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variable "cluster_id" {
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type = string
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2021-04-29 19:25:24 +00:00
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# generated from uuid5(dns) with ceph.example.com as the seed
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default = "e9ba69fa-67ff-5920-b374-84d5801edd19"
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description = "cluster ID for the Ceph monitor"
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}
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job "plugin-cephrbd-controller" {
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datacenters = ["dc1", "dc2"]
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constraint {
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attribute = "${attr.kernel.name}"
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value = "linux"
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}
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type = "service"
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group "cephrbd" {
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network {
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port "prometheus" {}
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}
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service {
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name = "prometheus"
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port = "prometheus"
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tags = ["ceph-csi"]
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}
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task "plugin" {
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driver = "docker"
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config {
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image = "quay.io/cephcsi/cephcsi:canary"
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args = [
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"--drivername=rbd.csi.ceph.com",
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"--v=5",
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"--type=rbd",
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"--controllerserver=true",
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"--nodeid=${NODE_ID}",
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"--instanceid=${POD_ID}",
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"--endpoint=${CSI_ENDPOINT}",
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"--metricsport=${NOMAD_PORT_prometheus}",
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]
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ports = ["prometheus"]
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# we need to be able to write key material to disk in this location
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mount {
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type = "bind"
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source = "secrets"
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target = "/tmp/csi/keys"
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readonly = false
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}
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mount {
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type = "bind"
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source = "ceph-csi-config/config.json"
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target = "/etc/ceph-csi-config/config.json"
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readonly = false
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}
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}
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template {
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data = <<-EOT
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POD_ID=${NOMAD_ALLOC_ID}
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NODE_ID=${node.unique.id}
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CSI_ENDPOINT=unix://csi/csi.sock
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EOT
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destination = "${NOMAD_TASK_DIR}/env"
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env = true
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}
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# ceph configuration file
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template {
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data = <<EOF
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[{
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"clusterID": "${var.cluster_id}",
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"monitors": [
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{{range $index, $service := service "ceph-mon"}}{{if gt $index 0}}, {{end}}"{{.Address}}"{{end}}
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]
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}]
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EOF
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destination = "ceph-csi-config/config.json"
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}
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csi_plugin {
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id = "cephrbd"
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type = "controller"
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mount_dir = "/csi"
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}
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# note: there's no upstream guidance on resource usage so
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# this is a best guess until we profile it in heavy use
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resources {
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cpu = 256
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memory = 256
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}
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}
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}
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}
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