diff options
Diffstat (limited to 'fuel/deploy/setup_environment.py')
| -rw-r--r-- | fuel/deploy/setup_environment.py | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/fuel/deploy/setup_environment.py b/fuel/deploy/setup_environment.py deleted file mode 100644 index 4e0e7ba..0000000 --- a/fuel/deploy/setup_environment.py +++ /dev/null @@ -1,165 +0,0 @@ -import sys -from lxml import etree -import os -import glob -import common - -from dha import DeploymentHardwareAdapter - -exec_cmd = common.exec_cmd -err = common.err -log = common.log -check_dir_exists = common.check_dir_exists -check_file_exists = common.check_file_exists -check_if_root = common.check_if_root - - -class LibvirtEnvironment(object): - - def __init__(self, storage_dir, dha_file): - self.dha = DeploymentHardwareAdapter(dha_file) - self.storage_dir = storage_dir - self.parser = etree.XMLParser(remove_blank_text=True) - self.file_dir = os.path.dirname(os.path.realpath(__file__)) - self.network_dir = '%s/libvirt/networks' % self.file_dir - self.vm_dir = '%s/libvirt/vms' % self.file_dir - self.node_ids = self.dha.get_all_node_ids() - self.fuel_node_id = self.dha.get_fuel_node_id() - 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: - role = self.dha.get_node_role(node_id) - 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 = self.dha.get_node_property(node_id, - 'libvirtTemplate') - disk_path = '%s/%s.raw' % (self.storage_dir, vm_name) - self.create_storage(node_id, disk_path, disk_sizes) - self.define_vm(vm_name, vm_template, temp_dir, disk_path) - exec_cmd('rm -fr %s' % temp_dir) - - def define_vm(self, vm_name, vm_template, temp_dir, disk_path): - log('Creating VM %s with disks %s' % (vm_name, disk_path)) - temp_vm_file = '%s/%s' % (temp_dir, vm_name) - exec_cmd('cp %s/%s %s' % (self.vm_dir, vm_template, temp_vm_file)) - with open(temp_vm_file) as f: - vm_xml = etree.parse(f) - names = vm_xml.xpath('/domain/name') - for name in names: - name.text = vm_name - uuids = vm_xml.xpath('/domain/uuid') - for uuid in uuids: - uuid.getparent().remove(uuid) - disks = vm_xml.xpath('/domain/devices/disk') - for disk in disks: - sources = disk.xpath('source') - for source in sources: - source.set('file', disk_path) - with open(temp_vm_file, 'w') as f: - vm_xml.write(f, pretty_print=True, xml_declaration=True) - exec_cmd('virsh define %s' % temp_vm_file) - - 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: - vm_name = self.dha.get_node_property(node_id, 'libvirtName') - r, c = exec_cmd('virsh dumpxml %s' % vm_name, False) - if c > 0: - log(r) - continue - self.undefine_vm_delete_disk(r, vm_name) - - def undefine_vm_delete_disk(self, printout, vm_name): - disk_files = [] - xml_dump = etree.fromstring(printout, self.parser) - disks = xml_dump.xpath('/domain/devices/disk') - for disk in disks: - sources = disk.xpath('source') - for source in sources: - source_file = source.get('file') - if source_file: - disk_files.append(source_file) - log('Deleting VM %s with disks %s' % (vm_name, disk_files)) - exec_cmd('virsh destroy %s' % vm_name, False) - exec_cmd('virsh undefine %s' % vm_name, False) - for file in disk_files: - exec_cmd('rm -f %s' % file) - - def setup_environment(self): - check_if_root() - check_dir_exists(self.network_dir) - check_dir_exists(self.vm_dir) - self.cleanup_environment() - self.create_vms() - self.create_networks() - - def cleanup_environment(self): - self.delete_vms() - self.delete_networks() - - -def usage(): - print ''' - Usage: - python setup_environment.py <storage_directory> <dha_file> - - Example: - python setup_environment.py /mnt/images dha.yaml - ''' - -def parse_arguments(): - if len(sys.argv) != 3: - log('Incorrect number of arguments') - usage() - sys.exit(1) - storage_dir = sys.argv[-2] - dha_file = sys.argv[-1] - check_dir_exists(storage_dir) - check_file_exists(dha_file) - return storage_dir, dha_file - -def main(): - storage_dir, dha_file = parse_arguments() - - virt = LibvirtEnvironment(storage_dir, dha_file) - virt.setup_environment() - -if __name__ == '__main__': - main()
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