65 lines
1.8 KiB
Bash
65 lines
1.8 KiB
Bash
#!/bin/bash
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#
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# Generates a inventory file based on the terraform output.
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# After provisioning a cluster, simply run this command and supply the terraform state file
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# Default state file is terraform.tfstate
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#
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set -e
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TF_OUT=$(terraform output -json)
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CONTROL_PLANES=$(jq -r '.kubernetes_cluster.value.control_plane_info | to_entries[]' <(echo "${TF_OUT}"))
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WORKERS=$(jq -r '.kubernetes_cluster.value.worker_info | to_entries[]' <(echo "${TF_OUT}"))
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mapfile -t CONTROL_PLANE_NAMES < <(jq -r '.key' <(echo "${CONTROL_PLANES}"))
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mapfile -t WORKER_NAMES < <(jq -r '.key' <(echo "${WORKERS}"))
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API_LB=$(jq -r '.kubernetes_cluster.value.control_plane_lb' <(echo "${TF_OUT}"))
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echo "[all]"
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# Generate control plane hosts
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i=1
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for name in "${CONTROL_PLANE_NAMES[@]}"; do
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private_ip=$(jq -r '. | select( .key=='"\"${name}\""' ) | .value.private_ip' <(echo "${CONTROL_PLANES}"))
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echo "${name} ansible_user=root ansible_host=${private_ip} access_ip=${private_ip} ip=${private_ip} etcd_member_name=etcd${i}"
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i=$(( i + 1 ))
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done
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# Generate worker hosts
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for name in "${WORKER_NAMES[@]}"; do
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private_ip=$(jq -r '. | select( .key=='"\"${name}\""' ) | .value.private_ip' <(echo "${WORKERS}"))
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echo "${name} ansible_user=root ansible_host=${private_ip} access_ip=${private_ip} ip=${private_ip}"
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done
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API_LB=$(jq -r '.kubernetes_cluster.value.control_plane_lb' <(echo "${TF_OUT}"))
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echo ""
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echo "[all:vars]"
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echo "upstream_dns_servers=['8.8.8.8','8.8.4.4']"
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echo "loadbalancer_apiserver={'address':'${API_LB}','port':'6443'}"
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echo ""
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echo "[kube_control_plane]"
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for name in "${CONTROL_PLANE_NAMES[@]}"; do
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echo "${name}"
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done
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echo ""
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echo "[etcd]"
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for name in "${CONTROL_PLANE_NAMES[@]}"; do
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echo "${name}"
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done
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echo ""
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echo "[kube_node]"
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for name in "${WORKER_NAMES[@]}"; do
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echo "${name}"
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done
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echo ""
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echo "[k8s_cluster:children]"
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echo "kube_control_plane"
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echo "kube_node"
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