blob: 5ccf25544415be40366132a8288b28fae6724732 [file] [log] [blame]
#include "host/commands/launch/flags.h"
#include <iostream>
#include <gflags/gflags.h>
#include <glog/logging.h>
#include "common/libs/strings/str_split.h"
#include "common/libs/utils/environment.h"
#include "common/libs/utils/files.h"
#include "common/vsoc/lib/vsoc_memory.h"
#include "host/commands/launch/boot_image_unpacker.h"
#include "host/commands/launch/data_image.h"
#include "host/commands/launch/launch.h"
#include "host/commands/launch/launcher_defs.h"
#include "host/commands/launch/ril_config.h"
#include "host/libs/vm_manager/crosvm_manager.h"
#include "host/libs/vm_manager/qemu_manager.h"
#include "host/libs/vm_manager/vm_manager.h"
using vsoc::GetPerInstanceDefault;
using cvd::LauncherExitCodes;
DEFINE_string(
system_image, "",
"Path to the system image, if empty it is assumed to be a file named "
"system.img in the directory specified by -system_image_dir");
DEFINE_string(cache_image, "", "Location of the cache partition image.");
DEFINE_string(metadata_image, "", "Location of the metadata partition image "
"to be generated.");
DEFINE_int32(blank_metadata_image_mb, 16,
"The size of the blank metadata image to generate, MB.");
DEFINE_int32(cpus, 2, "Virtual CPU count.");
DEFINE_string(data_image, "", "Location of the data partition image.");
DEFINE_string(data_policy, "use_existing", "How to handle userdata partition."
" Either 'use_existing', 'create_if_missing', 'resize_up_to', or "
"'always_create'.");
DEFINE_int32(blank_data_image_mb, 0,
"The size of the blank data image to generate, MB.");
DEFINE_string(blank_data_image_fmt, "ext4",
"The fs format for the blank data image. Used with mkfs.");
DEFINE_string(qemu_gdb, "",
"Debug flag to pass to qemu. e.g. -qemu_gdb=tcp::1234");
DEFINE_int32(x_res, 720, "Width of the screen in pixels");
DEFINE_int32(y_res, 1280, "Height of the screen in pixels");
DEFINE_int32(dpi, 160, "Pixels per inch for the screen");
DEFINE_int32(refresh_rate_hz, 60, "Screen refresh rate in Hertz");
DEFINE_int32(num_screen_buffers, 3, "The number of screen buffers");
DEFINE_string(kernel_path, "",
"Path to the kernel. Overrides the one from the boot image");
DEFINE_bool(decompress_kernel, false,
"Whether to decompress the kernel image. Required for crosvm.");
DEFINE_string(kernel_decompresser_executable,
vsoc::DefaultHostArtifactsPath("bin/extract-vmlinux"),
"Path to the extract-vmlinux executable.");
DEFINE_string(extra_kernel_cmdline, "",
"Additional flags to put on the kernel command line");
DEFINE_int32(loop_max_part, 7, "Maximum number of loop partitions");
DEFINE_string(console, "ttyS0", "Console device for the guest kernel.");
DEFINE_string(androidboot_console, "ttyS1",
"Console device for the Android framework");
DEFINE_string(
hardware_name, "",
"The codename of the device's hardware, one of {cutf_ivsh, cutf_cvm}");
DEFINE_string(guest_security, "selinux",
"The security module to use in the guest");
DEFINE_bool(guest_enforce_security, true,
"Whether to run in enforcing mode (non permissive). Ignored if "
"-guest_security is empty.");
DEFINE_bool(guest_audit_security, true,
"Whether to log security audits.");
DEFINE_string(boot_image, "", "Location of cuttlefish boot image.");
DEFINE_int32(memory_mb, 2048,
"Total amount of memory available for guest, MB.");
std::string g_default_mempath{vsoc::GetDefaultMempath()};
DEFINE_string(mempath, g_default_mempath.c_str(),
"Target location for the shmem file.");
DEFINE_string(mobile_interface, "", // default handled on ParseCommandLine
"Network interface to use for mobile networking");
DEFINE_string(mobile_tap_name, "", // default handled on ParseCommandLine
"The name of the tap interface to use for mobile");
std::string g_default_serial_number{GetPerInstanceDefault("CUTTLEFISHCVD")};
DEFINE_string(serial_number, g_default_serial_number.c_str(),
"Serial number to use for the device");
DEFINE_string(instance_dir, "", // default handled on ParseCommandLine
"A directory to put all instance specific files");
DEFINE_string(
vm_manager, vm_manager::CrosvmManager::name(),
"What virtual machine manager to use, one of {qemu_cli, crosvm}");
DEFINE_string(system_image_dir, vsoc::DefaultGuestImagePath(""),
"Location of the system partition images.");
DEFINE_string(vendor_image, "", "Location of the vendor partition image.");
DEFINE_string(product_image, "", "Location of the product partition image.");
DEFINE_string(super_image, "", "Location of the super partition image.");
DEFINE_bool(deprecated_boot_completed, false, "Log boot completed message to"
" host kernel. This is only used during transition of our clients."
