Automatic Deployment

- node discovery
- refactoring to support multiple shelves
- configure nodes and interfaces
- provisioning
- deployment
- extending with autodeployment scripts from libvirt prototype

JIRA: [BGS-2] Create Fuel deployment scrip

Signed-off-by: Szilard Cserey <szilard.cserey@ericsson.com>
Change-Id: Ic48f93594914d5bef6c9de34d87434c7cd567198

7 files changed, 760 insertions, 0 deletions

diff --git a/fuel/deploy/cloud_deploy/hardware_adapters/__init__.py b/fuel/deploy/cloud_deploy/hardware_adapters/__init__.py
new file mode 100644
index 0000000..c274feb
--- /dev/null
+++ b/fuel/deploy/cloud_deploy/hardware_adapters/__init__.py
@@ -0,0 +1 @@
+__author__ = 'eszicse'
diff --git a/fuel/deploy/cloud_deploy/hardware_adapters/dha.py b/fuel/deploy/cloud_deploy/hardware_adapters/dha.py
new file mode 100644
index 0000000..2764aeb
--- /dev/null
+++ b/fuel/deploy/cloud_deploy/hardware_adapters/dha.py
@@ -0,0 +1,61 @@
+from hp.hp_adapter import HpAdapter
+from libvirt.libvirt_adapter import LibvirtAdapter
+
+class DeploymentHardwareAdapter(object):
+    def __new__(cls, server_type, *args):
+        if cls is DeploymentHardwareAdapter:
+            if server_type == 'esxi':  return EsxiAdapter(*args)
+            if server_type == 'hp': return HpAdapter(*args)
+            if server_type == 'dell': return DellAdapter(*args)
+            if server_type == 'libvirt': return LibvirtAdapter(*args)
+        return super(DeploymentHardwareAdapter, cls).__new__(cls)
+
+
+class HardwareAdapter(object):
+
+    def power_off_blades(self, shelf, blade_list):
+        raise NotImplementedError
+
+    def power_off_blade(self, shelf, blade):
+        raise NotImplementedError
+
+    def power_on_blades(self, shelf, blade_list):
+        raise NotImplementedError
+
+    def power_on_blade(self, shelf, blade):
+        raise NotImplementedError
+
+    def power_cycle_blade(self):
+        raise NotImplementedError
+
+    def set_boot_order_blades(self, shelf, blade_list):
+        raise NotImplementedError
+
+    def set_boot_order_blade(self, shelf, blade):
+        raise NotImplementedError
+
+    def reset_to_factory_defaults(self):
+        raise NotImplementedError
+
+    def configure_networking(self):
+        raise NotImplementedError
+
+    def get_blade_mac_addresses(self, shelf, blade):
+        raise NotImplementedError
+
+    def get_hardware_info(self, shelf, blade):
+        raise NotImplementedError
+
+
+class EsxiAdapter(HardwareAdapter):
+
+    def __init__(self):
+        self.environment = {1: {1: {'mac': ['00:50:56:8c:05:85']},
+                                2: {'mac': ['00:50:56:8c:21:92']}}}
+
+    def get_blade_mac_addresses(self, shelf, blade):
+        return self.environment[shelf][blade]['mac']
+
+
+class DellAdapter(HardwareAdapter):
+    pass
diff --git a/fuel/deploy/cloud_deploy/hardware_adapters/hp/__init__.py b/fuel/deploy/cloud_deploy/hardware_adapters/hp/__init__.py
new file mode 100644
index 0000000..c274feb
--- /dev/null
+++ b/fuel/deploy/cloud_deploy/hardware_adapters/hp/__init__.py
@@ -0,0 +1 @@
+__author__ = 'eszicse'
diff --git a/fuel/deploy/cloud_deploy/hardware_adapters/hp/hp_adapter.py b/fuel/deploy/cloud_deploy/hardware_adapters/hp/hp_adapter.py
new file mode 100644
index 0000000..916d4dc
--- /dev/null
+++ b/fuel/deploy/cloud_deploy/hardware_adapters/hp/hp_adapter.py
@@ -0,0 +1,433 @@
+import re
+import time
+from netaddr import EUI, mac_unix
+from cloud import common
+
+from run_oa_command import RunOACommand
+
+LOG = common.LOG
+
+class HpAdapter(object):
+
+    # Exception thrown at any kind of failure to get the requested
+    # information.
