Add Nagios output for metric_collector
The patch embeds the Lua sandbox encoder for Nagios.
diff --git a/heka/files/lua/encoders/status_nagios.lua b/heka/files/lua/encoders/status_nagios.lua
index ad4c540..c032d17 100644
--- a/heka/files/lua/encoders/status_nagios.lua
+++ b/heka/files/lua/encoders/status_nagios.lua
@@ -19,8 +19,6 @@
local lma = require 'lma_utils'
local interp = require "msg_interpolate"
-local host = read_config('nagios_host')
-local service_template = read_config('service_template') or error('service_template is required!')
-- Nagios CGI cannot accept 'plugin_output' parameter greater than 1024 bytes
-- See bug #1517917 for details.
-- With the 'cmd.cgi' re-implementation for the command PROCESS_SERVICE_CHECK_RESULT,
@@ -29,7 +27,6 @@
local data = {
cmd_typ = '30',
cmd_mod = '2',
- host = host,
service = nil,
plugin_state = nil,
plugin_output = nil,
@@ -55,7 +52,7 @@
end
function process_message()
- local service_name = interp.interpolate_from_msg(service_template)
+ local service_name = read_message('Fields[member]')
local status = afd.get_status()
local alarms = afd.alarms_for_human(afd.extract_alarms())
@@ -63,6 +60,7 @@
return -1
end
+ data['host'] = read_message('Fields[hostname]') or read_message('Hostname')
data['service'] = service_name
data['plugin_state'] = nagios_state_map[status]
diff --git a/heka/files/toml/encoder/sandbox.toml b/heka/files/toml/encoder/sandbox.toml
new file mode 100644
index 0000000..67c95a1
--- /dev/null
+++ b/heka/files/toml/encoder/sandbox.toml
@@ -0,0 +1,13 @@
+[{{ encoder_name }}_encoder]
+type = "SandboxEncoder"
+filename = "{{ encoder.module_file }}"
+{%- if encoder.module_dir is defined %}
+module_directory = "{{ encoder.module_dir }}"
+{%- endif %}
+
+{%- if encoder.config is mapping %}
+[{{ encoder_name }}_encoder.config]
+{%- for config_param, config_value in encoder.config.iteritems() %}
+{{ config_param }} = {% if config_value is string %}"{{ config_value }}"{% elif config_value in [True, False] %}{{ config_value|lower }}{% else %}{{ config_value }}{% endif %}
+{%- endfor %}
+{%- endif %}
diff --git a/heka/files/toml/output/http.toml b/heka/files/toml/output/http.toml
index 1ec3672..fce5d97 100644
--- a/heka/files/toml/output/http.toml
+++ b/heka/files/toml/output/http.toml
@@ -7,14 +7,16 @@
username = "{{ output.username }}"
password = "{{ output.password }}"
{%- endif %}
-http_timeout = {{ output.timeout }}
-method = "POST"
+http_timeout = {{ output.http_timeout|default(2000) }}
+method = "{{ output.method|default("POST") }}"
+{% if output.get('use_buffering', True) %}
use_buffering = true
[{{ output_name }}_output.buffering]
-max_buffer_size = 1610612736
-max_file_size = 134217728
-full_action = "drop"
+max_buffer_size = {{ output.max_buffer_size|default(268435456) }}
+max_file_size = {{ output.max_file_size|default(67108864) }}
+full_action = "{{ output.full_action|default("drop") }}"
+{% endif %}
[{{ output_name }}_output.headers]
Content-Type = ["application/x-www-form-urlencoded"]
diff --git a/heka/map.jinja b/heka/map.jinja
index 300960e..e894f4b 100644
--- a/heka/map.jinja
+++ b/heka/map.jinja
@@ -35,6 +35,7 @@
{% set default_influxdb_time_precision = 'ms' %}
{% set default_influxdb_timeout = 5000 %}
{% set default_aggregator_port = 5565 %}
+{% set default_nagios_port = 8001 %}
{% set log_collector = salt['grains.filter_by']({
'default': {
@@ -48,6 +49,7 @@
'influxdb_time_precision': default_influxdb_time_precision,
'influxdb_timeout': default_influxdb_timeout,
'aggregator_port': default_aggregator_port,
+ 'nagios_port': default_nagios_port,
}
}, merge=salt['pillar.get']('heka:metric_collector')) %}
diff --git a/heka/meta/heka.yml b/heka/meta/heka.yml
index 67254c8..b648874 100644
--- a/heka/meta/heka.yml
+++ b/heka/meta/heka.yml
@@ -106,6 +106,12 @@
append_newlines: false
prefix_ts: false
{%- endif %}
+{%- if metric_collector.nagios_host is defined %}
+ nagios:
+ engine: sandbox
+ module_file: /usr/share/lma_collector/encoders/status_nagios.lua
+ module_dir: /usr/share/lma_collector/common;/usr/share/heka/lua_modules
+{%- endif %}
output:
metric_dashboard:
engine: dashboard
@@ -131,6 +137,20 @@
port: "{{ metric_collector.aggregator_port }}"
message_matcher: "Fields[aggregator] == NIL && Type == 'heka.sandbox.afd_metric'"
{%- endif %}
+{%- if metric_collector.nagios_host is defined %}
+ nagios_alarm:
+ engine: http
+ address: "http://{{ metric_collector.nagios_host }}:{{metric_collector.nagios_port }}/status"
+ message_matcher: "Fields[aggregator] == NIL && Type == 'heka.sandbox.afd_metric' && Fields[no_alerting] == NIL"
+ encoder: nagios_encoder
+ {%- if metric_collector.nagios_username is defined and metric_collector.nagios_password is defined %}
+ username: {{ metric_collector.get('nagios_username') }}
+ password: {{ metric_collector.get('nagios_password') }}
+ {%- endif %}
+ max_buffer_size: 1048576
+ max_file_size: 524288
+ full_action: drop
+{%- endif %}
remote_collector:
decoder:
collectd: