Add support for BuildImage

Signed-off-by: Jhon Honce <jhonce@redhat.com>

Closes: #908
Approved by: baude

contrib/python/podman/client.py

@@ -38,7 +38,7 @@ class Client(object):
 
         @contextlib.contextmanager
         def _podman(uri, interface):
-            """Context manager for API children to access varlink."""
+            """Context manager for API workers to access varlink."""
             client = VarlinkClient(address=uri)
             try:
                 iface = client.open(interface)

contrib/python/podman/libs/images.py

@@ -30,23 +30,18 @@ class Image(collections.UserDict):
         return super().__getitem__(key)
 
     def _split_token(self, values=None, sep='='):
-        mapped = {}
-        if values:
-            for var in values:
-                k, v = var.split(sep, 1)
-                mapped[k] = v
-        return mapped
+        return dict([v.split(sep, 1) for v in values if values])
 
     def create(self, *args, **kwargs):
         """Create container from image.
 
         Pulls defaults from image.inspect()
         """
-        # Inialize config from parameters
         with self._client() as podman:
             details = self.inspect()
 
         # TODO: remove network settings once defaults implemented in service
+        # Inialize config from parameters, then add image information
         config = Config(image_id=self.id, **kwargs)
         config['command'] = details.containerconfig['cmd']
         config['env'] = self._split_token(details.containerconfig['env'])
@@ -75,9 +70,8 @@ class Image(collections.UserDict):
             for r in podman.HistoryImage(self.id)['history']:
                 yield collections.namedtuple('HistoryDetail', r.keys())(**r)
 
+    # Convert all keys to lowercase.
     def _lower_hook(self):
-        """Convert all keys to lowercase."""
-
         @functools.wraps(self._lower_hook)
         def wrapped(input):
             return {k.lower(): v for (k, v) in input.items()}
@@ -127,14 +121,26 @@ class Images(object):
         for img in results['images']:
             yield Image(self._client, img['id'], img)
 
-    def build(self, *args, **kwargs):
+    def build(self, dockerfile=None, tags=None, **kwargs):
         """Build container from image.
 
         See podman-build.1.md for kwargs details.
         """
+        if dockerfile is None:
+            raise ValueError('"dockerfile" is a required argument.')
+        elif not hasattr(dockerfile, '__iter__'):
+            raise ValueError('"dockerfile" is required to be an iter.')
+
+        if tags is None:
+            raise ValueError('"tags" is a required argument.')
+        elif not hasattr(tags, '__iter__'):
+            raise ValueError('"tags" is required to be an iter.')
+
+        config = Config(dockerfile=dockerfile, tags=tags, **kwargs)
         with self._client() as podman:
-            # TODO: Need arguments
-            podman.BuildImage()
+            result = podman.BuildImage(config)
+        return self.get(result['image']['id']), \
+            (line for line in result['image']['logs'])
 
     def delete_unused(self):
         """Delete Images not associated with a container."""
@@ -163,4 +169,6 @@ class Images(object):
 
     def get(self, id):
         """Get Image from id."""
-        return next((i for i in self.list() if i.id == id), None)
+        with self._client() as podman:
+            result = podman.GetImage(id)
+        return Image(self._client, result['image']['id'], result['image'])

contrib/python/test/test_images.py

@@ -1,6 +1,7 @@
 import itertools
 import os
 import unittest
+from datetime import datetime, timezone
 from test.podman_testcase import PodmanTestCase
 
 import podman
@@ -34,6 +35,7 @@ class TestImages(PodmanTestCase):
                 i for i in self.images
                 if 'docker.io/library/alpine:latest' in i['repoTags']
             ] or []), None)
+
         return self.images
 
     def test_list(self):
@@ -42,15 +44,29 @@ class TestImages(PodmanTestCase):
         self.assertIsNotNone(self.alpine_image)
 
     def test_build(self):
-        with self.assertRaisesNotImplemented():
-            self.pclient.images.build()
+        path = os.path.join(self.tmpdir, 'ctnr', 'Dockerfile')
+        img, logs = self.pclient.images.build(
+            dockerfile=[path],
+            tags=['alpine-unittest'],
+        )
+        self.assertIsNotNone(img)
+        self.assertIn('localhost/alpine-unittest:latest', img.repoTags)
+        self.assertLess(
+            podman.datetime_parse(img.created), datetime.now(timezone.utc))
+        self.assertTrue(logs)
 
     def test_create(self):
+        img_details = self.alpine_image.inspect()
+
         actual = self.alpine_image.container()
         self.assertIsNotNone(actual)
         self.assertEqual(actual.status, 'configured')
-        cntr = actual.start()
-        self.assertIn(cntr.status, ['running', 'exited'])
+        ctnr = actual.start()
+        self.assertIn(ctnr.status, ['running', 'exited'])
+
+        ctnr_details = ctnr.inspect()
+        for e in img_details.containerconfig['env']:
+            self.assertIn(e, ctnr_details.config['env'])
 
     def test_export(self):
         path = os.path.join(self.tmpdir, 'alpine_export.tar')
@@ -60,6 +76,10 @@ class TestImages(PodmanTestCase):
         self.assertTrue(actual)
         self.assertTrue(os.path.isfile(path))
 
