Strict confinement (devmode)

Make MicroStack strictly confined, albeit in devmode for now.

Addresses unpredictable breakages with apt package upgrades in eoan
and focal, and sets the stage for a better isolated, less fragile snap
going forward.

We now use layouts to handle libvirt and qemu setting paths at compile
time. This is cleaner than the organize hack.

Moved away from calls to systemctl in init, as a strictly confined
snap cannot call systemctl on a non snappy system.

Disabled call to sysctl to set ipv4_fowarding, as we don't have access
to sysctl in a strictly confined snap. This may break some users, and
we need to figure out a way to address the breakage.

Got rid of questions.shell.shell routine, moving rabbitmq setup into a
bash script instead (it's just cleaner).

Moved keypair creation into launch script, as it's difficult to do
sensible things with keypair creation in the init script, which is
running using sudo, and therefore doesn't have access to
/home/<someuser>/snap

Added (but commented out) code that will check to verify that plugs
are connected before running microstack.init or ovs-vsctl. This code
may go away entirely, as we plan on auto connecting all of our
interfaces, and don't technically need to guard against not having
them connected.

Added temporary local upper-constraints file, to fix an issue where
upstream upper-constraints was breaking pip install by setting a
neutron version. This needs a better long term fix, but works for now.

Closes-bug: 1860660
Change-Id: Iaf1f1482609f05285ed9061317b32e90bffd2da0

.gitignore

@@ -10,6 +10,7 @@ prime/
 snap/.snapcraft
 stage/
 dump.tar.gz
+squashfs-root
 
 # Emacs
 *~

README.md

@@ -29,6 +29,11 @@ At this time you can install from the `--beta` or `--edge` snap channels:
 
     sudo snap install microstack --classic --beta
 
+The edge channel is moving toward a strictly confined snap. At this time, it
+must be installed in devmode:
+
+    sudo snap install microstack --devmode --edge
+
 ## Initialisation
 
 Initialisation will set up databases, networks, flavors, an SSH keypair, a

patches/upper-constraints.txt

@@ -0,0 +1,573 @@
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+python-tackerclient===0.15.0
+python-heatclient===1.17.0
+kafka-python===1.4.4
+oslo.utils===3.40.5
+python-editor===1.0.4
+gitdb2===2.0.5
+requests-kerberos===0.12.0
+itsdangerous===1.1.0
+XStatic-jquery-ui===1.12.1.1
+monasca-statsd===1.11.0
+python-dateutil===2.8.0
+virtualenv===16.4.3
+colorama===0.4.1
+ironic-lib===2.16.4
+pytz===2018.9
+XStatic-D3===3.5.17.0
+actdiag===0.5.4
+sysv-ipc===1.0.0
+scikit-learn===0.20.3
+horizon===15.2.0
+uwsgi===2.0.17.1

snap-overlay/bin/set-default-config

@@ -28,7 +28,7 @@ snapctl set \
 # Passwords, certs, etc.
 snapctl set \
         config.credentials.os-password=keystone \
-        config.credentials.key-pair=id_microstack \
+        config.credentials.key-pair="/home/{USER}/snap/{SNAP_NAME}/common/.ssh/id_microstack" \
         config.credentials.nova-password=nova \
         config.credentials.neutron-password=neutron \
         config.credentials.placement-password=placement \
@@ -37,7 +37,7 @@ snapctl set \
 
 # Host optimizations and fixes.
 snapctl set \
-        config.host.ip-forwarding=true \
+        config.host.ip-forwarding=false \
         config.host.check-qemu=true \
         ;
 

snap-overlay/bin/setup-rabbit

@@ -0,0 +1,8 @@
+#!/bin/bash
+
+set -ex
+
+export HOME=$SNAP_COMMON/lib/rabbitmq
+
+$SNAP/usr/sbin/rabbitmqctl add_user openstack rabbitmq || true
+$SNAP/usr/sbin/rabbitmqctl set_permissions openstack ".*" ".*" ".*"

snap-wrappers/ovs/ovs-wrapper

@@ -13,4 +13,9 @@ mkdir -p ${OVS_LOGDIR}
 mkdir -p ${OVS_RUNDIR}
 mkdir -p ${OVS_SYSCONFDIR}/openvswitch
 
+# if ! snapctl is-connected openvswitch-support; then
+#    echo "openvswitch-support is not connected. Exiting."
+#    exit 0
+# fi
+
 exec $@

snap/hooks/install

@@ -4,6 +4,8 @@ set -ex
 # Initialize config
 set-default-config
 
+mkdir -p $SNAP_DATA/lib/libvirt/images
+
 # MySQL snapshot for speedy install
 # snapshot is a mysql data dir with
 # rocky keystone,nova,glance,neutron dbs.

