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MON-499 HTTP monitors now in two modules: webcheck and ssl. Critical threshold for SSL and TLS monitors on metric are now 15 days.

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This commit is contained in:
Rafael Romero Carmona 2019-08-30 11:16:51 +01:00
parent 00e2104623
commit ac5b9e3262
14 changed files with 207 additions and 119 deletions
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2
README.md
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@ -203,6 +203,8 @@ The `//` is very important, it's a terraform specific syntax used to separate gi
- [network](https://git.fr.clara.net/claranet/pt-monitoring/projects/datadog/terraform/monitors/tree/master/network/)
- [dns](https://git.fr.clara.net/claranet/pt-monitoring/projects/datadog/terraform/monitors/tree/master/network/dns/)
- [http](https://git.fr.clara.net/claranet/pt-monitoring/projects/datadog/terraform/monitors/tree/master/network/http/)
- [ssl](https://git.fr.clara.net/claranet/pt-monitoring/projects/datadog/terraform/monitors/tree/master/network/http/ssl/)
- [webcheck](https://git.fr.clara.net/claranet/pt-monitoring/projects/datadog/terraform/monitors/tree/master/network/http/webcheck/)
- [tls](https://git.fr.clara.net/claranet/pt-monitoring/projects/datadog/terraform/monitors/tree/master/network/tls/)
- [saas](https://git.fr.clara.net/claranet/pt-monitoring/projects/datadog/terraform/monitors/tree/master/saas/)
- [new-relic](https://git.fr.clara.net/claranet/pt-monitoring/projects/datadog/terraform/monitors/tree/master/saas/new-relic/)

19
network/http/README.md → network/http/ssl/README.md
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@ -1,10 +1,10 @@
# NETWORK HTTP DataDog monitors
# NETWORK HTTP SSL DataDog monitors
## How to use this module
```
module "datadog-monitors-network-http" {
source = "git::ssh://git@git.fr.clara.net/claranet/pt-monitoring/projects/datadog/terraform/monitors.git//network/http?ref={revision}"
module "datadog-monitors-network-http-ssl" {
source = "git::ssh://git@git.fr.clara.net/claranet/pt-monitoring/projects/datadog/terraform/monitors.git//network/http/ssl?ref={revision}"
environment = var.environment
message = module.datadog-message-alerting.alerting-message
@ -16,7 +16,6 @@ module "datadog-monitors-network-http" {
Creates DataDog monitors with the following checks:
- HTTP cannot connect
- SSL certificate expiration (disabled by default)
- SSL invalid certificate
@ -24,18 +23,10 @@ Creates DataDog monitors with the following checks:
| Name | Description | Type | Default | Required |
|------|-------------|:----:|:-----:|:-----:|
| cannot\_connect\_enabled | Flag to enable HTTP cannot connect monitor | string | `"true"` | no |
| cannot\_connect\_extra\_tags | Extra tags for HTTP cannot connect monitor | list(string) | `[]` | no |
| cannot\_connect\_last | Parameter 'last' for the service check | string | `"6"` | no |
| cannot\_connect\_message | Custom message for HTTP cannot connect monitor | string | `""` | no |
| cannot\_connect\_no\_data\_timeframe | HTTP cannot connect monitor no data timeframe | string | `"10"` | no |
| cannot\_connect\_threshold\_critical | HTTP cannot connect monitor (warning threshold) | string | `"3"` | no |
| cannot\_connect\_threshold\_ok | HTTP cannot connect monitor (ok threshold) | string | `"3"` | no |
| cannot\_connect\_threshold\_warning | HTTP cannot connect monitor (warning threshold) | string | `"2"` | no |
| certificate\_expiration\_date\_enabled | Flag to enable Certificate Expiration Date monitor | string | `"false"` | no |
| certificate\_expiration\_date\_extra\_tags | Extra tags for Certificate Expiration Date monitor | list(string) | `[]` | no |
| certificate\_expiration\_date\_message | Custom message for the Certificate Expiration Date monitor | string | `""` | no |
| certificate\_expiration\_date\_threshold\_critical | Certificate Expiration Date critical threshold | string | `"8"` | no |
| certificate\_expiration\_date\_threshold\_critical | Certificate Expiration Date critical threshold | string | `"15"` | no |
| certificate\_expiration\_date\_threshold\_warning | Certificate Expiration Date warning threshold | string | `"30"` | no |
| certificate\_expiration\_date\_time\_aggregator | Time aggregator for the Certificate Expiration Date monitor | string | `"max"` | no |
