Initial commit

python_appimage/docker.py

@@ -0,0 +1,49 @@
+import os
+import platform
+import stat
+import subprocess
+import sys
+
+from .log import log
+from .system import system
+
+
+def docker_run(image, extra_cmds):
+    '''Execute commands within a docker container
+    '''
+
+    ARCH = platform.machine()
+    if image.endswith(ARCH):
+        bash_arg = '/pwd/run.sh'
+    elif image.endswith('i686') and ARCH == 'x86_64':
+        bash_arg = '-c "linux32 /pwd/run.sh"'
+    elif image.endswith('x86_64') and ARCH == 'i686':
+        bash_arg = '-c "linux64 /pwd/run.sh"'
+    else:
+        raise ValueError('Unsupported Docker image: ' + image)
+
+    log('PULL', image)
+    system('docker', 'pull', image)
+
+    script = [
+        'set -e',
+        'trap "chown -R {:}:{:} *" EXIT'.format(os.getuid(),
+                                                os.getgid()),
+        'cd /pwd'
+    ]
+
+    script += extra_cmds
+
+    with open('run.sh', 'w') as f:
+        f.write(os.linesep.join(script))
+    os.chmod('run.sh', stat.S_IRWXU)
+
+    cmd = ' '.join(('docker', 'run', '--mount',
+                    'type=bind,source={:},target=/pwd'.format(os.getcwd()),
+                    image, '/bin/bash', bash_arg))
+
+    log('RUN', image)
+    p = subprocess.Popen(cmd, shell=True)
+    p.communicate()
+    if p.returncode != 0:
+        sys.exit(p.returncode)