snapcraft.yaml

@@ -5,172 +5,206 @@ summary: OpenStack on your laptop.
 description: |
   Microstack gives you an easy way to develop and test OpenStack
   workloads on your laptop.
-grade: stable
-confinement: classic
+grade: devel
+confinement: strict
 environment:
-  # Edit the following lines with tools/update_path.py
-  LD_LIBRARY_PATH: $SNAP/lib:$SNAP/lib/$SNAPCRAFT_ARCH_TRIPLET:$SNAP/usr/lib:$SNAP/usr/lib/$SNAPCRAFT_ARCH_TRIPLET:$SNAP/usr/lib/$SNAPCRAFT_ARCH_TRIPLET/pulseaudio
-  PATH: $SNAP/usr/sbin:$SNAP/usr/bin:$SNAP/sbin:$SNAP/bin:$PATH
   LC_ALL: C
+  PATH: $SNAP/usr/sbin:$SNAP/usr/bin:$SNAP/sbin:$SNAP/bin:$PATH
   OS_PLACEMENT_CONFIG_DIR: $SNAP/etc/nova/
 
+layout:
+  # Libvirt/Qemu libs
+  /usr/lib/$SNAPCRAFT_ARCH_TRIPLET/ceph:
+    bind: $SNAP/usr/lib/$SNAPCRAFT_ARCH_TRIPLET/ceph
+  /usr/lib/$SNAPCRAFT_ARCH_TRIPLET/qemu:
+    bind: $SNAP/usr/lib/$SNAPCRAFT_ARCH_TRIPLET/qemu
+  /usr/lib/$SNAPCRAFT_ARCH_TRIPLET/pulseaudio:
+    bind: $SNAP/usr/lib/$SNAPCRAFT_ARCH_TRIPLET/pulseaudio
+  /usr/lib/libvirt:
+    bind: $SNAP/usr/lib/libvirt
+  /usr/share/libvirt:
+    bind: $SNAP/usr/share/libvirt
+  /usr/share/qemu:
+    bind: $SNAP/usr/share/qemu
+  # Keystone really wants to look here for its fernet keys for some reason
+  /etc/keystone/fernet-keys:
+    bind: $SNAP_COMMON/fernet-keys
+
 apps:
   # Openstack
   openstack:
     command: openstack-wrapper openstack
-#    plugs:
-#      - network
+    plugs:
+      - network
 
   # OpenStack Service Configuration
   init:
-    # This and other instances of /usr/bin/env are workarounds for
-    # https://bugs.launchpad.net/snapd/+bug/1860369. We force snapcraft
-    # to put us in a wrapper.
-    command: /usr/bin/env microstack_init
-#    plugs:
-#      - network
+    command: microstack_init
+    plugs:
+      - network
+      - mount-observe  # rabbitmq-ctl
+      - network-bind  # rabbitmq-ctl?
+      - firewall-control  # iptables
+      - network-control  # iptables
+      - ssh-keys # write ssh key
+      - system-observe  # rabbitmq ?
+      - hardware-observe  # rabbitmq ?
 
   remove:
-    command: /usr/bin/env microstack_remove
+    command: microstack_remove
 
   # Keystone
   keystone-uwsgi:
-    command: /usr/bin/env snap-openstack launch keystone-uwsgi
+    command: snap-openstack launch keystone-uwsgi
     daemon: simple
-#    plugs:
-#      - network-bind
+    plugs:
+      - network-bind
+      - network
+      - network-control
   keystone-manage:
-    command: /usr/bin/env snap-openstack launch keystone-manage
-#    plugs:
-#      - network
+    command: snap-openstack launch keystone-manage
+    plugs:
+      - network
 
   # Nova
   nova-uwsgi:
-    command: /usr/bin/env snap-openstack launch nova-uwsgi
+    command: snap-openstack launch nova-uwsgi
     daemon: simple
-#    plugs:
-#      - network-bind
+    plugs:
+      - network
+      - network-bind
+      - network-control
   nova-api:
-    command: /usr/bin/env snap-openstack launch nova-api-os-compute
+    command: snap-openstack launch nova-api-os-compute
     daemon: simple
-#    plugs:
-#      - network-bind
+    plugs:
+      - network
+      - network-bind
+      - network-control
   nova-conductor:
-    command: /usr/bin/env snap-openstack launch nova-conductor
+    command: snap-openstack launch nova-conductor
     daemon: simple
-#    plugs:
-#      - network
+    plugs:
+      - network
+      - network-control
   nova-scheduler:
-    command: /usr/bin/env snap-openstack launch nova-scheduler
+    command: snap-openstack launch nova-scheduler
     daemon: simple
-#    plugs:
-#      - network
+    plugs:
+      - network
+      - network-bind
+      - network-control
   nova-compute:
-    command: /usr/bin/env snap-openstack launch nova-compute
+    command: snap-openstack launch nova-compute
     daemon: simple
-#    plugs:
-#      - network-bind
-#      - network-control
-#      - firewall-control
-#      - hardware-observe
-#      - libvirt
-#      - openvswitch
+    plugs:
+      - network
+      - network-bind
+      - network-control
+      - firewall-control
+      - hardware-observe
   nova-api-metadata:
-    command: /usr/bin/env snap-openstack launch nova-api-metadata
+    command: snap-openstack launch nova-api-metadata
     daemon: simple
-#    plugs:
-#      - network-bind
-#      - firewall-control
+    plugs:
+      - network
+      - network-bind
+      - firewall-control
   nova-manage:
-    command: /usr/bin/env snap-openstack launch nova-manage
-#    plugs:
-#      - network
+    command: snap-openstack launch nova-manage
+    plugs:
+      - network
 
