Add Fail2ban exporter

[hctrdev]

Add new entry to the list of exporters for my Fail2ban exporter.

Sample output:

# HELP f2b_errors Number of errors found since startup
# TYPE f2b_errors counter
f2b_errors{type="socket_conn"} 0
f2b_errors{type="socket_req"} 0
# HELP f2b_jail_banned_current Number of IPs currently banned in this jail
# TYPE f2b_jail_banned_current gauge
f2b_jail_banned_current{jail="recidive"} 5
f2b_jail_banned_current{jail="sshd"} 15
# HELP f2b_jail_banned_total Total number of IPs banned by this jail (includes expired bans)
# TYPE f2b_jail_banned_total gauge
f2b_jail_banned_total{jail="recidive"} 6
f2b_jail_banned_total{jail="sshd"} 31
# HELP f2b_jail_count Number of defined jails
# TYPE f2b_jail_count gauge
f2b_jail_count 2
# HELP f2b_jail_failed_current Number of current failures on this jail's filter
# TYPE f2b_jail_failed_current gauge
f2b_jail_failed_current{jail="recidive"} 5
f2b_jail_failed_current{jail="sshd"} 6
# HELP f2b_jail_failed_total Number of total failures on this jail's filter
# TYPE f2b_jail_failed_total gauge
f2b_jail_failed_total{jail="recidive"} 7
f2b_jail_failed_total{jail="sshd"} 125
# HELP f2b_config_jail_ban_time How long an IP is banned for in this jail (in seconds)
# TYPE f2b_config_jail_ban_time gauge
f2b_config_jail_ban_time{jail="recidive"} 604800
f2b_config_jail_ban_time{jail="sshd"} 600
# HELP f2b_config_jail_find_time How far back will the filter look for failures in this jail (in seconds)
# TYPE f2b_config_jail_find_time gauge
f2b_config_jail_find_time{jail="recidive"} 86400
f2b_config_jail_find_time{jail="sshd"} 600
# HELP f2b_config_jail_max_retries The number of failures allowed until the IP is banned by this jail
# TYPE f2b_config_jail_max_retries gauge
f2b_config_jail_max_retries{jail="recidive"} 5
f2b_config_jail_max_retries{jail="sshd"} 5
# HELP f2b_up Check if the fail2ban server is up
# TYPE f2b_up gauge
f2b_up 1
# HELP f2b_version Version of the exporter and fail2ban server
# TYPE f2b_version gauge
f2b_version{exporter="0.5.0",fail2ban="0.11.1"} 1

Signed-off-by: Hector [email protected]

[brunob]

+1 for merge