#!/usr/bin/python3
-import serial
-
-import re
-from time import sleep
-import sys
import libvirt
-import xml.etree.ElementTree as ET
-
-import inspect
import os
import configparser
+from disk import disk
+
class log():
def __init__(self, log_level):
self.log_level = log_level
return self.connection
-class vm():
- def __init__(self, vm_xml_file, snapshot_xml_file, image, root_uid):
- self.log = log(4)
- self.con = libvirt_con("qemu:///system")
- try:
- with open(vm_xml_file) as fobj:
- self.vm_xml = fobj.read()
- except FileNotFoundError as error:
- self.log.error("No such file: {}".format(vm_xml_file))
-
- try:
- with open(snapshot_xml_file) as fobj:
- self.snapshot_xml = fobj.read()
- except FileNotFoundError as error:
- self.log.error("No such file: {}".format(snapshot_xml_file))
-
- self.image = image
-
- if not os.path.isfile(self.image):
- self.log.error("No such file: {}".format(self.image))
-
- self.root_uid = root_uid
-
- def define(self):
- self.dom = self.con.con.defineXML(self.vm_xml)
- if self.dom == None:
- self.log.error("Could not define VM")
- raise BaseException
-
- def start(self):
- if self.dom.create() < 0:
- self.log.error("Could not start VM")
- raise BaseException
-
- def shutdown(self):
- if self.is_running():
- if self.dom.shutdown() < 0:
- self.log.error("Could not shutdown VM")
- raise BaseException
- else:
- self.log.error("Domain is not running")
-
- def undefine(self):
- self.dom.undefine()
-
- def create_snapshot(self):
-
- self.snapshot = self.dom.snapshotCreateXML(self.snapshot_xml)
-
- if not self.snapshot:
- self.log.error("Could not create snapshot")
- raise BaseException
-
- def revert_snapshot(self):
- print(inspect.getmembers(self.dom, predicate=inspect.ismethod))
- self.dom.revertToSnapshot(self.snapshot)
- self.snapshot.delete()
-
- def is_running(self):
-
- state, reason = self.dom.state()
-
- if state == libvirt.VIR_DOMAIN_RUNNING:
- return True
- else:
- return False
-
- def get_serial_device(self):
-
- if not self.is_running():
- raise BaseException
-
- xml_root = ET.fromstring(self.dom.XMLDesc(0))
-
- elem = xml_root.find("./devices/serial/source")
- return elem.get("path")
-
- def check_is_booted_up(self):
- serial_con = connection(self.get_serial_device())
-
- serial_con.write("\n")
- # This will block till the domain is booted up
- serial_con.read(1)
-
- #serial_con.close()
-
- def login(self, username, password):
- try:
- self.serial_con = connection(self.get_serial_device(), username="root")
- self.serial_con.login("25814@root")
- except BaseException as e:
- self.log.error("Could not connect to the domain via serial console")
-
- def cmd(self, cmd):
- return self.serial_con.command(cmd)
-
-
-class connection():
- def __init__(self, device, username=None):
- self.buffer = b""
- self.back_at_prompt_pattern = None
- self.username = username
- self.log = log(1)
- self.con = serial.Serial(device)
-
- def read(self, size=1):
- if len(self.buffer) >= size:
- # throw away first size bytes in buffer
- data = self.buffer[:size]
- # Set the buffer to the non used bytes
- self.buffer = self.buffer[size:]
- return data
- else:
- data = self.buffer
- # Set the size to the value we have to read now
- size = size - len(self.buffer)
- # Set the buffer empty
- self.buffer = b""
- return data + self.con.read(size)
-
- def peek(self, size=1):
