Improve test_build_image and add options to copy step as a by-product.

focker/jail.py

@@ -160,6 +160,8 @@ def jail_run(path, command, mounts=[]):
     print('Running:', ' '.join(command))
     try:
         do_mounts(path, mounts)
+        os.makedirs(os.path.join(path, 'etc'), exist_ok=True)
+        os.makedirs(os.path.join(path, 'dev'), exist_ok=True)
         shutil.copyfile('/etc/resolv.conf', os.path.join(path, 'etc/resolv.conf'))
         res = subprocess.run(command)
     finally:

focker/steps.py

@@ -67,10 +67,15 @@ class CopyStep(object):
         lst = [ self.spec ] \
             if not isinstance(self.spec[0], list) \
             else self.spec
-        for (source, target) in lst:
+        for entry in lst:
+            (source, target) = entry[:2]
+            options = entry[2] if len(entry) > 2 else {}
             target = target.strip('/')
+            os.makedirs(os.path.split(os.path.join(path, target))[0], exist_ok=True)
             shutil.copyfile(os.path.join(kwargs['args'].focker_dir, source),
                 os.path.join(path, target))
+            if 'chmod' in options:
+                os.chmod(os.path.join(path, target), options['chmod'])
 
 
 def create_step(spec):

tests/test_compose.py

@@ -134,13 +134,22 @@ def test_build_volumes():
 
 
 def test_build_images():
-    # focker_unlock()
+    subprocess.check_output(['focker', 'image', 'remove', '--force', 'test-focker-bootstrap'])
+    subprocess.check_output(['focker', 'bootstrap', '--dry-run', '--tags', 'test-focker-bootstrap'])
     subprocess.check_output(['focker', 'image', 'remove', '--force', 'test-build-images'])
     with TemporaryDirectory() as d:
         with open(os.path.join(d, 'Fockerfile'), 'w') as f:
             yaml.dump({
-                'base': 'freebsd-latest',
+                'base': 'test-focker-bootstrap',
                 'steps': [
+                    { 'copy': [
+                        [ '/bin/sh', '/bin/sh', { 'chmod': 0o777 } ],
+                        [ '/lib/libedit.so.7', '/lib/libedit.so.7' ],
+                        [ '/lib/libncursesw.so.8', '/lib/libncursesw.so.8' ],
+                        [ '/lib/libc.so.7', '/lib/libc.so.7' ],
+                        [ '/usr/bin/touch', '/usr/bin/touch', { 'chmod': 0o777 } ],
+                        [ '/libexec/ld-elf.so.1', '/libexec/ld-elf.so.1', { 'chmod': 0o555 } ]
+                    ] },
                     { 'run': 'touch /test-build-images' }
                 ]
             }, f)
@@ -153,3 +162,5 @@ def test_build_images():
     name, _ = zfs_find('test-build-images', focker_type='image')
     assert os.path.exists(os.path.join(zfs_mountpoint(name), 'test-build-images'))
     subprocess.check_output(['focker', 'image', 'remove', '--force', 'test-build-images'])
+    subprocess.check_output(['focker', 'image', 'prune'])
+    subprocess.check_output(['focker', 'image', 'remove', '--force', 'test-focker-bootstrap'])