NFS and Microk8s - Revision history

Busk at 15:59, 28 November 2023

2023-11-28T15:59:07Z

Busk at 15:52, 28 November 2023

2023-11-28T15:52:13Z

Busk at 03:23, 17 July 2021

2021-07-17T03:23:43Z

Busk at 03:00, 17 July 2021

2021-07-17T03:00:55Z

Busk at 23:31, 16 July 2021

2021-07-16T23:31:12Z

Busk at 23:30, 16 July 2021

2021-07-16T23:30:55Z

Busk at 23:29, 16 July 2021

2021-07-16T23:29:17Z

Busk at 22:38, 16 July 2021

2021-07-16T22:38:58Z

Busk: Created page with "``` #!/usr/bin/env bash if [ "$#" -ne 2 ]; then echo "Usage: $0 " echo "Example: $0 28a1f1f8-e686-11eb-bf45-7f257ca7269b server" exit..."

2021-07-16T22:36:54Z

Created page with "``` #!/usr/bin/env bash if [ "$#" -ne 2 ]; then echo "Usage: $0 <uuid> <nfs node type server/client>" echo "Example: $0 28a1f1f8-e686-11eb-bf45-7f257ca7269b server" exit..."

New page

```
#!/usr/bin/env bash
if [ "$#" -ne 2 ]; then
echo "Usage: $0 <uuid> <nfs node type server/client>"
echo "Example: $0 28a1f1f8-e686-11eb-bf45-7f257ca7269b server"
exit
fi

uuid=$1
node_type=$2
server_host=nas
server_mnt=/$uuid
server_net_mnt=${server_host}:{server_dir}
# local_mnt=/var/snap/microk8s/common/nas-nfs-standard
client_mnt=/opt/local-path-provisioner
client_ips="10.x.x.x 10.x.x.x 10.x.x.x"

if ! [[ $uuid =~ ^\{?[A-F0-9a-f]{8}-[A-F0-9a-f]{4}-[A-F0-9a-f]{4}-[A-F0-9a-f]{4}-[A-F0-9a-f]{12}\}?$ ]]; then
echo "E: Invalid uuid format."
exit
fi

install_client(){
echo Installing client.
grep $server_mnt /etc/fstab || sudo echo "$server_net_mnt $client_mnt nfs" | sudo tee -a /etc/fstab
sudo mkdir -p $client_mnt && sudo chmod 0755 $client_mnt
sudo apt install -y nfs-client # nfs-common
}

install_server(){
echo Installing server.
sudo apt install nfs-kernel-server
sudo mkdir -p $server_mnt && sudo chmod 0755 $server_mnt
sudo mv /etc/exports /etc/exports.bkp
for ip in $client_ips; do
echo "$server_mnt $ip(rw,sync,no_subtree_check,insecure,no_root_squash)" | sudo tee -a /etc/exports
done
sudo chmod 0644 /etc/exports
sudo systemctl reload nfs-server
}

install_localpathprov(){
# https://github.com/rancher/local-path-provisioner
kubectl apply -f https://raw.githubusercontent.com/rancher/local-path-provisioner/master/deploy/local-path-storage.yaml
kubectl create -f https://raw.githubusercontent.com/rancher/local-path-provisioner/master/examples/pvc/pvc.yaml
kubectl create -f https://raw.githubusercontent.com/rancher/local-path-provisioner/master/examples/pod/pod.yaml
}

if [[ "$node_type" == "server" ]]; then
install_server
elif [[ "$node_type" == "client" ]]; then
install_client
else
echo "E: Unsupported node_type."
fi
```

# Testing
mkdir ~/mnt
sudo mount -t nfs $server_host:/28a1f1f8-e686-11eb-bf45-7f257ca7269b ~/mnt
echo hi > ~/mnt/hi.txt
cat ~/mnt/hi.txt

← Older revision		Revision as of 15:59, 28 November 2023
Line 1:		Line 1:
		+	# Change default StorageClass
		+	```
		+	kubectl patch storageclass local-path -p '{"metadata": {"annotations":{"storageclass.kubernetes.io/is-default-class":"true"}}}'
		+	kubectl patch storageclass microk8s-hostpath -p '{"metadata": {"annotations":{"storageclass.kubernetes.io/is-default-class":"false"}}}'
		+	```
		+
	# Clients Quick		# Clients Quick
	```		```

← Older revision		Revision as of 15:52, 28 November 2023
Line 1:		Line 1:
		+	# Clients Quick
		+	```
		+	apt install -y nfs-client
		+	mkdir -p /opt/local-path-provisioner
		+
		+	vi /etc/fstab
		+	nas1:/<your mount point> /opt/local-path-provisioner nfs4 _netdev,auto 0 0
		+	mount -a
		+	ls /opt/local-path-provisioner/
		+	```
		+
		+	# Using a script
		+
		+
	It is important to understand this file. Client ip addresses are highly trusted and controlled kubernetes nodes.		It is important to understand this file. Client ip addresses are highly trusted and controlled kubernetes nodes.

← Older revision		Revision as of 03:23, 17 July 2021
Line 81:		Line 81:
	cat ~/mnt/hi.txt		cat ~/mnt/hi.txt
	```		```
		+
		+	https://www.linuxtechi.com/configure-nfs-persistent-volume-kubernetes/