- if len(self.buffer) <= size:
- self.buffer += self.con.read(size=size - len(self.buffer))
-
- return self.buffer[:size]
-
- def readline(self):
- self.log.debug(self.buffer)
- self.buffer = self.buffer + self.con.read(self.con.in_waiting)
- if b"\n" in self.buffer:
- size = self.buffer.index(b"\n") + 1
- self.log.debug("We have a whole line in the buffer")
- self.log.debug(self.buffer)
- self.log.debug("We split at {}".format(size))
- data = self.buffer[:size]
- self.buffer = self.buffer[size:]
- self.log.debug(data)
- self.log.debug(self.buffer)
- return data
-
- data = self.buffer
- self.buffer = b""
- return data + self.con.readline()
-
- def back_at_prompt(self):
- data = self.peek()
- if not data == b"[":
- return False
-
- # We need to use self.in_waiting because with self.con.in_waiting we get
- # not the complete string
- size = len(self.buffer) + self.in_waiting
- data = self.peek(size)
-
-
- if self.back_at_prompt_pattern == None:
- #self.back_at_prompt_pattern = r"^\[{}@.+\]#".format(self.username)
- self.back_at_prompt_pattern = re.compile(r"^\[{}@.+\]#".format(self.username), re.MULTILINE)
-
- if self.back_at_prompt_pattern.search(data.decode()):
- return True
- else:
- return False
-
- def log_console_line(self, line):
- self.log.debug("Get in function log_console_line()")
- sys.stdout.write(line)
-
- @property
- def in_waiting(self):
- in_waiting_before = 0
- sleep(0.5)
-
- while in_waiting_before != self.con.in_waiting:
- in_waiting_before = self.con.in_waiting
- sleep(0.5)
-
- return self.con.in_waiting
-
-
- def readline2(self, pattern=None):
- string = ""
- string2 = b""
- if pattern:
- pattern = re.compile(pattern)
-
- while 1:
- char = self.con.read(1)
- string = string + char.decode("utf-8")
- string2 = string2 + char
- #print(char)
- print(char.decode("utf-8"), end="")
-
- #print(string2)
- if pattern and pattern.match(string):
- #print("get here1")
- #print(string2)
- return {"string" : string, "return-code" : 1}
-
- if char == b"\n":
- #print(char)
- #print(string2)
- #print("get here2")
- return {"return-code" : 0}
-
- def check_logged_in(self, username):
- pattern = "^\[" + username + "@.+\]#"
- data = self.readline(pattern=pattern)
- if data["return-code"] == 1:
- print("We are logged in")
- return True
- else:
- print("We are not logged in")
- return False
-
- def login(self, password):
- if self.username == None:
- self.log.error("Username cannot be blank")
- return False
-
- # Hit enter to see what we get
- self.con.write(b'\n')
- # We get two new lines \r\n ?
- data = self.readline()
- self.log_console_line(data.decode())
-
-
- if self.back_at_prompt():
- self.log.debug("We are already logged in.")
- return True
-
- # Read all line till we get login:
- while 1:
- data = self.peek()
- if not data.decode() == "l":
- self.log.debug("We get no l at the start")
- self.log_console_line(self.readline().decode())
-
- # We need to use self.in_waiting because with self.con.in_waiting we get
- # not the complete string
- size = len(self.buffer) + self.in_waiting
- data = self.peek(size)
-
- pattern = r"^.*login: "
- pattern = re.compile(pattern)
-
- if pattern.search(data.decode()):
- break
- else:
- self.log.debug("The pattern does not match")
- self.log_console_line(self.readline().decode())
-
- # We can login
- string = "{}\n".format(self.username)
