tools/helpers/lxc.py

   1 # Copyright 2021 Erfan Abdi
   2 # SPDX-License-Identifier: GPL-3.0-or-later
   3 import subprocess
   4 import os
   5 import re
   6 import logging
   7 import glob
   8 import shutil
   9 import platform
  10 import tools.config
  11 import tools.helpers.run
  12
  13
  14 def get_lxc_version(args):
  15     if shutil.which("lxc-info") is not None:
  16         command = ["lxc-info", "--version"]
  17         version_str = tools.helpers.run.user(args, command, output_return=True)
  18         return int(version_str[0])
  19     else:
  20         return 0
  21
  22
  23 def generate_nodes_lxc_config(args):
  24     def make_entry(src, dist=None, mnt_type="none", options="bind,create=file,optional 0 0", check=True):
  25         if check and not os.path.exists(src):
  26             return False
  27         entry = "lxc.mount.entry = "
  28         entry += src + " "
  29         if dist is None:
  30             dist = src[1:]
  31         entry += dist + " "
  32         entry += mnt_type + " "
  33         entry += options
  34         nodes.append(entry)
  35         return True
  36
  37     nodes = []
  38     # Necessary dev nodes
  39     make_entry("tmpfs", "dev", "tmpfs", "nosuid 0 0", False)
  40     make_entry("/dev/zero")
  41     make_entry("/dev/full")
  42     make_entry("/dev/ashmem", check=False)
  43     make_entry("/dev/fuse")
  44     make_entry("/dev/ion")
  45     make_entry("/dev/char", options="bind,create=dir,optional 0 0")
  46
  47     # Graphic dev nodes
  48     make_entry("/dev/kgsl-3d0")
  49     make_entry("/dev/mali0")
  50     make_entry("/dev/pvr_sync")
  51     make_entry("/dev/pmsg0")
  52     make_entry("/dev/fb0")
  53     make_entry("/dev/graphics/fb0")
  54     make_entry("/dev/fb1")
  55     make_entry("/dev/graphics/fb1")
  56     make_entry("/dev/fb2")
  57     make_entry("/dev/graphics/fb2")
  58     make_entry("/dev/dri", options="bind,create=dir,optional 0 0")
  59
  60     # Binder dev nodes
  61     make_entry("/dev/" + args.BINDER_DRIVER, "dev/binder", check=False)
  62     make_entry("/dev/" + args.VNDBINDER_DRIVER, "dev/vndbinder", check=False)
  63     make_entry("/dev/" + args.HWBINDER_DRIVER, "dev/hwbinder", check=False)
  64
  65     if args.vendor_type != "MAINLINE":
  66         if not make_entry("/dev/hwbinder", "dev/host_hwbinder"):
  67             raise OSError('Binder node "hwbinder" of host not found')
  68         make_entry("/vendor", "vendor_extra", options="bind,optional 0 0")
  69
  70     # Necessary device nodes for adb
  71     make_entry("none", "dev/pts", "devpts", "defaults,mode=644,ptmxmode=666,create=dir 0 0", False)
  72     make_entry("/dev/uhid")
  73
  74     # Low memory killer sys node
  75     make_entry("/sys/module/lowmemorykiller", options="bind,create=dir,optional 0 0")
  76
  77     # Mount /data
  78     make_entry("tmpfs", "mnt", "tmpfs", "mode=0755,uid=0,gid=1000", False)
  79     make_entry(tools.config.defaults["data"], "data", options="bind 0 0", check=False)
  80
  81     # Mount host permissions
  82     make_entry(tools.config.defaults["host_perms"],
  83                "vendor/etc/host-permissions", options="bind,optional 0 0")
  84
  85     # Recursive mount /run to provide necessary host sockets
  86     make_entry("/run", options="rbind,create=dir 0 0")
  87
  88     # Necessary sw_sync node for HWC
  89     make_entry("/dev/sw_sync")
  90     make_entry("/sys/kernel/debug", options="rbind,create=dir,optional 0 0")
  91
  92     # Media dev nodes (for Mediatek)
  93     make_entry("/dev/Vcodec")
  94     make_entry("/dev/MTK_SMI")
  95     make_entry("/dev/mdp_sync")
  96     make_entry("/dev/mtk_cmdq")
  97
  98     # Media dev nodes (for Qcom)
