[libvirt] [sandbox PATCH v4 10/21] Image: Add get_command function to Source

Provide a way to know how a template can be started depending on the used source DockerSource will need to parse the topmost config file in order to find the igniter command --- virt-sandbox-image/sources/DockerSource.py | 14 ++++++++++++++ virt-sandbox-image/sources/Source.py | 4 ++++ 2 files changed, 18 insertions(+) diff --git a/virt-sandbox-image/sources/DockerSource.py b/virt-sandbox-image/sources/DockerSource.py index 760ba6c..3e0362b 100644 --- a/virt-sandbox-image/sources/DockerSource.py +++ b/virt-sandbox-image/sources/DockerSource.py @@ -29,6 +29,15 @@ import os import subprocess import shutil +class DockerConfParser(): + + def __init__(self,jsonfile): + with open(jsonfile) as json_file: + self.json_data = json.load(json_file) + def getRunCommand(self): + cmd = self.json_data['container_config']['Cmd'][2] + return cmd[cmd.index('"') + 1:cmd.rindex('"')] + class DockerSource(Source): www_auth_username = None @@ -363,5 +372,10 @@ class DockerSource(Source): parent = None imagetagid = parent + def get_command(self,configfile): + configParser = DockerConfParser(configfile) + commandToRun = configParser.getRunCommand() + return commandToRun + def debug(msg): sys.stderr.write(msg) diff --git a/virt-sandbox-image/sources/Source.py b/virt-sandbox-image/sources/Source.py index d66e61e..9daf62d 100644 --- a/virt-sandbox-image/sources/Source.py +++ b/virt-sandbox-image/sources/Source.py @@ -37,3 +37,7 @@ class Source(): @abstractmethod def delete_template(self,**args): pass + + @abstractmethod + def get_command(self,**args): + pass -- 2.1.0