← Older revision		Revision as of 22:38, 16 July 2021
Line 1:		Line 1:
		+	It is important to understand this file. Client ip addresses are highly trusted and controlled kubernetes nodes.
		+
		+	Do not run files on nas directory it should only be used as a file store.
		+
	```		```
	#!/usr/bin/env bash		#!/usr/bin/env bash

@@ Line 43: / Line 43: @@
    sudo mv /etc/exports /etc/exports.bkp
    for ip in $client_ips; do
-     echo "$server_mnt    $ip(rw,sync,no_subtree_check,insecure,no_root_squash)" | sudo tee -a /etc/exports
+     # risky echo "$server_mnt    $ip(rw,sync,no_subtree_check,insecure,no_root_squash)" | sudo tee -a /etc/exports
    done
    sudo chmod 0644 /etc/exports

@@ Line 73: / Line 73: @@
 # Testing
 mkdir ~/mnt
 sudo mount -t nfs $server_net_mnt ~/mnt
 echo hi > ~/mnt/hi.txt
 cat ~/mnt/hi.txt

@@ Line 18: / Line 18: @@
 server_mnt=/$uuid
 server_net_mnt="${server_host}:${server_mnt}"
 client_mnt=/opt/local-path-provisioner
-# client_ips="10.206.225.187 10.206.225.186 10.206.225.185"
 if ! [[ $uuid =~ ^\{?[A-F0-9a-f]{8}-[A-F0-9a-f]{4}-[A-F0-9a-f]{4}-[A-F0-9a-f]{4}-[A-F0-9a-f]{12}\}?$ ]]; then
@@ Line 75: / Line 74: @@
 # Testing
 mkdir ~/mnt
-sudo mount -t nfs $server_host:/28a1f1f8-e686-11eb-bf45-7f257ca7269b ~/mnt
+sudo mount -t nfs $server_net_mnt ~/mnt
 echo hi > ~/mnt/hi.txt
 cat ~/mnt/hi.txt

@@ Line 5: / Line 5: @@
 ```
 #!/usr/bin/env bash
-if [ "$#" -ne 2 ]; then
+set -e
-   echo "Usage: $0 <uuid> <nfs node type server/client>"
+if [ "$#" -ne 3 ]; then
-   echo "Example: $0 28a1f1f8-e686-11eb-bf45-7f257ca7269b server"
+   echo "Usage: $0 <uuid> <nfs node type server/client> \"<client ips>\""
    exit
 fi
@@ Line 13: / Line 14: @@
 uuid=$1
 node_type=$2
 server_host=nas
 server_mnt=/$uuid
-server_net_mnt=${server_host}:{server_dir}
+server_net_mnt="${server_host}:${server_mnt}"
 # local_mnt=/var/snap/microk8s/common/nas-nfs-standard
 client_mnt=/opt/local-path-provisioner
-client_ips="10.x.x.x 10.x.x.x 10.x.x.x"
+# client_ips="10.206.225.187 10.206.225.186 10.206.225.185"
 if ! [[ $uuid =~ ^\{?[A-F0-9a-f]{8}-[A-F0-9a-f]{4}-[A-F0-9a-f]{4}-[A-F0-9a-f]{4}-[A-F0-9a-f]{12}\}?$ ]]; then
@@ Line 28: / Line 30: @@
 install_client(){
    echo Installing client.
-   grep $server_mnt /etc/fstab || sudo echo "$server_net_mnt $client_mnt nfs" | sudo tee -a /etc/fstab
+  sudo sed -i "/$uuid/d" /etc/fstab
    sudo mkdir -p $client_mnt && sudo chmod 0755 $client_mnt
    sudo apt install -y nfs-client  # nfs-common
+}
@@ Line 49: / Line 53: @@
 install_localpathprov(){
    # https://github.com/rancher/local-path-provisioner
    kubectl apply -f https://raw.githubusercontent.com/rancher/local-path-provisioner/master/deploy/local-path-storage.yaml
    kubectl create -f https://raw.githubusercontent.com/rancher/local-path-provisioner/master/examples/pvc/pvc.yaml
@@ Line 59: / Line 66: @@
 elif [[ "$node_type" == "client" ]]; then
    install_client
 else
    echo "E: Unsupported node_type."