openstack/training-guides
Code Issues Proposed changes

labs: check and fix private ssh key permissions

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If a user changes the permissions of the Vagrant insecure ssh key,
ssh authentication doesn't work anymore and they are prompted for
a password. To prevent that, check (and adjust, if necessary) file
permissions before using ssh.

Change-Id: I90589553de30ef606c4083a1b9980c2cc80a3b3b
This commit is contained in:
Roger Luethi 2014-09-01 08:25:41 +02:00
parent b5d209f515
commit 6f44c8b272
1 changed files with 7 additions and 2 deletions
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9
labs/lib/osbash/functions.host
View File

@ -44,10 +44,15 @@ function check_vagrant_private_key {
local key_name="vagrant" local key_name="vagrant"
local key_url=https://raw.githubusercontent.com/mitchellh/vagrant/master/keys/$key_name local key_url=https://raw.githubusercontent.com/mitchellh/vagrant/master/keys/$key_name
local vagrant_key_dir=$LIB_DIR/vagrant-ssh-keys local vagrant_key_dir=$LIB_DIR/vagrant-ssh-keys
local vagrant_key_path=$vagrant_key_dir/$key_name
if [ ! -f "$vagrant_key_dir/$key_name" ]; then if [ ! -f "$vagrant_key_path" ]; then
download "$key_url" "$vagrant_key_dir" $key_name download "$key_url" "$vagrant_key_dir" $key_name
chmod 400 "$vagrant_key_dir/$key_name" fi
if ! ls -l "$vagrant_key_path"|grep -q "^-r--------"; then
echo "Adjusting permissions for $vagrant_key_path"
chmod 400 "$vagrant_key_path"
fi fi
} }