The Monitor configuration file is a stripped down version of the Director configuration file, mixed with a Console configuration file. It simply contains the information necessary to contact Directors, Clients, and Storage daemons you want to monitor.
For a general discussion of configuration file and resources including the data types recognized by Bacula, please see the ConfigurationConfigureChapter chapter of this manual.
The following Monitor Resource definition must be defined:
The Monitor resource defines the attributes of the Monitor running on the network. The parameters you define here must be configured as a Director resource in Clients and Storages configuration files, and as a Console resource in Directors configuration files.
The Director resource defines the attributes of the Directors that are monitored by this Monitor.
As you are not permitted to define a Password in this resource, to avoid obtaining full Director privileges, you must create a Console resource in the Director's configurationDirectorChapter file, using the Console Name and Password defined in the Monitor resource. To avoid security problems, you should configure this Console resource to allow access to no other daemons, and permit the use of only two commands: status and .status (see below for an example).
You may have multiple Director resource specifications in a single Monitor configuration file.
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with-baseport option of the ./configure command. This port must be identical to the DIRport specified in the Director resource of the Director's configurationDirectorChapter file. The default is 9101 so this record is not normally specified.
The Client resource defines the attributes of the Clients that are monitored by this Monitor.
You must create a Director resource in the Client's configurationFiledConfChapter file, using the Director Name defined in the Monitor resource. To avoid security problems, you should set the Monitor directive to Yes in this Director resource.
You may have multiple Director resource specifications in a single Monitor configuration file.
The Storage resource defines the attributes of the Storages that are monitored by this Monitor.
You must create a Director resource in the Storage's configurationStoredConfChapter file, using the Director Name defined in the Monitor resource. To avoid security problems, you should set the Monitor directive to Yes in this Director resource.
You may have multiple Director resource specifications in a single Monitor configuration file.
There is no security problem in relaxing the permissions on tray-monitor.conf as long as FD, SD and DIR are configured properly, so the passwords contained in this file only gives access to the status of the daemons. It could be a security problem if you consider the status information as potentially dangerous (I don't think it is the case).
Concerning Director's configuration:
In tray-monitor.conf, the password in the Monitor resource must point to a restricted console in bacula-dir.conf (see the documentation). So, if you use this password with bconsole, you'll only have access to the status of the director (commands status and .status). It could be a security problem if there is a bug in the ACL code of the director.
Concerning File and Storage Daemons' configuration:
In tray-monitor.conf, the Name in the Monitor resource must point to a Director resource in bacula-fd/sd.conf, with the Monitor directive set to Yes (once again, see the documentation). It could be a security problem if there is a bug in the code which check if a command is valid for a Monitor (this is very unlikely as the code is pretty simple).
An example Tray Monitor configuration file might be the following:
# # Bacula Tray Monitor Configuration File # Monitor { Name = rufus-mon # password for Directors Password = "GN0uRo7PTUmlMbqrJ2Gr1p0fk0HQJTxwnFyE4WSST3MWZseR" RefreshInterval = 10 seconds } Client { Name = rufus-fd Address = rufus FDPort = 9102 # password for FileDaemon Password = "FYpq4yyI1y562EMS35bA0J0QC0M2L3t5cZObxT3XQxgxppTn" } Storage { Name = rufus-sd Address = rufus SDPort = 9103 # password for StorageDaemon Password = "9usxgc307dMbe7jbD16v0PXlhD64UVasIDD0DH2WAujcDsc6" } Director { Name = rufus-dir DIRport = 9101 address = rufus }
Click here to see the full example.SampleClientConfiguration
# # Restricted Director, used by tray-monitor to get the # status of the file daemon # Director { Name = rufus-mon Password = "FYpq4yyI1y562EMS35bA0J0QC0M2L3t5cZObxT3XQxgxppTn" Monitor = yes }
Click here to see the full example.SampleConfiguration
# # Restricted Director, used by tray-monitor to get the # status of the storage daemon # Director { Name = rufus-mon Password = "9usxgc307dMbe7jbD16v0PXlhD64UVasIDD0DH2WAujcDsc6" Monitor = yes }
Click here to see the full exampleSampleDirectorConfiguration.
# # Restricted console used by tray-monitor to get the status of the director # Console { Name = Monitor Password = "GN0uRo7PTUmlMbqrJ2Gr1p0fk0HQJTxwnFyE4WSST3MWZseR" CommandACL = status, .status }
Kern Sibbald 2018-02-03