   # Neutron
   neutron-api:
-    command: /usr/bin/env snap-openstack launch neutron-server
+    command: snap-openstack launch neutron-server
     daemon: simple
-#    plugs:
-#      - network-bind
+    plugs:
+      - network
+      - network-bind
+      - network-control
   neutron-openvswitch-agent:
-    command: /usr/bin/env snap-openstack launch neutron-openvswitch-agent
+    command: snap-openstack launch neutron-openvswitch-agent
     daemon: simple
-#    plugs:
-#      - network-bind
-#      - network-control
-#      - network-observe
-#      - firewall-control
-#      - process-control
-#      - system-observe
-#      - openvswitch
+    plugs:
+      - network
+      - network-bind
+      - network-control
+      - network-observe
+      - firewall-control
+      - process-control
+      - system-observe
   neutron-l3-agent:
-    command: /usr/bin/env snap-openstack launch neutron-l3-agent
+    command: snap-openstack launch neutron-l3-agent
     daemon: simple
-#    plugs:
-#      - network-bind
-#      - network-control
-#      - network-observe
-#      - firewall-control
-#      - process-control
-#      - system-observe
-#      - openvswitch
+    plugs:
+      - network
+      - network-bind
+      - network-control
+      - network-observe
+      - firewall-control
+      - process-control
+      - system-observe
   neutron-dhcp-agent:
-    command: /usr/bin/env snap-openstack launch neutron-dhcp-agent
+    command: snap-openstack launch neutron-dhcp-agent
     daemon: simple
-#    plugs:
-#      - network
-#      - network-bind
-#      - network-control
-#      - network-observe
-#      - process-control
-#      - system-observe
-#      - openvswitch
+    plugs:
+      - network
+      - network-bind
+      - network-control
+      - network-observe
+      - process-control
+      - system-observe
   neutron-metadata-agent:
-    command: /usr/bin/env snap-openstack launch neutron-metadata-agent
+    command: snap-openstack launch neutron-metadata-agent
     daemon: simple
-#    plugs:
-#      - network
-#      - network-bind
-#      - network-control
+    plugs:
+      - network
+      - network-bind
+      - network-control
   neutron-ovs-cleanup:
-    command: /usr/bin/env snap-openstack launch neutron-ovs-cleanup
-#    plugs:
-#      - network
-#      - network-control
-#      - openvswitch
+    command: snap-openstack launch neutron-ovs-cleanup
+    plugs:
+      - network
+      - network-control
   neutron-netns-cleanup:
-    command: /usr/bin/env snap-openstack launch neutron-netns-cleanup
-#    plugs:
-#      - network
-#      - network-control
+    command: snap-openstack launch neutron-netns-cleanup
+    plugs:
+      - network
+      - network-control
   neutron-db-manage:
-    command: /usr/bin/env snap-openstack launch neutron-db-manage
-#    plugs:
-#      - network
+    command: snap-openstack launch neutron-db-manage
+    plugs:
+      - network
 
   # Glance
   glance-api:
-    command: /usr/bin/env snap-openstack launch glance-api
+    command: snap-openstack launch glance-api
     daemon: simple
-#    plugs:
-#      - network-bind
+    plugs:
+      - network
+      - network-bind
+      - mount-observe
+      - network-control
   registry:
-    command: /usr/bin/env snap-openstack launch glance-registry
+    command: snap-openstack launch glance-registry
     daemon: simple
-#    plugs:
-#      - network
-#      - network-bind
+    plugs:
+      - network
+      - network-bind
+      - network-control
   glance-manage:
-    command: /usr/bin/env snap-openstack launch glance-manage
-#    plugs:
-#      - network
+    command: snap-openstack launch glance-manage
+    plugs:
+      - network
 
   # Openstack Shared Services
   nginx:
-    command: /usr/bin/env snap-openstack launch nginx
+    command: snap-openstack launch nginx
     daemon: forking
-#    plugs:
-#      - network-bind
+    plugs:
+      - network
+      - network-bind
 
   # Openvswitch
   ovs-vswitchd:
@@ -178,149 +212,174 @@ apps:
     stop-command: ovs-wrapper $SNAP/share/openvswitch/scripts/ovs-ctl --no-ovsdb-server stop
     after: [ovsdb-server]
     daemon: forking
-#    plugs:
-#      - network
-#      - network-bind
-#      - network-control
-#      - openvswitch-support
-#      - process-control
-#      - system-trace
+    plugs:
+      - network
+      - network-bind
+      - network-control
+      - openvswitch-support
+      - process-control
+      - system-trace
   ovsdb-server:
     command: ovs-wrapper $SNAP/share/openvswitch/scripts/ovs-ctl --no-ovs-vswitchd --no-monitor --system-id=random start
     stop-command: ovs-wrapper $SNAP/share/openvswitch/scripts/ovs-ctl --no-ovs-vswitchd stop
     daemon: forking
-#    plugs:
-#      - network
-#      - network-bind
-#      - network-control
-#      - openvswitch-support
-#      - process-control
-#      - system-trace
+    plugs:
+      - network
+      - network-bind
+      - network-control
+      - openvswitch-support
+      - process-control
+      - system-trace
   ovs-vsctl:
-    command: ovs-wrapper $SNAP/bin/ovs-vsctl
-#    plugs:
-#      - network
+    command: ovs-wrapper bin/ovs-vsctl
+    plugs:
+      - network
   ovs-appctl:
-    command: ovs-wrapper $SNAP/bin/ovs-appctl
-#    plugs:
-#      - network
+    command: ovs-wrapper bin/ovs-appctl
+    plugs:
+      - network
   ovs-ofctl:
-    command: ovs-wrapper $SNAP/bin/ovs-ofctl
-#    plugs:
-#      - network
+    command: ovs-wrapper bin/ovs-ofctl
+    plugs:
+      - network
   ovs-dpctl:
-    command: ovs-wrapper $SNAP/bin/ovs-dpctl
-#    plugs:
-#      - network
+    command: ovs-wrapper bin/ovs-dpctl
+    plugs:
+      - network
 
