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/dxg")
  53     make_entry("/dev/dri", options="bind,create=dir,optional 0 0")
  54
  55     for n in glob.glob("/dev/fb*"):
  56         make_entry(n)
  57     for n in glob.glob("/dev/graphics/fb*"):
  58         make_entry(n)
  59     for n in glob.glob("/dev/video*"):
  60         make_entry(n)
  61
  62     # Binder dev nodes
  63     make_entry("/dev/" + args.BINDER_DRIVER, "dev/binder", check=False)
  64     make_entry("/dev/" + args.VNDBINDER_DRIVER, "dev/vndbinder", check=False)
  65     make_entry("/dev/" + args.HWBINDER_DRIVER, "dev/hwbinder", check=False)
  66
  67     if args.vendor_type != "MAINLINE":
  68         if not make_entry("/dev/hwbinder", "dev/host_hwbinder"):
  69             raise OSError('Binder node "hwbinder" of host not found')
  70         make_entry("/vendor", "vendor_extra", options="bind,optional 0 0")
  71
  72     # Necessary device nodes for adb
  73     make_entry("none", "dev/pts", "devpts", "defaults,mode=644,ptmxmode=666,create=dir 0 0", False)
  74     make_entry("/dev/uhid")
  75
  76     # Low memory killer sys node
  77     make_entry("/sys/module/lowmemorykiller", options="bind,create=dir,optional 0 0")
  78
  79     # Mount /data
  80     make_entry("tmpfs", "mnt", "tmpfs", "mode=0755,uid=0,gid=1000", False)
  81     make_entry(tools.config.defaults["data"], "data", options="bind 0 0", check=False)
  82
  83     # Mount host permissions
  84     make_entry(tools.config.defaults["host_perms"],
  85                "vendor/etc/host-permissions", options="bind,optional 0 0")
  86
  87     # Recursive mount /run to provide necessary host sockets
  88     make_entry("/run", options="rbind,create=dir 0 0")
  89
  90     # Necessary sw_sync node for HWC
  91     make_entry("/dev/sw_sync")
  92     make_entry("/sys/kernel/debug", options="rbind,create=dir,optional 0 0")
  93
  94     # Media dev nodes (for Mediatek)
  95     make_entry("/dev/Vcodec")
  96     make_entry("/dev/MTK_SMI")
  97     make_entry("/dev/mdp_sync")
  98     make_entry("/dev/mtk_cmdq")
  99
 100     # WSLg
 101     make_entry("tmpfs", "mnt_extra", "tmpfs", "nodev 0 0", False)
 102     make_entry("/mnt/wslg", "mnt_extra/wslg",
 103                options="rbind,create=dir,optional 0 0")
 104
 105     # var
 106     make_entry("tmpfs", "var", "tmpfs", "nodev 0 0", False)
 107     make_entry("/var/run", options="rbind,create=dir,optional 0 0")
 108
 109     return nodes
 110
 111
 112 def set_lxc_config(args):
 113     lxc_path = tools.config.defaults["lxc"] + "/waydroid"
 114     config_file = "config_2"
 115     lxc_ver = get_lxc_version(args)
 116     if lxc_ver == 0:
 117         raise OSError("LXC is not installed")
 118     elif lxc_ver <= 2:
 119         config_file = "config_1"
 120     config_path = tools.config.tools_src + "/data/configs/" + config_file
 121
 122     command = ["mkdir", "-p", lxc_path]
 123     tools.helpers.run.user(args, command)
 124     command = ["cp", "-fpr", config_path, lxc_path + "/config"]
 125     tools.helpers.run.user(args, command)
 126     command = ["sed", "-i", "s/LXCARCH/{}/".format(platform.machine()), lxc_path + "/config"]
 127     tools.helpers.run.user(args, command)
 128
 129     nodes = generate_nodes_lxc_config(args)
 130     config_nodes_tmp_path = args.work + "/config_nodes"
 131     config_nodes = open(config_nodes_tmp_path, "w")
 132     for node in nodes:
 133         config_nodes.write(node + "\n")
 134     config_nodes.close()
 135     command = ["mv", config_nodes_tmp_path, lxc_path]
 136     tools.helpers.run.user(args, command)
 137
 138
 139 def make_base_props(args):
 140     def find_hal(hardware):
 141         hardware_props = [
 142             "ro.hardware." + hardware,
 143             "ro.hardware",
 144             "ro.product.board",
 145             "ro.arch",
 146             "ro.board.platform"]
 147         for p in hardware_props:
 148             prop = tools.helpers.props.host_get(args, p)
 149             hal_prop = ""
 150             if prop != "":
 151                 for lib in ["lib", "lib64"]:
 152                     hal_file = "/vendor/" + lib + "/hw/" + hardware + "." + prop + ".so"
 153                     command = ["readlink", "-f", hal_file]
 154                     hal_file_path = tools.helpers.run.user(args, command, output_return=True).strip()
 155                     if os.path.isfile(hal_file_path):
 156                         hal_prop = re.sub(".*" + hardware + ".", "", hal_file_path)
 157                         hal_prop = re.sub(".so", "", hal_prop)
 158                         if hal_prop != "":
 159                             return hal_prop
 160             if hal_prop != "":
 161                 return hal_prop
 162         return ""
 163
 164     props = []
 165     egl = tools.helpers.props.host_get(args, "ro.hardware.egl")
 166
 167     gralloc = find_hal("gralloc")
