diff --git a/files/nagios/client/nrpe.cfg b/files/nagios/client/nrpe.cfg new file mode 100644 index 0000000000..e2ddc356fa --- /dev/null +++ b/files/nagios/client/nrpe.cfg @@ -0,0 +1,223 @@ +############################################################################# +# Sample NRPE Config File +# Written by: Ethan Galstad (nagios@nagios.org) +# +# Last Modified: 11-23-2007 +# +# NOTES: +# This is a sample configuration file for the NRPE daemon. It needs to be +# located on the remote host that is running the NRPE daemon, not the host +# from which the check_nrpe client is being executed. +############################################################################# + + +# LOG FACILITY +# The syslog facility that should be used for logging purposes. + +log_facility=daemon + + + +# PID FILE +# The name of the file in which the NRPE daemon should write it's process ID +# number. The file is only written if the NRPE daemon is started by the root +# user and is running in standalone mode. + +pid_file=/var/run/nrpe/nrpe.pid + + + +# PORT NUMBER +# Port number we should wait for connections on. +# NOTE: This must be a non-priviledged port (i.e. > 1024). +# NOTE: This option is ignored if NRPE is running under either inetd or xinetd + +server_port=5666 + + + +# SERVER ADDRESS +# Address that nrpe should bind to in case there are more than one interface +# and you do not want nrpe to bind on all interfaces. +# NOTE: This option is ignored if NRPE is running under either inetd or xinetd + +#server_address=127.0.0.1 + + + +# NRPE USER +# This determines the effective user that the NRPE daemon should run as. +# You can either supply a username or a UID. +# +# NOTE: This option is ignored if NRPE is running under either inetd or xinetd + +nrpe_user=nrpe + + + +# NRPE GROUP +# This determines the effective group that the NRPE daemon should run as. +# You can either supply a group name or a GID. +# +# NOTE: This option is ignored if NRPE is running under either inetd or xinetd + +nrpe_group=nrpe + + + +# ALLOWED HOST ADDRESSES +# This is an optional comma-delimited list of IP address or hostnames +# that are allowed to talk to the NRPE daemon. Network addresses with a bit mask +# (i.e. 192.168.1.0/24) are also supported. Hostname wildcards are not currently +# supported. +# +# Note: The daemon only does rudimentary checking of the client's IP +# address. I would highly recommend adding entries in your /etc/hosts.allow +# file to allow only the specified host to connect to the port +# you are running this daemon on. +# +# NOTE: This option is ignored if NRPE is running under either inetd or xinetd + + +allowed_hosts=10.5.126.41,192.168.1.10,192.168.1.20,209.132.181.102,192.168.1.20 + + + +# COMMAND ARGUMENT PROCESSING +# This option determines whether or not the NRPE daemon will allow clients +# to specify arguments to commands that are executed. This option only works +# if the daemon was configured with the --enable-command-args configure script +# option. +# +# *** ENABLING THIS OPTION IS A SECURITY RISK! *** +# Read the SECURITY file for information on some of the security implications +# of enabling this variable. +# +# Values: 0=do not allow arguments, 1=allow command arguments + +dont_blame_nrpe=0 + + + +# COMMAND PREFIX +# This option allows you to prefix all commands with a user-defined string. +# A space is automatically added between the specified prefix string and the +# command line from the command definition. +# +# *** THIS EXAMPLE MAY POSE A POTENTIAL SECURITY RISK, SO USE WITH CAUTION! *** +# Usage scenario: +# Execute restricted commmands using sudo. For this to work, you need to add +# the nagios user to your /etc/sudoers. An example entry for alllowing +# execution of the plugins from might be: +# +# nagios ALL=(ALL) NOPASSWD: /usr/lib/nagios/plugins/ +# +# This lets the nagios user run all commands in that directory (and only them) +# without asking for a password. If you do this, make sure you don't give +# random users write access to that directory or its contents! + +# command_prefix=/usr/bin/sudo + + + +# DEBUGGING OPTION +# This option determines whether or not debugging messages are logged to the +# syslog facility. +# Values: 0=debugging off, 1=debugging on + +debug=0 + + + +# COMMAND TIMEOUT +# This specifies the maximum number of seconds that the NRPE daemon will +# allow plugins to finish executing before killing them off. + +command_timeout=60 + + + +# CONNECTION TIMEOUT +# This specifies the maximum number of seconds that the NRPE daemon will +# wait for a connection to be established before exiting. This is sometimes +# seen where a network problem stops the SSL being established