Switch to namespace sdtlib functions

puppetlabs-stdlib deprecated the existing functions in favor of
the new stdlib:: functions in 9.0.0. The version was released a few
years ago and now we assume we are ready to adopt to the migration.

Change-Id: I63f4f02b6a349d600013791e400c6ac01960f2ae
Signed-off-by: Takashi Kajinami <kajinamit@oss.nttdata.com>

manifests/task_flow.pp

@@ -156,7 +156,7 @@ class octavia::task_flow (
   if $manage_backend_package {
     case $jobboard_backend_driver {
       'zookeeper_taskflow_driver': {
-        ensure_packages('python-kazoo', {
+        stdlib::ensure_packages('python-kazoo', {
           name   => $::octavia::params::python_kazoo_package_name,
           ensure => $package_ensure,
           tag    => ['openstack'],
@@ -166,7 +166,7 @@ class octavia::task_flow (
         -> Anchor['octavia::install::end']
       }
       'etcd_taskflow_driver': {
-        ensure_packages('python-etcd3gw', {
+        stdlib::ensure_packages('python-etcd3gw', {
           name   => $::octavia::params::python_etcd3gw_package_name,
           ensure => $package_ensure,
           tag    => ['openstack'],
@@ -176,7 +176,7 @@ class octavia::task_flow (
         -> Anchor['octavia::install::end']
       }
       default: {
-        ensure_packages('python-redis', {
+        stdlib::ensure_packages('python-redis', {
           name   => $::octavia::params::python_redis_package_name,
           ensure => $package_ensure,
           tag    => ['openstack'],

manifests/worker.pp

@@ -84,7 +84,7 @@ class octavia::worker (
       'is_public' => false,
       'tag'       => ['octavia']
     }
-    $nova_flavor_defaults = merge($octavia_flavor_defaults, $nova_flavor_config)
+    $nova_flavor_defaults = stdlib::merge($octavia_flavor_defaults, $nova_flavor_config)
     create_resources('nova_flavor', $octavia_flavor, $nova_flavor_defaults)
     if $manage_service {
       Nova_flavor<| tag == 'octavia' |> ~> Service['octavia-worker']

metadata.json

@@ -7,7 +7,7 @@
         },
         {
             "name": "puppetlabs/stdlib",
-            "version_requirement": ">=5.0.0 <10.0.0"
+            "version_requirement": ">=9.0.0 <10.0.0"
         },
         {
             "name": "openstack/keystone",