[sandbox PATCH v2 10/19] Image: Add get_disk function to Source

[Eren Yagdiran <erenyagdiran@xxxxxxxxx>]

Provide a way to know which disk image to use for the sandbox depending on the used source
DockerSource will need to locate the topmost disk image among all the layers images
---
 virt-sandbox-image/sources/DockerSource.py | 9 +++++++++
 virt-sandbox-image/sources/Source.py       | 4 ++++
 2 files changed, 13 insertions(+)

diff --git a/virt-sandbox-image/sources/DockerSource.py b/virt-sandbox-image/sources/DockerSource.py
index 2f4646f..74feb3e 100644
--- a/virt-sandbox-image/sources/DockerSource.py
+++ b/virt-sandbox-image/sources/DockerSource.py
@@ -385,6 +385,15 @@ class DockerSource(Source):
                     parent = None
             imagetagid = parent
 
+    def get_disk(self,**args):
+        name = args['name']
+        destdir = args['path']
+        imageList = self._get_image_list(name,destdir)
+        toplayer = imageList[0]
+        diskfile = destdir + "/" + toplayer + "/template.qcow2"
+        configfile = destdir + "/" + toplayer + "/template.json"
+        return (diskfile,configfile)
+
     def get_command(self,configfile):
         configParser = DockerConfParser(configfile)
         commandToRun = configParser.getRunCommand()
diff --git a/virt-sandbox-image/sources/Source.py b/virt-sandbox-image/sources/Source.py
index 01f8560..6e2f5fb 100644
--- a/virt-sandbox-image/sources/Source.py
+++ b/virt-sandbox-image/sources/Source.py
@@ -45,3 +45,7 @@ class Source():
     @abstractmethod
     def get_command(self,**args):
       pass
+
+    @abstractmethod
+    def get_disk(self,**args):
+      pass
-- 
2.1.0

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