+    class NoInfoFoundError(Exception):
+        pass
+
+    # Totally failed to connect so a re-try with other HW should
+    # be done. This exception should never escape this class.
+    class InternalConnectError(Exception):
+        pass
+
+    # Format MAC so leading zeroes are displayed
+    class mac_dhcp(mac_unix):
+        word_fmt = "%.2x"
+
+    def __init__(self, mgmt_ip, username, password):
+        self.mgmt_ip = mgmt_ip
+        self.username = username
+        self.password = password
+        self.oa_error_message = ''
+
+    def get_blade_mac_addresses(self, shelf, blade):
+
+        LOG.debug("Entering: get_mac_addr_hp(%d,%d)" % (shelf, blade))
+        self.oa_error_message = ''
+        oa = RunOACommand(self.mgmt_ip, self.username, self.password)
+
+        LOG.debug("Connect to active OA for shelf %d" % shelf)
+        try:
+            res = oa.connect_to_active()
+        except:
+            raise self.InternalConnectError(oa.error_message)
+        if res is None:
+            raise self.InternalConnectError(oa.error_message)
+        if not oa.connected():
+            raise self.NoInfoFoundError(oa.error_message)
+
+        cmd = ("show server info " + str(blade))
+
+        LOG.debug("Send command to OA: %s" % cmd)
+        try:
+            serverinfo = oa.send_command(cmd)
+        except:
+            raise self.NoInfoFoundError(oa.error_message)
+        finally:
+            oa.close()
+
+        (left, right) = self.find_mac(serverinfo, shelf, blade)
+
+        left = EUI(left, dialect=self.mac_dhcp)
+        right = EUI(right, dialect=self.mac_dhcp)
+        return [str(left), str(right)]
+
+    def get_blades_mac_addresses(self, shelf, blade_list):
+        macs_per_blade_dict = {}
+        LOG.debug("Getting MAC addresses for shelf %s, blades %s"
+                  % (shelf, blade_list))
+        self.oa_error_message = ''
+        oa = RunOACommand(self.mgmt_ip, self.username, self.password)
+
+        LOG.debug("Connect to active OA for shelf %d" % shelf)
+        try:
+            res = oa.connect_to_active()
+        except:
+            raise self.InternalConnectError(oa.error_message)
+        if res is None:
+            raise self.InternalConnectError(oa.error_message)
+        if not oa.connected():
+            raise self.NoInfoFoundError(oa.error_message)
+        try:
+            for blade in blade_list:
+                LOG.debug("Send command to OA: %s" % cmd)
+                cmd = ("show server info %s" % blade)
+                printout = oa.send_command(cmd)
+                left, right = self.find_mac(printout, shelf, blade)
+                left = EUI(left, dialect=self.mac_dhcp)
+                right = EUI(right, dialect=self.mac_dhcp)
+                macs_per_blade_dict[blade] = [str(left), str(right)]
+        except:
+            raise self.NoInfoFoundError(oa.error_message)
+        finally:
+            oa.close()
+        return macs_per_blade_dict
+
+    def get_blade_hardware_info(self, shelf, blade=None):
+        if blade:
+            LOG.debug("Entering: get_hp_info(%d,%d)" % (shelf, blade))
+        else:
+            LOG.debug("Entering: get_hp_info(%d)" % shelf)
+
+        self.oa_error_message = ''
+        oa = RunOACommand(self.mgmt_ip, self.username, self.password)
+
+        LOG.debug("Connect to active OA for shelf %d" % shelf)
+
+        try:
+            res = oa.connect_to_active()
+        except:
+            self.oa_error_message = oa.error_message
+            return None
+        if res is None:
+            self.oa_error_message = oa.error_message
+            return None
+        if not oa.connected():
+            self.oa_error_message = oa.error_message
+            return None
+
+        # If no blade specified we're done we know this is an HP at this point
+        if not blade:
+            oa.close()
+            return "HP"
+
+        check = "show server info %d" % blade
+        LOG.debug("Send command to OA: %s" % check)
+        output = oa.send_command("%s" % check)
+        oa.close()
+
+        match = r"Product Name:\s+(.+)\Z"
+        if re.search(match, str(output[:])) is None:
+            self.oa_error_message = ("Blade %d in shelf %d does not exist\n"
+                                     % (blade, shelf))
+            return None
+
+        for line in output:
+            seobj = re.search(match, line)
+            if seobj:
+                return "HP %s" % seobj.group(1)
+        return False
+
+    def power_off_blades(self, shelf, blade_list):
+        return self.set_state(shelf, 'locked', blade_list=blade_list)
+
+    def power_on_blades(self, shelf, blade_list):
+        return self.set_state(shelf, 'unlocked', blade_list=blade_list)
