def cleanup(self):
        """
        Called only if PackStack Setup is successful. Returns modified system environment to default.
        It performs the following activities:
        1. Enable Repositories, during installation default repos are disabled {for offline install}
        (NOTE: EPEL repo is not changed back to default, it still points to /root/cloud/)
        2. Remove rabbitmq entry from /etc/hosts file
        3. Disable initial-setup-text service

        """
        count = 3
        for line in fileinput.input(ROOT_PATH + "/etc/yum.repos.d/CentOS-Base.repo", inplace=True):
            if line.startswith("enabled"):
                if count > 0:
                    count -= 1
                    print(line.replace("enabled=0", "enabled=1").rstrip("\n"))
                else:
                    print line,
            else:
                print line,
        fileinput.close()

        for line in fileinput.input(ROOT_PATH + '/etc/hosts', inplace=True):
                print(line.replace("127.0.0.1 www.rabbitmq.com", "").rstrip("\n"))
        fileinput.close()

        ret = iutil._run_systemctl("disable", "initial-setup-text")
        if ret:
            print ("Failed to Disable INITIAL-SETUP-UTILITY\n")
            return False
        os.remove(os.path.normcase(ROOT_PATH + "/var/www/html/rabbitmq-signing-key-public.asc"))
        return True
    def cleanup(self):
        """
        Called only if PackStack Setup is successful. Returns modified system environment to default.
        It performs the following activities:
        1. Enable Repositories, during installation default repos are disabled {for offline install}
        (NOTE: EPEL repo is not changed back to default, it still points to /root/cloud/)
        2. Remove rabbitmq entry from /etc/hosts file
        3. Disable initial-setup-text service

        """
        count = 3
        for line in fileinput.input(ROOT_PATH +
                                    "/etc/yum.repos.d/CentOS-Base.repo",
                                    inplace=True):
            if line.startswith("enabled"):
                if count > 0:
                    count -= 1
                    print(line.replace("enabled=0", "enabled=1").rstrip("\n"))
                else:
                    print line,
            else:
                print line,
        fileinput.close()

        for line in fileinput.input(ROOT_PATH + '/etc/hosts', inplace=True):
            print(line.replace("127.0.0.1 www.rabbitmq.com", "").rstrip("\n"))
        fileinput.close()

        ret = iutil._run_systemctl("disable", "initial-setup-text")
        if ret:
            print("Failed to Disable INITIAL-SETUP-UTILITY\n")
            return False
        os.remove(
            os.path.normcase(ROOT_PATH +
                             "/var/www/html/rabbitmq-signing-key-public.asc"))
        return True
    def execute(self, storage, ksdata, instclass, users):
        """
        Post install activities, first copy the answer file
        from location given in kickstart. Second copy cirrios
        image and rabbitmq public key (both needed for offline packstack run)
        """
        # Create Answers file from given URL TODO:Copy the answer file to host
        if self.state == "True" and self.env == "anaconda":
            os.mkdir(ROOT_PATH + ADDON_DIRECTORY)
            # if (self.lines is not None) and not (self.lines == "") :
            #     answer_file = os.path.normpath(ROOT_PATH + ADDON_DIRECTORY + "answer-file.txt")
            #     with open(answer_file, "w") as fobj:
            #         fobj.write("%s\n" % self.lines)

            # Copying repodata, cirrios image & rabbitmq public key to Host system from media
            tmpdirectory = tempfile.mkdtemp()
            util.mount(device="/dev/disk/by-label/CentOS\\x207\\x20x86_64", mountpoint=tmpdirectory, fstype="auto")
            copy_tree(tmpdirectory + "/Packages/RDO", os.path.normcase(ROOT_PATH + ADDON_DIRECTORY))
            util.umount(tmpdirectory)
            shutil.rmtree(tmpdirectory)
            with open(ROOT_PATH + '/etc/hosts', 'a') as file:
                file.write('127.0.0.1 www.rabbitmq.com\n')
            file.close()
            # Copy Addon itself to /usr/share/anaconda/addons
            #TODO: Once Packaged remove this step
            if os.path.exists(ROOT_PATH + "/usr/share/anaconda/addons/org_centos_cloud"):
                os.mkdir(ROOT_PATH + "/usr/share/anaconda/addons/org_centos_cloud")
            shutil.copytree("/usr/share/anaconda/addons/org_centos_cloud",
                            os.path.normcase(ROOT_PATH + "/usr/share/anaconda/addons/org_centos_cloud"))

