Script:
    Add SNMP community String

Script-Description:
    This script adds an SNMP community string to a cisco switch or router,
    if SNMP is enabled.
   
Script-Filter:
    $Vendor eq "Cisco"
    and $Type in ["Switch", "Switch-Router", "Router"]
    and $sysDescr like /IOS/

Script-Variables:
    $NewCommunityString    string
    $RW            boolean
   
########################################################################
Action:
    Confirm SNMP

Action-Description:
    Make sure SNMP is enabled on the device

Action-Commands:
    SET: $snmpEnabled = "true"
    show snmp
   
Output-Triggers:
    Determine SNMP Status
    SNMP Disabled
    Determine RW String
    Add Community String
   
########################################################################
Trigger:
    Determine SNMP Status

Trigger-Description:
    Determine whether SNMP is enabled or disabled
   
Trigger-Template:
    // cisco devices return this string if snmp is disabled
    %SNMP agent not enabled
   
Trigger-Commands:
    SET: $snmpEnabled = "false"
   
########################################################################
Trigger:
    Determine RW String

Trigger-Description:
    Determine whether the string should be Read-Write or Read-Only
   
Trigger-Filter:
    true
   
Trigger-Commands:{$RW eq "off"}
    SET: $RW = "RO"
   
Trigger-Commands:{$RW eq "on"}
    SET: $RW = "RW"
   
########################################################################
Trigger:
    Add Community String

Trigger-Description:
    Adds the given community string to the device(s)
   
Trigger-Filter:
    $snmpEnabled eq "true"

Trigger-Commands:
    //cisco commands to add string here
    snmp-server community $NewCommunityString $RW
   

Output-Triggers:
    Community String Added

########################################################################
Issue:
    Community String Added

Issue-ID:
    newCommunityString
   
Issue-Severity:
    Info
   
Issue-Description:
    Show which devices the community string was added to, and the string added

Issue-Filter:
    $snmpEnabled eq "true"
   
Issue-Details:
         Host                $IPAddress
          Name                $Name
    Community String    $NewCommunityString
    RW or RO        $RW

########################################################################
Issue:
    SNMP Disabled

Issue-ID:
    snmpDisabled
   
Issue-Severity:
    Error
   
Issue-Description:
    SNMP is not enabled on this device

Issue-Filter:
    $snmpEnable eq "false"
   
Issue-Details:
         Host                $IPAddress
          Name                $Name

########################################################################

 Here is a simple version of the above script.

 

Script:
    Add SNMP community String

Script-Description:
    This script checks to see if the User Specified Community String
    Exists. If it does not then the new community string is added.
   
Script-Filter:
    $Vendor eq "Cisco"
    and $sysDesc like /IOS/

Script-Variables:
    $NewCommunityString    string
       
########################################################################
Action:
    Check for Present Community String

Action-Description:
    Ensure our specified community string isn't in the running config

Action-Commands:
    SET: $communityMatch = "false"
    show run
   
Output-Triggers:
    Parse Output
   
########################################################################
Trigger:
    Parse Output

Trigger-Description:
    Check for the community string
   
Trigger-Variable:
        $communityString string
   
Trigger-Template:
    snmp-server community [[$communityString]] (RO|RW)
   
Trigger-Commands:{$communityString eq $NewCommunityString}
    SET: $communityMatch = "true"
   
Output-Triggers:
    Add Community String
   
########################################################################
Trigger:
    Add Community String

Trigger-Description:
    Adds the given community string to the device(s)if it is not already
    configured
   
Trigger-Commands:{$communityMatch eq "false"}
    conf snmp add community readonly $NewCommunityString
    save
    yes

########################################################################