tests: adds a scenario to test a xenial 1mon 1osd 1mds 1rgw cluster

This scenario duplicates what we are currently doing with our
ceph-ansible testing using OVH and a single node, except now
we are using 4 separate nodes.

Signed-off-by: Andrew Schoen <aschoen@redhat.com>

Resolves: vagrant#boxes

tests/functional/ubuntu/16.04/mon-osd-mds-rgw/Vagrantfile

@@ -0,0 +1 @@
+../../../../../Vagrantfile

tests/functional/ubuntu/16.04/mon-osd-mds-rgw/group_vars/all

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+---
+
+ceph_stable: True
+public_network: "192.168.42.0/24"
+cluster_network: "192.168.43.0/24"
+journal_size: 100
+devices:
+  - '/dev/sdb'
+  - '/dev/sdc'
+journal_collocation: True
+os_tuning_params:
+  - { name: kernel.pid_max, value: 4194303 }
+  - { name: fs.file-max, value: 26234859 }

tests/functional/ubuntu/16.04/mon-osd-mds-rgw/group_vars/osds

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+---
+os_tuning_params:
+  - { name: kernel.pid_max, value: 4194303 }
+  - { name: fs.file-max, value: 26234859 }

tests/functional/ubuntu/16.04/mon-osd-mds-rgw/hosts

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+[mons]
+mon0 monitor_interface=eth1
+
+[osds]
+osd0
+
+[mdss]
+mds0
+
+[rgws]
+rgw0

tests/functional/ubuntu/16.04/mon-osd-mds-rgw/scenario.py

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+# Basic information about ceph and its configuration
+ceph = {
+    'releases': ['infernalis', 'jewel'],
+    'cluster_name': 'ceph'
+}
+
+# remote nodes to test, with anything specific to them that might be useful for
+# tests to get. Each one of these can get requested as a py.test fixture to
+# validate information.
+nodes = {
+    'mon0': {
+        'username': 'vagrant',
+        'components': ['mon', 'mon_initial_members']
+    },
+    'osd0': {
+        'username': 'vagrant',
+        'components': []
+    },
+    'mds0': {
+        'username': 'vagrant',
+        'components': []
+    },
+    'rgw0': {
+        'username': 'vagrant',
+        'components': []
+    },
+}

tests/functional/ubuntu/16.04/mon-osd-mds-rgw/vagrant_variables.yml

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+---
+
+# DEPLOY CONTAINERIZED DAEMONS
+docker: false
+
+# DEFINE THE NUMBER OF VMS TO RUN
+mon_vms: 1
+osd_vms: 1
+mds_vms: 1
+rgw_vms: 1
+nfs_vms: 0
+rbd_mirror_vms: 0
+client_vms: 0
+iscsi_gw_vms: 0
+
+# Deploy RESTAPI on each of the Monitors
+restapi: true
+
+# INSTALL SOURCE OF CEPH
+# valid values are 'stable' and 'dev'
+ceph_install_source: stable
+
+# SUBNETS TO USE FOR THE VMS
+public_subnet: 192.168.42
+cluster_subnet: 192.168.43
+
+# MEMORY
+# set 1024 for CentOS
+memory: 512
+
+# Ethernet interface name
+# use eth1 for libvirt and ubuntu precise, enp0s8 for CentOS and ubuntu xenial
+eth: 'eth1'
+
+# Disks
+# For libvirt use disks: "[ '/dev/vdb', '/dev/vdc' ]"
+# For CentOS7 use disks: "[ '/dev/sda', '/dev/sdb' ]"
+disks: "[ '/dev/sdb', '/dev/sdc' ]"
+
+# VAGRANT BOX
+# Ubuntu: bento/ubuntu-16.04 or ubuntu/trusty64 or ubuntu/wily64
+# CentOS: bento/centos-7.1 or puppetlabs/centos-7.0-64-puppet
+# libvirt CentOS: centos/7
+# parallels Ubuntu: parallels/ubuntu-14.04
+# Debian: deb/jessie-amd64 - be careful the storage controller is named 'SATA Controller'
+# For more boxes have a look at:
+#   - https://atlas.hashicorp.com/boxes/search?utf8=✓&sort=&provider=virtualbox&q=
+#   - https://download.gluster.org/pub/gluster/purpleidea/vagrant/
+vagrant_box: yk0/ubuntu-xenial
+#ssh_private_key_path: "~/.ssh/id_rsa"
+# The sync directory changes based on vagrant box
+# Set to /home/vagrant/sync for Centos/7, /home/{ user }/vagrant for openstack and defaults to /vagrant
+#vagrant_sync_dir: /home/vagrant/sync
+#vagrant_sync_dir: /
+# VAGRANT URL
+# This is a URL to download an image from an alternate location.  vagrant_box
+# above should be set to the filename of the image.
+# Fedora virtualbox: https://download.fedoraproject.org/pub/fedora/linux/releases/22/Cloud/x86_64/Images/Fedora-Cloud-Base-Vagrant-22-20150521.x86_64.vagrant-virtualbox.box
+# Fedora libvirt: https://download.fedoraproject.org/pub/fedora/linux/releases/22/Cloud/x86_64/Images/Fedora-Cloud-Base-Vagrant-22-20150521.x86_64.vagrant-libvirt.box
+# vagrant_box_url: https://download.fedoraproject.org/pub/fedora/linux/releases/22/Cloud/x86_64/Images/Fedora-Cloud-Base-Vagrant-22-20150521.x86_64.vagrant-virtualbox.box
+
+os_tuning_params:
+  - { name: kernel.pid_max, value: 4194303 }
+  - { name: fs.file-max, value: 26234859 }