WIP: Load keystone credentials from clouds.yaml

Change-Id: Ie8246aa18d90ba506fe708be13c9a5afa3e5d2fd

lib/puppet/provider/openstack/credentials.rb

@@ -88,7 +88,9 @@ class Puppet::Provider::Openstack::CredentialsV3 < Puppet::Provider::Openstack::
     :trust_id,
     :user_domain_id,
     :user_domain_name,
-    :user_id
+    :user_id,
+    :cloud,
+    :client_config_file,
   ]
 
   KEYS.each { |var| attr_accessor var }
@@ -113,12 +115,14 @@ class Puppet::Provider::Openstack::CredentialsV3 < Puppet::Provider::Openstack::
     elsif @system_scope
       return 'system'
     else
+      # When OS_CLOUDS is used, parameters are not directly passed to puppet
+      # so the scope can't be detected.
       return nil
     end
   end
 
   def user_password_set?
-    return true if user_set? && @password && scope_set? && @auth_url
+    return true if (user_set? && @password && scope_set? && @auth_url) || @cloud
   end
 
   def initialize

manifests/clouds.pp

@@ -0,0 +1,73 @@
+# == Class: openstacklib::clouds
+#
+# Generates clouds.yaml for openstack CLI
+#
+# == Parameters
+#
+# [*username*]
+#   (Required) The name of the keystone user.
+#
+# [*password*]
+#   (Required) Password of the keystone user.
+#
+# [*auth_url*]
+#   (Required) The URL to use for authentication.
+#
+# [*path*]
+#   (Optional) Path to the clouds.yaml file.
+#   Defaults to $name
+#
+# [*user_domain_name*]
+#   (Optional) Name of domain for $username.
+#   Defaults to 'Default'
+#
+# [*project_name*]
+#   (Optional) The name of the keystone project.
+#   Defaults to undef
+#
+# [*project_domain_name*]
+#   (Optional) Name of domain for $project_name.
+#   Defaults to 'Default'
+#
+# [*system_scope*]
+#   (Optional) Scope for system operations.
+#   Defaults to undef
+#
+# [*identity_api_version*]
+#   (Optional) Version of identity API.
+#   Defaults to '3'
+#
+# [*interface*]
+#   (Optional) Determine the endpoint to be used.
+#   Defaults to undef
+#
+# [*region_name*]
+#   (Optional) The region in which the service can be found.
+#   Defaults to undef
+#
+define openstacklib::clouds(
+  $username,
+  $password,
+  $auth_url,
+  $path                 = $name,
+  $user_domain_name     = 'Default',
+  $project_name         = undef,
+  $project_domain_name  = 'Default',
+  $system_scope         = undef,
+  $identity_api_version = '3',
+  $interface            = undef,
+  $region_name          = undef,
+) {
+
+  if !$project_name and !$system_scope {
+    fail('One of project_name and system_scope should be set')
+  }
+
+  file { $path:
+    ensure  => 'present',
+    mode    => '0600',
+    owner   => 'root',
+    group   => 'root',
+    content => template('openstacklib/clouds.yaml.erb'),
+  }
+}

spec/defines/openstacklib_clouds_spec.rb

@@ -0,0 +1,41 @@
+require 'spec_helper'
+
+describe 'openstacklib::clouds' do
+  shared_examples 'openstacklib::clouds' do
+    let :title do
+      '/etc/openstack/clouds.yaml'
+    end
+
+    context 'with the required parameters' do
+      let :params do
+        {
+          :username     => 'admin',
+          :password     => 'secrete',
+          :auth_url     => 'http://127.0.0.1:5000/',
+          :project_name => 'demo',
+        }
+      end
+
+      it 'creates a clouds.yaml file' do
+        should contain_file('/etc/openstack/clouds.yaml').with(
+          :mode  => '0600',
+          :owner => 'root',
+          :group => 'root',
+        )
+      end
+    end
+  end
+
+  on_supported_os({
+    :supported_os => OSDefaults.get_supported_os
+  }).each do |os,facts|
+    context "on #{os}" do
+      let (:facts) do
+        facts.merge!(OSDefaults.get_facts())
+      end
+
+      it_behaves_like 'openstacklib::clouds'
+    end
+  end
+
+end

spec/unit/provider/openstack/credentials_spec.rb

@@ -74,6 +74,12 @@ describe Puppet::Provider::Openstack::Credentials do
         expect(creds.service_token_set?).to be_falsey
       end
 
