconf-set-selections
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echo iptables-persistent iptables-persistent/autosave_v6 boolean true | sudo debconf-set-selections
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apt-get install iptables-persistent -y
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# LXD init
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cat /tmp/lxd.cfg | lxd init --preseed
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# Wait for LXD to be ready
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lxd waitready
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# Initialise MAAS
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maas init region+rack --database-uri maas-test-db:/// --maas-url http://${IP_ADDRESS}:5240/MAAS
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sleep 15
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# Create MAAS admin and grab API key
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maas createadmin --username admin --password admin --email admin
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export APIKEY=$(maas apikey --username admin)
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# MAAS admin login
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maas login admin 'http://localhost:5240/MAAS/' $APIKEY
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# Configure MAAS networking (set gateways, vlans, DHCP on etc)
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export SUBNET=10.10.10.0/24
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export FABRIC_ID=$(maas admin subnet read "$SUBNET" | jq -r ".vlan.fabric_id")
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export VLAN_TAG=$(maas admin subnet read "$SUBNET" | jq -r ".vlan.vid")
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export PRIMARY_RACK=$(maas admin rack-controllers read | jq -r ".[] | .system_id")
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maas admin subnet update $SUBNET gateway_ip=10.10.10.1
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maas admin ipranges create type=dynamic start_ip=10.10.10.200 end_ip=10.10.10.254
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maas admin vlan update $FABRIC_ID $VLAN_TAG dhcp_on=True primary_rack=$PRIMARY_RACK
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maas admin maas set-config name=upstream_dns value=8.8.8.8
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# Add LXD as a VM host for MAAS
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maas admin vm-hosts create password=password type=lxd power_address=https://${IP_ADDRESS}:8443 project=maas
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# creating VMs
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# TODO find out the name of our vm host, and store this id in a variable
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maas admin vm-hosts read | jq '.[] | select (.name=="proud-possum") | .name, .id'
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# add a VM for the juju controller with minimal memory
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# TODO use the variable for the VM host ID (below it is static 1). If you don't have 8 cores, change this to 4.
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maas admin vm-host compose 1 cores=8 memory=2048 architecture="amd64/generic" storage="main:16(pool1)"
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#TODO get the system_id from output of above, and use it with:
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# maas admin tag update-nodes "juju-controller" add=$SYSTEM-ID
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## Create 3 "bare metal" machines
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maas admin vm-host compose 1 cores=8 memory=8192 architecture="amd64/generic" storage="main:25(pool1),ceph:150(pool1)" hostname="metal-1"
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# TODO grab system-id and tag machine "metal"
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maas admin vm-host compose 1 cores=8 memory=8192 architecture="amd64/generic" storage="main:25(pool1),ceph:150(pool1)" hostname="metal-2"
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# TODO grab system-id and tag machine "metal"
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maas admin vm-host compose 1 cores=8 memory=8192 architecture="amd64/generic" storage="main:25(pool1),ceph:150(pool1)" hostname="metal-3"
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# TODO grab system-id and tag machine "metal"
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# Go to the MAAS UI, log in with username admin password admin, and tag the machines
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# Browse to http://localhost:5240/MAAS/ - select the 3 machines metal-1, metal-2, and metal-3, click actions - add tag "metal"
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### Juju setup (note, this section requires manual intervention)
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cd ~
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sudo snap install juju --classic
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sed -i 's/IP_ADDRESS/${IP_ADDRESS}/' maas-cloud.yaml
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juju add-cloud --local maas-cloud maas-cloud.yaml
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juju add-credential maas-cloud
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juju clouds --local
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juju credentials
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# Bootstrap the maas-cloud - get a coffee
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juju bootstrap maas-cloud --bootstrap-constraints "tags=juju-controller mem=2G"
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# fire up the juju gui to view the fun
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juju gui
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# get coffee
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### Ceph
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juju deploy -n 3 ceph-mon --to lxd:0,lxd:1,lxd:2
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juju deploy --config ceph-osd.yaml cs:ceph-osd -n 3 --to 0,1,2
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juju add-relation ceph-mon ceph-osd
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# watch the fun (with a another coffee).
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watch -c juju status --color
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# Wait for Ceph to settle before proceeding
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### Kubernetes
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# Deploy kubernetes-core with juju and re-use existing machines.
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juju deploy kubernetes-core --map-machines=existing,0=0,1=1
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# add the new kubernetes as a cloud to juju
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mkdir ~/.kube
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juju scp kubernetes-master/1:/home/ubuntu/config ~/.kube/config
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# add storage relations
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juju add-relation ceph-mon:admin kubernetes-master
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juju add-relation ceph-mon:client kubernetes-master
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# add k8s to juju (choose option 1, client only)
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juju add-k8s my-k8s
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juju bootstrap my-k8s
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### Deploying applications
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# juju add-model some-model my-k8s
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# juju deploy someapp(s)
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### Cleanup? not sure this always works.
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#juju destroy-controller -y --destroy-all-models --destroy-storage maas-cloud-default
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### Notes / LMA stack deployment
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## add an LMA model to the cluster
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juju add-model lma my-k8s
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juju deploy lma-light --channel=edge --trust
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## random notes
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# get some storage going
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# https://jaas.ai/ceph-base
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# https://jaas.ai/canonical-kubernetes/bundle/471 |