python-docker: Add auth_config to api.image.inspect_distribution

This is an excerpt from docker-py 4.4.4 needed to check if a given image
exists in an authenticated registry.

Story: 2009305
Task: 43677

Signed-off-by: Jackie Huang <jackie.huang@windriver.com>
Change-Id: Id7de52e3faa79e559d1957bf7a635152b5e775cb

meta-stx-integ/recipes-devtools/python/python-docker/0001-Add-auth_config-to-api.image.inspect_distribution.patch

@@ -0,0 +1,64 @@
+From 55dc1d720418c552657160d1165e2be7e0a80069 Mon Sep 17 00:00:00 2001
+From: Thiago Brito <thiago.brito@windriver.com>
+Date: Tue, 6 Jul 2021 15:41:06 -0300
+Subject: [PATCH 2/2] Add auth_config to api.image.inspect_distribution
+
+This is an excerpt from docker-py 4.4.4 needed to check if a given image
+exists in an authenticated registry.
+
+Upstream-Status: Backport
+
+Signed-off-by: Thiago Brito <thiago.brito@windriver.com>
+Signed-off-by: Jackie Huang <jackie.huang@windriver.com>
+---
+ docker/api/image.py | 22 +++++++++++++++++-----
+ 1 file changed, 17 insertions(+), 5 deletions(-)
+
+diff --git a/docker/api/image.py b/docker/api/image.py
+index 5f05d88..8fc9164 100644
+--- a/docker/api/image.py
++++ b/docker/api/image.py
+@@ -247,23 +247,35 @@ class ImageApiMixin(object):
+ 
+     @utils.minimum_version('1.30')
+     @utils.check_resource('image')
+-    def inspect_distribution(self, image):
++    def inspect_distribution(self, image, auth_config=None):
+         """
+         Get image digest and platform information by contacting the registry.
+-
+         Args:
+             image (str): The image name to inspect
+-
++            auth_config (dict): Override the credentials that are found in the
++                config for this request.  ``auth_config`` should contain the
++                ``username`` and ``password`` keys to be valid.
+         Returns:
+             (dict): A dict containing distribution data
+-
+         Raises:
+             :py:class:`docker.errors.APIError`
+                 If the server returns an error.
+         """
++        registry, _ = auth.resolve_repository_name(image)
++
++        headers = {}
++        if auth_config is None:
++            header = auth.get_config_header(self, registry)
++            if header:
++                headers['X-Registry-Auth'] = header
++        else:
++            log.debug('Sending supplied auth config')
++            headers['X-Registry-Auth'] = auth.encode_header(auth_config)
++
++        url = self._url("/distribution/{0}/json", image)
+ 
+         return self._result(
+-            self._get(self._url("/distribution/{0}/json", image)), True
++            self._get(url, headers=headers), True
+         )
+ 
+     def load_image(self, data, quiet=None):
+-- 
+2.17.1
+

meta-stx-integ/recipes-devtools/python/python-docker_3.3.0.bb

@@ -5,6 +5,10 @@ SECTION = "devel/python"
 LICENSE = "Apache-2.0"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=34f3846f940453127309b920eeb89660"
 
+SRC_URI += "\
+	file://0001-Add-auth_config-to-api.image.inspect_distribution.patch \
+	"
+
 SRC_URI[md5sum] = "660c3c0c3776cb88f34fc549d7c89ed2"
 SRC_URI[sha256sum] = "dc5cc0971a0d36fe94c5ce89bd4adb6c892713500af7b0818708229c3199911a"