JUJU

juju bootstrap testcloud manual/10.0.1.21 --upload-tools \
  --config default-series=xenial \
  --config apt-http-proxy="http://10.0.1.1:8000" \
  --config agent-stream=devel

• https://jujucharms.com/u/openstack-charmers-next/openstack-base-xenial-mitaka

deploy

juju deploy ntp
juju get-config
juju set-config ntp source="ntp.ubuntu.com"

juju deply ntp
juju get-config ntp
juju set-config ntp source="ntp.ubuntu.com"
# juju add-relation ntp ...

deploy db

juju deploy --to 0 cs:~openstack-charmers-next/xenial/percona-cluster-212

debug unit

juju status-history ntp/0