+
+    def set_boot_order_blades(self, shelf, blade_list):
+        return self.set_boot_order(shelf, blade_list=blade_list)
+
+    def power_off_blade(self, shelf, blade):
+        return self.set_state(shelf, 'locked', one_blade=blade)
+
+    def power_on_blade(self, shelf, blade):
+        return self.set_state(shelf, 'unlocked', one_blade=blade)
+
+    def set_boot_order_blade(self, shelf, blade):
+        return self.set_boot_order(shelf, one_blade=blade)
+
+    # Search HP's OA server info for MAC for left and right control
+    def find_mac(self, printout, shelf, blade):
+        left = False
+        right = False
+        for line in printout:
+            if ("No Server Blade Installed" in line or
+                    "Invalid Arguments" in line):
+                raise self.NoInfoFoundError("Blade %d in shelf %d "
+                                            "does not exist." % (blade, shelf))
+            seobj = re.search(r"LOM1:1-a\s+([0-9A-F:]+)", line, re.I)
+            if seobj:
+                left = seobj.group(1)
+            else:
+                seobj = re.search(r"LOM1:2-a\s+([0-9A-F:]+)", line, re.I)
+                if seobj:
+                    right = seobj.group(1)
+            if left and right:
+                return left, right
+        raise self.NoInfoFoundError("Could not find MAC for blade %d "
+                                    "in shelf %d." % (blade, shelf))
+
+    # Do power on or off on all configured blades in shelf
+    # Return None to indicate that no connection do OA succeeded,
+    # Return False to indicate some connection to OA succeeded,
+    # or config error
+    # Return True to indicate that power state succesfully updated
+    # state: locked, unlocked
+    def set_state(self, shelf, state, one_blade=None, blade_list=None):
+        if state not in ['locked', 'unlocked']:
+            return None
+
+        if one_blade:
+            LOG.debug("Entering: set_state_hp(%d,%s,%d)" %
+                      (shelf, state, one_blade))
+        else:
+            LOG.debug("Entering: set_state_hp(%d,%s)" % (shelf, state))
+
+        self.oa_error_message = ''
+
+        oa = RunOACommand(self.mgmt_ip, self.username, self.password)
+
+        LOG.debug("Connect to active OA for shelf %d" % shelf)
+
+        try:
+            res = oa.connect_to_active()
+        except:
+            self.oa_error_message = oa.error_message
+            return None
+        if res is None:
+            self.oa_error_message = oa.error_message
+            return None
+        if not oa.connected():
+            self.oa_error_message = oa.error_message
+            return False
+
+        if one_blade:
+            blades = [one_blade]
+        else:
+            blades = sorted(blade_list)
+
+        LOG.debug("Check if blades are present")
+
+        check = "show server list"
+
+        LOG.debug("Send command to OA: %s" % check)
+        output = oa.send_command(check)
+        first = True
+        bladelist = ''
+        for blade in blades:
+            prog = re.compile(r"\s+" + str(blade) + r"\s+\[Absent\]",
+                              re.MULTILINE)
+            if prog.search(str(output[:])) is not None:
+                oa.close()
+                self.oa_error_message = ("Blade %d in shelf %d "
+                                         % (blade, shelf))
+                if one_blade:
+                    self.oa_error_message += ("does not exist.\n"
+                                         "Set state %s not performed.\n"
+                                         % state)
+                else:
+                    self.oa_error_message += (
+                        "specified but does not exist.\nSet "
+                        "state %s not performed on shelf %d\n"
+                        % (state, shelf))
+                return False
+            if not first:
+                bladelist += ","
+            else:
+                first = False
+            bladelist += str(blade)
+
+        if blade_list:
+            LOG.debug("All blades present")
+
+        # Use leading upper case on On/Off so it can be reused in match
+        extra = ""
+        if state == "locked":
+            powerstate = "Off"
+            extra = "force"
+        else:
+            powerstate = "On"
+
+        cmd = "power%s server %s" % (powerstate, bladelist)
+
+        if extra != "":
+            cmd += " %s" % extra
+
+        LOG.debug("Send command to OA: %s" % cmd)
+
+        try:
+            oa.send_command(cmd)
+        except:
+            self.oa_error_message = oa.error_message
+            oa.close()
+            return False
+
+        # Check that all blades reach the state which can take some time,
