Switch to strict confinement

Make use of the personal-files interface to allow access
to clouds.yaml for the user running the commands.

All commands need network and home plugs for operation.

Change-Id: Ic1e06af58f04f7e5d30a69b05fce1d70390aff16

snapcraft.yaml

@@ -12,60 +12,139 @@ description: |
   .
   This snap provides the openstack command-line client and other
   project specific command-line clients.
-confinement: classic
+confinement: strict
 grade: stable
 base: core18
 
+plugs:
+  config-openstack:
+    interface: personal-files
+    read:
+    - $HOME/.config/openstack/clouds.yaml
+
 apps:
   openstack:
     command: bin/openstack
     completer: usr/share/bash-completion/completions/openstack
+    plugs:
+      - network
+      - home
+      - config-openstack
   glance:
     command: bin/glance
+    plugs:
+      - network
+      - home
   gnocchi:
     command: bin/gnocchi
+    plugs:
+      - network
+      - home
   neutron:
     command: bin/neutron
+    plugs:
+      - network
+      - home
   nova:
     command: bin/nova
+    plugs:
+      - network
+      - home
   cinder:
     command: bin/cinder
+    plugs:
+      - network
+      - home
   aodh:
     command: bin/aodh
+    plugs:
+      - network
+      - home
   barbican:
     command: bin/barbican
+    plugs:
+      - network
+      - home
   ceilometer:
     command: bin/ceilometer
+    plugs:
+      - network
+      - home
   cloudkitty:
     command: bin/cloudkitty
+    plugs:
+      - network
+      - home
   freezer:
     command: bin/freezer
+    plugs:
+      - network
+      - home
   glance:
     command: bin/glance
+    plugs:
+      - network
+      - home
   heat:
     command: bin/heat
+    plugs:
+      - network
+      - home
   magnum:
     command: bin/magnum
+    plugs:
+      - network
+      - home
   manila:
     command: bin/manila
+    plugs:
+      - network
+      - home
   masakari:
     command: bin/masakari
+    plugs:
+      - network
+      - home
   mistral:
     command: bin/mistral
+    plugs:
+      - network
+      - home
   monasca:
     command: bin/monasca
+    plugs:
+      - network
+      - home
   murano:
     command: bin/murano
+    plugs:
+      - network
+      - home
   swift:
     command: bin/swift
+    plugs:
+      - network
+      - home
   tacker:
     command: bin/tacker
+    plugs:
+      - network
+      - home
   trove:
     command: bin/trove
+    plugs:
+      - network
+      - home
   vitrage:
     command: bin/vitrage
+    plugs:
+      - network
+      - home
   watcher:
     command: bin/watcher
+    plugs:
+      - network
+      - home
 
 parts:
   openstackclients: