def autoconfig_setup(ask_questions=True):
"""
The auto configuration setup function.
We will copy the configuration files to the dryrun directory.
"""
global rootdir
distro = VPPUtil.get_linux_distro()
if distro[0] == 'Ubuntu':
rootdir = '/usr/local'
else:
rootdir = '/usr'
# If there is a system configuration file use that, if not use the initial auto-config file
filename = rootdir + VPP_AUTO_CONFIGURATION_FILE
if os.path.isfile(filename) is True:
acfg = AutoConfig(rootdir, VPP_AUTO_CONFIGURATION_FILE)
else:
raise RuntimeError(
'The Auto configuration file does not exist {}'.format(filename))
if ask_questions:
print("\nWelcome to the VPP system configuration utility")
print("\nThese are the files we will modify:")
print(" /etc/vpp/startup.conf")
print(" /etc/sysctl.d/80-vpp.conf")
print(" /etc/default/grub")
print("\nBefore we change them, we'll create working copies in "
"{}".format(rootdir + VPP_DRYRUNDIR))
print("Please inspect them carefully before applying the actual "
"configuration (option 3)!")
nodes = acfg.get_nodes()
for i in nodes.items():
node = i[1]
if (os.path.isfile(rootdir + VPP_STARTUP_FILE) is not True) and \
(os.path.isfile(VPP_REAL_STARTUP_FILE) is True):
autoconfig_cp(node, VPP_REAL_STARTUP_FILE,
'{}'.format(rootdir + VPP_STARTUP_FILE))
if (os.path.isfile(rootdir + VPP_HUGE_PAGE_FILE) is not True) and \
(os.path.isfile(VPP_REAL_HUGE_PAGE_FILE) is True):
autoconfig_cp(node, VPP_REAL_HUGE_PAGE_FILE,
'{}'.format(rootdir + VPP_HUGE_PAGE_FILE))
if (os.path.isfile(rootdir + VPP_GRUB_FILE) is not True) and \
(os.path.isfile(VPP_REAL_GRUB_FILE) is True):
autoconfig_cp(node, VPP_REAL_GRUB_FILE,
'{}'.format(rootdir + VPP_GRUB_FILE))
# Be sure the uio_pci_generic driver is installed
cmd = 'modprobe uio_pci_generic'
(ret, stdout, stderr) = VPPUtil.exec_command(cmd)
if ret != 0:
logging.warning('{} failed on node {} {}'.format(
cmd, node['host'], stderr))
def autoconfig_dryrun(ask_questions=True):
"""
Execute the dryrun function.
:param ask_questions: When true ask the user for paraameters
:type ask_questions: bool
"""
vutil = VPPUtil()
pkgs = vutil.get_installed_vpp_pkgs()
if len(pkgs) == 0:
print "\nVPP is not installed, please install VPP."
return
acfg = AutoConfig(rootdir, VPP_AUTO_CONFIGURATION_FILE, clean=True)
# Stop VPP on each node
nodes = acfg.get_nodes()
for i in nodes.items():
node = i[1]
VPPUtil.stop(node)
# Discover
acfg.discover()
# Check the system resources
nodes = acfg.get_nodes()
for i in nodes.items():
node = i[1]
if not acfg.min_system_resources(node):
return
# Modify the devices
if ask_questions:
acfg.modify_devices()
else:
acfg.update_interfaces_config()
# Modify CPU
acfg.modify_cpu(ask_questions)
# Calculate the cpu parameters
acfg.calculate_cpu_parameters()
# Acquire TCP stack parameters
if ask_questions:
acfg.acquire_tcp_params()
# Apply the startup
acfg.apply_vpp_startup()
# Apply the grub configuration
acfg.apply_grub_cmdline()
# Huge Pages
if ask_questions:
acfg.modify_huge_pages()
acfg.apply_huge_pages()
def autoconfig_ipv4_setup():
"""
Setup IPv4 interfaces
"""
acfg = AutoConfig(rootdir, VPP_AUTO_CONFIGURATION_FILE)
acfg.ipv4_interface_setup()
def autoconfig_create_vm():
"""
Setup IPv4 interfaces
"""
acfg = AutoConfig(rootdir, VPP_AUTO_CONFIGURATION_FILE)
acfg.create_and_bridge_virtual_interfaces()
def autoconfig_apply(ask_questions=True):
"""
Apply the configuration.
Show the diff of the dryrun file and the actual configuration file
Copy the files from the dryrun directory to the actual file.
Peform the system function
:param ask_questions: When true ask the user questions
:type ask_questions: bool
"""
vutil = VPPUtil()
pkgs = vutil.get_installed_vpp_pkgs()
if len(pkgs) == 0:
print "\nVPP is not installed, Install VPP with option 4."
return
acfg = AutoConfig(rootdir, VPP_AUTO_CONFIGURATION_FILE)
if ask_questions:
print "\nWe are now going to configure your system(s).\n"
answer = autoconfig_yn("Are you sure you want to do this [Y/n]? ", 'y')
if answer == 'n':
return
nodes = acfg.get_nodes()
for i in nodes.items():
node = i[1]
# Check the system resources
if not acfg.min_system_resources(node):
return
# Stop VPP
VPPUtil.stop(node)
# Huge Pages
ret = autoconfig_hugepage_apply(node, ask_questions)
if ret != 0:
return
# VPP
ret = autoconfig_vpp_apply(node, ask_questions)
if ret != 0:
return
# Grub
ret = autoconfig_grub_apply(node, ask_questions)
if ret != 0:
# We can still start VPP, even if we haven't configured grub
VPPUtil.start(node)
return
# Everything is configured start vpp
VPPUtil.start(node)
def autoconfig_create_iperf_vm():
"""
Setup IPv4 interfaces
"""
acfg = AutoConfig(rootdir, VPP_AUTO_CONFIGURATION_FILE)
acfg.destroy_iperf_vm('iperf-server')
acfg.create_and_bridge_iperf_virtual_interface()
acfg.create_iperf_vm('iperf-server')
def autoconfig_show_system():
"""
Shows the system information.
"""
acfg = AutoConfig(rootdir, VPP_AUTO_CONFIGURATION_FILE)
acfg.discover()
acfg.sys_info()
def autoconfig_setup(ask_questions=True):
"""
The auto configuration setup function.
We will copy the configuration files to the dryrun directory.
"""
global rootdir
logging.basicConfig(level=logging.ERROR)
distro = VPPUtil.get_linux_distro()
if distro[0] == 'Ubuntu':
rootdir = '/usr/local'
else:
rootdir = '/usr'
# If there is a system configuration file use that, if not use the initial auto-config file
filename = rootdir + VPP_AUTO_CONFIGURATION_FILE
if os.path.isfile(filename) is True:
acfg = AutoConfig(rootdir, VPP_AUTO_CONFIGURATION_FILE)
else:
raise RuntimeError(
'The Auto configuration file does not exist {}'.format(filename))
if ask_questions:
print "\nWelcome to the VPP system configuration utility"
print "\nThese are the files we will modify:"
print " /etc/vpp/startup.conf"
print " /etc/sysctl.d/80-vpp.conf"
print " /etc/default/grub"
print "\nBefore we change them, we'll create working copies in {}".format(
rootdir + VPP_DRYRUNDIR)
print "Please inspect them carefully before applying the actual configuration (option 3)!"
nodes = acfg.get_nodes()
for i in nodes.items():
node = i[1]
if (os.path.isfile(rootdir + VPP_STARTUP_FILE) is not True) and \
(os.path.isfile(VPP_REAL_STARTUP_FILE) is True):
autoconfig_cp(node, VPP_REAL_STARTUP_FILE,
'{}'.format(rootdir + VPP_STARTUP_FILE))
if (os.path.isfile(rootdir + VPP_HUGE_PAGE_FILE) is not True) and \
(os.path.isfile(VPP_REAL_HUGE_PAGE_FILE) is True):
autoconfig_cp(node, VPP_REAL_HUGE_PAGE_FILE,
'{}'.format(rootdir + VPP_HUGE_PAGE_FILE))
if (os.path.isfile(rootdir + VPP_GRUB_FILE) is not True) and \
(os.path.isfile(VPP_REAL_GRUB_FILE) is True):
autoconfig_cp(node, VPP_REAL_GRUB_FILE,
'{}'.format(rootdir + VPP_GRUB_FILE))
def autoconfig_apply():
"""
Apply the configuration.