+    def test_get(self):
+        actual = self.pclient.images.get(self.alpine_image.id)
+        self.assertEqual(actual, self.alpine_image)
+
     def test_history(self):
         for count, record in enumerate(self.alpine_image.history()):
             self.assertEqual(record.id, self.alpine_image.id)
@@ -102,8 +122,11 @@ class TestImages(PodmanTestCase):
         before = self.loadCache()
         # create unused image, so we have something to delete
         source = os.path.join(self.tmpdir, 'alpine_gold.tar')
-        new_img = self.pclient.images.import_image(source, 'alpine2:latest',
-                                                   'unittest.test_import')
+        new_img = self.pclient.images.import_image(
+            source,
+            'alpine2:latest',
+            'unittest.test_import',
+        )
         after = self.loadCache()
 
         self.assertEqual(len(before) + 1, len(after))

contrib/python/test/test_runner.sh

@@ -6,6 +6,13 @@ if [[ $(id -u) != 0 ]]; then
   exit 2
 fi
 
+# setup path to find new binaries _NOT_ system binaries
+if [[ ! -x ../../bin/podman ]]; then
+  echo 1>&2 Cannot find podman binary from libpod root directory. Run \"make binaries\"
+  exit 1
+fi
+export PATH=../../bin:$PATH
+
 while getopts "vh" arg; do
   case $arg in
     v ) VERBOSE='-v' ;;
@@ -14,8 +21,16 @@ while getopts "vh" arg; do
 done
 shift $((OPTIND-1))
 
+function cleanup {
+  # aggressive cleanup as tests may crash leaving crap around
+  umount '^(shm|nsfs)'
+  umount '\/run\/netns'
+  rm -r "$1"
+}
+
 # Create temporary directory for storage
 export TMPDIR=`mktemp -d /tmp/podman.XXXXXXXXXX`
+trap "cleanup $TMPDIR" EXIT
 
 function umount {
   # xargs -r always ran once, so write any mount points to file first
@@ -25,26 +40,16 @@ function umount {
   fi
 }
 
-function cleanup {
-  umount '^(shm|nsfs)'
-  umount '\/run\/netns'
-  rm -fr ${TMPDIR}
-}
-trap cleanup EXIT
-
-# setup path to find new binaries _NOT_ system binaries
-if [[ ! -x ../../bin/podman ]]; then
-  echo 1>&2 Cannot find podman binary from libpod root directory, Or, run \"make binaries\"
-  exit 1
-fi
-export PATH=../../bin:$PATH
-
 function showlog {
-  [ -s "$1" ] && (echo $1 =====; cat "$1"; echo)
+  [[ -s $1 ]] && cat <<-EOT
+$1 =====
+$(cat "$1")
+
+EOT
 }
 
-# Need a location to store the podman socket
-mkdir -p ${TMPDIR}/{podman,crio,crio-run,cni/net.d}
+# Need locations to store stuff
+mkdir -p ${TMPDIR}/{podman,crio,crio-run,cni/net.d,ctnr}
 
 # Cannot be done in python unittest fixtures.  EnvVar not picked up.
 export REGISTRIES_CONFIG_PATH=${TMPDIR}/registry.conf
@@ -85,6 +90,17 @@ cat >$CNI_CONFIG_PATH/87-podman-bridge.conflist <<-EOT
 }
 EOT
 
+cat >$TMPDIR/ctnr/hello.sh <<-EOT
+echo 'Hello, World'
+EOT
+
+cat >$TMPDIR/ctnr/Dockerfile <<-EOT
+FROM alpine:latest
+COPY ./hello.sh /tmp/hello.sh
+RUN chmod 755 /tmp/hello.sh
+ENTRYPOINT ["/tmp/hello.sh"]
+EOT
+
 export PODMAN_HOST="unix:${TMPDIR}/podman/io.projectatomic.podman"
 PODMAN_ARGS="--storage-driver=vfs\
   --root=${TMPDIR}/crio\