+      it 'is successful with cloud' do
+        creds.cloud = 'openstack'
+        expect(creds.user_password_set?).to be_truthy
+        expect(creds.service_token_set?).to be_falsey
+      end
+
       it 'fails' do
         creds.auth_url = 'auth_url'
         creds.password = 'password'
@@ -111,6 +117,8 @@ describe Puppet::Provider::Openstack::Credentials do
         creds.endpoint = 'endpoint'
         creds.region_name = 'region_name'
         creds.identity_api_version = 'identity_api_version'
+        creds.cloud = 'openstack'
+        creds.client_config_file = '/etc/openstack/clouds.yaml'
         creds.unset
         expect(creds.auth_url).to eq('')
         expect(creds.password).to eq('')
@@ -122,6 +130,8 @@ describe Puppet::Provider::Openstack::Credentials do
         expect(creds.endpoint).to eq('')
         expect(creds.region_name).to eq('')
         expect(creds.identity_api_version).to eq('identity_api_version')
+        expect(creds.cloud).to eq('')
+        expect(creds.client_config_file).to eq('')
         newcreds = Puppet::Provider::Openstack::CredentialsV3.new
         expect(newcreds.identity_api_version).to eq('3')
       end
@@ -141,6 +151,8 @@ describe Puppet::Provider::Openstack::Credentials do
         creds.endpoint = 'endpoint'
         creds.region_name = 'Region1'
         creds.identity_api_version = 'identity_api_version'
+        creds.cloud = 'openstack'
+        creds.client_config_file = '/etc/openstack/clouds.yaml'
         expect(creds.to_env).to eq({
           'OS_USERNAME'             => 'username',
           'OS_PASSWORD'             => 'password',
@@ -152,6 +164,8 @@ describe Puppet::Provider::Openstack::Credentials do
           'OS_ENDPOINT'             => 'endpoint',
           'OS_REGION_NAME'          => 'Region1',
           'OS_IDENTITY_API_VERSION' => 'identity_api_version',
+          'OS_CLOUD'                => 'openstack',
+          'OS_CLIENT_CONFIG_FILE'   => '/etc/openstack/clouds.yaml',
         })
       end
     end
@@ -173,6 +187,7 @@ describe Puppet::Provider::Openstack::Credentials do
         creds.project_name = 'project_name'
         creds.username = 'username'
         expect(creds.user_password_set?).to be_truthy
+        expect(creds.scope).to eq('project')
       end
     end
     describe '#password_set? with username and domain_name' do
@@ -182,6 +197,7 @@ describe Puppet::Provider::Openstack::Credentials do
         creds.domain_name = 'domain_name'
         creds.username = 'username'
         expect(creds.user_password_set?).to be_truthy
+        expect(creds.scope).to eq('domain')
       end
     end
     describe '#password_set? with username and system_scope' do
@@ -191,6 +207,14 @@ describe Puppet::Provider::Openstack::Credentials do
         creds.system_scope = 'all'
         creds.username = 'username'
         expect(creds.user_password_set?).to be_truthy
+        expect(creds.scope).to eq('system')
+      end
+    end
+    describe '#password_set? with cloud' do
+      it 'is successful' do
+        creds.cloud = 'openstack'
+        expect(creds.user_password_set?).to be_truthy
+        expect(creds.scope).to eq(nil)
       end
     end
     describe '#password_set? with user_id and project_id' do
@@ -200,6 +224,7 @@ describe Puppet::Provider::Openstack::Credentials do
         creds.project_id = 'projid'
         creds.user_id = 'userid'
         expect(creds.user_password_set?).to be_truthy
+        expect(creds.scope).to eq('project')
       end
     end
     describe '#password_set? with user_id and domain_id' do
@@ -209,6 +234,7 @@ describe Puppet::Provider::Openstack::Credentials do
         creds.domain_id = 'domid'
         creds.user_id = 'userid'
         expect(creds.user_password_set?).to be_truthy
+        expect(creds.scope).to eq('domain')
       end
     end
   end

templates/clouds.yaml.erb

@@ -0,0 +1,40 @@
+clouds:
+<% if @project_name -%>
+  project:
+    auth:
+      auth_url: <%= @auth_url %>
+      password: <%= @password %>
+      username: <%= @username %>
+      user_domain_name: <%= @user_domain_name %>
+      project_name: <%= @project_name %>
+      project_domain_name: <%= @project_domain_name %>
+    identity_api_version: <%= @identity_api_version %>
+<% if @interface -%>
+    interface: <%= @interface %>
+<% end -%>
+<% if @region_name -%>
+    region_name: <%= @region_name %>
+<% end -%>
+<% if @cacert -%>
+    cacert: <%= @cacert %>
+<% end -%>
+<% end -%>
+<% if @system_scope -%>
+  system:
+    auth:
+      auth_url: <%= @auth_url %>
+      password: <%= @password %>
+      username: <%= @username %>
+      user_domain_name: <%= @user_domain_name %>
+      system_scope: <%= @system_scope %>
+    identity_api_version: <%= @identity_api_version %>
+<% if @interface -%>
+    interface: <%= @interface %>
+<% end -%>
+<% if @region_name -%>
+    region_name: <%= @region_name %>
+<% end -%>
+<% if @cacert -%>
+    cacert: <%= @cacert %>
+<% end -%>
+<% end -%>