Merge pull request #47 from loadsys/f/vagrant-nfs-3.0

Add script for configuring nfsexport commands in /etc/sudoers

Author: ricog

composer.json

@@ -40,6 +40,7 @@
         "git-submodules",
         "init-repo",
         "migrations",
+        "nfsexports-setsudoaccess",
         "pear-install-deps",
         "pear-package-installed",
         "pear-package-installed-dumb",

nfsexports-setsudoaccess

@@ -0,0 +1,47 @@
+#!/usr/bin/env bash
+
+#---------------------------------------------------------------------
+usage ()
+{
+	cat <<EOT
+
+${0##*/}
+    Script to inject the proper command exceptions into a system's
+    /etc/sudoers file to allow vagrant to modify /etc/exports for
+    NFS shared folder use without prompting the user for an
+    administrator password during \`vagrant up\`.
+    See: https://docs.vagrantup.com/v2/synced-folders/nfs.html
+    Has no effect if run repeatedly.
+
+Usage:
+    bin/${0##*/}
+
+
+EOT
+
+	exit 0
+}
+if [ "$1" = '-h' ]; then
+	usage
+fi
+
+# Make sure only root can run our script
+if [[ $EUID -ne 0 ]]; then
+   echo "!! This script must be run using sudo." 1>&2
+   exit 1
+fi
+
+comment="Allow Vagrant with NFS without requiring a password"
+if grep -q "$comment" "/etc/sudoers"; then
+    echo 'Vagrant permissions already present in /etc/sudoers';
+else
+    echo 'Adding Vagrant permissions into /etc/sudoers';
+    cat <<EOF >> /etc/sudoers
+
+# $comment
+Cmnd_Alias VAGRANT_EXPORTS_ADD = /usr/bin/tee -a /etc/exports
+Cmnd_Alias VAGRANT_NFSD = /sbin/nfsd restart
+Cmnd_Alias VAGRANT_EXPORTS_REMOVE = /usr/bin/sed -E -e /*/ d -ibak /etc/exports
+%admin ALL=(root) NOPASSWD: VAGRANT_EXPORTS_ADD, VAGRANT_NFSD, VAGRANT_EXPORTS_REMOVE
+EOF
+fi