Show the diff of the dryrun file and the actual configuration file
Copy the files from the dryrun directory to the actual file.
Peform the system function
"""
vutil = VPPUtil()
pkgs = vutil.get_installed_vpp_pkgs()
if len(pkgs) == 0:
print "\nVPP is not installed, Install VPP with option 4."
return
acfg = AutoConfig(rootdir, VPP_AUTO_CONFIGURATION_FILE)
print "\nWe are now going to configure your system(s).\n"
answer = autoconfig_yn("Are you sure you want to do this [Y/n]? ", 'y')
if answer == 'n':
return
nodes = acfg.get_nodes()
for i in nodes.items():
node = i[1]
# Check the system resources
if not acfg.min_system_resources(node):
return
# Huge Pages
ret = autoconfig_hugepage_apply(node)
if ret != 0:
return
# VPP
ret = autoconfig_vpp_apply(node)
if ret != 0:
return
# Grub
ret = autoconfig_grub_apply(node)
if ret != 0:
return
# Everything is configured start vpp
cmd = "service vpp start"
(ret, stdout, stderr) = VPPUtil.exec_command(cmd)
if ret != 0:
raise RuntimeError('{} failed on node {} {} {}'.format(
cmd, node['host'], stdout, stderr))
def autoconfig_install():
"""
Install or Uninstall VPP.
"""
# Since these commands will take a while, we
# want to see the progress
logger = logging.getLogger()
acfg = AutoConfig(rootdir, VPP_AUTO_CONFIGURATION_FILE)
vutil = VPPUtil()
nodes = acfg.get_nodes()
for i in nodes.items():
node = i[1]
pkgs = vutil.get_installed_vpp_pkgs()
if len(pkgs) > 0:
print("\nThese packages are installed on node {}".format(
node['host']))
print("{:25} {}".format("Name", "Version"))
for pkg in pkgs:
try:
print("{:25} {}".format(pkg['name'], pkg['version']))
except KeyError:
print("{}".format(pkg['name']))
question = "\nDo you want to uninstall these "
question += "packages [y/N]? "
answer = autoconfig_yn(question, 'n')
if answer == 'y':
logger.setLevel(logging.INFO)
vutil.uninstall_vpp(node)
else:
print("\nThere are no VPP packages on node {}.".format(
node['host']))
question = "Do you want to install VPP [Y/n]? "
answer = autoconfig_yn(question, 'y')
if answer == 'y':
question = "Do you want to install the release version [Y/n]? "
answer = autoconfig_yn(question, 'y')
if answer == 'y':
branch = 'release'
else:
branch = 'master'
logger.setLevel(logging.INFO)
vutil.install_vpp(node, branch)
# Set the logging level back
logger.setLevel(logging.ERROR)
def autoconfig_dryrun():
"""
Execute the dryrun function.
"""
vutil = VPPUtil()
pkgs = vutil.get_installed_vpp_pkgs()
if len(pkgs) == 0:
print "\nVPP is not installed, install VPP with option 4."
return
acfg = AutoConfig(rootdir, VPP_AUTO_CONFIGURATION_FILE)
# Stop VPP on each node
nodes = acfg.get_nodes()
for i in nodes.items():
node = i[1]
VPPUtil.stop(node)
# Discover
acfg.discover()
# Check the system resources
nodes = acfg.get_nodes()
for i in nodes.items():
node = i[1]
if not acfg.min_system_resources(node):
return
# Modify the devices
acfg.modify_devices()
# Modify CPU
acfg.modify_cpu()
# Calculate the cpu parameters
acfg.calculate_cpu_parameters()
# Acquire TCP stack parameters
acfg.acquire_tcp_params()
# Apply the startup
acfg.apply_vpp_startup()
# Apply the grub configuration
acfg.apply_grub_cmdline()
# Huge Pages
acfg.modify_huge_pages()
acfg.apply_huge_pages()
def autoconfig_patch_qemu():
"""
Patch the correct qemu version that is needed for openstack
"""
# Since these commands will take a while, we
# want to see the progress
logger = logging.getLogger()
acfg = AutoConfig(rootdir, VPP_AUTO_CONFIGURATION_FILE)
nodes = acfg.get_nodes()
for i in nodes.items():
node = i[1]
logger.setLevel(logging.INFO)
acfg.patch_qemu(node)