ci(kitchen+travis): modify matrix to include develop platform

* Use balanced matrix based on `template-formula` guidelines
* Initial ref: saltstack-formulas/template-formula#118

.travis.yml

@@ -11,28 +11,34 @@ language: ruby
 services:
   - docker
 
-before_install:
-  - gem install bundler
-  - bundle install
-
 # Make sure the instances listed below match up with
 # the `platforms` defined in `kitchen.yml`
 env:
   matrix:
-    - INSTANCE: v2019-2-py3-debian-9
-    - INSTANCE: v2019-2-py3-ubuntu-1804
-    - INSTANCE: v2019-2-py2-centos-7
-    - INSTANCE: v2019-2-py2-fedora-29
-
-    - INSTANCE: v2018-3-py2-debian-8
-    - INSTANCE: v2018-3-py2-ubuntu-1604
-    - INSTANCE: v2018-3-py2-bootstrap-centos-6
-    - INSTANCE: v2018-3-py2-forced-version-fedora-28
-    - INSTANCE: v2018-3-py2-opensuse-423
-
-    - INSTANCE: v2017-7-py2-debian-8
-    - INSTANCE: v2017-7-py2-ubuntu-1604
-    - INSTANCE: v2017-7-py2-bootstrap-centos-6
+    - INSTANCE: default-debian-9-develop-py3
+    # - INSTANCE: default-ubuntu-1804-develop-py3
+    # - INSTANCE: default-centos-7-develop-py3
+    # - INSTANCE: default-fedora-29-develop-py3
+    # - INSTANCE: default-opensuse-leap-15-develop-py3
+    # - INSTANCE: default-debian-9-2019-2-py3
+    - INSTANCE: default-ubuntu-1804-2019-2-py3
+    - INSTANCE: default-centos-7-2019-2-py3
+    # - INSTANCE: default-fedora-29-2019-2-py3
+    # - INSTANCE: default-opensuse-leap-15-2019-2-py3
+    # - INSTANCE: default-debian-9-2018-3-py2
+    # - INSTANCE: default-ubuntu-1604-2018-3-py2
+    # - INSTANCE: default-centos-7-2018-3-py2
+    - INSTANCE: default-fedora-29-2018-3-py2
+    # TODO: Use this when fixed instead of `opensuse-leap-42`
+    # Ref: https://github.com/netmanagers/salt-image-builder/issues/2
+    # - INSTANCE: default-opensuse-leap-15-2018-3-py2
+    - INSTANCE: default-opensuse-leap-42-2018-3-py2
+    # - INSTANCE: default-debian-8-2017-7-py2
+    # - INSTANCE: default-ubuntu-1604-2017-7-py2
+    # TODO: Enable after improving the formula to work with other than `systemd`
+    - INSTANCE: default-centos-6-2017-7-py2
+    # - INSTANCE: default-fedora-28-2017-7-py2
+    # - INSTANCE: default-opensuse-leap-42-2017-7-py2
 
 script:
   - bundle exec kitchen verify ${INSTANCE}
@@ -69,4 +75,3 @@ jobs:
         script:
           # Run `semantic-release`
           - npx semantic-release@15
-

kitchen.yml

@@ -1,37 +1,115 @@
+# -*- coding: utf-8 -*-
+# vim: ft=yaml
 ---
+# For help on this file's format, see https://kitchen.ci/
 driver:
   name: docker
   use_sudo: false
   privileged: true
-  provision_command: mkdir -p /run/sshd
   run_command: /lib/systemd/systemd
 
