How to use _base_tmpdir method in avocado

Best Python code snippet using avocado_python

bootloader.py

Source:bootloader.py

1# Copyright (C) 2013 Linaro Limited2#3# Author: Tyler Baker <tyler.baker@linaro.org>4#5# This file is part of LAVA Dispatcher.6#7# LAVA Dispatcher is free software; you can redistribute it and/or modify8# it under the terms of the GNU General Public License as published by9# the Free Software Foundation; either version 2 of the License, or10# (at your option) any later version.11#12# LAVA Dispatcher is distributed in the hope that it will be useful,13# but WITHOUT ANY WARRANTY; without even the implied warranty of14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.    See the15# GNU General Public License for more details.16#17# You should have received a copy of the GNU General Public License18# along19# with this program; if not, see <http://www.gnu.org/licenses>.20import logging21import contextlib22import subprocess23from lava_dispatcher.device.master import (24    MasterImageTarget25)26from lava_dispatcher.client.base import (27    NetworkCommandRunner,28)29from lava_dispatcher.utils import (30    finalize_process,31    connect_to_serial,32    extract_overlay,33    extract_ramdisk,34    create_ramdisk,35    ensure_directory,36    append_dtb,37    create_uimage,38    is_uimage,39)40from lava_dispatcher.errors import (41    CriticalError,42)43from lava_dispatcher.downloader import (44    download_image,45)46from lava_dispatcher import deployment_data47class BootloaderTarget(MasterImageTarget):48    def __init__(self, context, config):49        super(BootloaderTarget, self).__init__(context, config)50        self._booted = False51        self._reset_boot = False52        self._in_test_shell = False53        self._default_boot_cmds = 'boot_cmds_ramdisk'54        self._lava_nfsrootfs = None55        self._uboot_boot = False56        self._ipxe_boot = False57        self._uefi_boot = False58        self._boot_tags = {}59        self._base_tmpdir, self._tmpdir = self._setup_tmpdir()60    def _get_http_url(self, path):61        prefix = self.context.config.lava_image_url62        return prefix + '/' + self._get_rel_path(path, self._base_tmpdir)63    def _set_load_addresses(self, bootz):64        meta = {}65        if not bootz and self.config.u_load_addrs and len(self.config.u_load_addrs) == 3:66            logging.info("Attempting to set uImage Load Addresses")67            self._boot_tags['{KERNEL_ADDR}'] = self.config.u_load_addrs[0]68            self._boot_tags['{RAMDISK_ADDR}'] = self.config.u_load_addrs[1]69            self._boot_tags['{DTB_ADDR}'] = self.config.u_load_addrs[2]70            # Set boot metadata71            meta['kernel-image'] = 'uImage'72            meta['kernel-addr'] = self.config.u_load_addrs[0]73            meta['initrd-addr'] = self.config.u_load_addrs[1]74            meta['dtb-addr'] = self.config.u_load_addrs[2]75            self.context.test_data.add_metadata(meta)76        elif bootz and self.config.z_load_addrs and len(self.config.z_load_addrs) == 3:77            logging.info("Attempting to set zImage Load Addresses")78            self._boot_tags['{KERNEL_ADDR}'] = self.config.z_load_addrs[0]79            self._boot_tags['{RAMDISK_ADDR}'] = self.config.z_load_addrs[1]80            self._boot_tags['{DTB_ADDR}'] = self.config.z_load_addrs[2]81            # Set boot metadata82            meta['kernel-image'] = 'zImage'83            meta['kernel-addr'] = self.config.z_load_addrs[0]84            meta['initrd-addr'] = self.config.z_load_addrs[1]85            meta['dtb-addr'] = self.config.z_load_addrs[2]86            self.context.test_data.add_metadata(meta)87        else:88            logging.debug("Undefined u_load_addrs or z_load_addrs. Three values required!")89    def _get_uboot_boot_command(self, kernel, ramdisk, dtb):90        bootz = False91        bootx = []92        if is_uimage(kernel, self.context):93            logging.info('Attempting to set boot command as bootm')94            bootx.append('bootm')95        else:96            logging.info('Attempting to set boot command as bootz')97            bootx.append('bootz')98            bootz = True99        # At minimal we have a kernel100        bootx.append('${kernel_addr_r}')101        if ramdisk is not None:102            bootx.append('${initrd_addr_r}')103        elif ramdisk is None and dtb is not None:104            bootx.append('-')105        if dtb is not None:106            bootx.append('${fdt_addr_r}')107        self._set_load_addresses(bootz)108        return ' '.join(bootx)109    def _is_uboot(self):110        if self._uboot_boot:111            return True112        else:113            return False114    def _is_ipxe(self):115        if self._ipxe_boot:116            return True117        else:118            return False119    def _is_uefi(self):120        if self._uefi_boot:121            return True122        else:123            return False124    def _is_bootloader(self):125        if self._is_uboot() or self._is_ipxe() or self._is_uefi():126            return True127        else:128            return False129    def _set_boot_type(self, bootloadertype):130        if bootloadertype == "u_boot":131            self._uboot_boot = True132        elif bootloadertype == 'ipxe':133            self._ipxe_boot = True134        elif bootloadertype == 'uefi':135            self._uefi_boot = True136        else:137            raise CriticalError("Unknown bootloader type")138    def deploy_linaro_kernel(self, kernel, ramdisk, dtb, overlays, rootfs, nfsrootfs, image, bootloader, firmware, bl0, bl1,139                             bl2, bl31, rootfstype, bootloadertype, target_type, qemu_pflash=None):140        if self.