+        # so re-try a couple of times
+        LOG.debug("Check if state %s successfully set" % state)
+        recheck = 2
+        while True:
+            LOG.debug("Send command to OA: %s" % check)
+            try:
+                output = oa.send_command(check)
+            except:
+                self.oa_error_message = oa.error_message
+                oa.close()
+                return False
+            for blade in blades:
+                match = (r"\s+" + str(blade) +
+                         r"\s+\w+\s+\w+.\w+.\w+.\w+\s+\w+\s+%s" %
+                         powerstate)
+                prog = re.compile(match, re.MULTILINE)
+                if prog.search(str(output[:])) is None:
+                    recheck -= 1
+                    if recheck >= 0:
+                        # Re-try
+                        time.sleep(3)
+                        break
+                    oa.close()
+                    self.oa_error_message = (
+                        "Could not set state %s on blade %d in shelf %d\n"
+                        % (state, one_blade, shelf))
+                    for line in output:
+                        self.oa_error_message += line
+                    return False
+            else:
+                # state reached for all blades, exit the infinite loop
+                break
+
+        if one_blade:
+            LOG.debug("State %s successfully set on blade %d in shelf %d"
+                      % (state, one_blade, shelf))
+        else:
+            LOG.debug("State %s successfully set on blades %s in shelf %d"
+                      % (state, blade_list, shelf))
+        oa.close()
+        return True
+
+    # Change boot order on all blades in shelf
+    # Return None to indicate that no connection do OA succeeded,
+    # Return False to indicate some connection to OA succeeded,
+    # or config error,
+    # Return True to indicate that boot order succesfully changed
+    def set_boot_order(self, shelf, one_blade=None, blade_list=None):
+
+        if one_blade:
+            LOG.debug("Entering: set_bootorder_hp(%d,%d)" % (shelf, one_blade))
+        else:
+            LOG.debug("Entering: set_bootorder_hp(%d)" % shelf)
+
+        self.oa_error_message = ''
+
+        oa = RunOACommand(self.mgmt_ip, self.username, self.password)
+
+        LOG.debug("Connect to active OA for shelf %d" % shelf)
+
+        try:
+            res = oa.connect_to_active()
+        except:
+            self.oa_error_message = oa.error_message
+            return None
+        if res is None:
+            self.oa_error_message = oa.error_message
+            return None
+        if not oa.connected():
+            self.oa_error_message = oa.error_message
+            return False
+
+        if one_blade:
+            blades = [one_blade]
+        else:
+            blades = sorted(blade_list)
+
+        LOG.debug("Check if blades are present")
+
+        check = "show server list"
+
+        LOG.debug("Send command to OA: %s" % check)
+
+        output = oa.send_command(check)
+        first = True
+        bladelist = ''
+        for blade in blades:
+            prog = re.compile(r"\s+" + str(blade) + r"\s+\[Absent\]",
+                              re.MULTILINE)
+            if prog.search(str(output[:])) is not None:
+                oa.close()
+                self.oa_error_message = ("Blade %d in shelf %d "
+                                         % (blade, shelf))
+                if one_blade:
+                    self.oa_error_message += (
+                        "does not exist.\nChange boot order not performed.\n")
+                else:
+                    self.oa_error_message += (
+                        "specified but does not exist.\n"
+                        "Change boot order not performed on shelf %d\n"
+                        % shelf)
+                return False
+            if not first:
+                bladelist += ','
+            else:
+                first = False
+            bladelist += str(blade)
+
+        if blade_list:
+            LOG.debug("All blades present")
+
+        # Boot origins are pushed so first set boot from hard disk, then PXE
+        # NB! If we want to support boot from SD we must add USB to the "stack"
+        cmd1 = "set server boot first hdd %s" % bladelist
+        cmd2 = "set server boot first pxe %s" % bladelist
+        for cmd in [cmd1, cmd2]:
+
+            LOG.debug("Send command to OA: %s" % cmd)
+            try:
+                output = oa.send_command(cmd)
+            except:
+                self.oa_error_message = oa.error_message
+                for line in output:
+                    self.oa_error_message += line