- self.con.write(string.encode())
- self.con.flush()
- # read the login out of the buffer
- data = self.readline()
- self.log.debug("This is the login:{}".format(data))
- self.log_console_line(data.decode())
-
- # We need to wait her till we get the full string "Password:"
- #This is useless but self.in_waiting will wait the correct amount of time
- size = self.in_waiting
-
- string = "{}\n".format(password)
- self.con.write(string.encode())
- self.con.flush()
- # Print the 'Password:' line
- data = self.readline()
- self.log_console_line(data.decode())
-
- while not self.back_at_prompt():
- # This will fail if the login failed so we need to look for the failed keyword
- data = self.readline()
- self.log_console_line(data.decode())
-
- return True
-
- def write(self, string):
- self.log.debug(string)
- self.con.write(string.encode())
- self.con.flush()
-
- def command(self, command):
- self.write("{}\n".format(command))
-
- # We need to read out the prompt for this command first
- # If we do not do this we will break the loop immediately
- # because the prompt for this command is still in the buffer
- data = self.readline()
- self.log_console_line(data.decode())
-
- while not self.back_at_prompt():
- data = self.readline()
- self.log_console_line(data.decode())
-
# A class which define and undefine a virtual network based on an xml file
class network():
# Should read the test, check if the syntax are valid
# and return tuples with the ( host, command ) structure
class recipe():
- def __init__(self, path):
+ def __init__(self, path, circle=[]):
self.log = log(4)
self.recipe_file = path
+ self.path = os.path.dirname(self.recipe_file)
+ self.log.debug("Path of recipe is: {}".format(self.recipe_file))
self._recipe = None
+ self._machines = None
+
+ self.in_recursion = True
+ if len(circle) == 0:
+ self.in_recursion = False
+
+ self.circle = circle
+ self.log.debug(circle)
+ self.log.debug(self.circle)
if not os.path.isfile(self.recipe_file):
self.log.error("No such file: {}".format(self.recipe_file))
return self._recipe
+ @property
+ def machines(self):
+ if not self._machines:
+ self._machines = []
+ for line in self._recipe:
+ if line[0] != "all" and line[0] not in self._machines:
+ self._machines.append(line[0])
+
+ return self._machines
+
def parse(self):
self._recipe = []
i = 1
if len(raw_line) < 2:
self.log.error("Error parsing the recipe in line {}".format(i))
raise RecipeExeption
- cmd = raw_line[1]
+ cmd = raw_line[1].strip()
raw_line = raw_line[0].strip().split(" ")
if len(raw_line) == 0:
self.log.error("Failed to parse the recipe in line {}".format(i))
raise RecipeExeption
- elif len(raw_line) == 1:
- if raw_line[0] == "":
+
+ if raw_line[0].strip() == "":
self.log.error("Failed to parse the recipe in line {}".format(i))
raise RecipeExeption
- machine = raw_line[0]
+
+ machine = raw_line[0].strip()
+
+ if len(raw_line) == 2:
+ extra = raw_line[1].strip()
+ else:
extra = ""
- elif len(raw_line) == 2:
- machine = raw_line[0]
- extra = raw_line[1]
- self._recipe.append((machine.strip(), extra.strip(), cmd.strip()))
+ # We could get a machine here or a include statement
+ if machine == "include":
+ path = cmd.strip()
+ path = os.path.normpath(self.path + "/" + path)
+ path = path + "/recipe"
+ if path in self.circle:
+ self.log.error("Detect import loop!")
