Fix markdownlint failures under ./roles/ (#7089)

This fixes markdownlint failures under roles/

roles/kubernetes-apps/external_provisioner/cephfs_provisioner/README.md

@@ -23,11 +23,11 @@ make push
 Test instruction
 ----------------
 
--   Start Kubernetes local cluster
+- Start Kubernetes local cluster
 
-See <a href="https://kubernetes.io/" class="uri" class="uri">https://kubernetes.io/</a>.
+See [Kubernetes](https://kubernetes.io/)
 
--   Create a Ceph admin secret
+- Create a Ceph admin secret
 
 ``` bash
 ceph auth get client.admin 2>&1 |grep "key = " |awk '{print  $3'} |xargs echo -n > /tmp/secret
@@ -35,7 +35,7 @@ kubectl create ns cephfs
 kubectl create secret generic ceph-secret-admin --from-file=/tmp/secret --namespace=cephfs
 ```
 
--   Start CephFS provisioner
+- Start CephFS provisioner
 
 The following example uses `cephfs-provisioner-1` as the identity for the instance and assumes kubeconfig is at `/root/.kube`. The identity should remain the same if the provisioner restarts. If there are multiple provisioners, each should have a different identity.
 
@@ -45,21 +45,21 @@ docker run -ti -v /root/.kube:/kube -v /var/run/kubernetes:/var/run/kubernetes -
 
 Alternatively, deploy it in kubernetes, see [deployment](deploy/README.md).
 
--   Create a CephFS Storage Class
+- Create a CephFS Storage Class
 
-Replace Ceph monitor's IP in <a href="example/class.yaml" class="uri" class="uri">example/class.yaml</a> with your own and create storage class:
+Replace Ceph monitor's IP in [example class](example/class.yaml) with your own and create storage class:
 
 ``` bash
 kubectl create -f example/class.yaml
 ```
 
--   Create a claim
+- Create a claim
 
 ``` bash
 kubectl create -f example/claim.yaml
 ```
 
--   Create a Pod using the claim
+- Create a Pod using the claim
 
 ``` bash
 kubectl create -f example/test-pod.yaml
@@ -68,9 +68,9 @@ kubectl create -f example/test-pod.yaml
 Known limitations
 -----------------
 
--   Kernel CephFS doesn't work with SELinux, setting SELinux label in Pod's securityContext will not work.
--   Kernel CephFS doesn't support quota or capacity, capacity requested by PVC is not enforced or validated.
--   Currently each Ceph user created by the provisioner has `allow r` MDS cap to permit CephFS mount.
+- Kernel CephFS doesn't work with SELinux, setting SELinux label in Pod's securityContext will not work.
+- Kernel CephFS doesn't support quota or capacity, capacity requested by PVC is not enforced or validated.
+- Currently each Ceph user created by the provisioner has `allow r` MDS cap to permit CephFS mount.
 
 Acknowledgement
 ---------------

roles/kubernetes-apps/external_provisioner/local_volume_provisioner/README.md

@@ -50,7 +50,7 @@ the rest of this doc will use that path as an example.
 Examples to create local storage volumes
 ----------------------------------------
 
-### tmpfs method:
+1. tmpfs method:
 
 ``` bash
 for vol in vol1 vol2 vol3; do
@@ -62,7 +62,7 @@ done
 The tmpfs method is not recommended for production because the mount is not
 persistent and data will be deleted on reboot.
 
-### Mount physical disks
+1. Mount physical disks
 
 ``` bash
 mkdir /mnt/disks/ssd1
@@ -72,8 +72,7 @@ mount /dev/vdb1 /mnt/disks/ssd1
 Physical disks are recommended for production environments because it offers
 complete isolation in terms of I/O and capacity.
 
-### Mount unpartitioned physical devices
-
+1. Mount unpartitioned physical devices
 
 ``` bash
 for disk in /dev/sdc /dev/sdd /dev/sde; do
@@ -85,7 +84,7 @@ This saves time of precreatnig filesystems. Note that your storageclass must hav
 volume_mode set to "Filesystem" and fs_type defined. If either is not set, the
 disk will be added as a raw block device.
 
-### File-backed sparsefile method
+1. File-backed sparsefile method
 
 ``` bash
 truncate /mnt/disks/disk5 --size 2G
@@ -97,12 +96,12 @@ mount /mnt/disks/disk5 /mnt/disks/vol5
 If you have a development environment and only one disk, this is the best way
 to limit the quota of persistent volumes.
 
-### Simple directories
+1. Simple directories
 
 In a development environment using `mount --bind` works also, but there is no capacity
 management.
 
-### Block volumeMode PVs
+1. Block volumeMode PVs
 
 Create a symbolic link under discovery directory to the block device on the node. To use
 raw block devices in pods, volume_type should be set to "Block".

roles/kubernetes-apps/external_provisioner/rbd_provisioner/README.md

@@ -26,7 +26,7 @@ make push
 
 * Start Kubernetes local cluster
 
-See https://kubernetes.io/.
+See [Kubernetes](https://kubernetes.io/).
 
 * Create a Ceph admin secret
 
@@ -76,4 +76,4 @@ kubectl create -f examples/test-pod.yaml
 
 ## Acknowledgements
 
-- This provisioner is extracted from [Kubernetes core](https://github.com/kubernetes/kubernetes) with some modifications for this project.
+* This provisioner is extracted from [Kubernetes core](https://github.com/kubernetes/kubernetes) with some modifications for this project.