From 85c561f9a32f8f2b9ddf34e7d60ef4b7bf0d3680 Mon Sep 17 00:00:00 2001
From: Sam Chudnick <sam@chudnick.com>
Date: Fri, 15 Apr 2022 21:08:34 -0400
Subject: inital commit - various scripts

---
 mknfs | 56 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100755 mknfs

(limited to 'mknfs')

diff --git a/mknfs b/mknfs
new file mode 100755
index 0000000..5b04a9f
--- /dev/null
+++ b/mknfs
@@ -0,0 +1,56 @@
+#!/bin/sh
+#
+# Configures and exports an NFS share 
+
+help() {
+	echo "usage: mknfs --clients nfs_client --path nfs_path"\
+			"[--options \"opt1,opt2,opt3...\"] [--sec sec_option] [-f]"
+	echo "\n-c, --clients\tNFS export client"
+	echo "-f, --force\tmake directory if it doesn't exist"
+	echo "-o, --options\tAdditional NFS export options - quoted and comma separated"
+	echo "-p, --path\tPath of directory to be exported - must be absolute"
+	echo "-s, --sec\tNFS security settings - defaults to sys"
+	echo "\nexample: mknfs --clients server.example.com --path /srv/nfs/backups"\
+			"--options \"crossmnt,async\" --sec krb5p"
+	exit
+}
+
+opts=$(getopt -o "c:,f,h,o:,p:,s:" -l "clients:,force, help,options:,path:,sec:" -- "$@")
+eval set -- "$opts"
+clients=
+options=""
+path=
+sec="sys"
+force=0
+while true
+do 
+	case "$1" in
+		'-c' | '--clients') clients="$2" shift 2; continue ;;
+		'-f' | '--force') force=1 shift; continue ;;
+		'-o' | '--options') options="$2" shift 2; continue ;;
+		'-p' | '--path') path="$2" shift 2; continue ;;
+		'-s' | '--sec') sec="$2" shift 2; continue ;;
+		'-h' | '--help') help ;;
+		'--') shift; break ;;
+	esac 
+done
+[ -z "$clients" ] && help
+[ -z "$path" ] && help
+
+# Validate path
+[ "$(echo $path | cut -d'/' -f1)" != "" ] && 
+		echo "error: path is not absolute" && exit 1
+[ ! -d $path -a $force -eq 0 ] && 
+		echo "error: directory does not exist (use -f to create)" && exit 1
+[ ! -d $path -a $force -eq 1 ] && mkdir -p $path 
+
+# Set some sane defaults if no options are specified
+[ "$options" = "" ] && options="rw,sync,no_subtree_check"
+
+# Make sure security option is valid
+[ $sec != "sys" -a $sec != "krb5" -a $sec != "krb5i" -a $sec != "krb5p" ] &&
+		echo "error: invalid security option - must be one of sys,krb5,krb5i,krb5p"
+
+echo "$path\t$clients(sec=$sec,$options)" >> /etc/exports
+exportfs -au
+exportfs -ar
-- 
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