+ raise RecipeExeption
+ self.circle.append(path)
+ recipe_to_include = recipe(path, circle=self.circle)
+
+ if machine == "include":
+ self._recipe.extend(recipe_to_include.recipe)
+ else:
+ # Support also something like 'alice,bob: echo'
+ machines = machine.split(",")
+ for machine in machines:
+ self._recipe.append((machine.strip(), extra.strip(), cmd.strip()))
i = i + 1
+ if not self.in_recursion:
+ tmp_recipe = []
+ for line in self._recipe:
+ if line[0] != "all":
+ tmp_recipe.append(line)
+ else:
+ for machine in self.machines:
+ tmp_recipe.append((machine.strip(), line[1], line[2]))
+
+ self._recipe = tmp_recipe
+
+
class test():
def __init__(self, path):
self.config.read(self.settings_file)
self.name = self.config["DEFAULT"]["Name"]
self.description = self.config["DEFAULT"]["Description"]
+ self.copy_to = self.config["DEFAULT"]["Copy_to"]
+ self.copy_from = self.config["DEFAULT"]["Copy_from"]
+ self.copy_from = self.copy_from.split(",")
+
+ tmp = []
+ for file in self.copy_from:
+ file = file.strip()
+ file = os.path.normpath(self.path + "/" + file)
+ tmp.append(file)
+
+ self.copy_from = tmp
self.virtual_environ_name = self.config["VIRTUAL_ENVIRONMENT"]["Name"]
self.virtual_environ_path = self.config["VIRTUAL_ENVIRONMENT"]["Path"]
self.virtual_machines = self.virtual_environ.get_machines()
def virtual_environ_start(self):
- pass
+ for name in self.virtual_environ.network_names:
+ self.virtual_networks[name].define()
+ self.virtual_networks[name].start()
+
+ for name in self.virtual_environ.machine_names:
+ self.virtual_machines[name].define()
+ self.virtual_machines[name].create_snapshot()
+ self.virtual_machines[name].copy_in(self.copy_from, self.copy_to)
+ self.virtual_machines[name].start()
+
+ self.log.debug("Try to login on all machines")
+ for name in self.virtual_environ.machine_names:
+ self.virtual_machines[name].login()
def load_recipe(self):
- pass
+ try:
+ self.recipe = recipe(self.recipe_file)
+ except BaseException:
+ self.log.error("Failed to load recipe")
+ exit(1)
+
+ def run_recipe(self):
+ for line in self.recipe.recipe:
+ return_value = self.virtual_machines[line[0]].cmd(line[2])
+ self.log.debug("Return value is: {}".format(return_value))
+ if return_value != "0" and line[1] == "":
+ self.log.error("Failed to execute command '{}' on {}, return code: {}".format(line[2],line[0], return_value))
+ return False
+ elif return_value == "0" and line[1] == "!":
+ self.log.error("Succeded to execute command '{}' on {}, return code: {}".format(line[2],line[0],return_value))
+ return False
+ else:
+ self.log.debug("Command '{}' on {} returned with: {}".format(line[2],line[0],return_value))
- def run_recipe():
- pass
+ def virtual_environ_stop(self):
+ for name in self.virtual_environ.machine_names:
+ self.virtual_machines[name].shutdown()
+ self.virtual_machines[name].revert_snapshot()
+ self.virtual_machines[name].undefine()
- def virtual_environ_stop():
- pass
+ for name in self.virtual_environ.network_names:
+ self.virtual_networks[name].undefine()
# Should return all vms and networks in a list
machines = {}
for _machine in self.machines:
self.log.debug(_machine)
- machines.setdefault(_machine, vm(
+ machines.setdefault(_machine, machine(
os.path.normpath(self.path + "/" + self.config[_machine]["xml_file"]),
- os.path.normpath(self.path + "/" + self.config[_machine]["snapshot_xml_file"])))
+ os.path.normpath(self.path + "/" + self.config[_machine]["snapshot_xml_file"]),
+ self.config[_machine]["image"],
+ self.config[_machine]["root_uid"],
+ self.config[_machine]["username"],
+ self.config[_machine]["password"]))
return machines
+ @property
+ def machine_names(self):
+ return self.machines
+
+ @property
+ def network_names(self):
+ return self.networks
+
if __name__ == "__main__":
import argparse
args = parser.parse_args()
- _recipe = recipe("/home/jonatan/python-testing-kvm/test/recipe")
currenttest = test(args.dir)
currenttest.read_settings()
- currenttest.virtual_environ_setup()
\ No newline at end of file
+ currenttest.virtual_environ_setup()
+ currenttest.load_recipe()
+ try:
+ currenttest.virtual_environ_start()
+ currenttest.run_recipe()
+ except BaseException as e:
+ print(e)
+ finally:
+ currenttest.virtual_environ_stop()
+
projects / nitsi.git / blobdiff