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Add optional cluster_domain_suffix variable

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* Allow kube-dns to respond to DNS queries with a custom
suffix, instead of the default 'cluster.local'
* Useful when multiple clusters exist on the same local
network and wish to query services on one another
This commit is contained in:
Barak Michener
2017-12-09 13:36:59 -08:00
committed by Dalton Hubble
parent 495e33e213
commit e79088baa0
33 changed files with 119 additions and 57 deletions
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5
digital-ocean/container-linux/kubernetes/controllers.tf
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@ -69,8 +69,9 @@ data "template_file" "controller_config" {
etcd_domain = "${var.cluster_name}-etcd${count.index}.${var.dns_zone}"
# etcd0=https://cluster-etcd0.example.com,etcd1=https://cluster-etcd1.example.com,...
etcd_initial_cluster = "${join(",", formatlist("%s=https://%s:2380", null_resource.repeat.*.triggers.name, null_resource.repeat.*.triggers.domain))}"
k8s_dns_service_ip = "${cidrhost(var.service_cidr, 10)}"
etcd_initial_cluster = "${join(",", formatlist("%s=https://%s:2380", null_resource.repeat.*.triggers.name, null_resource.repeat.*.triggers.domain))}"
k8s_dns_service_ip = "${cidrhost(var.service_cidr, 10)}"
cluster_domain_suffix = "${var.cluster_domain_suffix}"
}
}