cloud-foundation-fabric/fast/stages/2-networking-e-nva-bgp/monitoring-vpn-onprem.tf

100 lines
3.4 KiB
HCL

/**
* Copyright 2022 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
# tfdoc:file:description VPN monitoring alerts.
resource "google_monitoring_alert_policy" "vpn_tunnel_established" {
count = (var.vpn_onprem_primary_config != null && var.alert_config.vpn_tunnel_established != null) ? 1 : 0
project = module.landing-project.project_id
display_name = "VPN Tunnel Established"
enabled = var.alert_config.vpn_tunnel_established.enabled
notification_channels = var.alert_config.vpn_tunnel_established.notification_channels
user_labels = var.alert_config.vpn_tunnel_established.user_labels
combiner = "OR"
conditions {
display_name = "VPN Tunnel Established"
condition_monitoring_query_language {
query = join("", [
"fetch vpn_gateway",
"| metric vpn.googleapis.com/tunnel_established",
"| group_by 5m, [value_tunnel_established_max: max(value.tunnel_established)]",
"| every 5m",
"| condition val() < 1 '1'",
])
duration = var.alert_config.vpn_tunnel_established.duration
trigger {
count = "1"
}
}
}
dynamic "alert_strategy" {
for_each = var.alert_config.vpn_tunnel_established.auto_close != null ? [1] : []
content {
auto_close = var.alert_config.vpn_tunnel_established.auto_close
}
}
}
# https://cloud.google.com/network-connectivity/docs/vpn/how-to/viewing-logs-metrics#define-bandwidth-alerts
resource "google_monitoring_alert_policy" "vpn_tunnel_bandwidth" {
count = (var.vpn_onprem_primary_config != null && var.alert_config.vpn_tunnel_bandwidth != null) ? 1 : 0
project = module.landing-project.project_id
display_name = "VPN Tunnel Bandwidth usage"
enabled = var.alert_config.vpn_tunnel_bandwidth.enabled
notification_channels = var.alert_config.vpn_tunnel_bandwidth.notification_channels
user_labels = var.alert_config.vpn_tunnel_bandwidth.user_labels
combiner = "OR"
conditions {
display_name = "VPN Tunnel Bandwidth usage"
condition_monitoring_query_language {
query = join("", [
"fetch vpn_gateway",
"| { metric vpn.googleapis.com/network/sent_bytes_count",
"; metric vpn.googleapis.com/network/received_bytes_count }",
"| align rate (1m)",
"| group_by [metric.tunnel_name]",
"| outer_join 0,0",
"| value val(0) + val(1)",
"| condition val() > ${var.alert_config.vpn_tunnel_bandwidth.threshold_mbys} \"MBy/s\"",
])
duration = var.alert_config.vpn_tunnel_bandwidth.duration
trigger {
count = "1"
}
}
}
dynamic "alert_strategy" {
for_each = var.alert_config.vpn_tunnel_bandwidth.auto_close != null ? [1] : []
content {
auto_close = var.alert_config.vpn_tunnel_bandwidth.auto_close
}
}
}