   external-bridge:
     command: wait-on-init setup-br-ex
     daemon: oneshot
     after: [ovs-vswitchd]
-#    plugs:
-#      - network
+    plugs:
+      - network
+      - network-control
 
   # Libvirt/Qemu
   libvirtd:
-    command: /usr/bin/env libvirtd
+    command: usr/sbin/libvirtd --pid $SNAP_DATA/libvirt.pid
     daemon: simple
+    plugs:
+      - network
+      - network-bind
+      - network-control
+      - netlink-connector
+      - netlink-audit
   virtlogd:
-    command: /usr/bin/env virtlogd
+    command: virtlogd --pid $SNAP_DATA/virtlogd.pid
     daemon: simple
+    plugs:
+      - network
+      - network-bind
+      - network-control
   virsh:
-    command: /usr/bin/env virsh
+    command: virsh
 
   # MySQL
   mysqld:
     command: mysql-start-server
     daemon: simple
-#    plugs:
-#      - process-control
-#      - network
-#      - network-bind
+    plugs:
+      - process-control
+      - network
+      - network-bind
   mysql:
     command: mysql-start-client
-#    plugs:
-#      - process-control
-#      - network
+    plugs:
+      - process-control
+      - network
 
   # RabbitMQ
   rabbitmq-server:
-    command: /usr/bin/env rabbitmq-server
+    command: rabbitmq-server
     daemon: simple
-#    plugs:
-#      - network-bind
+    plugs:
+      - network-bind
+      - network
+      - mount-observe
+      - log-observe
     environment:
       HOME: $SNAP_COMMON/lib/rabbitmq
   rabbitmqctl:
-    command: /usr/bin/env rabbitmqctl
-#    plugs:
-#      - network
+    command: rabbitmqctl
+    plugs:
+      - network
+      - mount-observe
     environment:
       HOME: $SNAP_COMMON/lib/rabbitmq
   rabbitmq-plugins:
-    command: /usr/bin/env rabbitmq-plugins
+    command: rabbitmq-plugins
     environment:
       HOME: $SNAP_COMMON/lib/rabbitmq
 
   # Memcached
   memcached:
-    command: /usr/bin/env memcached -u root -v
+    command: memcached -u root -v
     daemon: simple
-#    plugs:
-#      - network-bind
+    plugs:
+      - network
+      - network-bind
 
   # Cinder
   cinder-uwsgi:
-    command: /usr/bin/env snap-openstack launch cinder-uwsgi
-#    daemon: simple
-#    plugs:
-#      - network-bind
+    command: snap-openstack launch cinder-uwsgi
+    daemon: simple
+    plugs:
+      - network
+      - network-bind
   cinder-backup:
-    command: /usr/bin/env snap-openstack launch cinder-backup
-#    daemon: simple
-#    plugs:
-#      - network
+    command: snap-openstack launch cinder-backup
+    daemon: simple
+    plugs:
+      - network
+      - mount-observe
   cinder-manage:
-    command: /usr/bin/env snap-openstack launch cinder-manage
-#    plugs:
-#      - network
+    command: snap-openstack launch cinder-manage
+    plugs:
+      - network
+      - mount-observe
   cinder-scheduler:
-    command: /usr/bin/env snap-openstack launch cinder-scheduler
-#    daemon: simple
-#    plugs:
-#      - network
+    command: snap-openstack launch cinder-scheduler
+    daemon: simple
+    plugs:
+      - network
+      - mount-observe
   cinder-volume:
-    command: /usr/bin/env snap-openstack launch cinder-volume
-#    daemon: simple
-#    plugs:
-#      - network
+    command: snap-openstack launch cinder-volume
+    daemon: simple
+    plugs:
+      - network
+      - mount-observe
 
   # Horizon
   horizon-uwsgi:
-    command: /usr/bin/env snap-openstack launch horizon-uwsgi
+    command: snap-openstack launch horizon-uwsgi
     daemon: simple
-#    plugs:
-#      - network-bind
+    plugs:
+      - network
+      - network-bind
 
   # Utility to launch a vm. Creates security groups, floating ips,
   # and other necessities as well.
   launch:
-    command: /usr/bin/env microstack_launch
-#    plugs:
-#      - network
+    command: microstack_launch
+    plugs:
+      - network
 