" Will be deprecated soon.");
DEFINE_bool(start_vnc_server, true, "Whether to start the vnc server process.");
DEFINE_string(vnc_server_binary,
vsoc::DefaultHostArtifactsPath("bin/vnc_server"),
"Location of the vnc server binary.");
DEFINE_bool(start_stream_audio, false,
"Whether to start the stream audio process.");
DEFINE_string(stream_audio_binary,
vsoc::DefaultHostArtifactsPath("bin/stream_audio"),
"Location of the stream_audio binary.");
DEFINE_string(virtual_usb_manager_binary,
vsoc::DefaultHostArtifactsPath("bin/virtual_usb_manager"),
"Location of the virtual usb manager binary.");
DEFINE_string(kernel_log_monitor_binary,
vsoc::DefaultHostArtifactsPath("bin/kernel_log_monitor"),
"Location of the log monitor binary.");
DEFINE_string(ivserver_binary,
vsoc::DefaultHostArtifactsPath("bin/ivserver"),
"Location of the ivshmem server binary.");
DEFINE_int32(vnc_server_port, GetPerInstanceDefault(6444),
"The port on which the vnc server should listen");
DEFINE_int32(stream_audio_port, GetPerInstanceDefault(7444),
"The port on which stream_audio should listen.");
DEFINE_string(socket_forward_proxy_binary,
vsoc::DefaultHostArtifactsPath("bin/socket_forward_proxy"),
"Location of the socket_forward_proxy binary.");
DEFINE_string(socket_vsock_proxy_binary,
vsoc::DefaultHostArtifactsPath("bin/socket_vsock_proxy"),
"Location of the socket_vsock_proxy binary.");
DEFINE_string(adb_mode, "vsock_half_tunnel",
"Mode for ADB connection. Can be 'usb' for USB forwarding, "
"'tunnel' for a TCP connection tunneled through VSoC, "
"'vsock_tunnel' for a TCP connection tunneled through vsock, "
"'native_vsock' for a direct connection to the guest ADB over "
"vsock, 'vsock_half_tunnel' for a TCP connection forwarded to "
"the guest ADB server, or a comma separated list of types as in "
"'usb,tunnel'");
DEFINE_bool(run_adb_connector, true,
"Maintain adb connection by sending 'adb connect' commands to the "
"server. Only relevant with -adb_mode=tunnel or vsock_tunnel");
DEFINE_string(adb_connector_binary,
vsoc::DefaultHostArtifactsPath("bin/adb_connector"),
"Location of the adb_connector binary. Only relevant if "
"-run_adb_connector is true");
DEFINE_int32(vhci_port, GetPerInstanceDefault(0), "VHCI port to use for usb");
DEFINE_string(guest_mac_address,
GetPerInstanceDefault("00:43:56:44:80:"), // 00:43:56:44:80:0x
"MAC address of the wifi interface to be created on the guest.");
DEFINE_string(host_mac_address,
"42:00:00:00:00:00",
"MAC address of the wifi interface running on the host.");
DEFINE_string(wifi_tap_name, "", // default handled on ParseCommandLine
"The name of the tap interface to use for wifi");
DEFINE_int32(vsock_guest_cid,
vsoc::GetDefaultPerInstanceVsockCid(),
"Guest identifier for vsock. Disabled if under 3.");
// TODO(b/72969289) This should be generated
DEFINE_string(dtb, "", "Path to the cuttlefish.dtb file");
DEFINE_string(gsi_fstab,
vsoc::DefaultHostArtifactsPath("config/gsi.fstab"),
"Path to the GSI fstab file");
DEFINE_string(uuid, vsoc::GetPerInstanceDefault(vsoc::kDefaultUuidPrefix),
"UUID to use for the device. Random if not specified");
DEFINE_bool(daemon, false,
"Run cuttlefish in background, the launcher exits on boot "
"completed/failed");
DEFINE_string(device_title, "", "Human readable name for the instance, "
"used by the vnc_server for its server title");
DEFINE_string(setupwizard_mode, "DISABLED",
"One of DISABLED,OPTIONAL,REQUIRED");
DEFINE_string(qemu_binary,
"/usr/bin/qemu-system-x86_64",
"The qemu binary to use");
DEFINE_string(crosvm_binary,
vsoc::DefaultHostArtifactsPath("bin/crosvm"),
"The Crosvm binary to use");
DEFINE_bool(restart_subprocesses, true, "Restart any crashed host process");
DEFINE_bool(run_e2e_test, true, "Run e2e test after device launches");
DEFINE_string(e2e_test_binary,
vsoc::DefaultHostArtifactsPath("bin/host_region_e2e_test"),
"Location of the region end to end test binary");
DEFINE_string(logcat_receiver_binary,
vsoc::DefaultHostArtifactsPath("bin/logcat_receiver"),
"Binary for the logcat server");
DEFINE_string(logcat_mode, "", "How to send android's log messages from "
"guest to host. One of [serial, vsock]");
DEFINE_int32(logcat_vsock_port, vsoc::GetPerInstanceDefault(5620),
"The port for logcat over vsock");
DEFINE_int32(frames_vsock_port, vsoc::GetPerInstanceDefault(5580),
"The vsock port to receive frames from the guest on");
namespace {
template<typename S, typename T>
static std::string concat(const S& s, const T& t) {
std::ostringstream os;
os << s << t;
return os.str();
}
bool ResolveInstanceFiles() {
if (FLAGS_system_image_dir.empty()) {
LOG(ERROR) << "--system_image_dir must be specified.";
return false;
}
// If user did not specify location of either of these files, expect them to
// be placed in --system_image_dir location.
std::string default_system_image = FLAGS_system_image_dir + "/system.img";
SetCommandLineOptionWithMode("system_image", default_system_image.c_str(),
google::FlagSettingMode::SET_FLAGS_DEFAULT);
std::string default_boot_image = FLAGS_system_image_dir + "/boot.img";
SetCommandLineOptionWithMode("boot_image", default_boot_image.c_str(),
google::FlagSettingMode::SET_FLAGS_DEFAULT);
std::string default_cache_image = FLAGS_system_image_dir + "/cache.img";
SetCommandLineOptionWithMode("cache_image", default_cache_image.c_str(),
google::FlagSettingMode::SET_FLAGS_DEFAULT);
std::string default_data_image = FLAGS_system_image_dir + "/userdata.img";
SetCommandLineOptionWithMode("data_image", default_data_image.c_str(),
google::FlagSettingMode::SET_FLAGS_DEFAULT);
std::string default_vendor_image = FLAGS_system_image_dir + "/vendor.img";
SetCommandLineOptionWithMode("vendor_image", default_vendor_image.c_str(),
google::FlagSettingMode::SET_FLAGS_DEFAULT);
std::string default_metadata_image = FLAGS_system_image_dir + "/metadata.img";
SetCommandLineOptionWithMode("metadata_image", default_metadata_image.c_str(),
google::FlagSettingMode::SET_FLAGS_DEFAULT);
std::string default_product_image = FLAGS_system_image_dir + "/product.img";
SetCommandLineOptionWithMode("product_image", default_product_image.c_str(),
google::FlagSettingMode::SET_FLAGS_DEFAULT);
std::string default_super_image = FLAGS_system_image_dir + "/super.img";
SetCommandLineOptionWithMode("super_image", default_super_image.c_str(),
google::FlagSettingMode::SET_FLAGS_DEFAULT);
return true;
}
std::string GetCuttlefishEnvPath() {
return cvd::StringFromEnv("HOME", ".") + "/.cuttlefish.sh";
}
// Initializes the config object and saves it to file. It doesn't return it, all