+# Make sure the platforms listed below match up with
+# the `env.matrix` instances defined in `.travis.yml`
 platforms:
-  # Latest distros
-  - name: debian-9
-  - name: ubuntu-18.04
-  - name: centos-7
-  - name: fedora-29
-  - name: opensuse-42.3
+  ## SALT `develop`
+  - name: debian-9-develop-py3
     driver:
-      run_command: /usr/lib/systemd/systemd
+      image: netmanagers/salt-develop-py3:debian-9
+      provision_command:
+        - curl -o bootstrap-salt.sh -L https://bootstrap.saltstack.com
+        - sh bootstrap-salt.sh -XdPbfrq -x python3 git develop
+  - name: ubuntu-1804-develop-py3
+    driver:
+      image: netmanagers/salt-develop-py3:ubuntu-18.04
+      provision_command:
+        - curl -o bootstrap-salt.sh -L https://bootstrap.saltstack.com
+        - sh bootstrap-salt.sh -XdPbfrq -x python3 git develop
+  - name: centos-7-develop-py3
+    driver:
+      image: netmanagers/salt-develop-py3:centos-7
       provision_command:
-        - systemctl enable sshd.service
+        - curl -o bootstrap-salt.sh -L https://bootstrap.saltstack.com
+        - sh bootstrap-salt.sh -XdPbfrq -x python3 git develop
+  - name: fedora-29-develop-py3
+    driver:
+      image: netmanagers/salt-develop-py3:fedora-29
+      provision_command:
+        - curl -o bootstrap-salt.sh -L https://bootstrap.saltstack.com
+        - sh bootstrap-salt.sh -XdPbfrq -x python3 git develop
+  - name: opensuse-leap-15-develop-py3
+    driver:
+      image: netmanagers/salt-develop-py3:opensuse-leap-15
+      provision_command:
+        - curl -o bootstrap-salt.sh -L https://bootstrap.saltstack.com
+        - sh bootstrap-salt.sh -XdPbfrq -x python3 git develop
+      run_command: /usr/lib/systemd/systemd
 
-  # Previous distros
-  - name: debian-8
-  - name: ubuntu-16.04
-  - name: fedora-28
-  # centos-6 guest fails on Debian hosts due to vsyscall issues, see
-  # https://hub.docker.com/_/centos, "A note about vsyscall"
-  - name: centos-6
+  ## SALT 2019.2
+  - name: debian-9-2019-2-py3
+    driver:
+      image: netmanagers/salt-2019.2-py3:debian-9
+  - name: ubuntu-1804-2019-2-py3
+    driver:
+      image: netmanagers/salt-2019.2-py3:ubuntu-18.04
+  - name: centos-7-2019-2-py3
+    driver:
+      image: netmanagers/salt-2019.2-py3:centos-7
+  - name: fedora-29-2019-2-py3
+    driver:
+      image: netmanagers/salt-2019.2-py3:fedora-29
+  - name: opensuse-leap-15-2019-2-py3
+    driver:
+      image: netmanagers/salt-2019.2-py3:opensuse-leap-15
+      run_command: /usr/lib/systemd/systemd
+
+  ## SALT 2018.3
+  - name: debian-9-2018-3-py2
+    driver:
+      image: netmanagers/salt-2018.3-py2:debian-9
+  - name: ubuntu-1604-2018-3-py2
+    driver:
+      image: netmanagers/salt-2018.3-py2:ubuntu-16.04
+  - name: centos-7-2018-3-py2
+    driver:
+      image: netmanagers/salt-2018.3-py2:centos-7
+  - name: fedora-29-2018-3-py2
     driver:
+      image: netmanagers/salt-2018.3-py2:fedora-29
+  # TODO: Use this when fixed instead of `opensuse-leap-42`
+  # Ref: https://github.com/netmanagers/salt-image-builder/issues/2
+  # - name: opensuse-leap-15-2018-3-py2
+  #   driver:
+  #     image: netmanagers/salt-2018.3-py2:opensuse-leap-15
+  #     run_command: /usr/lib/systemd/systemd
+  - name: opensuse-leap-42-2018-3-py2
+    driver:
+      image: netmanagers/salt-2018.3-py2:opensuse-leap-42
+      run_command: /usr/lib/systemd/systemd
+
+  ## SALT 2017.7
+  - name: debian-8-2017-7-py2
+    driver:
+      image: netmanagers/salt-2017.7-py2:debian-8
+  - name: ubuntu-1604-2017-7-py2
+    driver:
+      image: netmanagers/salt-2017.7-py2:ubuntu-16.04
+  # TODO: Modify the formula to work for non-`systemd` platforms
+  - name: centos-6-2017-7-py2
+    driver:
+      image: netmanagers/salt-2017.7-py2:centos-6
       run_command: /sbin/init
+  - name: fedora-28-2017-7-py2
+    driver:
+      image: netmanagers/salt-2017.7-py2:fedora-28
+  - name: opensuse-leap-42-2017-7-py2
+    driver:
+      image: netmanagers/salt-2017.7-py2:opensuse-leap-42
+      run_command: /usr/lib/systemd/systemd
 
 provisioner:
   name: salt_solo
   log_level: info
-  salt_version: latest
+  salt_install: none
   require_chef: false
   formula: collectd
   salt_copy_filter:
@@ -50,145 +128,14 @@ provisioner:
     collectd.sls: test/salt/default/pillar/collectd.sls
 
