Merged in MON-27_apache_nginx_php (pull request #2)

MON-27 apache nginx php

Approved-by: vincent.elkhatib@morea.fr <vincent.elkhatib@morea.fr>
Approved-by: Quentin Manfroi <quentin.manfroi@yahoo.fr>

inputs.tf

@@ -49,6 +49,7 @@ variable "rds_mem_threshold" {
   }
 }
 
+
 ## ELB
 variable "dd_aws_elb" {
   default = "disable"
@@ -78,3 +79,29 @@ variable "elb_backend_latency" {
     critical  = 5000
   }
 }
+
+##apache nginx php
+variable "dd_nginx" {
+  default = "disabled"
+}
+variable "dd_php_fpm" {
+  default = "disabled"
+}
+
+variable "dd_apache" {
+  default = "disabled"
+}
+variable "apache_nginx_fpm_config" {
+  type = "map"
+  default = {
+    notify_no_data = false
+    delay = 900
+  }
+}
+variable "php_fpm_busy_threshold" {
+  type = "map"
+  default = {
+    warning   = 0.8
+    critical  = 0.9
+  }
+}

monitors_apache.tf

@@ -0,0 +1,26 @@
+resource "datadog_monitor" "Apache_process" {
+  name    = "[${var.env}] Nginx process is down on {{host.name}}"
+  message = "{{#is_alert}}\n${var.hno_escalation_group} \n{{/is_alert}} \n{{#is_recovery}}\n${var.hno_escalation_group}\n{{/is_recovery}}\n{{#is_warning}}\n${var.ho_escalation_group} \n{{/is_warning}} \n{{#is_warning_recovery}}\n${var.ho_escalation_group}\n{{/is_warning_recovery}}"
+
+
+  type  = "service check"
+  query = "\"process.up\".over(\"dd_monitoring:enabled\",\"dd_apache:enabled\",\"process:apache\",\"env:${var.env}\").by(\"host\",\"process\", \"app\").last(4).count_by_status()"
+  count = "${var.dd_apache == "enabled" ? 1 : 0 }"
+
+  thresholds = {
+    ok = 1
+    warning = 2
+    critical = 4
+  }
+
+  notify_no_data      = "${var.apache_nginx_fpm_config["notify_no_data"]}"
+  evaluation_delay    = "${var.apache_nginx_fpm_config["delay"]}"
+  new_host_delay      = "${var.apache_nginx_fpm_config["delay"]}"
+  renotify_interval   = 60
+  notify_audit        = false
+  timeout_h           = 0
+  include_tags        = true
+  locked              = false
+  require_full_window = true
+  no_data_timeframe   = 20
+}

monitors_fpm.tf

@@ -0,0 +1,54 @@
+resource "datadog_monitor" "php-fpm_process_idle" {
+  name    = "[${var.env}] php_fpm busy worker > 90% on {{host.name}}"
+  message = "{{#is_alert}}\n${var.hno_escalation_group} \n{{/is_alert}} \n{{#is_recovery}}\n${var.hno_escalation_group}\n{{/is_recovery}}\n{{#is_warning}}\n${var.ho_escalation_group} \n{{/is_warning}} \n{{#is_warning_recovery}}\n${var.ho_escalation_group}\n{{/is_warning_recovery}}"
+
+
+  type  = "query alert"
+  query = "avg(last_10m):avg:php_fpm.processes.active{dd_monitoring:enabled,dd_php_fpm:enabled,env:${var.env}} by {host,region,app} / ( avg:php_fpm.processes.idle{dd_monitoring:enabled,dd_php_fpm:enabled,env:${var.env}} by {host,region,app} + avg:php_fpm.processes.active{dd_monitoring:enabled,dd_php_fpm:enabled,env:${var.env}} by {host,region,stack} ) > 0.90"
+  count = "${var.dd_php_fpm == "enabled" ? 1 : 0 }"
+
+  thresholds {
+    warning  = "${var.php_fpm_busy_threshold["warning"]}"
+    critical = "${var.php_fpm_busy_threshold["critical"]}"
+  }
+
+  notify_no_data      = "${var.apache_nginx_fpm_config["notify_no_data"]}"
+  evaluation_delay    = "${var.apache_nginx_fpm_config["delay"]}"
+  new_host_delay      = "${var.apache_nginx_fpm_config["delay"]}"
+  renotify_interval   = 60
+  notify_audit        = false
+  timeout_h           = 0
+  include_tags        = true
+  locked              = false
+  require_full_window = true
+  renotify_interval   = 0
+  no_data_timeframe   = 20
+}
+
+
+resource "datadog_monitor" "FPM_process" {
+  name    = "[${var.env}] FPM process is down on {{host.name}}"
+  message = "{{#is_alert}}\n${var.hno_escalation_group} \n{{/is_alert}} \n{{#is_recovery}}\n${var.hno_escalation_group}\n{{/is_recovery}}\n{{#is_warning}}\n${var.ho_escalation_group} \n{{/is_warning}} \n{{#is_warning_recovery}}\n${var.ho_escalation_group}\n{{/is_warning_recovery}}"
+
+
+  type  = "service check"
+  query = "\"process.up\".over(\"dd_monitoring:enabled\",\"dd_php_fpm:enabled\",\"process:php_fpm\",\"env:${var.env}\").by(\"host\",\"process\", \"app\").last(4).count_by_status()"
+  count = "${var.dd_nginx == "enabled" ? 1 : 0 }"
+
+  thresholds = {
+    ok = 1
+    warning = 2
+    critical = 4
+  }
+
+  notify_no_data      = "${var.apache_nginx_fpm_config["notify_no_data"]}"
+  evaluation_delay    = "${var.apache_nginx_fpm_config["delay"]}"
+  new_host_delay      = "${var.apache_nginx_fpm_config["delay"]}"
+  renotify_interval   = 60
+  notify_audit        = false
+  timeout_h           = 0
+  include_tags        = true
+  locked              = false
+  require_full_window = true
+  no_data_timeframe   = 20
+}

monitors_nginx.tf

@@ -0,0 +1,26 @@
+resource "datadog_monitor" "Nginx_process" {
+  name    = "[${var.env}] Nginx process is down on {{host.name}}"
+  message = "{{#is_alert}}\n${var.hno_escalation_group} \n{{/is_alert}} \n{{#is_recovery}}\n${var.hno_escalation_group}\n{{/is_recovery}}\n{{#is_warning}}\n${var.ho_escalation_group} \n{{/is_warning}} \n{{#is_warning_recovery}}\n${var.ho_escalation_group}\n{{/is_warning_recovery}}"
+
+
+  type  = "service check"
+  query = "\"process.up\".over(\"dd_monitoring:enabled\",\"dd_nginx:enabled\",\"process:nginx\",\"env:${var.env}\").by(\"host\",\"process\", \"app\").last(4).count_by_status()"
+  count = "${var.dd_nginx == "enabled" ? 1 : 0 }"
+
+  thresholds = {
+    ok = 1
+    warning = 2
+    critical = 4
+  }
+
+  notify_no_data      = "${var.apache_nginx_fpm_config["notify_no_data"]}"
+  evaluation_delay    = "${var.apache_nginx_fpm_config["delay"]}"
+  new_host_delay      = "${var.apache_nginx_fpm_config["delay"]}"
+  renotify_interval   = 60
+  notify_audit        = false
+  timeout_h           = 0
+  include_tags        = true
+  locked              = false
+  require_full_window = true
+  no_data_timeframe   = 20
+}