Documentation

LDAP Input Plugin

This plugin gathers metrics from LDAP servers’ monitoring (cn=Monitor) backend. Currently this plugin supports OpenLDAP and 389ds servers.

Introduced in: Telegraf v1.29.0 Tags: network, server OS support: all

Global configuration options

In addition to the plugin-specific configuration settings, plugins support additional global and plugin configuration settings. These settings are used to modify metrics, tags, and field or create aliases and configure ordering, etc. See the CONFIGURATION.md for more details.

Configuration

# LDAP monitoring plugin
[[inputs.ldap]]
  ## Server to monitor
  ## The scheme determines the mode to use for connection with
  ##    ldap://...      -- unencrypted (non-TLS) connection
  ##    ldaps://...     -- TLS connection
  ##    starttls://...  --  StartTLS connection
  ## If no port is given, the default ports, 389 for ldap and starttls and
  ## 636 for ldaps, are used.
  server = "ldap://localhost"

  ## Server dialect, can be "openldap" or "389ds"
  # dialect = "openldap"

  # DN and password to bind with
  ## If bind_dn is empty an anonymous bind is performed.
  bind_dn = ""
  bind_password = ""

  ## Reverse the field names constructed from the monitoring DN
  # reverse_field_names = false

  ## Optional TLS Config
  ## Set to true/false to enforce TLS being enabled/disabled. If not set,
  ## enable TLS only if any of the other options are specified.
  # tls_enable =
  ## Trusted root certificates for server
  # tls_ca = "/path/to/cafile"
  ## Used for TLS client certificate authentication
  # tls_cert = "/path/to/certfile"
  ## Used for TLS client certificate authentication
  # tls_key = "/path/to/keyfile"
  ## Password for the key file if it is encrypted
  # tls_key_pwd = ""
  ## Send the specified TLS server name via SNI
  # tls_server_name = "kubernetes.example.com"
  ## Minimal TLS version to accept by the client
  # tls_min_version = "TLS12"
  ## List of ciphers to accept, by default all secure ciphers will be accepted
  ## See https://pkg.go.dev/crypto/tls#pkg-constants for supported values.
  ## Use "all", "secure" and "insecure" to add all support ciphers, secure
  ## suites or insecure suites respectively.
  # tls_cipher_suites = ["secure"]
  ## Renegotiation method, "never", "once" or "freely"
  # tls_renegotiation_method = "never"
  ## Use TLS but skip chain & host verification
  # insecure_skip_verify = false

To use this plugin you must enable the monitoring backend/plugin of your LDAP server. See OpenLDAP or 389ds documentation for details.

Metrics

Depending on the server dialect, different metrics are produced. The metrics are usually named according to the selected dialect.

Tags

  • server – Server name or IP
  • port – Port used for connecting

Example Output

Using the openldap dialect

openldap,server=localhost,port=389 operations_completed=63i,operations_initiated=98i,operations_bind_initiated=10i,operations_unbind_initiated=6i,operations_modrdn_completed=0i,operations_delete_initiated=0i,operations_add_completed=2i,operations_delete_completed=0i,operations_abandon_completed=0i,statistics_entries=1516i,threads_open=2i,threads_active=1i,waiters_read=1i,operations_modify_completed=0i,operations_extended_initiated=4i,threads_pending=0i,operations_search_initiated=36i,operations_compare_initiated=0i,connections_max_file_descriptors=4096i,operations_modify_initiated=0i,operations_modrdn_initiated=0i,threads_max=16i,time_uptime=6017i,connections_total=1037i,connections_current=1i,operations_add_initiated=2i,statistics_bytes=162071i,operations_unbind_completed=6i,operations_abandon_initiated=0i,statistics_pdu=1566i,threads_max_pending=0i,threads_backload=1i,waiters_write=0i,operations_bind_completed=10i,operations_search_completed=35i,operations_compare_completed=0i,operations_extended_completed=4i,statistics_referrals=0i,threads_starting=0i 1516912070000000000

Using the 389ds dialect

389ds,port=32805,server=localhost add_operations=0i,anonymous_binds=0i,backends=0i,bind_security_errors=0i,bytes_received=0i,bytes_sent=256i,cache_entries=0i,cache_hits=0i,chainings=0i,compare_operations=0i,connections=1i,connections_in_max_threads=0i,connections_max_threads=0i,copy_entries=0i,current_connections=1i,current_connections_at_max_threads=0i,delete_operations=0i,dtablesize=63936i,entries_returned=2i,entries_sent=2i,errors=2i,in_operations=11i,list_operations=0i,maxthreads_per_conn_hits=0i,modify_operations=1i,modrdn_operations=0i,onelevel_search_operations=0i,operations_completed=10i,operations_initiated=11i,read_operations=0i,read_waiters=0i,referrals=0i,referrals_returned=0i,search_operations=3i,security_errors=0i,simpleauth_binds=1i,strongauth_binds=2i,threads=17i,total_connections=4i,unauth_binds=0i,wholesubtree_search_operations=1i 1695637234047087280

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