            # Enabling initial-setup-text service,
            # TODO: Check if Graphical OR Text Service to Enable
            #initial-setup-text.service: Adding $HOME=/root ENV Variable & Enabling
            for line in fileinput.input(ROOT_PATH + '/usr/lib/systemd/system/initial-setup-text.service', inplace=1):
                if line.startswith('Type'):
                    print 'Environment=HOME=/root'
                print line,
            rc = iutil.execInSysroot("ln", ["-s", "usr/lib/systemd/system/initial-setup-text.service",
                                            "etc/systemd/system/multi-user.target.wants/initial-setup-text.service"])
            if rc:
                msg = "Initializing initial-setup-text service failed"
                raise KickstartValueError(msg)
            # NetworkManager: Disable
            rc = iutil.execInSysroot("rm", ["-rf", "etc/systemd/system/multi-user.target.wants/NetworkManager.service",
                                            "etc/systemd/system/dbus-org.freedesktop.NetworkManager.service",
                                            "etc/systemd/system/dbus-org.freedesktop.nm-dispatcher.service"])
            if rc:
                msg = "Disabling Network Failed"
                raise KickstartValueError(msg)

        elif (self.env == "firstboot") and (self.state == "True"):

            rc = iutil._run_systemctl("enable", "network")
            if rc:
                print ("Network start failed")
            ret = self.run_packstack()
            if ret:
                if (self.cleanup()):
                    raw_input("OpenStack Successfully Setup! Press Any Key To Continue...")
                else:
                    raw_input(
                        "Warning! OpenStack Successfully Setup But System Cleanup failed. Press Any Key To Continue...")
        else:
            pass
    def execute(self, storage, ksdata, instclass, users):
        """
        Post install activities, first copy the answer file
        from location given in kickstart. Second copy cirrios
        image and rabbitmq public key (both needed for offline packstack run)
        """
        # Create Answers file from given URL TODO:Copy the answer file to host
        if self.state == "True" and self.env == "anaconda":
            os.mkdir(ROOT_PATH + ADDON_DIRECTORY)
            # if (self.lines is not None) and not (self.lines == "") :
            #     answer_file = os.path.normpath(ROOT_PATH + ADDON_DIRECTORY + "answer-file.txt")
            #     with open(answer_file, "w") as fobj:
            #         fobj.write("%s\n" % self.lines)

            # Copying repodata, cirrios image & rabbitmq public key to Host system from media
            tmpdirectory = tempfile.mkdtemp()
            util.mount(device="/dev/disk/by-label/CentOS\\x207\\x20x86_64",
                       mountpoint=tmpdirectory,
                       fstype="auto")
            copy_tree(tmpdirectory + "/Packages/RDO",
                      os.path.normcase(ROOT_PATH + ADDON_DIRECTORY))
            util.umount(tmpdirectory)
            shutil.rmtree(tmpdirectory)
            with open(ROOT_PATH + '/etc/hosts', 'a') as file:
                file.write('127.0.0.1 www.rabbitmq.com\n')
            file.close()
            # Copy Addon itself to /usr/share/anaconda/addons
            #TODO: Once Packaged remove this step
            if os.path.exists(ROOT_PATH +
                              "/usr/share/anaconda/addons/org_centos_cloud"):
                os.mkdir(ROOT_PATH +
                         "/usr/share/anaconda/addons/org_centos_cloud")
            shutil.copytree(
                "/usr/share/anaconda/addons/org_centos_cloud",
                os.path.normcase(
                    ROOT_PATH + "/usr/share/anaconda/addons/org_centos_cloud"))

            # Enabling initial-setup-text service,
            # TODO: Check if Graphical OR Text Service to Enable
            #initial-setup-text.service: Adding $HOME=/root ENV Variable & Enabling
            for line in fileinput.input(
                    ROOT_PATH +
                    '/usr/lib/systemd/system/initial-setup-text.service',
                    inplace=1):
                if line.startswith('Type'):
                    print 'Environment=HOME=/root'
                print line,
            rc = iutil.execInSysroot("ln", [
                "-s", "usr/lib/systemd/system/initial-setup-text.service",
                "etc/systemd/system/multi-user.target.wants/initial-setup-text.service"
            ])
            if rc:
                msg = "Initializing initial-setup-text service failed"
                raise KickstartValueError(msg)
            # NetworkManager: Disable
            rc = iutil.execInSysroot("rm", [
                "-rf",
                "etc/systemd/system/multi-user.target.wants/NetworkManager.service",
                "etc/systemd/system/dbus-org.freedesktop.NetworkManager.service",
                "etc/systemd/system/dbus-org.freedesktop.nm-dispatcher.service"
            ])
            if rc:
                msg = "Disabling Network Failed"
                raise KickstartValueError(msg)

        elif (self.env == "firstboot") and (self.state == "True"):

            rc = iutil._run_systemctl("enable", "network")
            if rc:
                print("Network start failed")
            ret = self.run_packstack()
            if ret:
                if (self.cleanup()):
                    raw_input(
                        "OpenStack Successfully Setup! Press Any Key To Continue..."
                    )
                else:
                    raw_input(
                        "Warning! OpenStack Successfully Setup But System Cleanup failed. Press Any Key To Continue..."
                    )
        else:
            pass