   # Cluster
   cluster-server:
-    command: /usr/bin/env flask run -p 10002 --host=0.0.0.0 # TODO: run as a uwsgi app
+    command: flask run -p 10002 --host 0.0.0.0 # TODO: run as a uwsgi app
     daemon: simple
     environment:
       LC_ALL: C.UTF-8  # Makes flask happy
       LANG: C.UTF-8  # Makes flask happy
-      FLASK_APP: ${SNAP}/lib/python3.6/site-packages/cluster/daemon.py
+      FLASK_APP: $SNAP/lib/python3.6/site-packages/cluster/daemon.py
+    plugs:
+      - network
+      - network-bind
 
   join:
-    command: /usr/bin/env python3 ${SNAP}/lib/python3.6/site-packages/cluster/client.py
+    command: python3 $SNAP/lib/python3.6/site-packages/cluster/client.py
 
 
   filebeat:
@@ -357,9 +416,10 @@ parts:
     python-version: python3
     after:
       - uca-sources
+      - libvirt
       - patches
     constraints:
-      - https://raw.githubusercontent.com/openstack/requirements/stable/stein/upper-constraints.txt
+      - ${SNAPCRAFT_STAGE}/patches/upper-constraints.txt
     source: http://tarballs.openstack.org/keystone/keystone-stable-stein.tar.gz
     python-packages:
       - libvirt-python
@@ -375,18 +435,23 @@ parts:
       - python-cinderclient
       - python-openstackclient
       - python-swiftclient
+      # Workaround for https://bugs.launchpad.net/snapcraft/+bug/1860768
+      # This is a package required for the launch script, per the bug
+      # above. We include it here so that we don't try to rebuild dist
+      # stuff:
+      - petname
     build-packages:
       - gcc
       - git
       - libffi-dev
       - libssl-dev
-      - libvirt-dev
       - libxml2-dev
       - libxslt1-dev
     stage-packages:
       - conntrack
       - coreutils
       - haproxy
+      - libmagic1
       - python3-dev
       - python3-systemd
     override-prime: |
@@ -401,14 +466,11 @@ parts:
           --input "$patch"
         echo
       done
-      # Uncomment the below line for better python-libvirt debugging output.
-      # patch --batch --forward --strip 1 --input ../project/patches/nova/nova_log_error.patch
       # Now that everything is built, let's disable user site-packages
       # as stated in PEP-0370
       sed -i usr/lib/python3.6/site.py -e 's/^ENABLE_USER_SITE = None$/ENABLE_USER_SITE = False/'
-      # This is the last step, let's now compile all our pyc files.
-      # Ignore errors due to syntax issues in foobar python 2.
-      ./usr/bin/python3.6 -m compileall . || true
+      # Uncomment the below line for better python-libvirt debugging output.
+      # patch --batch --forward --strip 1 --input ../project/patches/nova/nova_log_error.patch
     organize:
       lib/python3.6/site-packages/openstack_dashboard/local/local_settings.py.example: lib/python3.6/site-packages/openstack_dashboard/local/local_settings.py
 
