(try to) switch to Xorg + dummy

Dockerfile

@@ -1,4 +1,4 @@
-FROM ubuntu:14.04
+FROM siomiz/ubuntu-xvd
 
 MAINTAINER Tomohisa Kusano <siomiz@gmail.com>
 
@@ -23,7 +23,9 @@ RUN apt-key add /tmp/linux_signing_key.pub \
 	&& useradd -m -G chrome-remote-desktop,pulse-access chrome \
 	&& ln -s /crdonly /usr/local/sbin/crdonly \
 	&& ln -s /update /usr/local/sbin/update \
-	&& ln -s /update /etc/cron.hourly/update
+	&& ln -s /update /etc/cron.hourly/update \
+	&& ln -s /usr/bin/Xorg /usr/bin/Xvfb-randr \
+	&& patch -d /opt/google/chrome-remote-desktop -p0 < /crd-xvd.patch
 
 VOLUME ["/home/chrome"]
 

copyables/crd-xvd.patch

@@ -0,0 +1,23 @@
+--- chrome-remote-desktop.dist	2015-10-07 20:47:34.445286514 +0000
++++ chrome-remote-desktop	2015-10-07 20:48:03.121919734 +0000
+@@ -385,7 +385,6 @@
+          "-auth", x_auth_file,
+          "-nolisten", "tcp",
+          "-noreset",
+-         "-screen", "0", screen_option
+         ] + extra_x_args)
+     if not self.x_proc.pid:
+       raise Exception("Could not start Xvfb.")
+@@ -433,10 +432,7 @@
+     # dimensions from the "-screen" option.
+     for width, height in self.sizes:
+       label = "%dx%d" % (width, height)
+-      args = ["xrandr", "--newmode", label, "0", str(width), "0", "0", "0",
+-              str(height), "0", "0", "0"]
+-      subprocess.call(args, env=self.child_env, stdout=devnull, stderr=devnull)
+-      args = ["xrandr", "--addmode", "screen", label]
++      args = ["xrandr", "--fb", label]
+       subprocess.call(args, env=self.child_env, stdout=devnull, stderr=devnull)
+ 
+     # Set the initial mode to the first size specified, otherwise the X server
+

copyables/etc/X11/xorg.conf

@@ -0,0 +1,29 @@
+Section "Files"
+    ModulePath "/usr/lib/xorg/modules,/usr/local/lib/xorg/modules"
+EndSection
+
+Section "Device"
+    Identifier "Configured Video Device"
+    Driver "dummy"
+    VideoRam 16384
+EndSection
+
+Section "Monitor"
+    Identifier "Configured Monitor"
+    HorizSync 5.0 - 1000.0
+    VertRefresh 5.0 - 200.0
+    Modeline "1600x900" 33.92 1600 1632 1760 1792 900 921 924 946
+EndSection
+
+Section "Screen"
+    Identifier "Default Screen"
+    Monitor "Configured Monitor"
+    Device "Configured Video Device"
+    DefaultDepth 24
+    SubSectionSub "Display"
+        Viewport 0 0
+        Depth 24
+        Virtual 1600 900
+    EndSubSection
+EndSection
+

copyables/etc/supervisor/conf.d/supervisord-crdonly.conf

@@ -2,8 +2,8 @@
 nodaemon=true
 
 [program:crd]
-environment=HOME="/home/chrome",USER="chrome",CHROME_REMOTE_DESKTOP_DEFAULT_DESKTOP_SIZES="1024x768"
-command=/usr/bin/python /opt/google/chrome-remote-desktop/chrome-remote-desktop --start --foreground --config=/home/chrome/.config/chrome-remote-desktop/~host.json
+environment=HOME="/home/chrome",USER="chrome",CHROME_REMOTE_DESKTOP_DEFAULT_DESKTOP_SIZES="3840x2160"
+command=/usr/bin/python /opt/google/chrome-remote-desktop/chrome-remote-desktop --start --foreground --config=/home/chrome/.config/chrome-remote-desktop/~host.json -- -logfile /dev/null
 user=chrome
 autorestart=true
 priority=200