  99     make_entry("/dev/video32")
 100     make_entry("/dev/video33")
 101
 102     return nodes
 103
 104
 105 def set_lxc_config(args):
 106     lxc_path = tools.config.defaults["lxc"] + "/waydroid"
 107     config_file = "config_2"
 108     lxc_ver = get_lxc_version(args)
 109     if lxc_ver == 0:
 110         raise OSError("LXC is not installed")
 111     elif lxc_ver <= 2:
 112         config_file = "config_1"
 113     config_path = tools.config.tools_src + "/data/configs/" + config_file
 114
 115     command = ["mkdir", "-p", lxc_path]
 116     tools.helpers.run.root(args, command)
 117     command = ["cp", "-fpr", config_path, lxc_path + "/config"]
 118     tools.helpers.run.root(args, command)
 119     command = ["sed", "-i", "s/LXCARCH/{}/".format(platform.machine()), lxc_path + "/config"]
 120     tools.helpers.run.root(args, command)
 121
 122     nodes = generate_nodes_lxc_config(args)
 123     config_nodes_tmp_path = args.work + "/config_nodes"
 124     config_nodes = open(config_nodes_tmp_path, "w")
 125     for node in nodes:
 126         config_nodes.write(node + "\n")
 127     config_nodes.close()
 128     command = ["mv", config_nodes_tmp_path, lxc_path]
 129     tools.helpers.run.root(args, command)
 130
 131
 132 def make_base_props(args):
 133     def find_hal(hardware):
 134         hardware_props = [
 135             "ro.hardware." + hardware,
 136             "ro.hardware",
 137             "ro.product.board",
 138             "ro.arch",
 139             "ro.board.platform"]
 140         for p in hardware_props:
 141             prop = tools.helpers.props.host_get(args, p)
 142             hal_prop = ""
 143             if prop != "":
 144                 for lib in ["lib", "lib64"]:
 145                     hal_file = "/vendor/" + lib + "/hw/" + hardware + "." + prop + ".so"
 146                     command = ["readlink", "-f", hal_file]
 147                     hal_file_path = tools.helpers.run.root(args, command, output_return=True).strip()
 148                     if os.path.isfile(hal_file_path):
 149                         hal_prop = re.sub(".*" + hardware + ".", "", hal_file_path)
 150                         hal_prop = re.sub(".so", "", hal_prop)
 151                         if hal_prop != "":
 152                             return hal_prop
 153             if hal_prop != "":
 154                 return hal_prop
 155         return ""
 156
 157     props = []
 158     gralloc = find_hal("gralloc")
 159     if gralloc == "":
 160         gralloc = "gbm"
 161         props.append("ro.hardware.egl=mesa")
 162         props.append("debug.stagefright.ccodec=0")
 163     props.append("ro.hardware.gralloc=" + gralloc)
 164
 165     egl = tools.helpers.props.host_get(args, "ro.hardware.egl")
 166     if egl != "":
 167         props.append("ro.hardware.egl=" + egl)
 168
 169     media_profiles = tools.helpers.props.host_get(args, "media.settings.xml")
 170     if media_profiles != "":
 171         media_profiles = media_profiles.replace("vendor/", "vendor_extra/")
 172         media_profiles = media_profiles.replace("odm/", "odm_extra/")
 173         props.append("media.settings.xml=" + media_profiles)
 174
 175     ccodec = tools.helpers.props.host_get(args, "debug.stagefright.ccodec")
 176     if ccodec != "":
 177         props.append("debug.stagefright.ccodec=" + ccodec)
 178
 179     ext_library = tools.helpers.props.host_get(args, "ro.vendor.extension_library")
 180     if ext_library != "":
 181         ext_library = ext_library.replace("vendor/", "vendor_extra/")
 182         ext_library = ext_library.replace("odm/", "odm_extra/")
 183         props.append("ro.vendor.extension_library=" + ext_library)
 184
 185     vulkan = find_hal("vulkan")