@@ -582,13 +644,46 @@ parts:
       done
       snapcraftctl build
 
+  nginx:
+    source: http://www.nginx.org/download/nginx-1.13.0.tar.gz
+    plugin: autotools
+    after:
+      - patches
+    configflags:
+      - --prefix=/usr
+      - "--http-log-path=/var/snap/$SNAPCRAFT_PROJECT_NAME/common/log/nginx-access.log"
+      - "--error-log-path=/var/snap/$SNAPCRAFT_PROJECT_NAME/common/log/nginx-error.log"
+      - "--lock-path=/var/snap/$SNAPCRAFT_PROJECT_NAME/common/lock/nginx.lock"
+      - "--pid-path=/var/snap/$SNAPCRAFT_PROJECT_NAME/common/run/nginx.pid"
+      - "--http-client-body-temp-path=/var/snap/$SNAPCRAFT_PROJECT_NAME/common/lib/nginx_client_body"
+      - "--http-proxy-temp-path=/var/snap/$SNAPCRAFT_PROJECT_NAME/common/lib/nginx_proxy"
+      - "--http-fastcgi-temp-path=/var/snap/$SNAPCRAFT_PROJECT_NAME/common/lib/nginx_fastcgi"
+      - "--http-uwsgi-temp-path=/var/snap/$SNAPCRAFT_PROJECT_NAME/common/lib/nginx_uwsgi"
+      - "--http-scgi-temp-path=/var/snap/$SNAPCRAFT_PROJECT_NAME/common/lib/nginx_scgi"
+      - --with-http_ssl_module
+    build-packages:
+      - libpcre3-dev
+      - libssl-dev
+      - python-six
+    override-build: |
+      # Apply patches
+      for patch in ${SNAPCRAFT_STAGE}/patches/nginx/*.patch; do
+        echo "Applying $(basename "$patch") ..."
+        patch \
+          --batch \
+          --forward \
+          --strip 1 \
+          --input "$patch"
+        echo
+      done
+      snapcraftctl build
+
   # libvirt/qemu
   qemu:
     source: .
     source-subdir: qemu-3.1+dfsg
     plugin: autotools
     after:
-      - openstack-projects
       - uca-sources
     build-environment:
       # Workaround for https://bugs.launchpad.net/snapcraft/+bug/1860766
@@ -596,6 +691,7 @@ parts:
     stage-packages:
       - seabios
       - ipxe-qemu
+      - freeglut3 # provides libglut.so.3
       - try:
         - libnuma1
         - libspice-server1
@@ -628,6 +724,7 @@ parts:
       - libvorbis0a
       - libvorbisenc2
       - libx11-6
+      - libxi6
       - libxau6
       - libxcb1
       - libxdmcp6
@@ -668,7 +765,7 @@ parts:
       - gcc
     configflags:
       - --disable-blobs
-      - --prefix=/snap/$SNAPCRAFT_PROJECT_NAME/current
+      - --prefix=/usr
       - --localstatedir=/var/snap/$SNAPCRAFT_PROJECT_NAME/common
       - --sysconfdir=/var/snap/$SNAPCRAFT_PROJECT_NAME/common
       - --firmwarepath=/snap/$SNAPCRAFT_PROJECT_NAME/current/usr/share/seabios:/snap/$SNAPCRAFT_PROJECT_NAME/current/usr/share/qemu:/snap/$SNAPCRAFT_PROJECT_NAME/current/usr/lib/ipxe/qemu
@@ -677,18 +774,12 @@ parts:
       - --enable-system
       - --target-list=x86_64-softmmu
     override-build: |
-      # I think that snapcraft is creating this dir, which breaks the below.xo
+      # I think that snapcraft is creating this dir, which breaks the below.
       rm -Rf qemu-3.1+dfsg
       apt source qemu
       # Fix issue with running apt source as root
       dpkg-source --before-build qemu-3.1+dfsg
       snapcraftctl build
-    organize:
-      # Hack to shift installed qemu back to root of snap
-      # required to ensure that pathing to files etc works at
-      # runtime
-      # * is not used to avoid directory merge conflicts
-      snap/microstack/current/: ./
 
   kvm-support:
     plugin: nil
@@ -699,7 +790,6 @@ parts:
     source: .
     source-subdir: libvirt-5.0.0
     after:
-      - openstack-projects
       - qemu
       - uca-sources
     plugin: autotools
@@ -730,6 +820,7 @@ parts:
     stage-packages:
     - dmidecode
     - dnsmasq
+    - iptables
     - libxml2
     - libyajl2
     - try: [libnuma1]
@@ -755,7 +846,7 @@ parts:
     - --without-storage-rbd
     - --without-storage-lvm
     - --without-selinux
-    - --prefix=/snap/$SNAPCRAFT_PROJECT_NAME/current
+    - --prefix=/usr
     - --localstatedir=/var/snap/$SNAPCRAFT_PROJECT_NAME/common
     - --sysconfdir=/var/snap/$SNAPCRAFT_PROJECT_NAME/common
     - DNSMASQ=/snap/$SNAPCRAFT_PROJECT_NAME/current/usr/sbin/dnsmasq
@@ -770,12 +861,6 @@ parts:
       # Fix issue with running apt source as root
       dpkg-source --before-build libvirt-5.0.0
       snapcraftctl build
-    organize:
-      # Hack to shift installed libvirt back to root of snap
-      # required to ensure that pathing to files etc works at
-      # runtime
-      # * is not used to avoid directory merge conflicts
-      snap/microstack/current/: ./
 
   # MySQL
   mysql-server:
@@ -832,6 +917,11 @@ parts:
     requirements:
       - requirements.txt  # Relative to source path, so tools/init/req...txt
     source: tools/init
+    override-build: |
+      # Hack to avoid conflict between openstack-projects'
+      # site-customize and this one.
+      snapcraftctl build
+      rm $SNAPCRAFT_PART_INSTALL/usr/lib/python3.6/sitecustomize.py
 
   # Launch script
   launch:
@@ -839,10 +929,12 @@ parts:
     python-version: python3
     requirements:
       - requirements.txt
-    stage-packages:
-      # Workaround for https://bugs.launchpad.net/snapcraft/+bug/1860768
-      - petname
     source: tools/launch
+    override-build: |
+      # Hack to avoid conflict between openstack-projects'
+      # site-customize and this one.
+      snapcraftctl build
+      rm $SNAPCRAFT_PART_INSTALL/usr/lib/python3.6/sitecustomize.py
 
   # Clustering client and server
   cluster:
@@ -850,7 +942,14 @@ parts:
     python-version: python3
     requirements:
       - requirements.txt
+    constraints:
+      - ${SNAPCRAFT_STAGE}/patches/upper-constraints.txt
     source: tools/cluster
+    override-build: |
+      # Hack to avoid conflict between openstack-projects'
+      # site-customize and this one.
+      snapcraftctl build
+      rm $SNAPCRAFT_PART_INSTALL/usr/lib/python3.6/sitecustomize.py
 