| certificate\_expiration\_date\_timeframe | Timeframe for the Certificate Expiration Date monitor | string | `"last_5m"` | no |
@ -59,10 +50,8 @@ Creates DataDog monitors with the following checks:
| Name | Description |
|------|-------------|
| cannot\_connect\_id | id for monitor cannot_connect |
| certificate\_expiration\_date\_id | id for monitor certificate_expiration_date |
| invalid\_ssl\_certificate\_id | id for monitor invalid_ssl_certificate |
## Related documentation
- [Datadog HTTP integration](https://docs.datadoghq.com/integrations/http_check/)

55
network/http/inputs.tf → network/http/ssl/inputs.tf
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@ -39,57 +39,6 @@ variable "filter_tags_custom_excluded" {
default = ""
}
#
# HTTP Cannot Connect
#
variable "cannot_connect_enabled" {
description = "Flag to enable HTTP cannot connect monitor"
type = string
default = "true"
}
variable "cannot_connect_message" {
description = "Custom message for HTTP cannot connect monitor"
type = string
default = ""
}
variable "cannot_connect_last" {
description = "Parameter 'last' for the service check"
type = string
default = 6
}
variable "cannot_connect_threshold_warning" {
description = "HTTP cannot connect monitor (warning threshold)"
type = string
default = 2
}
variable "cannot_connect_threshold_critical" {
description = "HTTP cannot connect monitor (warning threshold)"
type = string
default = 3
}
variable "cannot_connect_threshold_ok" {
description = "HTTP cannot connect monitor (ok threshold)"
type = string
default = 3
}
variable "cannot_connect_no_data_timeframe" {
description = "HTTP cannot connect monitor no data timeframe"
type = string
default = 10
}
variable "cannot_connect_extra_tags" {
description = "Extra tags for HTTP cannot connect monitor"
type = list(string)
default = []
}
#
# SSL invalid certificate
#
@ -171,11 +120,11 @@ variable "certificate_expiration_date_threshold_warning" {
variable "certificate_expiration_date_threshold_critical" {
description = "Certificate Expiration Date critical threshold"
type = string
default = 8
default = 15
}
variable "certificate_expiration_date_extra_tags" {
description = "Extra tags for Certificate Expiration Date monitor"
type = list(string)
default = []
}
}

0
network/http/modules.tf → network/http/ssl/modules.tf
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36
network/http/monitors-http.tf → network/http/ssl/monitors-ssl.tf
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@ -1,39 +1,3 @@
#
# HTTP Cannot Connect
#
resource "datadog_monitor" "cannot_connect" {
count = var.cannot_connect_enabled == "true" ? 1 : 0
name = "${var.prefix_slug == "" ? "" : "[${var.prefix_slug}]"}[${var.environment}] HTTP cannot connect"
message = coalesce(var.cannot_connect_message, var.message)
type = "service check"
query = <<EOQ
"http.can_connect"${module.filter-tags.service_check}.by("instance","url").last(${var.cannot_connect_last}).count_by_status()
EOQ
thresholds = {
warning = var.cannot_connect_threshold_warning
critical = var.cannot_connect_threshold_critical
ok = var.cannot_connect_threshold_ok
}
new_host_delay = var.new_host_delay
no_data_timeframe = var.cannot_connect_no_data_timeframe
notify_no_data = true
notify_audit = false
locked = false
timeout_h = 0
include_tags = true
require_full_window = true
renotify_interval = 0
tags = concat(["env:${var.environment}", "type:network", "provider:http_check", "resource:webcheck", "team:claranet", "created-by:terraform"], var.cannot_connect_extra_tags)
lifecycle {
ignore_changes = ["silenced"]
}
}
#
# Invalid SSL Certificate
#

11
network/http/outputs.tf → network/http/ssl/outputs.tf
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@ -1,6 +1,6 @@
output "cannot_connect_id" {
description = "id for monitor cannot_connect"
value = datadog_monitor.cannot_connect.*.id
output "certificate_expiration_date_id" {
description = "id for monitor certificate_expiration_date"
value = datadog_monitor.certificate_expiration_date.*.id
}
output "invalid_ssl_certificate_id" {
@ -8,8 +8,3 @@ output "invalid_ssl_certificate_id" {
value = datadog_monitor.invalid_ssl_certificate.*.id
}
output "certificate_expiration_date_id" {
description = "id for monitor certificate_expiration_date"
