Cross model relations with K8 across regions and monitored on AWS

cmr-demo.txt

# get the latest juju edge snap
sudo snap refresh --edge juju
juju (edge) 2.3-alpha1+develop-c8d3e6c from 'canonical' refreshed
PATH=/snap/bin:$PATH 


# turn on the Cross Model Relation feature flag
export JUJU_DEV_FEATURE_FLAGS=cross-model
juju bootstrap aws/us-west-2 west-noc
juju bootstrap google/europe-west1 eu-west-workloads
juju bootstrap google east-workloads 
    
juju add-model eu-k8 -c eu-west-workloads
juju add-model us-k8 -c east-workloads
juju add-model big-brother -c west-noc
    
juju deploy kubernetes-core -m eu-west-workloads:eu-k8
juju deploy kubernetes-core -m east-workloads:us-k8
    
juju deploy prometheus -m west-noc:big-brother
juju deploy cs:~prometheus-charmers/grafana-3 -m west-noc:big-brother
juju relate prometheus grafana:grafana-source -m west-noc:big-brother


juju offer prometheus:target
Application "prometheus" endpoints [target] available at "admin/big-brother.prometheus"
    
juju deploy telegraf -m east-workloads:us-k8
juju relate kubernetes-master:juju-info telegraf -m east-workloads:us-k8
juju relate kubernetes-worker:juju-info telegraf -m east-workloads:us-k8
juju deploy telegraf -m eu-west-workloads:eu-k8
juju relate kubernetes-master:juju-info telegraf -m eu-west-workloads:eu-k8
juju relate kubernetes-worker:juju-info telegraf -m eu-west-workloads:eu-k8
    
juju switch east-workloads:us-k8
juju consume west-noc:/big-brother.prometheus bb-prometheus
Added west-noc:admin/big-brother.prometheus as bb-prometheus
juju relate telegraf bb-prometheus:target
    
juju switch eu-west-workloads:eu-k8
juju consume west-noc:/big-brother.prometheus bb-prometheus
Added west-noc:admin/big-brother.prometheus as bb-prometheus
juju relate telegraf bb-prometheus:target

juju switch west-noc:big-brother
juju expose grafana

# I admit here the IPs grabbed by Juju for the telegraf instances 
# were the 10.X private addresses and I had to ssh to prometheus 
# and edit those addresses in the config. The team is working to 
# improve that.