// further uses of the config should happen through the singleton
bool InitializeCuttlefishConfiguration(
const cvd::BootImageUnpacker& boot_image_unpacker) {
vsoc::CuttlefishConfig tmp_config_obj;
auto& memory_layout = *vsoc::VSoCMemoryLayout::Get();
// Set this first so that calls to PerInstancePath below are correct
tmp_config_obj.set_instance_dir(FLAGS_instance_dir);
if (!vm_manager::VmManager::IsValidName(FLAGS_vm_manager)) {
LOG(ERROR) << "Invalid vm_manager: " << FLAGS_vm_manager;
return false;
}
tmp_config_obj.set_vm_manager(FLAGS_vm_manager);
// TODO(b/77276633): This should be handled as part of the GPU configuration
tmp_config_obj.add_kernel_cmdline("androidboot.hardware.egl=swiftshader");
vm_manager::VmManager::ConfigureBootDevices(&tmp_config_obj);
tmp_config_obj.set_serial_number(FLAGS_serial_number);
tmp_config_obj.set_cpus(FLAGS_cpus);
tmp_config_obj.set_memory_mb(FLAGS_memory_mb);
tmp_config_obj.set_dpi(FLAGS_dpi);
tmp_config_obj.set_setupwizard_mode(FLAGS_setupwizard_mode);
tmp_config_obj.set_x_res(FLAGS_x_res);
tmp_config_obj.set_y_res(FLAGS_y_res);
tmp_config_obj.set_num_screen_buffers(FLAGS_num_screen_buffers);
tmp_config_obj.set_refresh_rate_hz(FLAGS_refresh_rate_hz);
tmp_config_obj.set_gdb_flag(FLAGS_qemu_gdb);
std::vector<std::string> adb = cvd::StrSplit(FLAGS_adb_mode, ',');
tmp_config_obj.set_adb_mode(std::set<std::string>(adb.begin(), adb.end()));
tmp_config_obj.set_adb_ip_and_port("127.0.0.1:" + std::to_string(GetHostPort()));
tmp_config_obj.set_device_title(FLAGS_device_title);
if (FLAGS_kernel_path.size()) {
tmp_config_obj.set_kernel_image_path(FLAGS_kernel_path);
tmp_config_obj.set_use_unpacked_kernel(false);
} else {
tmp_config_obj.set_kernel_image_path(
tmp_config_obj.PerInstancePath("kernel"));
tmp_config_obj.set_use_unpacked_kernel(true);
}
tmp_config_obj.set_decompress_kernel(FLAGS_decompress_kernel);
if (FLAGS_decompress_kernel) {
tmp_config_obj.set_decompressed_kernel_image_path(
tmp_config_obj.PerInstancePath("vmlinux"));
}
auto ramdisk_path = tmp_config_obj.PerInstancePath("ramdisk.img");
bool use_ramdisk = boot_image_unpacker.HasRamdiskImage();
if (!use_ramdisk) {
LOG(INFO) << "No ramdisk present; assuming system-as-root build";
ramdisk_path = "";
}
// Fallback for older builds, or builds from branches without DAP
if (!FLAGS_super_image.empty() && !cvd::FileHasContent(FLAGS_super_image.c_str())) {
LOG(INFO) << "No super image detected; assuming non-DAP build";
FLAGS_super_image.clear();
}
// This needs to be done here because the dtb path depends on the presence of
// the ramdisk. If we are booting a super image, the fstab is passed through
// from the ramdisk, it should never be defined by dt.
if (FLAGS_super_image.empty() && FLAGS_dtb.empty()) {
if (use_ramdisk) {
FLAGS_dtb = vsoc::DefaultHostArtifactsPath("config/initrd-root.dtb");
} else {
FLAGS_dtb = vsoc::DefaultHostArtifactsPath("config/system-root.dtb");
}
}
tmp_config_obj.add_kernel_cmdline(boot_image_unpacker.kernel_cmdline());
if (!use_ramdisk) {
tmp_config_obj.add_kernel_cmdline("root=/dev/vda");
}
if (!FLAGS_super_image.empty()) {
tmp_config_obj.add_kernel_cmdline("androidboot.super_partition=vda");
}
tmp_config_obj.add_kernel_cmdline("init=/init");
tmp_config_obj.add_kernel_cmdline(
concat("androidboot.serialno=", FLAGS_serial_number));
tmp_config_obj.add_kernel_cmdline("mac80211_hwsim.radios=0");
tmp_config_obj.add_kernel_cmdline(concat("androidboot.lcd_density=", FLAGS_dpi));
tmp_config_obj.add_kernel_cmdline(
concat("androidboot.setupwizard_mode=", FLAGS_setupwizard_mode));
tmp_config_obj.add_kernel_cmdline(concat("loop.max_part=", FLAGS_loop_max_part));
if (!FLAGS_console.empty()) {
tmp_config_obj.add_kernel_cmdline(concat("console=", FLAGS_console));
}
if (!FLAGS_androidboot_console.empty()) {
tmp_config_obj.add_kernel_cmdline(
concat("androidboot.console=", FLAGS_androidboot_console));
}
if (!FLAGS_hardware_name.empty()) {
tmp_config_obj.add_kernel_cmdline(
concat("androidboot.hardware=", FLAGS_hardware_name));
}
if (FLAGS_logcat_mode == cvd::kLogcatVsockMode) {
tmp_config_obj.add_kernel_cmdline(concat("androidboot.vsock_logcat_port=",
FLAGS_logcat_vsock_port));
}
tmp_config_obj.set_hardware_name(FLAGS_hardware_name);
if (!FLAGS_guest_security.empty()) {
tmp_config_obj.add_kernel_cmdline(concat("security=", FLAGS_guest_security));
if (FLAGS_guest_enforce_security) {
tmp_config_obj.add_kernel_cmdline("enforcing=1");
} else {
tmp_config_obj.add_kernel_cmdline("enforcing=0");
tmp_config_obj.add_kernel_cmdline("androidboot.selinux=permissive");
}
if (FLAGS_guest_audit_security) {
tmp_config_obj.add_kernel_cmdline("audit=1");
} else {
tmp_config_obj.add_kernel_cmdline("audit=0");
}
}
if (FLAGS_run_e2e_test) {
tmp_config_obj.add_kernel_cmdline("androidboot.vsoc_e2e_test=1");
}
if (FLAGS_extra_kernel_cmdline.size()) {
tmp_config_obj.add_kernel_cmdline(FLAGS_extra_kernel_cmdline);
}
if (FLAGS_super_image.empty()) {
tmp_config_obj.set_system_image_path(FLAGS_system_image);
tmp_config_obj.set_vendor_image_path(FLAGS_vendor_image);
tmp_config_obj.set_product_image_path(FLAGS_product_image);
tmp_config_obj.set_super_image_path("");
tmp_config_obj.set_dtb_path(FLAGS_dtb);
tmp_config_obj.set_gsi_fstab_path(FLAGS_gsi_fstab);
} else {
tmp_config_obj.set_system_image_path("");
tmp_config_obj.set_vendor_image_path("");
tmp_config_obj.set_product_image_path("");
tmp_config_obj.set_super_image_path(FLAGS_super_image);
tmp_config_obj.set_dtb_path("");
tmp_config_obj.set_gsi_fstab_path("");
}
tmp_config_obj.set_ramdisk_image_path(ramdisk_path);
tmp_config_obj.set_cache_image_path(FLAGS_cache_image);
tmp_config_obj.set_data_image_path(FLAGS_data_image);
tmp_config_obj.set_metadata_image_path(FLAGS_metadata_image);
tmp_config_obj.set_mempath(FLAGS_mempath);
tmp_config_obj.set_ivshmem_qemu_socket_path(
tmp_config_obj.PerInstancePath("ivshmem_socket_qemu"));
tmp_config_obj.set_ivshmem_client_socket_path(
tmp_config_obj.PerInstancePath("ivshmem_socket_client"));
tmp_config_obj.set_ivshmem_vector_count(memory_layout.GetRegions().size());
if (AdbUsbEnabled(tmp_config_obj)) {
tmp_config_obj.set_usb_v1_socket_name(tmp_config_obj.PerInstancePath("usb-v1"));
tmp_config_obj.set_vhci_port(FLAGS_vhci_port);
tmp_config_obj.set_usb_ip_socket_name(tmp_config_obj.PerInstancePath("usb-ip"));
}
tmp_config_obj.set_kernel_log_socket_name(tmp_config_obj.PerInstancePath("kernel-log"));
tmp_config_obj.set_deprecated_boot_completed(FLAGS_deprecated_boot_completed);
