82 lines
1.8 KiB
Smarty
82 lines
1.8 KiB
Smarty
#!/bin/bash
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set -x
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# Path where the host's cloud-init data is mounted
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# to source the maas system_id
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HOST_MOUNT_PATH=${HOST_MOUNT_PATH:-"/host_cloud-init/"}
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unregister_maas_rack() {
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sys_id="$1"
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echo "Deregister this pod as MAAS rack controller ${sys_id}."
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maas login local "$MAAS_ENDPOINT" "$MAAS_API_KEY"
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maas local rack-controller delete "$sys_id"
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rm -f ~maas/maas_id
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rm -f ~maas/secret
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}
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register_maas_rack() {
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sys_id=${1:-""}
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echo "register-rack-controller URL: ${MAAS_ENDPOINT}"
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if [[ ! -z "$sys_id" ]]
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then
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echo "Using provided system id ${sys_id}."
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echo "$sys_id" > ~maas/maas_id
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fi
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# register forever
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while [ 1 ];
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do
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if maas-rack register --url=${MAAS_ENDPOINT} --secret="${MAAS_REGION_SECRET}";
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then
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echo "Successfully registered with MaaS Region Controller"
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break
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else
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echo "Unable to register with ${MAAS_ENDPOINT}... will try again"
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sleep 30
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fi;
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done;
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}
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get_host_identity() {
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# Check if the underlying host was deployed by MAAS
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if [[ -r "${HOST_MOUNT_PATH}/instance-data.json" ]]
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then
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grep -E 'instance-id' "${HOST_MOUNT_PATH}/instance-data.json" | head -1 | tr -d ' ",' | cut -d: -f 2
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else
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echo ""
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fi
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}
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get_pod_identity() {
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if [[ -r ~maas/maas_id ]]
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then
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cat ~maas/maas_id
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else
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echo ""
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fi
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}
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HOST_SYSTEM_ID=$(get_host_identity)
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POD_SYSTEM_ID=$(get_pod_identity)
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# This Pod state already has a MAAS identity
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if [[ ! -z "$POD_SYSTEM_ID" ]]
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then
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# If the pod maas identity doesn't match the
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# host maas identity, unregister the pod identity
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# as a rack controller
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if [[ "$HOST_SYSTEM_ID" != "$POD_SYSTEM_ID" ]]
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then
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unregister_maas_rack "$POD_SYSTEM_ID"
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register_maas_rack "$HOST_SYTEM_ID"
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else
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echo "Found existing maas_id, assuming already registered."
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fi
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exit 0
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else
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register_maas_rack
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fi
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