+                oa.close()
+                return False
+
+        # Check that all blades got the correct boot order
+        # Needs updating if USB is added
+        LOG.debug("Check if boot order successfully set")
+        match = (r"^.*Boot Order\):\',\s*\'(\\t)+PXE NIC 1\',\s*\'(\\t)"
+                 r"+Hard Drive")
+        prog = re.compile(match)
+        for blade in blades:
+
+            check = "show server boot %d" % blade
+
+            LOG.debug("Send command to OA: %s" % check)
+            try:
+                output = oa.send_command(check)
+            except:
+                self.oa_error_message = oa.error_message
+                oa.close()
+                return False
+            if prog.search(str(output[:])) is None:
+                oa.close()
+                self.oa_error_message = ("Failed to set boot order on blade "
+                                         "%d in shelf %d\n" % (blade, shelf))
+                for line in output:
+                    self.oa_error_message += line
+                return False
+            LOG.debug("Boot order successfully set on blade %d in shelf %d"
+                      % (blade, shelf))
+
+        if blade_list:
+            LOG.debug("Boot order successfully set on all configured blades "
+                      "in shelf %d" % (shelf))
+        oa.close()
+        return True
diff --git a/fuel/deploy/cloud_deploy/hardware_adapters/hp/run_oa_command.py b/fuel/deploy/cloud_deploy/hardware_adapters/hp/run_oa_command.py
new file mode 100644
index 0000000..36fac77
--- /dev/null
+++ b/fuel/deploy/cloud_deploy/hardware_adapters/hp/run_oa_command.py
@@ -0,0 +1,110 @@
+import socket
+import paramiko
+
+from cloud import common
+
+LOG = common.LOG
+
+class RunOACommand:
+
+    def __init__(self, mgmt_ip, username, password):
+        self.ssh = None
+        self.mgmt_ip = mgmt_ip
+        self.username = username
+        self.password = password
+        self.error_message = ""
+
+    def connected(self):
+        return self.ssh is not None
+
+    def close(self):
+        if self.connected():
+            self.ssh.close()
+            self.ssh = None
+        self.error_message = ""
+
+    def connect(self):
+        LOG.info("Trying to connect to OA at %s" % self.mgmt_ip)
+        try:
+            self.ssh.connect(self.mgmt_ip,
+                             username=self.username,
+                             password=self.password,
+                             look_for_keys=False,
+                             allow_agent=False)
+            return True
+        except socket.error, (err, message):
+            self.error_message += ("Can not talk to OA %s: %s\n" %
+                                   (self.mgmt_ip, message))
+        except Exception as e:
+            self.error_message += ("Can not talk to OA %s: %s\n" %
+                                   (self.mgmt_ip, e.args))
+            LOG.error("Failed to connect to OA at %s" % self.mgmt_ip)
+        return False
+
+    # Return None if this most likely is not an OA
+    #        False if we failed to connect to an active OA
+    #        True if connected
+    def connect_to_active(self):
+        self.error_message = "OA connect failed with these errors:\n"
+
+        self.ssh = paramiko.SSHClient()
+        self.ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
+
+        initial_mgmt_ip = self.mgmt_ip
+        if not self.connect(self.mgmt_ip, self.username, self.password):
+            octets = self.mgmt_ip.split(".")
+            self.mgmt_ip = "%s.%s.%s.%s" % (octets[0],
+                                            octets[1],
+                                            octets[2],
+                                            str(int(octets[3]) + 1))
+            if not self.connect(self.mgmt_ip, self.username, self.password):
+                self.ssh = None
+                LOG.error("Failed to connect to OA at %s (and %s)" %
+                          (initial_mgmt_ip, self.mgmt_ip))
+                return None
+
+        output = self.send_command("show oa status")
+        for line in output:
+            if "Standby" in line:
+                self.ssh.close()
+                self.error_message += (
+                    "%s is the standby OA, trying next OA\n" % self.mgmt_ip)
+                LOG.info("%s is the standby OA" % self.mgmt_ip)
+                if self.mgmt_ip != initial_mgmt_ip:
+                    self.error_message += (
+                        "Can only talk to OA %s which is the standby OA\n" %
+                        self.mgmt_ip)
+                    self.ssh = None
+                    return False
+                else:
+                    octets = self.mgmt_ip.split(".")