tmp_config_obj.set_console_path(tmp_config_obj.PerInstancePath("console"));
tmp_config_obj.set_logcat_path(tmp_config_obj.PerInstancePath("logcat"));
tmp_config_obj.set_logcat_receiver_binary(FLAGS_logcat_receiver_binary);
tmp_config_obj.set_launcher_log_path(tmp_config_obj.PerInstancePath("launcher.log"));
tmp_config_obj.set_launcher_monitor_socket_path(
tmp_config_obj.PerInstancePath("launcher_monitor.sock"));
tmp_config_obj.set_mobile_bridge_name(FLAGS_mobile_interface);
tmp_config_obj.set_mobile_tap_name(FLAGS_mobile_tap_name);
ConfigureRil(&tmp_config_obj);
tmp_config_obj.set_wifi_tap_name(FLAGS_wifi_tap_name);
tmp_config_obj.set_wifi_guest_mac_addr(FLAGS_guest_mac_address);
tmp_config_obj.set_wifi_host_mac_addr(FLAGS_host_mac_address);
tmp_config_obj.set_vsock_guest_cid(FLAGS_vsock_guest_cid);
tmp_config_obj.set_entropy_source("/dev/urandom");
tmp_config_obj.set_uuid(FLAGS_uuid);
tmp_config_obj.set_qemu_binary(FLAGS_qemu_binary);
tmp_config_obj.set_crosvm_binary(FLAGS_crosvm_binary);
tmp_config_obj.set_ivserver_binary(FLAGS_ivserver_binary);
tmp_config_obj.set_kernel_log_monitor_binary(FLAGS_kernel_log_monitor_binary);
tmp_config_obj.set_enable_vnc_server(FLAGS_start_vnc_server);
tmp_config_obj.set_vnc_server_binary(FLAGS_vnc_server_binary);
tmp_config_obj.set_vnc_server_port(FLAGS_vnc_server_port);
tmp_config_obj.set_enable_stream_audio(FLAGS_start_stream_audio);
tmp_config_obj.set_stream_audio_binary(FLAGS_stream_audio_binary);
tmp_config_obj.set_stream_audio_port(FLAGS_stream_audio_port);
tmp_config_obj.set_restart_subprocesses(FLAGS_restart_subprocesses);
tmp_config_obj.set_run_adb_connector(FLAGS_run_adb_connector);
tmp_config_obj.set_adb_connector_binary(FLAGS_adb_connector_binary);
tmp_config_obj.set_virtual_usb_manager_binary(
FLAGS_virtual_usb_manager_binary);
tmp_config_obj.set_socket_forward_proxy_binary(
FLAGS_socket_forward_proxy_binary);
tmp_config_obj.set_socket_vsock_proxy_binary(FLAGS_socket_vsock_proxy_binary);
tmp_config_obj.set_run_as_daemon(FLAGS_daemon);
tmp_config_obj.set_run_e2e_test(FLAGS_run_e2e_test);
tmp_config_obj.set_e2e_test_binary(FLAGS_e2e_test_binary);
tmp_config_obj.set_data_policy(FLAGS_data_policy);
tmp_config_obj.set_blank_data_image_mb(FLAGS_blank_data_image_mb);
tmp_config_obj.set_blank_data_image_fmt(FLAGS_blank_data_image_fmt);
if(!AdbUsbEnabled(tmp_config_obj)) {
tmp_config_obj.disable_usb_adb();
}
tmp_config_obj.set_logcat_mode(FLAGS_logcat_mode);
tmp_config_obj.set_logcat_vsock_port(FLAGS_logcat_vsock_port);
tmp_config_obj.set_frames_vsock_port(FLAGS_frames_vsock_port);
if (!tmp_config_obj.enable_ivserver()) {
tmp_config_obj.add_kernel_cmdline(concat("androidboot.vsock_frames_port=",
FLAGS_frames_vsock_port));
}
tmp_config_obj.set_cuttlefish_env_path(GetCuttlefishEnvPath());
auto config_file = GetConfigFilePath(tmp_config_obj);
auto config_link = vsoc::GetGlobalConfigFileLink();
// Save the config object before starting any host process
if (!tmp_config_obj.SaveToFile(config_file)) {
LOG(ERROR) << "Unable to save config object";
return false;
}
setenv(vsoc::kCuttlefishConfigEnvVarName, config_file.c_str(), true);
if (symlink(config_file.c_str(), config_link.c_str()) != 0) {
LOG(ERROR) << "Failed to create symlink to config file at " << config_link
