puppet: Fix puppet-lint warning.

Signed-off-by: Anders Kaseorg <anders@zulipchat.com>

puppet/zulip/manifests/memcached.pp

@@ -22,7 +22,7 @@ class zulip::memcached {
     notify  => Exec[generate_memcached_sasldb2],
   }
   exec { 'generate_memcached_sasldb2':
-    require => [
+    require     => [
       Package[$memcached_packages],
       Package[$zulip::sasl_modules::sasl_module_packages],
       File['/etc/sasl2/memcached-zulip-password'],
@@ -30,7 +30,7 @@ class zulip::memcached {
     refreshonly => true,
     # Pass the hostname explicitly because otherwise saslpasswd2
     # lowercases it and memcached does not.
-    command => "bash -c 'saslpasswd2 -p -f /etc/sasl2/memcached-sasldb2 \
+    command     => "bash -c 'saslpasswd2 -p -f /etc/sasl2/memcached-sasldb2 \
 -a memcached -u \"\$HOSTNAME\" zulip < /etc/sasl2/memcached-zulip-password'",
   }
   file { '/etc/sasl2/memcached-sasldb2':

tools/lint

@@ -64,7 +64,8 @@ def run():
                                   description="Runs the puppet parser validator, "
                                   "checking for syntax errors.")
     linter_config.external_linter('puppet-lint',
-                                  ['puppet-lint'] + PUPPET_CHECK_RULES_TO_EXCLUDE, ['pp'],
+                                  ['puppet-lint', '--fail-on-warnings'] + PUPPET_CHECK_RULES_TO_EXCLUDE,
+                                  ['pp'],
                                   fix_arg='--fix',
                                   description="Standard puppet linter"
                                   "(config: tools/linter_lib/exclude.py)")