value = datadog_monitor.certificate_expiration_date.*.id
}

49
network/http/webcheck/README.md Normal file
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@ -0,0 +1,49 @@
# NETWORK HTTP WEBCHECK DataDog monitors
## How to use this module
```
module "datadog-monitors-network-http-webcheck" {
source = "git::ssh://git@git.fr.clara.net/claranet/pt-monitoring/projects/datadog/terraform/monitors.git//network/http/webcheck?ref={revision}"
environment = var.environment
message = module.datadog-message-alerting.alerting-message
}
```
## Purpose
Creates DataDog monitors with the following checks:
- HTTP cannot connect
## Inputs
| Name | Description | Type | Default | Required |
|------|-------------|:----:|:-----:|:-----:|
| cannot\_connect\_enabled | Flag to enable HTTP cannot connect monitor | string | `"true"` | no |
| cannot\_connect\_extra\_tags | Extra tags for HTTP cannot connect monitor | list(string) | `[]` | no |
| cannot\_connect\_last | Parameter 'last' for the service check | string | `"6"` | no |
| cannot\_connect\_message | Custom message for HTTP cannot connect monitor | string | `""` | no |
| cannot\_connect\_no\_data\_timeframe | HTTP cannot connect monitor no data timeframe | string | `"10"` | no |
| cannot\_connect\_threshold\_critical | HTTP cannot connect monitor (warning threshold) | string | `"3"` | no |
| cannot\_connect\_threshold\_ok | HTTP cannot connect monitor (ok threshold) | string | `"3"` | no |
| cannot\_connect\_threshold\_warning | HTTP cannot connect monitor (warning threshold) | string | `"2"` | no |
| environment | Architecture Environment | string | n/a | yes |
| evaluation\_delay | Delay in seconds for the metric evaluation | string | `"15"` | no |
| filter\_tags\_custom | Tags used for custom filtering when filter_tags_use_defaults is false | string | `"*"` | no |
| filter\_tags\_custom\_excluded | Tags excluded for custom filtering when filter_tags_use_defaults is false | string | `""` | no |
| filter\_tags\_use\_defaults | Use default filter tags convention | string | `"true"` | no |
| message | Message sent when an alert is triggered | string | n/a | yes |
| new\_host\_delay | Delay in seconds before monitor new resource | string | `"300"` | no |
| prefix\_slug | Prefix string to prepend between brackets on every monitors names | string | `""` | no |
## Outputs
| Name | Description |
|------|-------------|
| cannot\_connect\_id | id for monitor cannot_connect |
## Related documentation

91
network/http/webcheck/inputs.tf Normal file
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@ -0,0 +1,91 @@
# Global Terraform
variable "environment" {
description = "Architecture Environment"
type = string
}
# Global DataDog
variable "evaluation_delay" {
description = "Delay in seconds for the metric evaluation"
default = 15
}
variable "new_host_delay" {
description = "Delay in seconds before monitor new resource"
default = 300
}
variable "prefix_slug" {
description = "Prefix string to prepend between brackets on every monitors names"
default = ""
}
variable "message" {
description = "Message sent when an alert is triggered"
}
variable "filter_tags_use_defaults" {
description = "Use default filter tags convention"
default = "true"
}
variable "filter_tags_custom" {
description = "Tags used for custom filtering when filter_tags_use_defaults is false"
default = "*"
}
variable "filter_tags_custom_excluded" {
description = "Tags excluded for custom filtering when filter_tags_use_defaults is false"
default = ""
}
#
# HTTP Cannot Connect
#
variable "cannot_connect_enabled" {
description = "Flag to enable HTTP cannot connect monitor"
type = string
default = "true"
}
variable "cannot_connect_message" {
description = "Custom message for HTTP cannot connect monitor"
type = string
default = ""
}
variable "cannot_connect_last" {
description = "Parameter 'last' for the service check"
type = string
default = 6
}
variable "cannot_connect_threshold_warning" {
description = "HTTP cannot connect monitor (warning threshold)"
type = string
default = 2
}
variable "cannot_connect_threshold_critical" {
description = "HTTP cannot connect monitor (warning threshold)"
type = string
default = 3
}
variable "cannot_connect_threshold_ok" {
description = "HTTP cannot connect monitor (ok threshold)"
type = string
default = 3
}
variable "cannot_connect_no_data_timeframe" {