<< ": " << strerror(errno);
return false;
}
return true;
}
void SetDefaultFlagsForQemu() {
auto default_mobile_interface = GetPerInstanceDefault("cvd-mbr-");
SetCommandLineOptionWithMode("mobile_interface",
default_mobile_interface.c_str(),
google::FlagSettingMode::SET_FLAGS_DEFAULT);
auto default_mobile_tap_name = GetPerInstanceDefault("cvd-mtap-");
SetCommandLineOptionWithMode("mobile_tap_name",
default_mobile_tap_name.c_str(),
google::FlagSettingMode::SET_FLAGS_DEFAULT);
auto default_wifi_tap_name = GetPerInstanceDefault("cvd-wtap-");
SetCommandLineOptionWithMode("wifi_tap_name",
default_wifi_tap_name.c_str(),
google::FlagSettingMode::SET_FLAGS_DEFAULT);
auto default_instance_dir =
cvd::StringFromEnv("HOME", ".") + "/cuttlefish_runtime";
SetCommandLineOptionWithMode("instance_dir",
default_instance_dir.c_str(),
google::FlagSettingMode::SET_FLAGS_DEFAULT);
SetCommandLineOptionWithMode("hardware_name", "cutf_ivsh",
google::FlagSettingMode::SET_FLAGS_DEFAULT);
SetCommandLineOptionWithMode("decompress_kernel", "false",
google::FlagSettingMode::SET_FLAGS_DEFAULT);
SetCommandLineOptionWithMode("logcat_mode", cvd::kLogcatSerialMode,
google::FlagSettingMode::SET_FLAGS_DEFAULT);
}
void SetDefaultFlagsForCrosvm() {
auto default_mobile_interface = GetPerInstanceDefault("cvd-mbr-");
SetCommandLineOptionWithMode("mobile_interface",
default_mobile_interface.c_str(),
google::FlagSettingMode::SET_FLAGS_DEFAULT);
auto default_mobile_tap_name = GetPerInstanceDefault("cvd-mtap-");
SetCommandLineOptionWithMode("mobile_tap_name",
default_mobile_tap_name.c_str(),
google::FlagSettingMode::SET_FLAGS_DEFAULT);
auto default_wifi_tap_name = GetPerInstanceDefault("cvd-wtap-");
SetCommandLineOptionWithMode("wifi_tap_name",
default_wifi_tap_name.c_str(),
google::FlagSettingMode::SET_FLAGS_DEFAULT);
auto default_instance_dir =
cvd::StringFromEnv("HOME", ".") + "/cuttlefish_runtime";
SetCommandLineOptionWithMode("instance_dir",
default_instance_dir.c_str(),
google::FlagSettingMode::SET_FLAGS_DEFAULT);
SetCommandLineOptionWithMode("hardware_name", "cutf_cvm",
google::FlagSettingMode::SET_FLAGS_DEFAULT);
SetCommandLineOptionWithMode("decompress_kernel", "true",
google::FlagSettingMode::SET_FLAGS_DEFAULT);
SetCommandLineOptionWithMode("run_e2e_test", "false",
google::FlagSettingMode::SET_FLAGS_DEFAULT);
SetCommandLineOptionWithMode("logcat_mode", cvd::kLogcatVsockMode,
google::FlagSettingMode::SET_FLAGS_DEFAULT);
}
bool ParseCommandLineFlags(int* argc, char*** argv) {
// The config_file is created by the launcher, so the launcher is the only
// host process that doesn't use the flag.
// Set the default to empty.
google::SetCommandLineOptionWithMode("config_file", "",
gflags::SET_FLAGS_DEFAULT);
google::ParseCommandLineNonHelpFlags(argc, argv, true);
bool invalid_manager = false;
if (FLAGS_vm_manager == vm_manager::QemuManager::name()) {
SetDefaultFlagsForQemu();
} else if (FLAGS_vm_manager == vm_manager::CrosvmManager::name()) {
SetDefaultFlagsForCrosvm();
} else {
std::cerr << "Unknown Virtual Machine Manager: " << FLAGS_vm_manager
<< std::endl;
invalid_manager = true;
}
google::HandleCommandLineHelpFlags();
if (invalid_manager) {
return false;
}
// Set the env variable to empty (in case the caller passed a value for it).
