vm.py 文件源码

def write_vm_file(self, path, content, uri="qemu:///system"):
        FILE_OPEN_WRITE="""{"execute":"guest-file-open", "arguments":{"path":"%s","mode":"w+"}}"""
        FILE_WRITE="""{"execute":"guest-file-write", "arguments":{"handle":%s,"buf-b64":"%s"}}"""
        FILE_CLOSE="""{"execute":"guest-file-close", "arguments":{"handle":%s}}"""  
        FILE_FLUSH="""{"execute":"guest-file-flush", "arguments":{"handle":%s}}"""  
        file_handle=-1
        enc_content = base64.standard_b64encode(content)
        try:
            file_handle=self.EXE(FILE_OPEN_WRITE % path)["return"]
            write_count=self.EXE(FILE_WRITE % (file_handle,enc_content))["return"]["count"]
            logger.debug("content:\n%s\npath:\n%s"%(content, path))
        except Exception,ex:
            print Exception,":",ex
            return -1
        finally:
            self.EXE(FILE_FLUSH % file_handle)
            self.EXE(FILE_CLOSE % file_handle)
        return write_count