 verifier:
+  # https://www.inspec.io/
   name: inspec
   sudo: true
+  # cli, documentation, html, progress, json, json-min, json-rspec, junit
   reporter:
     - cli
+  inspec_tests:
+    - path: test/integration/default
 
 suites:
-  # Latest distros, latest salt, python3
-  # These distros have py3 packages available in salt's repo
-  - name: v2019-2-py3
-    includes:
-      - debian-9
-      - ubuntu-18.04
-    provisioner:
-      salt_bootstrap_options: -X -x python3 -d git %s
-      salt_version: '2019.2'
-      pillars:
-        salt.sls:
-          salt:
-            release: '2019.2'
-            py_ver: 'py3'
-
-    verifier:
-      inspec_tests:
-        #- path: test/integration/2019-2
-        - path: test/integration/default
-
-  # Latest distros, latest salt, python2
-  # Fedora ships updated py2 versions in their own repos
-  - name: v2019-2-py2
-    includes:
-      - centos-7
-      - fedora-29
-    provisioner:
-      salt_version: '2019.2'
-      pillars:
-        salt.sls:
-          salt:
-            release: '2019.2'
-            py_ver: 'py2'
-
-    verifier:
-      inspec_tests:
-        #- path: test/integration/2019-2
-        - path: test/integration/default
-
-  # Previous distros, previous salt, python2
-  - name: v2018-3-py2
-    includes:
-      - debian-8
-      - ubuntu-16.04
-      - opensuse-42.3
-    provisioner:
-      # We require an old version of salt in the provisioner or,
-      # the salt formula fails to downgrade to the desired version to test
-      salt_version: '2018.3'
-      pillars:
-        salt.sls:
-          salt:
-            release: '2018.3'
-            py_ver: 'py2'
-    verifier:
-      inspec_tests:
-        #- path: test/integration/2018-3
-        - path: test/integration/default
-
-  # centos-6 ships with python2.6, so it requires extra bootstrapping parameters
-  # to install python2.7
-  - name: v2018-3-py2-bootstrap
-    includes:
-      - centos-6
-    provisioner:
-      salt_bootstrap_options: -X -d stable %s
-      salt_version: '2018.3'
-      pillars:
-        salt.sls:
-          salt:
-            release: '2018.3'
-            py_ver: 'py2'
-    verifier:
-      inspec_tests:
-        #- path: test/integration/2018-3
-        - path: test/integration/default
-
-  # To tests fedora 28 & salt v2018.2, we need to force the package version
-  # otherwise the image, which includes the 'updates' repo, will install 2019.2
-  - name: v2018-3-py2-forced-version
-    includes:
-      - fedora-28
-    provisioner:
-      # We require an old version of salt in the provisioner or,
-      # the salt formula fails to downgrade to the desired version to test
-      salt_version: '2018.3'
-      pillars:
-        salt.sls:
-          salt:
-            release: '2018.3'
-            py_ver: 'py2'
-            version: '2018.3.0-1.fc28'
-
-    verifier:
-      inspec_tests:
-        #- path: test/integration/2018-3
-        - path: test/integration/default
-
-  # Previous distros, oldest salt, python2
-  - name: v2017-7-py2
-    includes:
-      - debian-8
-      - ubuntu-16.04
-    provisioner:
-      # We require an old version of salt in the provisioner or,
-      # the salt formula fails to downgrade to the desired version to test
-      salt_version: '2017.7'
-      pillars:
-        salt.sls:
-          salt:
-            release: '2017.7'
-            py_ver: 'py2'
-    verifier:
-      inspec_tests:
-        #- path: test/integration/2017-7
-        - path: test/integration/default
-
-  # centos-6 ships with python2.6, so it requires extra bootstrapping parameters
-  # to install python2.7
-  - name: v2017-7-py2-bootstrap
-    includes:
-      - centos-6
-    provisioner:
-      # As centos-6 ships with python2.6, we use the bootstrapper to install python2.7
-      salt_bootstrap_options: -X -d stable %s
-      salt_version: '2017.7'
-      pillars:
-        salt.sls:
-          salt:
-            release: '2017.7'
-            py_ver: 'py2'
-    verifier:
-      inspec_tests:
-        #- path: test/integration/2017-7
-        - path: test/integration/default
-
+  - name: default