unsetenv(vsoc::kCuttlefishConfigEnvVarName);
return ResolveInstanceFiles();
}
bool CleanPriorFiles() {
// Everything on the instance directory
std::string prior_files = FLAGS_instance_dir + "/*";
// The shared memory file
prior_files += " " + FLAGS_mempath;
// The environment file
prior_files += " " + GetCuttlefishEnvPath();
// The global link to the config file
prior_files += " " + vsoc::GetGlobalConfigFileLink();
LOG(INFO) << "Assuming prior files of " << prior_files;
std::string fuser_cmd = "fuser " + prior_files + " 2> /dev/null";
int rval = std::system(fuser_cmd.c_str());
// fuser returns 0 if any of the files are open
if (WEXITSTATUS(rval) == 0) {
LOG(ERROR) << "Clean aborted: files are in use";
return false;
}
std::string clean_command = "rm -rf " + prior_files;
rval = std::system(clean_command.c_str());
if (WEXITSTATUS(rval) != 0) {
LOG(ERROR) << "Remove of files failed";
return false;
}
return true;
}
bool DecompressKernel(const std::string& src, const std::string& dst) {
cvd::Command decomp_cmd(FLAGS_kernel_decompresser_executable);
decomp_cmd.AddParameter(src);
auto output_file = cvd::SharedFD::Creat(dst.c_str(), 0666);
if (!output_file->IsOpen()) {
LOG(ERROR) << "Unable to create decompressed image file: "
<< output_file->StrError();
return false;
}
decomp_cmd.RedirectStdIO(cvd::Subprocess::StdIOChannel::kStdOut, output_file);
auto decomp_proc = decomp_cmd.Start(false);
return decomp_proc.Started() && decomp_proc.Wait() == 0;
}
} // namespace
vsoc::CuttlefishConfig* InitFilesystemAndCreateConfig(int* argc, char*** argv) {
if (!ParseCommandLineFlags(argc, argv)) {
LOG(ERROR) << "Failed to parse command arguments";
exit(LauncherExitCodes::kArgumentParsingError);
}
// Clean up prior files before saving the config file (doing it after would
// delete it)
if (!CleanPriorFiles()) {
LOG(ERROR) << "Failed to clean prior files";
exit(LauncherExitCodes::kPrioFilesCleanupError);
}
// Create instance directory if it doesn't exist.
if (!cvd::DirectoryExists(FLAGS_instance_dir.c_str())) {
LOG(INFO) << "Setting up " << FLAGS_instance_dir;
if (mkdir(FLAGS_instance_dir.c_str(), S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH) < 0) {
LOG(ERROR) << "Failed to create instance directory: "
<< FLAGS_instance_dir << ". Error: " << errno;
exit(LauncherExitCodes::kInstanceDirCreationError);
}
}
if (!cvd::FileHasContent(FLAGS_boot_image)) {
LOG(ERROR) << "File not found: " << FLAGS_boot_image;
exit(cvd::kCuttlefishConfigurationInitError);
}
auto boot_img_unpacker = cvd::BootImageUnpacker::FromImage(FLAGS_boot_image);
if (!InitializeCuttlefishConfiguration(*boot_img_unpacker)) {
LOG(ERROR) << "Failed to initialize configuration";
exit(LauncherExitCodes::kCuttlefishConfigurationInitError);
}
// Do this early so that the config object is ready for anything that needs it
auto config = vsoc::CuttlefishConfig::Get();
if (!config) {
LOG(ERROR) << "Failed to obtain config singleton";
exit(LauncherExitCodes::kCuttlefishConfigurationInitError);
}
if (!boot_img_unpacker->Unpack(config->ramdisk_image_path(),
config->use_unpacked_kernel()
? config->kernel_image_path()
: "")) {
LOG(ERROR) << "Failed to unpack boot image";
exit(LauncherExitCodes::kBootImageUnpackError);
}
if (config->decompress_kernel()) {
if (!DecompressKernel(config->kernel_image_path(),
config->decompressed_kernel_image_path())) {
LOG(ERROR) << "Failed to decompress kernel";
exit(LauncherExitCodes::kKernelDecompressError);
}
}
ValidateAdbModeFlag(*config);
// Create data if necessary
if (!ApplyDataImagePolicy(*config)) {
exit(cvd::kCuttlefishConfigurationInitError);
}
CreateBlankImage(FLAGS_metadata_image, FLAGS_blank_metadata_image_mb, "none");
// Check that the files exist
for (const auto& file :
{config->system_image_path(), config->cache_image_path(),
config->data_image_path(), config->vendor_image_path(),
config->metadata_image_path(), config->product_image_path(),
config->super_image_path()}) {
if (!file.empty() && !cvd::FileHasContent(file.c_str())) {
LOG(ERROR) << "File not found: " << file;
exit(cvd::kCuttlefishConfigurationInitError);
}
}
return config;
}
std::string GetConfigFilePath(const vsoc::CuttlefishConfig& config) {
return config.PerInstancePath("cuttlefish_config.json");
}