def vm_remove(name):
"""Completely destroy the given virtual machine."""
# Check that the machine exists.
with nostdout():
vms = list_virtual_machines()
if not name in vms:
print "VM %s does not exist." % name
list_virtual_machines()
return -1
# Grab its IP.
vagrant_path = vm_path(name)
ip = config.vms.get(name, 'ip')
# Destroy the VM using Vagrant.
call("cd %s && vagrant destroy" % vagrant_path, shell=True)
# Remove the Vagrant directory.
call("rm -Rf %s" % vagrant_path, shell=True)
# Remove the entry from the hosts file.
update_hostfile(ip)
# Remove the section in the configuration file.
config.vms.remove_section(name)
config.vms.write()
print "Virtual machine removed."
return 0
def add(name, base):
"""Create and register a new virtual machine."""
# Normalize the name of the VM
name = normalize(name)
# Check for doubles
with nostdout():
vms = list_virtual_machines()
if name in vms:
print "A virtual machine with the same name already exists."
return -1
# Grab the base IP from the config.
base_ip = config.core.get("core", "base_ip")
# The base IP should ends with a . (actually it should have the form of
# xxx.xxx.xxx.).
base_ip = base_ip if base_ip.endswith('.') else (base_ip + '.')
# We will allocate an IP to the new virtual machine by incrementing the
# byte of the IP address.
# So let's start by gathering already used bytes.
used_bytes = [int(config.vms.get(sec, 'ip').split('.')[-1])
for sec in config.vms.sections()]
# Now create a list of every possible bytes. They must be between 0 and
# 255, but:
# * They must not be already used.
# * They must not be 0 or 1, because they are reserved by Vagrant.
byte_range = [i for i in range(2, 256) if not i in used_bytes]
# Well, sorry, you'll need to patch virtual-manager to continue.
if not byte_range:
print "You've reach the maximum number of virtual machines. Well done."
return -1
# Form the complete IP address.
ip = base_ip + str(byte_range[0])
# Create a dict to substitute the template of the Vagrantfile.
mapping = {
'ip': ip,
'base': base,
}
# Create the directory.
vagrant_dir = vm_path(name)
makedirs(path.join(vagrant_dir, 'link'))
# Grab the default vagrant file.
vagrant_template_path = config.core.get("core", "vagrant_template")
vagrant_final_path = path.join(vagrant_dir, "Vagrantfile")
render_template(vagrant_template_path, mapping, vagrant_final_path)
# Create the configuration file.
config.vms.add_section(name)
config.vms.set(name, 'ip', ip)
config.vms.write()
# Update hosts file.
newline = ["%s\t%s\n" % (ip, name)]
update_hostfile(ip, newline)
# Starts the virtual machine.
call("/bin/bash -c 'cd %s && vagrant up'" % vagrant_dir, shell=True)
print "Virtual machine successfully created"
return 0
