Checkmk Werk 10477: agent_azure: recover from missing metrics

ID: 10477 Title: agent_azure: recover from missing metrics Component: Checks & agents Level: 1 Class: Bug fix Version: 1.7.0i1 Previously the special agent did not return any metric if one or more of the required metrics were not present. It now recovers from those errors and return as many metrics as we can get.