   ### LMA stack ###
   filebeat:
@@ -910,3 +1009,12 @@ parts:
     source: ./checks
     organize:
       check_systemd.py: usr/lib/nagios/plugins/check_systemd.py
+
+
+hooks:
+  install:
+    plugs: [network]
+  configure:
+    plugs: [network]
+  post-refresh:
+    plugs: [network]

tests/framework.py

@@ -96,8 +96,8 @@ class Host():
             snap = self.snap
         print("Installing {}".format(snap))
 
-        check(*self.prefix, 'sudo', 'snap', 'install', '--classic',
-              '--{}'.format(channel), snap)
+        check(*self.prefix, 'sudo', 'snap', 'install',
+              '--devmode', '--{}'.format(channel), snap)
 
     def init(self, flag='auto'):
         print("Initializing the snap with --{}".format(flag))

tools/init/init/main.py

@@ -38,7 +38,7 @@ import sys
 from functools import wraps
 
 from init.config import log
-from init.shell import default_network, check, check_output
+from init.shell import default_network, call, check, check_output
 
 from init import questions
 
@@ -103,11 +103,25 @@ def process_init_args(args):
     return auto
 
 
+def find_missing_plugs():
+    missing = []
+    if not call('snapctl', 'is-connected', 'openvswitch-support'):
+        missing.append("microstack:openvswitch-support")
+    return missing
+
+
 @requires_sudo
 def init() -> None:
     args = parse_init_args()
     auto = process_init_args(args)
 
+    # missing_plugs = find_missing_plugs()
+    # for plug in missing_plugs:
+    #    log.critical("Missing {plug}. Please run snap connect "
+    #                 "{plug} to continue".format(plug=plug))
+    # if missing_plugs:
+    #   sys.exit(1)
+
     question_list = [
         questions.Clustering(),
         questions.Dns(),
@@ -124,7 +138,6 @@ def init() -> None:
         questions.NovaControlPlane(),
         questions.NeutronControlPlane(),
         questions.GlanceSetup(),
-        questions.KeyPair(),
         questions.SecurityRules(),
         questions.PostSetup(),
         questions.ExtraServicesQuestion(),

tools/init/init/questions/__init__.py

@@ -27,8 +27,8 @@ import json
 from time import sleep
 from os import path
 
-from init.shell import (check, call, check_output, shell, sql, nc_wait,
-                        log_wait, restart, download)
+from init.shell import (check, call, check_output, sql, nc_wait, log_wait,
+                        restart, download)
 from init.config import Env, log
 from init.questions.question import Question
 from init.questions import clustering, network, uninstall  # noqa F401
@@ -104,7 +104,7 @@ class Clustering(Question):
         # Turn off cluster server
         # TODO: it would be more secure to reverse this -- only enable
         # to service if we are doing clustering.
-        check('systemctl', 'disable', 'snap.microstack.cluster-server')
+        check('snapctl', 'stop', '--disable', 'microstack.cluster-server')
 
 
 class ConfigQuestion(Question):
@@ -174,6 +174,10 @@ class NetworkSettings(Question):
     def yes(self, answer):
         log.info('Configuring networking ...')
 
+        # OpenvSwitch services may not have started up properly
+        restart('ovsdb-server')
+        restart('ovs-vswitchd')
+
         network.ExtGateway().ask()
         network.ExtCidr().ask()
 
@@ -267,6 +271,7 @@ class RabbitMq(Question):
     config_key = 'config.services.control-plane'
 
     def _wait(self) -> None:
+        restart('rabbitmq-server')  # Restart server for plugs
         rabbit_port = check_output(
             'snapctl', 'get', 'config.network.ports.rabbit')
         nc_wait(_env['control_ip'], rabbit_port)
@@ -279,9 +284,7 @@ class RabbitMq(Question):
         (actions may have already been run, in which case we fail silently).
         """
         # Configure RabbitMQ
-        call('microstack.rabbitmqctl', 'add_user', 'openstack', 'rabbitmq')
-        shell(
-            'microstack.rabbitmqctl set_permissions openstack ".*" ".*" ".*"')
+        check('{SNAP}/bin/setup-rabbit'.format(**_env))
 
     def yes(self, answer: str) -> None:
         log.info('Waiting for RabbitMQ to start ...')
@@ -293,7 +296,7 @@ class RabbitMq(Question):
 
     def no(self, answer: str):
         log.info('Disabling local rabbit ...')
-        check('systemctl', 'disable', 'snap.microstack.rabbitmq-server')
+        check('snapctl', 'stop', '--disable', 'microstack.rabbitmq-server')
 
 
 class DatabaseSetup(Question):
@@ -361,7 +364,7 @@ class DatabaseSetup(Question):
               '--keystone-group', 'root')
         check('snap-openstack', 'launch', 'keystone-manage', 'db_sync')
 