__deployment_data__ is None:141            # Get deployment data142            logging.debug("Attempting to set deployment data")143            self.deployment_data = deployment_data.get(target_type)144        else:145            # Reset deployment data146            logging.debug("Attempting to reset deployment data")147            self.power_off(self.proc)148            self.__init__(self.context, self.config)149            # Get deployment data150            self.deployment_data = deployment_data.get(target_type)151        # We set the boot type152        self._set_boot_type(bootloadertype)153        # At a minimum we must have a kernel154        if kernel is None:155            raise CriticalError("No kernel image to boot")156        if self._is_uboot() or self._is_uefi() or self._is_ipxe():157            # Set the server IP (Dispatcher)158            self._boot_tags['{SERVER_IP}'] = self.context.config.lava_server_ip159            # We have been passed kernel image160            kernel = download_image(kernel, self.context,161                                    self._tmpdir, decompress=False)162            if self._is_uboot() or self._is_uefi():163                if self.config.uimage_only and not is_uimage(kernel, self.context):164                    if len(self.config.u_load_addrs) == 3:165                        if self.config.text_offset:166                            load_addr = self.config.text_offset167                        else:168                            load_addr = self.config.u_load_addrs[0]169                        kernel = create_uimage(kernel, load_addr,170                                               self._tmpdir, self.config.uimage_xip)171                        logging.info('uImage created successfully')172                    else:173                        logging.error('Undefined u_load_addrs, aborting uImage creation')174            self._boot_tags['{KERNEL}'] = self._get_rel_path(kernel, self._base_tmpdir)175            if ramdisk is not None:176                # We have been passed a ramdisk177                ramdisk = download_image(ramdisk, self.context,178                                         self._tmpdir,179                                         decompress=False)180                if overlays is not None:181                    ramdisk_dir = extract_ramdisk(ramdisk, self._tmpdir,182                                                  is_uboot=self._is_uboot_ramdisk(ramdisk))183                    for overlay in overlays:184                        overlay = download_image(overlay, self.context,185                                                 self._tmpdir,186                                                 decompress=False)187                        extract_overlay(overlay, ramdisk_dir)188                    ramdisk = create_ramdisk(ramdisk_dir, self._tmpdir)189                if self._is_uboot():190                    # Ensure ramdisk has u-boot header191                    if not self._is_uboot_ramdisk(ramdisk):192                        ramdisk_uboot = ramdisk + ".uboot"193                        logging.info("RAMdisk needs u-boot header.  Adding.")194                        cmd = "mkimage -A arm -T ramdisk -C none -d %s %s > /dev/null" \195                            % (ramdisk, ramdisk_uboot)196                        r = subprocess.call(cmd, shell=True)197                        if r == 0:198                            ramdisk = ramdisk_uboot199                        else:200                            logging.warning("Unable to add u-boot header to ramdisk.  Tried %s", cmd)201                self._boot_tags['{RAMDISK}'] = self._get_rel_path(ramdisk, self._base_tmpdir)202            if dtb is not None:203                # We have been passed a device tree blob204                dtb = download_image(dtb, self.context,205                                     self._tmpdir, decompress=False)206                if self.config.append_dtb:207                    kernel = append_dtb(kernel, dtb, self._tmpdir)208                    logging.info('Appended dtb to kernel image successfully')209                    self._boot_tags['{KERNEL}'] = self._get_rel_path(kernel, self._base_tmpdir)210                else:211                    self._boot_tags['{DTB}'] = self._get_rel_path(dtb, self._base_tmpdir)212            if rootfs is not None:213                # We have been passed a rootfs214                rootfs = download_image(rootfs, self.context,215                                        self._tmpdir, decompress=False)216                self._boot_tags['{ROOTFS}'] = self._get_rel_path(rootfs, self._base_tmpdir)217            if nfsrootfs is not None:218                # Extract rootfs into nfsrootfs directory219                nfsrootfs = download_image(nfsrootfs, self.context,220                                           self._tmpdir,221                                           decompress=False)222                self._lava_nfsrootfs = self._setup_nfs(nfsrootfs, self._tmpdir)223                self._default_boot_cmds = 'boot_cmds_nfs'224                self._boot_tags['{NFSROOTFS}'] = self._lava_nfsrootfs225                if overlays is not None and ramdisk is None:226                    for overlay in overlays:227                        overlay = download_image(overlay, self.context,228                                                 self._tmpdir,229                                                 decompress=False)230                        extract_overlay(overlay, self._lava_nfsrootfs)231            if bootloader is not None:232                # We have been passed a bootloader233                bootloader = download_image(bootloader, self.context,234                                            