open-nomad/demo/csi/ceph-csi-plugin/ceph-csi-id.tf

34 lines
1.5 KiB
HCL

locals {
# ClusterID: Is a unique ID per cluster that the CSI instance is serving and is restricted to
# lengths that can be accommodated in the encoding scheme.
# must be less than 128 chars. must match the cluster id in the csi plugin conf.
ClusterID = "<clusterid>"
# EncodingVersion: Carries the version number of the encoding scheme used to encode the CSI ID,
# and is preserved for any future proofing w.r.t changes in the encoding scheme, and to retain
# ability to parse backward compatible encodings.
# https://github.com/ceph/ceph-csi/blob/ef1785ce4db0aa1f6878c770893bcabc71cff300/internal/cephfs/driver.go#L31
EncodingVersion = 1
# LocationID: 64 bit integer identifier determining the location of the volume on the Ceph cluster.
# It is the ID of the poolname or fsname, for RBD or CephFS backed volumes respectively.
# see https://docs.ceph.com/docs/mimic/rbd/rados-rbd-cmds/
LocationID = 7
# ObjectUUID: Is the on-disk uuid of the object (image/snapshot) name, for the CSI volume that
# corresponds to this CSI ID.. must be 36 chars long.
ObjectUUID = "abcd"
}
data "template_file" "csi_id" {
template = "$${versionEncodedHex}-$${clusterIDLength}-$${ciClusterID}-$${poolIDEncodedHex}-$${ciObjectUUID}"
vars = {
versionEncodedHex = "${format("%02X", local.EncodingVersion)}"
clusterIDLength = "${format("%02X", length(local.ClusterID))}"
ciClusterID = "${local.ClusterID}"
poolIDEncodedHex = "${format("%016X", local.LocationID)}"
ciObjectUUID = "${local.ObjectUUID}"
}
}