support for systemd in kitchen

.kitchen.yml

@@ -9,11 +9,20 @@ driver_config:
 
 platforms:
   - name: debian-9
+    driver_config:
+      run_command: /lib/systemd/systemd
+      provision_command:
+        - apt-get install udev -y
   - name: ubuntu-17.10
+    driver_config:
+      run_command: /lib/systemd/systemd
   - name: fedora-27
+    driver_config:
+      run_command: /usr/lib/systemd/systemd
   - name: centos-7
     driver_config:
       image: saltstack/centos-7-minimal
+      run_command: /usr/lib/systemd/systemd
 
 provisioner:
   name: salt_solo

packages/defaults.yaml

@@ -23,7 +23,8 @@ packages:
       pkgs: []
   snaps:
     package: snapd
-    collides: ['snap',]
+    collides: []
+    symlink: False
     service: ['snapd.service', 'snapd.socket',]
     wanted: []
     unwanted: []

packages/osmap.yaml

@@ -10,4 +10,6 @@ Fedora:
         - gcc
         - python2-pip
         - python2-devel
-
+  snaps:
+    collides: ['snap',]
+    symlink: True

packages/snaps.sls

@@ -6,7 +6,9 @@
 {% set wanted_snaps = packages.snaps.wanted %}
 {% set unwanted_snaps = packages.snaps.unwanted %}
 
-### REQ PKGS (without these, some WANTED SNAPS fail to install/uninstall)
+{% if packages.snaps.wanted or packages.snaps.unwanted %}
+
+### REQ PKGS (without this, SNAPS can fail to install/uninstall)
 include:
   - packages.pkgs
 
@@ -30,19 +32,32 @@ extend:
       {% endfor %}
     {% endif %}
 
-{% for snap in packages.snaps.service %}
+   {% if packages.snaps.symlink %}
+     {# classic confinement requires snaps under /snap or symlink from #}
+     {# /snap to /var/lib/snapd/snap #}
+packages-snap-classic-symlink:
+  file.symlink:
+    - name: /snap
+    - target: /var/lib/snapd/snap
+    - unless: test -d /snap
+    - require:
+      - pkg: pkg_req_pkgs
+      - pkg: unwanted_pkgs
+   {% endif %}
+
+   {% for snap in packages.snaps.service %}
 packages-{{ snap }}-service:
   service.running:
     - name: {{ snap }}
     - enable: true
     - require:
       - pkg: pkg_req_pkgs
       - pkg: unwanted_pkgs
-{% endfor %}
+   {% endfor %}
   
 ### SNAPS to install
 
-{% for snap in wanted_snaps %}
+  {% for snap in wanted_snaps %}
 packages-snapd-{{ snap }}-wanted:
   cmd.run:
     - name: snap install {{ snap }}
@@ -51,11 +66,11 @@ packages-snapd-{{ snap }}-wanted:
     - require:
       - pkg: pkg_req_pkgs
       - pkg: unwanted_pkgs
-{% endfor %}
+  {% endfor %}
 
 ### SNAPS to uninstall
 
-{% for snap in unwanted_snaps %}
+  {% for snap in unwanted_snaps %}
 packages-snapd-{{ snap }}-unwanted:
   cmd.run:
     - name: snap remove {{ snap }}
@@ -64,5 +79,6 @@ packages-snapd-{{ snap }}-unwanted:
     - require:
       - pkg: pkg_req_pkgs
       - pkg: unwanted_pkgs
-{% endfor %}
+  {% endfor %}
 
+{% endif %}