prometheus-snmp-exporter: generator.yml: Override the wrong type for Synology OID

generator.yml

# Synology
#
# Synology MIBs can be found here:
#   http://www.synology.com/support/snmp_mib.php
#   http://dedl.synology.com/download/Document/MIBGuide/Synology_MIB_File.zip
#
# Tested on RS2414rp+ NAS
#
  synology:
    walk:
      - interfaces
      - sysUpTime
      - ifXTable
      - laNames
      - laLoadInt
      - ssCpuUser
      - ssCpuSystem
      - ssCpuIdle
      - memory
      - hrStorage
      - 1.3.6.1.4.1.6574.1       # synoSystem
      - 1.3.6.1.4.1.6574.2       # synoDisk
      - 1.3.6.1.4.1.6574.3       # synoRaid
      - 1.3.6.1.4.1.6574.4       # synoUPS
      - 1.3.6.1.4.1.6574.5       # synologyDiskSMART
      - 1.3.6.1.4.1.6574.6       # synologyService
      - 1.3.6.1.4.1.6574.101     # storageIO
      - 1.3.6.1.4.1.6574.102     # spaceIO
      - 1.3.6.1.4.1.6574.104     # synologyiSCSILUN
    lookups:
      - source_indexes: [spaceIOIndex]
        lookup: spaceIODevice
        drop_source_indexes: true
      - source_indexes: [storageIOIndex]
        lookup: storageIODevice
        drop_source_indexes: true
      - source_indexes: [serviceInfoIndex]
        lookup: serviceName
        drop_source_indexes: true
      - source_indexes: [ifIndex]
        # Use OID to avoid conflict with Netscaler NS-ROOT-MIB.
        lookup: 1.3.6.1.2.1.31.1.1.1.1 # ifName
        drop_source_indexes: true
      - source_indexes: [diskIndex]
        lookup: diskID
        drop_source_indexes: true
      - source_indexes: [raidIndex]
        lookup: raidName
        drop_source_indexes: true
      - source_indexes: [laIndex]
        lookup: laNames
        drop_source_indexes: true
      - source_indexes: [hrStorageIndex]
        lookup: hrStorageDescr
        drop_source_indexes: true
    overrides:
      ifType:
        type: EnumAsInfo
      # Fix wrong type for Synology OID
      1.3.6.1.4.1.6574.6.1.1.2: # serviceName
        type: DisplayString
      1.3.6.1.4.1.6574.1.5.1: # modelName
        type: DisplayString
      1.3.6.1.4.1.6574.1.5.2: # serialNumber
        type: DisplayString
      1.3.6.1.4.1.6574.1.5.3: # version
        type: DisplayString
      1.3.6.1.4.1.6574.2.1.1.2: # diskID
        type: DisplayString
      1.3.6.1.4.1.6574.2.1.1.3: # diskModel
        type: DisplayString
      1.3.6.1.4.1.6574.2.1.1.4: # diskType
        type: DisplayString
      1.3.6.1.4.1.6574.2.1.1.7: # diskRole
        type: DisplayString
      1.3.6.1.4.1.6574.2.1.1.12: # diskName
        type: DisplayString
      1.3.6.1.4.1.6574.3.1.1.2: # raidName
        type: DisplayString
      1.3.6.1.4.1.6574.5.1.1.2: # diskSMARTInfoDevName
        type: DisplayString
      1.3.6.1.4.1.6574.5.1.1.3: # diskSMARTAttrName
        type: DisplayString
      1.3.6.1.4.1.6574.5.1.1.9: # diskSMARTAttrStatus
        type: DisplayString