1 files changed, 107 insertions, 0 deletions
diff --git a/deploy/environments/libvirt_environment.py b/deploy/environments/libvirt_environment.py
new file mode 100644
index 000000000..af2d3f8fb
--- /dev/null
+++ b/deploy/environments/libvirt_environment.py
@@ -0,0 +1,107 @@
+###############################################################################
+# Copyright (c) 2015 Ericsson AB and others.
+# szilard.cserey@ericsson.com
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+###############################################################################
+
+
+from lxml import etree
+import glob
+from execution_environment import ExecutionEnvironment
+
+from common import (
+    exec_cmd,
+    log,
+    check_dir_exists,
+    check_file_exists,
+    delete,
+)
+
+
+class LibvirtEnvironment(ExecutionEnvironment):
+
+    def __init__(self, storage_dir, dha_file, dea, root_dir):
+        super(LibvirtEnvironment, self).__init__(
+            storage_dir, dha_file, root_dir)
+        self.dea = dea
+        self.network_dir = '%s/%s' % (self.root_dir,
+                                      self.dha.get_virt_net_conf_dir())
+        self.node_ids = self.dha.get_all_node_ids()
+        self.net_names = self.collect_net_names()
+
+    def create_storage(self, node_id, disk_path, disk_sizes):
+        if node_id == self.fuel_node_id:
+            disk_size = disk_sizes['fuel']
+        else:
+            roles = self.dea.get_node_role(node_id)
+            role = 'controller' if 'controller' in roles else 'compute'
+            disk_size = disk_sizes[role]
+        exec_cmd('fallocate -l %s %s' % (disk_size, disk_path))
+
+    def create_vms(self):
+        temp_dir = exec_cmd('mktemp -d')
+        disk_sizes = self.dha.get_disks()
+        for node_id in self.node_ids:
+            vm_name = self.dha.get_node_property(node_id, 'libvirtName')
+            vm_template = '%s/%s' % (self.root_dir,
+                                     self.dha.get_node_property(
+                                         node_id, 'libvirtTemplate'))
+            check_file_exists(vm_template)
+            disk_path = '%s/%s.raw' % (self.storage_dir, vm_name)
+            self.create_storage(node_id, disk_path, disk_sizes)
+            temp_vm_file = '%s/%s' % (temp_dir, vm_name)
+            exec_cmd('cp %s %s' % (vm_template, temp_vm_file))
+            self.define_vm(vm_name, temp_vm_file, disk_path)
+        delete(temp_dir)
+
+    def start_vms(self):
+        for node_id in self.node_ids:
+            self.dha.node_power_on(node_id)
+
+    def create_networks(self):
+        for net_file in glob.glob('%s/*' % self.network_dir):
+            exec_cmd('virsh net-define %s' % net_file)
+        for net in self.net_names:
+            log('Creating network %s' % net)
+            exec_cmd('virsh net-autostart %s' % net)
+            exec_cmd('virsh net-start %s' % net)
+
+    def delete_networks(self):
+        for net in self.net_names:
+            log('Deleting network %s' % net)
+            exec_cmd('virsh net-destroy %s' % net, False)
+            exec_cmd('virsh net-undefine %s' % net, False)
+
+    def get_net_name(self, net_file):
+        with open(net_file) as f:
+            net_xml = etree.parse(f)
+            name_list = net_xml.xpath('/network/name')
+            for name in name_list:
+                net_name = name.text
+        return net_name
+
+    def collect_net_names(self):
+        net_list = []
+        for net_file in glob.glob('%s/*' % self.network_dir):
+            name = self.get_net_name(net_file)
+            net_list.append(name)
+        return net_list
+
+    def delete_vms(self):
+        for node_id in self.node_ids:
+            self.delete_vm(node_id)
+
+
+    def setup_environment(self):
+        check_dir_exists(self.network_dir)
+        self.cleanup_environment()
+        self.create_networks()
+        self.create_vms()
+        self.start_vms()
+
+    def cleanup_environment(self):
+        self.delete_vms()
+        self.delete_networks()