-        restart('keystone-*')
+        restart('keystone-uwsgi')
 
         log.info('Bootstrapping Keystone ...')
         self._bootstrap()
@@ -379,7 +382,7 @@ class DatabaseSetup(Question):
         check('snapctl', 'set', 'database.ready=true')
 
         log.info('Disabling local MySQL ...')
-        check('systemctl', 'disable', 'snap.microstack.mysqld')
+        check('snapctl', 'stop', '--disable', 'microstack.mysqld')
 
 
 class NovaHypervisor(Question):
@@ -405,7 +408,7 @@ class NovaHypervisor(Question):
 
     def no(self, answer):
         log.info('Disabling nova compute service ...')
-        check('systemctl', 'disable', 'snap.microstack.nova-compute')
+        check('snapctl', 'stop', '--disable', 'microstack.nova-compute')
 
 
 class NovaControlPlane(Question):
@@ -465,10 +468,6 @@ class NovaControlPlane(Question):
         # list automagically.
         for service in [
                 'microstack.nova-api',
-                'microstack.nova-api-metadata',
-                'microstack.nova-conductor',
-                'microstack.nova-scheduler',
-                'microstack.nova-uwsgi',
         ]:
             check('snapctl', 'start', service)
 
@@ -488,7 +487,16 @@ class NovaControlPlane(Question):
 
         check('snap-openstack', 'launch', 'nova-manage', 'db', 'sync')
 
-        restart('nova-*')
+        restart('nova-api')
+        restart('nova-compute')
+
+        for service in [
+                'microstack.nova-api-metadata',
+                'microstack.nova-conductor',
+                'microstack.nova-scheduler',
+                'microstack.nova-uwsgi',
+        ]:
+            check('snapctl', 'start', service)
 
         nc_wait(_env['compute_ip'], '8774')
 
@@ -501,13 +509,13 @@ class NovaControlPlane(Question):
         log.info('Disabling nova control plane services ...')
 
         for service in [
-                'snap.microstack.nova-uwsgi',
-                'snap.microstack.nova-api',
-                'snap.microstack.nova-conductor',
-                'snap.microstack.nova-scheduler',
-                'snap.microstack.nova-api-metadata']:
+                'microstack.nova-uwsgi',
+                'microstack.nova-api',
+                'microstack.nova-conductor',
+                'microstack.nova-scheduler',
+                'microstack.nova-api-metadata']:
 
-            check('systemctl', 'disable', service)
+            check('snapctl', 'stop', '--disable', service)
 
 
 class NeutronControlPlane(Question):
@@ -545,7 +553,14 @@ class NeutronControlPlane(Question):
         check('snap-openstack', 'launch', 'neutron-db-manage', 'upgrade',
               'head')
 
-        restart('neutron-*')
+        for service in [
+                'microstack.neutron-api',
+                'microstack.neutron-dhcp-agent',
+                'microstack.neutron-l3-agent',
+                'microstack.neutron-metadata-agent',
+                'microstack.neutron-openvswitch-agent',
+        ]:
+            check('snapctl', 'restart', service)
 
         nc_wait(_env['control_ip'], '9696')
 
@@ -587,12 +602,12 @@ class NeutronControlPlane(Question):
 
         # Disable the other services.
         for service in [
-                'snap.microstack.neutron-api',
-                'snap.microstack.neutron-dhcp-agent',
-                'snap.microstack.neutron-metadata-agent',
-                'snap.microstack.neutron-l3-agent',
+                'microstack.neutron-api',
+                'microstack.neutron-dhcp-agent',
+                'microstack.neutron-metadata-agent',
+                'microstack.neutron-l3-agent',
         ]:
-            check('systemctl', 'disable', service)
+            check('snapctl', 'stop', '--disable', service)
 
 
 class GlanceSetup(Question):
@@ -652,7 +667,8 @@ class GlanceSetup(Question):
 
         check('snap-openstack', 'launch', 'glance-manage', 'db_sync')
 
-        restart('glance*')
+        restart('glance-api')
+        restart('registry')
 
         nc_wait(_env['compute_ip'], '9292')
 
@@ -661,37 +677,8 @@ class GlanceSetup(Question):
         self._fetch_cirros()
 
     def no(self, answer):
-        check('systemctl', 'disable', 'snap.microstack.glance-api')
-        check('systemctl', 'disable', 'snap.microstack.registry')
-
-
-class KeyPair(Question):
-    """Create a keypair for ssh access to instances.
-
-    TODO: split the asking from executing of questions, as ask about
-    this up front. (This needs to run at the end, but for user
-    experience reasons, we really want to ask all the non auto
-    questions at the beginning.)
-    """
-    _type = 'string'
-    config_key = 'config.credentials.key-pair'
-
-    def yes(self, answer: str) -> None:
-
-        if 'microstack' not in check_output('openstack', 'keypair', 'list'):
-            user = check_output('logname')
-            home = '/home/{}'.format(user)  # TODO make more portable!
-
-            log.info('Creating microstack keypair (~/.ssh/{})'.format(answer))
-            check('mkdir', '-p', '{home}/.ssh'.format(home=home))
-            check('chmod', '700', '{home}/.ssh'.format(home=home))
-            id_ = check_output('openstack', 'keypair', 'create', 'microstack')
-            id_path = '{home}/.ssh/{answer}'.format(home=home, answer=answer)
-
-            with open(id_path, 'w') as file_:
-                file_.write(id_)
-            check('chmod', '600', id_path)
-            check('chown', '{}:{}'.format(user, user), id_path)
+        check('snapctl', 'stop', '--disable', 'microstack.glance-api')
+        check('snapctl', 'stop', '--disable', 'microstack.registry