+                    self.mgmt_ip = "%s.%s.%s.%s" % (octets[0],
+                                                    octets[1],
+                                                    octets[2],
+                                                    str(int(octets[3]) + 1))
+                    if not self.connect(self.mgmt_ip, self.username,
+                                        self.password):
+                        self.ssh = None
+                        return False
+        LOG.info("Connected to active OA at %s" % self.mgmt_ip)
+        self.error_message = ""
+        return True
+
+    def send_command(self, cmd):
+        if not self.connected():
+            self.error_message = (
+                "Not connected, cannot send command %s\n" % (cmd))
+            raise
+
+        LOG.info('Sending "%s" to %s' % (cmd, self.mgmt_ip))
+        stdin, stdout, stderr = self.ssh.exec_command(cmd)
+        output = []
+        for line in stdout.read().splitlines():
+            if line != '':
+                output.append(line)
+        return output
+
+    def __exit__(self, type, value, traceback):
+        if self.connected():
+            self.close()
+            self.ssh = None
\ No newline at end of file
diff --git a/fuel/deploy/cloud_deploy/hardware_adapters/libvirt/__init__.py b/fuel/deploy/cloud_deploy/hardware_adapters/libvirt/__init__.py
new file mode 100644
index 0000000..c274feb
--- /dev/null
+++ b/fuel/deploy/cloud_deploy/hardware_adapters/libvirt/__init__.py
@@ -0,0 +1 @@
+__author__ = 'eszicse'
diff --git a/fuel/deploy/cloud_deploy/hardware_adapters/libvirt/libvirt_adapter.py b/fuel/deploy/cloud_deploy/hardware_adapters/libvirt/libvirt_adapter.py
new file mode 100644
index 0000000..d332e59
--- /dev/null
+++ b/fuel/deploy/cloud_deploy/hardware_adapters/libvirt/libvirt_adapter.py
@@ -0,0 +1,153 @@
+from lxml import etree
+from cloud import common
+from ssh_client import SSHClient
+
+exec_cmd = common.exec_cmd
+err = common.err
+LOG = common.LOG
+
+
+class LibvirtAdapter(object):
+
+    def __init__(self, mgmt_ip, username, password):
+        self.mgmt_ip = mgmt_ip
+        self.username = username
+        self.password = password
+        self.parser = etree.XMLParser(remove_blank_text=True)
+
+    def power_off_blades(self, shelf, blade_list):
+        ssh = SSHClient(self.mgmt_ip, self.username, self.password)
+        ssh.open()
+        for blade in blade_list:
+            LOG.debug('Power off blade %s in shelf %s' % (blade, shelf))
+            vm_name = 's%s_b%s' % (shelf, blade)
+            resp = ssh.execute('virsh destroy %s' % vm_name)
+            LOG.debug('response: %s' % resp)
+        ssh.close()
+
+    def power_on_blades(self, shelf, blade_list):
+        ssh = SSHClient(self.mgmt_ip, self.username, self.password)
+        ssh.open()
+        for blade in blade_list:
+            LOG.debug('Power on blade %s in shelf %s' % (blade, shelf))
+            vm_name = 's%s_b%s' % (shelf, blade)
+            resp = ssh.execute('virsh start %s' % vm_name)
+            LOG.debug('response: %s' % resp)
+        ssh.close()
+
+    def set_boot_order_blades(self, shelf, blade_list, boot_dev_list=None):
+        if not boot_dev_list:
+            boot_dev_list = ['network', 'hd']
+        ssh = SSHClient(self.mgmt_ip, self.username, self.password)
+        ssh.open()
+        temp_dir= ssh.execute('mktemp -d').strip()
+        for blade in blade_list:
+            LOG.debug('Set boot order %s on blade %s in shelf %s'
+                  % (boot_dev_list, blade, shelf))
+            vm_name = 's%s_b%s' % (shelf, blade)
+            resp = ssh.execute('virsh dumpxml %s' % vm_name)
+            xml_dump = etree.fromstring(resp, self.parser)
+            os = xml_dump.xpath('/domain/os')
+            for o in os:
+                for bootelem in ['boot', 'bootmenu']:
+                    boot = o.xpath(bootelem)
+                    for b in boot:
+                        b.getparent().remove(b)
+                for dev in boot_dev_list:
+                    b = etree.Element('boot')
