66 lines
2.9 KiB
Terraform
66 lines
2.9 KiB
Terraform
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locals {
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# Duration parsing map
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duration_units = {
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"s" = 1
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"m" = 60
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"h" = 3600
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"d" = 86400
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}
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# Mapping for datasources
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datasource_mapping = { for ds in var.datasources : ds.uid => ds.name }
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datasource_mapping_type = { for ds in var.datasources : ds.uid => lookup(ds, "type", "prometheus") }
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# Folder time range mapping with 1-minute default
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folder_time_ranges = {
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for uid in distinct([for group in var.groups : lookup(var.folder_uids, group.dashboard_alert_group_name, null) if group.dashboard_alert_group_name != null]) :
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uid => lookup(var.folder_time_ranges, uid, 60) # Default to 60 seconds (1 minute) if not specified
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}
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# Combine all alerts and their respective configurations
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combined_alerts = flatten([
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for group in var.groups : [
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for datasource_uid in group.alerts_on_datasources_uid :
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{
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alert_group_name = group.dashboard_alert_group_name
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folder_uid = lookup(var.folder_uids, group.dashboard_alert_group_name, null)
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datasource_name = lookup(local.datasource_mapping, datasource_uid, "unknown")
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datasource_uid = datasource_uid
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datasource_type = lookup(local.datasource_mapping_type, datasource_uid, "prometheus")
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alert_files = [
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for file_path in fileset(group.alert_definitions_path, "**/*.yaml") :
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{
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# Store full YAML content after variable substitution
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content = yamldecode(templatefile("${group.alert_definitions_path}/${file_path}", var.alert_variables))
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# Extract commonly used fields
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name = try(yamldecode(templatefile("${group.alert_definitions_path}/${file_path}", var.alert_variables)).name, null)
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alert_type = try(yamldecode(templatefile("${group.alert_definitions_path}/${file_path}", var.alert_variables)).datasource_type, "prometheus")
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editor_type = try(yamldecode(templatefile("${group.alert_definitions_path}/${file_path}", var.alert_variables)).editor_type, null)
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mode = try(yamldecode(templatefile("${group.alert_definitions_path}/${file_path}", var.alert_variables)).mode, "single")
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# File metadata
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alert_file_path = "${group.alert_definitions_path}/${file_path}"
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alert_category = split("/", file_path)[0]
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}
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if can(group.alert_definitions_path) &&
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group.alert_definitions_path != null &&
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(try(trimspace(group.alert_definitions_path), "") != "")
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]
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}
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]
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])
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# Group alerts by datasource
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grouped_alerts_by_datasource = {
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for alert in local.combined_alerts :
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"${alert.datasource_name} (${alert.alert_group_name})" => merge(alert, {
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alert_files = flatten([
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for a in local.combined_alerts :
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a.alert_files if a.datasource_name == alert.datasource_name && a.alert_group_name == alert.alert_group_name
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])
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})
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}
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}
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