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MON-91 - Update query monitor

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This commit is contained in:
Alexandre Gaillet 2018-02-20 11:30:58 +01:00
parent e94ae0dcb7
commit 14954200f0
3 changed files with 18 additions and 31 deletions
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6
cloud/aws/vpn/README.md
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@ -26,8 +26,6 @@ Inputs
|------|-------------|:----:|:-----:|:-----:| |------|-------------|:----:|:-----:|:-----:|
| environment | Architecture Environment | string | - | yes | | environment | Architecture Environment | string | - | yes |
| evaluation_delay | Delay in seconds for the metric evaluation | string | `600` | no | | evaluation_delay | Delay in seconds for the metric evaluation | string | `600` | no |
| filter_tags_custom | Tags used 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 | - | yes | | message | Message sent when an alert is triggered | string | - | yes |
| vpn_status_critical | Both tunnels are down | string | `0` | no |
| vpn_status_ok | Both tunnels are up, everything is ok | string | `2` | no |
| vpn_status_warning | Only one tunnel is up | string | `1` | no |
| vpn_tunnel_address | List the VPN tunnels you want to monitor | list | `<list>` | no |

24
cloud/aws/vpn/inputs.tf
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@ -14,24 +14,12 @@ variable "message" {
description = "Message sent when an alert is triggered" description = "Message sent when an alert is triggered"
} }
# AWS VPN Service specific variable "filter_tags_use_defaults" {
variable "vpn_tunnel_address" { description = "Use default filter tags convention"
description = "List the VPN tunnels you want to monitor" default = "true"
type = "list"
default = []
} }
variable "vpn_status_ok" { variable "filter_tags_custom" {
description = "Both tunnels are up, everything is ok" description = "Tags used for custom filtering when filter_tags_use_defaults is false"
default = 2 default = "*"
}
variable "vpn_status_warning" {
description = "Only one tunnel is up"
default = 1
}
variable "vpn_status_critical" {
description = "Both tunnels are down"
default = 0
} }

19
cloud/aws/vpn/monitors-vpn.tf
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@ -1,22 +1,23 @@
data "template_file" "filter" {
template = "$${filter}"
vars {
filter = "${var.filter_tags_use_defaults == "true" ? format("dd_monitoring:enabled,dd_aws_elb:enabled,env:%s", var.environment) : "${var.filter_tags_custom}"}"
}
}
resource "datadog_monitor" "VPN_status" { resource "datadog_monitor" "VPN_status" {
name = "[${var.environment}] VPN Down {{ tunnelipaddress }}" name = "[${var.environment}] VPN Down {{ tunnelipaddress }}"
message = "${var.message}" message = "${var.message}"
query = <<EOF query = <<EOF
avg(last_5m): ( avg(last_5m): (
avg:aws.vpn.tunnel_state{tunnelipaddress:${var.vpn_tunnel_address[0]}} by {region,name} avg:aws.vpn.tunnel_state{${data.template_file.filter.rendered}} by {region,name}
+ avg:aws.vpn.tunnel_state{tunnelipaddress:${var.vpn_tunnel_address[1]}} by {region,name} ) < 1
) == ${var.vpn_status_critical}
EOF EOF
type = "metric alert" type = "metric alert"
thresholds {
ok = "${var.vpn_status_ok}"
warning = "${var.vpn_status_warning}"
critical = "${var.vpn_status_critical}"
}
notify_no_data = true notify_no_data = true
renotify_interval = 0 renotify_interval = 0
evaluation_delay = "${var.evaluation_delay}" evaluation_delay = "${var.evaluation_delay}"