 186     if vulkan != "":
 187         props.append("ro.hardware.vulkan=" + vulkan)
 188
 189     opengles = tools.helpers.props.host_get(args, "ro.opengles.version")
 190     if opengles == "":
 191         opengles = "196608"
 192     props.append("ro.opengles.version=" + opengles)
 193
 194     props.append("waydroid.system_ota=" + args.system_ota)
 195     props.append("waydroid.vendor_ota=" + args.vendor_ota)
 196     props.append("waydroid.tools_version=" + tools.config.version)
 197
 198     base_props = open(args.work + "/waydroid_base.prop", "w")
 199     for prop in props:
 200         base_props.write(prop + "\n")
 201     base_props.close()
 202
 203
 204 def setup_host_perms(args):
 205     sku = tools.helpers.props.host_get(args, "ro.boot.product.hardware.sku")
 206     copy_list = []
 207     copy_list.extend(
 208         glob.glob("/vendor/etc/permissions/android.hardware.nfc.*"))
 209     if os.path.exists("/vendor/etc/permissions/android.hardware.consumerir.xml"):
 210         copy_list.append("/vendor/etc/permissions/android.hardware.consumerir.xml")
 211     copy_list.extend(
 212         glob.glob("/odm/etc/permissions/android.hardware.nfc.*"))
 213     if os.path.exists("/odm/etc/permissions/android.hardware.consumerir.xml"):
 214         copy_list.append("/odm/etc/permissions/android.hardware.consumerir.xml")
 215     if sku != "":
 216         copy_list.extend(
 217             glob.glob("/odm/etc/permissions/sku_{}/android.hardware.nfc.*".format(sku)))
 218         if os.path.exists("/odm/etc/permissions/sku_{}/android.hardware.consumerir.xml".format(sku)):
 219             copy_list.append(
 220                 "/odm/etc/permissions/sku_{}/android.hardware.consumerir.xml".format(sku))
 221
 222     if not os.path.exists(tools.config.defaults["host_perms"]):
 223         os.mkdir(tools.config.defaults["host_perms"])
 224
 225     for filename in copy_list:
 226         shutil.copy(filename, tools.config.defaults["host_perms"])
 227
 228 def status(args):
 229     command = ["sudo", "lxc-info", "-P", tools.config.defaults["lxc"], "-n", "waydroid", "-sH"]
 230     return subprocess.run(command, stdout=subprocess.PIPE).stdout.decode('utf-8').strip()
 231
 232 def start(args):
 233     command = ["lxc-start", "-P", tools.config.defaults["lxc"],
 234                "-F", "-n", "waydroid", "--", "/init"]
 235     tools.helpers.run.root(args, command, output="background")
 236
 237 def stop(args):
 238     command = ["lxc-stop", "-P",
 239                tools.config.defaults["lxc"], "-n", "waydroid", "-k"]
 240     tools.helpers.run.root(args, command)
 241
 242 def freeze(args):
 243     command = ["lxc-freeze", "-P", tools.config.defaults["lxc"], "-n", "waydroid"]
 244     tools.helpers.run.root(args, command)
 245
 246 def unfreeze(args):
 247     command = ["lxc-unfreeze", "-P",
 248                tools.config.defaults["lxc"], "-n", "waydroid"]
 249     tools.helpers.run.root(args, command)
 250
 251 def shell(args):
 252     if status(args) != "RUNNING":
 253         logging.error("WayDroid container is {}".format(status(args)))
 254         return
 255     command = ["lxc-attach", "-P", tools.config.defaults["lxc"],
 256                "-n", "waydroid", "--"]
 257     if args.COMMAND:
 258         command.append(args.COMMAND)
 259     else:
 260         command.append("/system/bin/sh")
 261     subprocess.run(command)
 262
 263 def logcat(args):
 264     if status(args) != "RUNNING":
 265         logging.error("WayDroid container is {}".format(status(args)))
 266         return
 267     command = ["lxc-attach", "-P", tools.config.defaults["lxc"],
 268                "-n", "waydroid", "--", "/system/bin/logcat"]
 269     subprocess.run(command)