description = "HTTP cannot connect monitor no data timeframe"
type = string
default = 10
}
variable "cannot_connect_extra_tags" {
description = "Extra tags for HTTP cannot connect monitor"
type = list(string)
default = []
}

9
network/http/webcheck/modules.tf Normal file
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@ -0,0 +1,9 @@
module "filter-tags" {
source = "../../common/filter-tags"
environment = var.environment
resource = "http"
filter_tags_use_defaults = var.filter_tags_use_defaults
filter_tags_custom = var.filter_tags_custom
filter_tags_custom_excluded = var.filter_tags_custom_excluded
}

35
network/http/webcheck/monitors-webcheck.tf Normal file
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@ -0,0 +1,35 @@
#
# HTTP Cannot Connect
#
resource "datadog_monitor" "cannot_connect" {
count = var.cannot_connect_enabled == "true" ? 1 : 0
name = "${var.prefix_slug == "" ? "" : "[${var.prefix_slug}]"}[${var.environment}] HTTP cannot connect"
message = coalesce(var.cannot_connect_message, var.message)
type = "service check"
query = <<EOQ
"http.can_connect"${module.filter-tags.service_check}.by("instance","url").last(${var.cannot_connect_last}).count_by_status()
EOQ
thresholds = {
warning = var.cannot_connect_threshold_warning
critical = var.cannot_connect_threshold_critical
ok = var.cannot_connect_threshold_ok
}
new_host_delay = var.new_host_delay
no_data_timeframe = var.cannot_connect_no_data_timeframe
notify_no_data = true
notify_audit = false
locked = false
timeout_h = 0
include_tags = true
require_full_window = true
renotify_interval = 0
tags = concat(["env:${var.environment}", "type:network", "provider:http_check", "resource:webcheck", "team:claranet", "created-by:terraform"], var.cannot_connect_extra_tags)
lifecycle {
ignore_changes = ["silenced"]
}
}

5
network/http/webcheck/outputs.tf Normal file
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@ -0,0 +1,5 @@
output "cannot_connect_id" {
description = "id for monitor cannot_connect"
value = datadog_monitor.cannot_connect.*.id
}

2
network/tls/README.md
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@ -36,7 +36,7 @@ Creates DataDog monitors with the following checks:
| certificate\_expiration\_date\_enabled | Flag to enable Certificate Expiration Date monitor | string | `"false"` | no |
| certificate\_expiration\_date\_extra\_tags | Extra tags for Certificate Expiration Date monitor | list(string) | `[]` | no |
| certificate\_expiration\_date\_message | Custom message for the Certificate Expiration Date monitor | string | `""` | no |
| certificate\_expiration\_date\_threshold\_critical | Container Memory Usage critical threshold | string | `"8"` | no |
| certificate\_expiration\_date\_threshold\_critical | Container Memory Usage critical threshold | string | `"15"` | no |
| certificate\_expiration\_date\_threshold\_warning | Container Memory Usage warning threshold | string | `"30"` | no |
| certificate\_expiration\_date\_time\_aggregator | Time aggregator for the Certificate Expiration Date monitor | string | `"max"` | no |
| certificate\_expiration\_date\_timeframe | Timeframe for the Certificate Expiration Date monitor | string | `"last_5m"` | no |

2
network/tls/inputs.tf
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@ -216,7 +216,7 @@ variable "certificate_expiration_date_threshold_warning" {
variable "certificate_expiration_date_threshold_critical" {
description = "Container Memory Usage critical threshold"
type = string
default = 8
default = 15
}
variable "certificate_expiration_date_extra_tags" {

10
network/tls/outputs.tf
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@ -3,6 +3,11 @@ output "cannot_connect_id" {
value = datadog_monitor.cannot_connect.*.id
}
output "certificate_expiration_date_id" {
description = "id for monitor certificate_expiration_date"
value = datadog_monitor.certificate_expiration_date.*.id
}
output "invalid_tls_certificate_id" {
description = "id for monitor invalid_tls_certificate"
value = datadog_monitor.invalid_tls_certificate.*.id
@ -13,8 +18,3 @@ output "tls_certificate_expiration_id" {
value = datadog_monitor.tls_certificate_expiration.*.id
}
output "certificate_expiration_date_id" {
description = "id for monitor certificate_expiration_date"
value = datadog_monitor.certificate_expiration_date.*.id
}