28.5. Configuring cluster alert meta options


As with resource agents, meta options can be configured for alert agents to affect how Pacemaker calls them. The following table describes the alert meta options. Meta options can be configured per alert agent as well as per recipient.

Expand
表 28.1. Alert Meta Options
Meta-AttributeDefaultDescription

enabled

true

If set to false for an alert, the alert is not used. If set to true for an alert and false for a particular recipient of that alert, that recipient is not be used.

timestamp-format

%H:%M:%S.%06N

Format the cluster uses when sending the event’s timestamp to the agent. This is a string as used with the date(1) command.

timeout

30s

If the alert agent does not complete within this amount of time, it will be terminated.

The following example procedure configures cluster alert meta options for both an alert agent and for the alert recipients. The procedure configures an alert that calls the script myscript.sh and then adds two recipients to the alert. The script gets called twice for each event.

Procedure

  1. Configure an alert that calls the script myscript.sh and that uses a 15-second timeout.

    # pcs alert create id=my-alert path=/path/to/myscript.sh meta timeout=15s
  2. Add an alert recipient that has an ID of my-alert-recipient1, passing the call to the recipient someuser@example.com with a timestamp in the format %D %H:%M.

    # pcs alert recipient add my-alert value=someuser@example.com id=my-alert-recipient1 meta timestamp-format="%D %H:%M"
  3. Add an alert recipient that has an ID of my-alert-recipient2, passing the call to the recipient otheruser@example.com with a timestamp in the format %c.

    # pcs alert recipient add my-alert value=otheruser@example.com id=my-alert-recipient2 meta timestamp-format="%c"
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