CSI hostpath quick test

plugin.nomad

job "csi-plugin" {
  datacenters = ["dc1"]

  group "csi" {
    task "plugin" {
      driver = "docker"

      config {
        image = "quay.io/k8scsi/hostpathplugin:v1.2.0"

        args = [
          "--drivername=csi-hostpath",
          "--v=5",
          "--endpoint=unix://csi/csi.sock",
          "--nodeid=foo",
        ]

        privileged = true
      }

      csi_plugin {
        id        = "hostpath-plugin0"
        type      = "monolith"
        mount_dir = "/csi"
      }

      resources {
        cpu    = 500
        memory = 256

        network {
          mbits = 10
          port  "plugin"{}
        }
      }
    }
  }
}

test.sh

#!/bin/bash

# create the volume in the "external provider"

PLUGIN_ID=hostpath-plugin0
VOLUME_NAME=test-volume0

# non-dev mode
# CSI_ENDPOINT="/var/nomad/client/csi/monolith/$PLUGIN_ID/csi.sock"

# dev mode path is going to be in a tempdir
PLUGIN_DOCKER_ID=$(docker ps | grep hostpath | awk -F' +' '{print $1}')
CSI_ENDPOINT=$(docker inspect $PLUGIN_DOCKER_ID | jq -r '.[0].Mounts[] | select(.Destination == "/csi") | .Source')/csi.sock

echo "creating volume..."
UUID=$(sudo csc --endpoint $CSI_ENDPOINT controller create-volume $VOLUME_NAME --cap 1,2,ext4 | grep -o '".*"' | tr -d '"')

echo "registering volume $UUID..."

echo $(printf 'id = "%s"
name = "%s"
type = "csi"
external_id = "%s"
plugin_id = "%s"
access_mode = "single-node-writer"
attachment_mode = "file-system"' $VOLUME_NAME $VOLUME_NAME $UUID $PLUGIN_ID) > volume.hcl

nomad volume register volume.hcl

echo "querying volume $UUID..."
nomad volume status $UUID