 168     if gralloc == "":
 169         if os.path.exists("/dev/dri"):
 170             gralloc = "gbm"
 171             egl = "mesa"
 172         else:
 173             gralloc = "default"
 174             egl = "swiftshader"
 175         props.append("debug.stagefright.ccodec=0")
 176     props.append("ro.hardware.gralloc=" + gralloc)
 177
 178     if egl != "":
 179         props.append("ro.hardware.egl=" + egl)
 180
 181     media_profiles = tools.helpers.props.host_get(args, "media.settings.xml")
 182     if media_profiles != "":
 183         media_profiles = media_profiles.replace("vendor/", "vendor_extra/")
 184         media_profiles = media_profiles.replace("odm/", "odm_extra/")
 185         props.append("media.settings.xml=" + media_profiles)
 186
 187     ccodec = tools.helpers.props.host_get(args, "debug.stagefright.ccodec")
 188     if ccodec != "":
 189         props.append("debug.stagefright.ccodec=" + ccodec)
 190
 191     ext_library = tools.helpers.props.host_get(args, "ro.vendor.extension_library")
 192     if ext_library != "":
 193         ext_library = ext_library.replace("vendor/", "vendor_extra/")
 194         ext_library = ext_library.replace("odm/", "odm_extra/")
 195         props.append("ro.vendor.extension_library=" + ext_library)
 196
 197     vulkan = find_hal("vulkan")
 198     if vulkan != "":
 199         props.append("ro.hardware.vulkan=" + vulkan)
 200
 201     opengles = tools.helpers.props.host_get(args, "ro.opengles.version")
 202     if opengles == "":
 203         opengles = "196608"
 204     props.append("ro.opengles.version=" + opengles)
 205
 206     props.append("waydroid.system_ota=" + args.system_ota)
 207     props.append("waydroid.vendor_ota=" + args.vendor_ota)
 208     props.append("waydroid.tools_version=" + tools.config.version)
 209
 210     base_props = open(args.work + "/waydroid_base.prop", "w")
 211     for prop in props:
 212         base_props.write(prop + "\n")
 213     base_props.close()
 214
 215
 216 def setup_host_perms(args):
 217     sku = tools.helpers.props.host_get(args, "ro.boot.product.hardware.sku")
 218     copy_list = []
 219     copy_list.extend(
 220         glob.glob("/vendor/etc/permissions/android.hardware.nfc.*"))
 221     if os.path.exists("/vendor/etc/permissions/android.hardware.consumerir.xml"):
 222         copy_list.append("/vendor/etc/permissions/android.hardware.consumerir.xml")
 223     copy_list.extend(
 224         glob.glob("/odm/etc/permissions/android.hardware.nfc.*"))
 225     if os.path.exists("/odm/etc/permissions/android.hardware.consumerir.xml"):
 226         copy_list.append("/odm/etc/permissions/android.hardware.consumerir.xml")
 227     if sku != "":
 228         copy_list.extend(
 229             glob.glob("/odm/etc/permissions/sku_{}/android.hardware.nfc.*".format(sku)))
 230         if os.path.exists("/odm/etc/permissions/sku_{}/android.hardware.consumerir.xml".format(sku)):
 231             copy_list.append(
 232                 "/odm/etc/permissions/sku_{}/android.hardware.consumerir.xml".format(sku))
 233
 234     if not os.path.exists(tools.config.defaults["host_perms"]):
 235         os.mkdir(tools.config.defaults["host_perms"])
 236
 237     for filename in copy_list:
 238         shutil.copy(filename, tools.config.defaults["host_perms"])
 239
 240 def status(args):
 241     command = ["lxc-info", "-P", tools.config.defaults["lxc"], "-n", "waydroid", "-sH"]
 242     return subprocess.run(command, stdout=subprocess.PIPE).stdout.decode('utf-8').strip()
 243
 244 def start(args):
 245     command = ["lxc-start", "-P", tools.config.defaults["lxc"],
 246                "-F", "-n", "waydroid", "--", "/init"]
 247     tools.helpers.run.user(args, command, output="background")
 248
 249 def stop(args):
 250     command = ["lxc-stop", "-P",
 251                tools.config.defaults["lxc"], "-n", "waydroid", "-k"]
 252     tools.helpers.run.user(args, command)
 253
 254 def freeze(args):
 255     command = ["lxc-freeze", "-P", tools.config.defaults["lxc"], "-n", "waydroid"]
 256     tools.helpers.run.user(args, command)
 257
 258 def unfreeze(args):
 259     command = ["lxc-unfreeze", "-P",
 260                tools.config.defaults["lxc"], "-n", "waydroid"]
 261     tools.helpers.run.user(args, command)
 262
 263 def shell(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", "--"]
 269     if args.COMMAND:
 270         command.append(args.COMMAND)
 271     else:
 272         command.append("/system/bin/sh")
 273     subprocess.run(command, env={"PATH": os.environ['PATH'] + "/system/bin:/vendor/bin"})
 274
 275 def logcat(args):
 276     if status(args) != "RUNNING":
 277         logging.error("WayDroid container is {}".format(status(args)))
 278         return
 279     command = ["lxc-attach", "-P", tools.config.defaults["lxc"],
 280                "-n", "waydroid", "--", "/system/bin/logcat"]
 281     subprocess.run(command)