53 lines
1.6 KiB
HCL
53 lines
1.6 KiB
HCL
locals {
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begin-core = <<-EOF
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.:53 {
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errors {
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consolidate 5m ".* i/o timeout$" warning
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consolidate 30s "^Failed to .+"
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}
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health {
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lameduck 5s
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}
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ready
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EOF
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end-core = <<-EOF
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}
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EOF
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soa-ns = <<-EOF
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@ IN SOA ${var.sub-domain}.${var.domain-name}. ${var.domain-name}. (
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${formatdate("YYYYMMDDhh",timestamp())} ; Serial
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4H ; Refresh
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1H ; Retry
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7D ; Expire
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4H ) ; Negative Cache TTL
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@ IN NS ${var.sub-domain}.${var.domain-name}.
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EOF
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files = merge({
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"Corefile" = join("", concat([local.begin-core],[for z in var.zones: format("file /etc/coredns/%s.db %s", z.name,z.name)],[local.end-core]))
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},[for z in var.zones: {
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"${z.name}" = join("\n", concat([
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"$TTL 60",
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"$ORIGIN ${z["name"]}.",
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local.soa-ns
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],
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[for k,v in z["hosts"]: format("%s IN A %s", k, v)],
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[for k,v in z["hosts6"]: format("%s IN AAAA %s", k, v)],
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[for k,v in z["alias"]: format("%s IN CNAME %s", k, v)],
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z["wildcard"]!=""?[format("*.%s. IN A %s", z.name, z.wildcard)]:[],
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z["wildcard6"]!=""?[format("*.%s. IN AAAA %s", z.namz, z.wildcard6)]:[],
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))
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}]...)
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}
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resource "kubectl_manifest" "coredns-config" {
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yaml_body = <<-EOF
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: "${var.component}-${var.instance}"
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namespace: "${var.namespace}"
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labels: ${jsonencode(local.common-labels)}
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data: ${jsonencode(local.files)}
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EOF
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}
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