self._tmpdir,235                                            decompress=False)236                self._boot_tags['{BOOTLOADER}'] = self._get_rel_path(bootloader, self._base_tmpdir)237            if firmware is not None:238                # We have been passed firmware239                firmware = download_image(firmware, self.context,240                                          self._tmpdir,241                                          decompress=False)242                self._boot_tags['{FIRMWARE}'] = self._get_rel_path(firmware, self._base_tmpdir)243            if self._is_uboot():244                self._boot_tags['{BOOTX}'] = self._get_uboot_boot_command(kernel,245                                                                          ramdisk,246                                                                          dtb)247    def deploy_linaro(self, hwpack, rfs, dtb, rootfstype, bootfstype,248                      bootloadertype, qemu_pflash=None):249        self._uboot_boot = False250        super(BootloaderTarget, self).deploy_linaro(hwpack, rfs, dtb,251                                                    rootfstype, bootfstype,252                                                    bootloadertype, qemu_pflash=qemu_pflash)253    def deploy_linaro_prebuilt(self, image, dtb, rootfstype, bootfstype, bootloadertype, qemu_pflash=None):254        self._uboot_boot = False255        if self._is_ipxe():256            if image is not None:257                self._ipxe_boot = True258                # We are not booted yet259                self._booted = False260                # We specify OE deployment data, vanilla as possible261                self.deployment_data = deployment_data.oe262                # We have been passed a image263                image = download_image(image, self.context,264                                       self._tmpdir,265                                       decompress=False)266                image_url = self._get_http_url(image)267                # We are booting an image, can be iso or whole disk268                self._boot_tags['{IMAGE}'] = image_url269            else:270                raise CriticalError("No image to boot")271        else:272            super(BootloaderTarget, self).deploy_linaro_prebuilt(image,273                                                                 dtb,274                                                                 rootfstype,275                                                                 bootfstype,276                                                                 bootloadertype,277                                                                 qemu_pflash=qemu_pflash)278    def _run_boot(self):279        self._load_test_firmware()280        self._enter_bootloader(self.proc)281        boot_cmds = self._load_boot_cmds(default=self._default_boot_cmds,282                                         boot_tags=self._boot_tags)283        # Sometimes a command must be run to clear u-boot console buffer284        if self.config.pre_boot_cmd:285            self.proc.sendline(self.config.pre_boot_cmd,286                               send_char=self.config.send_char)287        self._customize_bootloader(self.proc, boot_cmds)288        self._monitor_boot(self.proc, self.tester_ps1, self.tester_ps1_pattern)289    def _boot_linaro_image(self):290        if self.proc:291            logging.info(self.config.connection_command_terminate)292            if self.config.connection_command_terminate:293                self.proc.sendline(self.config.connection_command_terminate)294            finalize_process(self.proc)295            self.proc = None296        self.proc = connect_to_serial(self.context)297        if self._is_bootloader() and not self._booted:298            if self.config.hard_reset_command or self.config.hard_reset_command == "":299                self._hard_reboot(self.proc)300                self._run_boot()301            else:302                self._soft_reboot(self.proc)303                self._run_boot()304            self._booted = True305        elif self._is_bootloader() and self._booted:306            self.proc.sendline('export PS1="%s"'307                               % self.tester_ps1,308                               send_char=self.config.send_char)309        else:310            super(BootloaderTarget, self)._boot_linaro_image()311    def is_booted(self):312        return self._booted313    def reset_boot(self, in_test_shell=True):314        self._reset_boot = True315        self._booted = False316        self._in_test_shell = in_test_shell317    @contextlib.contextmanager318    def file_system(self, partition, directory):319        if self._is_bootloader() and self._reset_boot:320            self._reset_boot = False321            if self._in_test_shell:322                self._in_test_shell = False323                raise Exception("Operation timed out, resetting platform!")324        if self._is_bootloader() and not self._booted:325            self.context.client.boot_linaro_image()326        if self._is_bootloader() and self._lava_nfsrootfs:327            path = '%s/%s' % (self._lava_nfsrootfs, directory)328            ensure_directory(path)329            yield path330        elif self._is_bootloader():331            pat = self.tester_ps1_pattern332            incrc = self.tester_ps1_includes_rc333            runner = NetworkCommandRunner(self, pat, incrc)334            with self._busybox_file_system(runner, directory) as path:335                yield path336        else:337            with super(BootloaderTarget, self).file_system(338                    partition, directory) as path:339                yield path...

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