Add Kubelet /etc/iscsi and iscsiadm mounts on bare-metal

* Allow using iSCSI with Container Linux bare-metal clusters
* Warning, iSCSI isn't part of Kubernetes conformance and isn't
regularly evaluated

CHANGES.md

@@ -26,6 +26,10 @@ Notable changes between versions.
   * Fix issue where Azure defaults to `Deallocate` eviction policy, which required manually restarting deallocated instances. `Delete` policy aligns Azure with AWS and GCP behavior.
   * Require `terraform-provider-azurerm` v1.19+ (action required)
 
+#### Bare-Metal
+
+* Add Kubelet `/etc/iscsi` and `iscsadm` mounts on bare-metal for iSCSI ([#103](https://github.com/poseidon/typhoon/pull/103))
+
 #### Addons
 
 * Update nginx-ingress from v0.20.0 to v0.21.0

bare-metal/container-linux/kubernetes/cl/controller.yaml.tmpl

@@ -70,6 +70,10 @@ systemd:
           --mount volume=opt-cni-bin,target=/opt/cni/bin \
           --volume var-log,kind=host,source=/var/log \
           --mount volume=var-log,target=/var/log \
+          --volume iscsiconf,kind=host,source=/etc/iscsi/ \
+          --mount volume=iscsiconf,target=/etc/iscsi/ \
+          --volume iscsiadm,kind=host,source=/usr/sbin/iscsiadm \
+          --mount volume=iscsiadm,target=/sbin/iscsiadm \
           --insecure-options=image"
         ExecStartPre=/bin/mkdir -p /opt/cni/bin
         ExecStartPre=/bin/mkdir -p /etc/kubernetes/manifests

bare-metal/container-linux/kubernetes/cl/worker.yaml.tmpl

@@ -45,6 +45,10 @@ systemd:
           --mount volume=opt-cni-bin,target=/opt/cni/bin \
           --volume var-log,kind=host,source=/var/log \
           --mount volume=var-log,target=/var/log \
+          --volume iscsiconf,kind=host,source=/etc/iscsi/ \
+          --mount volume=iscsiconf,target=/etc/iscsi/ \
+          --volume iscsiadm,kind=host,source=/usr/sbin/iscsiadm \
+          --mount volume=iscsiadm,target=/sbin/iscsiadm \
           --insecure-options=image"
         ExecStartPre=/bin/mkdir -p /opt/cni/bin
         ExecStartPre=/bin/mkdir -p /etc/kubernetes/manifests