+                    b.set('dev', dev)
+                    o.append(b)
+                bmenu = etree.Element('bootmenu')
+                bmenu.set('enable', 'no')
+                o.append(bmenu)
+            tree = etree.ElementTree(xml_dump)
+            xml_file = temp_dir + '/%s.xml' % vm_name
+            with open(xml_file, 'w') as f:
+                tree.write(f, pretty_print=True, xml_declaration=True)
+            ssh.execute('virsh define %s' % xml_file)
+        ssh.execute('rm -fr %s' % temp_dir)
+        ssh.close()
+
+    def get_blades_mac_addresses(self, shelf, blade_list):
+        LOG.debug('Get the MAC addresses of blades %s in shelf %s'
+              % (blade_list, shelf))
+        macs_per_blade_dict = {}
+        ssh = SSHClient(self.mgmt_ip, self.username, self.password)
+        ssh.open()
+        for blade in blade_list:
+            vm_name = 's%s_b%s' % (shelf, blade)
+            mac_list = macs_per_blade_dict[blade] = []
+            resp = ssh.execute('virsh dumpxml %s' % vm_name)
+            xml_dump = etree.fromstring(resp)
+            interfaces = xml_dump.xpath('/domain/devices/interface')
+            for interface in interfaces:
+                macs = interface.xpath('mac')
+                for mac in macs:
+                    mac_list.append(mac.get('address'))
+        ssh.close()
+        return macs_per_blade_dict
+
+    def load_image_file(self, shelf=None, blade=None, vm=None,
+                        image_path=None):
+        if shelf and blade:
+            vm_name = 's%s_b%s' % (shelf, blade)
+        else:
+            vm_name = vm
+
+        LOG.debug('Load media file %s into %s '
+                  % (image_path, 'vm %s' % vm if vm else 'blade %s in shelf %s'
+                                                         % (shelf, blade)))
+
+        ssh = SSHClient(self.mgmt_ip, self.username, self.password)
+        ssh.open()
+        temp_dir= ssh.execute('mktemp -d').strip()
+        resp = ssh.execute('virsh dumpxml %s' % vm_name)
+        xml_dump = etree.fromstring(resp)
+
+        disks = xml_dump.xpath('/domain/devices/disk')
+        for disk in disks:
+            if disk.get('device') == 'cdrom':
+                disk.set('type', 'file')
+                sources = disk.xpath('source')
+                for source in sources:
+                    disk.remove(source)
+                source = etree.SubElement(disk, 'source')
+                source.set('file', image_path)
+        tree = etree.ElementTree(xml_dump)
+        xml_file = temp_dir + '/%s.xml' % vm_name
+        with open(xml_file, 'w') as f:
+            tree.write(f, pretty_print=True, xml_declaration=True)
+        ssh.execute('virsh define %s' % xml_file)
+        ssh.execute('rm -fr %s' % temp_dir)
+        ssh.close()
+
+    def eject_image_file(self, shelf=None, blade=None, vm=None):
+        if shelf and blade:
+            vm_name = 's%s_b%s' % (shelf, blade)
+        else:
+            vm_name = vm
+
+        LOG.debug('Eject media file from %s '
+                  % 'vm %s' % vm if vm else 'blade %s in shelf %s'
+                                            % (shelf, blade))
+
+        ssh = SSHClient(self.mgmt_ip, self.username, self.password)
+        ssh.open()
+        temp_dir= ssh.execute('mktemp -d').strip()
+        resp = ssh.execute('virsh dumpxml %s' % vm_name)
+        xml_dump = etree.fromstring(resp)
+
+        disks = xml_dump.xpath('/domain/devices/disk')
+        for disk in disks:
+            if disk.get('device') == 'cdrom':
+                disk.set('type', 'block')
+                sources = disk.xpath('source')
+                for source in sources:
+                    disk.remove(source)
+        tree = etree.ElementTree(xml_dump)
+        xml_file = temp_dir + '/%s.xml' % vm_name
+        with open(xml_file, 'w') as f:
+            tree.write(f, pretty_print=True, xml_declaration=True)
+        ssh.execute('virsh define %s' % xml_file)
+        ssh.execute('rm -fr %s' % temp_dir)
+        ssh.close()