autodetect qemu and warn about broken chrome in emulated containers

archivebox/config.py

@@ -77,6 +77,7 @@
         'USE_COLOR':                {'type': bool,  'default': lambda c: c['IS_TTY']},
         'SHOW_PROGRESS':            {'type': bool,  'default': lambda c: (c['IS_TTY'] and platform.system() != 'Darwin')},  # progress bars are buggy on mac, disable for now
         'IN_DOCKER':                {'type': bool,  'default': False},
+        'IN_QEMU':                  {'type': bool,  'default': False},
         'PUID':                     {'type': int,   'default': os.getuid()},
         'PGID':                     {'type': int,   'default': os.getgid()},
         # TODO: 'SHOW_HINTS':       {'type:  bool,  'default': True},

archivebox/main.py

@@ -71,6 +71,7 @@
     IS_TTY,
     DEBUG,
     IN_DOCKER,
+    IN_QEMU,
     PUID,
     PGID,
     USER,
@@ -218,7 +219,7 @@ def version(quiet: bool=False,
     if not quiet:
         # 0.6.3
         # ArchiveBox v0.6.3 Cpython Linux Linux-4.19.121-linuxkit-x86_64-with-glibc2.28 x86_64 (in Docker) (in TTY)
-        # DEBUG=False IN_DOCKER=True IS_TTY=True TZ=UTC FS_ATOMIC=True FS_REMOTE=False FS_PERMS=644 FS_USER=501:20 SEARCH_BACKEND=ripgrep
+        # DEBUG=False IN_DOCKER=True IN_QEMU=False IS_TTY=True TZ=UTC FS_ATOMIC=True FS_REMOTE=False FS_PERMS=644 FS_USER=501:20 SEARCH_BACKEND=ripgrep
 
         p = platform.uname()
         print(
@@ -233,6 +234,7 @@ def version(quiet: bool=False,
         print(
             f'DEBUG={DEBUG}',
             f'IN_DOCKER={IN_DOCKER}',
+            f'IN_QEMU={IN_QEMU}',
             f'IS_TTY={IS_TTY}',
             f'TZ={TIMEZONE}',
             #f'DB=django.db.backends.sqlite3 (({CONFIG["SQLITE_JOURNAL_MODE"]})',  # add this if we have more useful info to show eventually

bin/docker_entrypoint.sh

@@ -41,6 +41,14 @@ fi
 chown $PUID:$PGID "$DATA_DIR"
 chown $PUID:$PGID "$DATA_DIR"/*
 
+
+export IN_QEMU="$(pmap 1 | grep qemu | wc -l | grep -E '^0$' >/dev/null && echo 'False' || echo 'True')"
+if [[ "$IN_QEMU" == 'True' ]]; then
+    echo -e "\n[!] Warning: Running $(uname -m) emulated container in QEMU, some things will break!" >&2
+    echo -e "    chromium (screenshot, pdf, dom), singlefile, and any dependencies that rely on inotify will not run in QEMU." >&2
+    echo -e "    See here for more info: https://github.com/microsoft/playwright/issues/17395#issuecomment-1250830493\n" >&2
+fi
+
 # Drop permissions to run commands as the archivebox user
 if [[ "$1" == /* || "$1" == "bash" || "$1" == "sh" || "$1" == "echo" || "$1" == "cat" || "$1" == "archivebox" ]]; then
     # handle "docker run archivebox /some/non-archivebox/command" by executing args as direct bash command