even though +# all network sessions are connected. This causes the nrpe daemons to +# accumulate, eating system resources. Do not set this too low. + +connection_timeout=300 + + + +# WEEK RANDOM SEED OPTION +# This directive allows you to use SSL even if your system does not have +# a /dev/random or /dev/urandom (on purpose or because the necessary patches +# were not applied). The random number generator will be seeded from a file +# which is either a file pointed to by the environment valiable $RANDFILE +# or $HOME/.rnd. If neither exists, the pseudo random number generator will +# be initialized and a warning will be issued. +# Values: 0=only seed from /dev/[u]random, 1=also seed from weak randomness + +#allow_weak_random_seed=1 + + + +# INCLUDE CONFIG FILE +# This directive allows you to include definitions from an external config file. + +#include= + + + +# INCLUDE CONFIG DIRECTORY +# This directive allows you to include definitions from config files (with a +# .cfg extension) in one or more directories (with recursion). + +include_dir=/etc/nrpe.d/ + + + +# COMMAND DEFINITIONS +# Command definitions that this daemon will run. Definitions +# are in the following format: +# +# command[]= +# +# When the daemon receives a request to return the results of +# it will execute the command specified by the argument. +# +# Unlike Nagios, the command line cannot contain macros - it must be +# typed exactly as it should be executed. +# +# Note: Any plugins that are used in the command lines must reside +# on the machine that this daemon is running on! The examples below +# assume that you have plugins installed in a /usr/local/nagios/libexec +# directory. Also note that you will have to modify the definitions below +# to match the argument format the plugins expect. Remember, these are +# examples only! + + +# The following examples use hardcoded command arguments... + +command[check_users]=/usr/lib64/nagios/plugins/check_users -w 5 -c 10 +command[check_load]=/usr/lib64/nagios/plugins/check_load -w 15,10,5 -c 30,25,20 +command[check_hda1]=/usr/lib64/nagios/plugins/check_disk -w 20% -c 10% -p /dev/hda1 +command[check_zombie_procs]=/usr/lib64/nagios/plugins/check_procs -w 5 -c 10 -s Z +command[check_total_procs]=/usr/lib64/nagios/plugins/check_procs -w 150 -c 200 + + +# The following examples allow user-supplied arguments and can +# only be used if the NRPE daemon was compiled with support for +# command arguments *AND* the dont_blame_nrpe directive in this +# config file is set to '1'. This poses a potential security risk, so +# make sure you read the SECURITY file before doing this. + +#command[check_users]=/usr/lib64/nagios/plugins/check_users -w $ARG1$ -c $ARG2$ +#command[check_load]=/usr/lib64/nagios/plugins/check_load -w $ARG1$ -c $ARG2$ +#command[check_disk]=/usr/lib64/nagios/plugins/check_disk -w $ARG1$ -c $ARG2$ -p $ARG3$ +#command[check_procs]=/usr/lib64/nagios/plugins/check_procs -w $ARG1$ -c $ARG2$ -s $ARG3$ + + +# NEVER ADD ANYTHING HERE - ANY ENTRIES TO NRPE SHOULD BE in .cfg files in /etc/nrpe.d/ + +# NEVER NEVER NEVER +# \ No newline at end of file diff --git a/playbooks/groups/kernel-qa.yml b/playbooks/groups/kernel-qa.yml index 3e9ff99a36..b08ebe32b1 100644 --- a/playbooks/groups/kernel-qa.yml +++ b/playbooks/groups/kernel-qa.yml @@ -23,6 +23,7 @@ - include: $tasks/sudo.yml - include: $tasks/rkhunter.yml - include: $tasks/denyhosts.yml + - include: $tasks/nagios_client.yml handlers: diff --git a/tasks/nagios_client.yml b/tasks/nagios_client.yml new file mode 100644 index 0000000000..20a050b439 --- /dev/null +++ b/tasks/nagios_client.yml @@ -0,0 +1,43 @@ +# nagios-client/nrpe + +--- +# install pkgs: +- name: install nagios client pkgs + yum: name=$item state=installed + with_items: + - nrpe + - nagios-plugins + - nagios-plugins-disk + - nagios-plugins-file_age + - nagios-plugins-users + - nagios-plugins-procs + - nagios-plugins-swap + - nagios-plugins-load + - nagios-plugins-ping + tags: + - packages + +# create dirs +# puppet used to make /var/spool/nagios (owned by nagios.nagios) mode 750 +# and /usr/lib/nagios/plugins (owned by root) mode 755 - but we don't know WHY +# then stuff it with plugins from the plugins dir in the nagios module +# then we symlinked that to /usr/lib64/nagios/plugins +# it was a nightmare - don't do that - my ghost will haunt you if you do +# skvidal 2013-05-21 + + +# FIXME? figure out nrpe selinux policy of DOOM is needed + +- name: /etc/nagios/nrpe.cfg + copy: src=$files/nagios/client/nrpe.cfg dest=/etc/nagios/nrpe.cfg + notify: + - restart nrpe + tags: + - config + +- name: nrpe service start + service: name=nrpe state=running enabled=true + tags: + - service + +