Allow to manually validate the configuration in the wizard as well

It's a mess...

modules/monitoring/application/forms/Setup/IdoResourcePage.php

@@ -21,6 +21,7 @@ class IdoResourcePage extends Form
         $this->addDescription($this->translate(
             'Please fill out the connection details below to access the IDO database of your monitoring environment.'
         ));
+        $this->setValidatePartial(true);
     }
 
     /**
@@ -96,6 +97,52 @@ class IdoResourcePage extends Form
         return true;
     }
 
+    /**
+     * Run the configured backend's inspection checks and show the result, if necessary
+     *
+     * This will only run any validation if the user pushed the 'backend_validation' button.
+     *
+     * @param   array   $formData
+     *
+     * @return  bool
+     */
+    public function isValidPartial(array $formData)
+    {
+        if (isset($formData['backend_validation']) && parent::isValid($formData)) {
+            $inspection = ResourceConfigForm::inspectResource($this);
+            if ($inspection !== null) {
+                $join = function ($e) use (& $join) {
+                    return is_string($e) ? $e : join("\n", array_map($join, $e));
+                };
+                $this->addElement(
+                    'note',
+                    'inspection_output',
+                    array(
+                        'order'         => 0,
+                        'value'         => '<strong>' . $this->translate('Validation Log') . "</strong>\n\n"
+                            . join("\n", array_map($join, $inspection->toArray())),
+                        'decorators'    => array(
+                            'ViewHelper',
+                            array('HtmlTag', array('tag' => 'pre', 'class' => 'log-output')),
+                        )
+                    )
+                );
+
+                if ($inspection->hasError()) {
+                    $this->warning(sprintf(
+                        $this->translate('Failed to successfully validate the configuration: %s'),
+                        $inspection->getError()
+                    ));
+                    return false;
+                }
+            }
+
+            $this->info($this->translate('The configuration has been successfully validated.'));
+        }
+
+        return true;
+    }
+
     /**
      * Add a checkbox to the form by which the user can skip the resource validation
      *

modules/monitoring/library/Monitoring/MonitoringWizard.php

@@ -114,6 +114,19 @@ class MonitoringWizard extends Wizard implements SetupWizard
                 mt('monitoring', 'Setup the monitoring module for Icinga Web 2', 'setup.summary.btn.finish')
             );
         }
+
+        if ($page->getName() === 'setup_monitoring_ido') {
+            $page->addElement(
+                'submit',
+                'backend_validation',
+                array(
+                    'ignore'        => true,
+                    'label'         => t('Validate Configuration'),
+                    'decorators'    => array('ViewHelper')
+                )
+            );
+            $page->getDisplayGroup('buttons')->addElement($page->getElement('backend_validation'));
+        }
     }
 
     /**

modules/setup/application/forms/AuthBackendPage.php

@@ -30,6 +30,7 @@ class AuthBackendPage extends Form
     {
         $this->setName('setup_authentication_backend');
         $this->setTitle($this->translate('Authentication Backend', 'setup.page.title'));
+        $this->setValidatePartial(true);
     }
 
     /**
@@ -150,6 +151,54 @@ class AuthBackendPage extends Form
         return true;
     }
 
+    /**
+     * Run the configured backend's inspection checks and show the result, if necessary
+     *
+     * This will only run any validation if the user pushed the 'backend_validation' button.
+     *
+     * @param   array   $formData
+     *
+     * @return  bool
+     */
+    public function isValidPartial(array $formData)
+    {
+        if (isset($formData['backend_validation']) && parent::isValid($formData)) {
+            $self = clone $this;
+            $self->getSubForm('backend_form')->getElement('resource')->setIgnore(false);
+            $inspection = UserBackendConfigForm::inspectUserBackend($self);
+            if ($inspection !== null) {
+                $join = function ($e) use (& $join) {
+                    return is_string($e) ? $e : join("\n", array_map($join, $e));
+                };
+                $this->addElement(
+                    'note',
+                    'inspection_output',
+                    array(
+                        'order'         => 0,
+                        'value'         => '<strong>' . $this->translate('Validation Log') . "</strong>\n\n"
+                            . join("\n", array_map($join, $inspection->toArray())),
+                        'decorators'    => array(
+                            'ViewHelper',
+                            array('HtmlTag', array('tag' => 'pre', 'class' => 'log-output')),
+                        )
+                    )
+                );
+
+                if ($inspection->hasError()) {
+                    $this->warning(sprintf(
+                        $this->translate('Failed to successfully validate the configuration: %s'),
+                        $inspection->getError()
+                    ));
+                    return false;
+                }
+            }
+
+            $this->info($this->translate('The configuration has been successfully validated.'));
+        }
+
+        return true;
+    }
+
     /**
      * Add a checkbox to this form by which the user can skip the authentication validation
      */

modules/setup/application/forms/DbResourcePage.php

@@ -23,6 +23,7 @@ class DbResourcePage extends Form
             'Now please configure your database resource. Note that the database itself does not need to'
             . ' exist at this time as it is going to be created once the wizard is about to be finished.'
         ));
+        $this->setValidatePartial(true);
     }
 
     /**
@@ -84,6 +85,35 @@ class DbResourcePage extends Form
         return true;
     }
 
+    /**
+     * Check whether it's possible to connect to the database server
+     *
+     * This will only run the check if the user pushed the 'backend_validation' button.
+     *
+     * @param   array   $formData
+     *
+     * @return  bool
+     */
+    public function isValidPartial(array $formData)
+    {
+        if (isset($formData['backend_validation']) && parent::isValid($formData)) {
+            try {
+                $db = new DbTool($this->getValues());
+                $db->checkConnectivity();
+            } catch (PDOException $e) {
+                $this->warning(sprintf(
+                    $this->translate('Failed to successfully validate the configuration: %s'),
+                    $e->getMessage()
+                ));
+                return false;
+            }
+
+            $this->info($this->translate('The configuration has been successfully validated.'));
+        }
+
+        return true;
+    }
+
     /**
      * Add a checkbox to the form by which the user can skip the connection validation
      */

modules/setup/application/forms/LdapResourcePage.php

@@ -23,6 +23,7 @@ class LdapResourcePage extends Form
             'Now please configure your AD/LDAP resource. This will later '
             . 'be used to authenticate users logging in to Icinga Web 2.'
         ));
+        $this->setValidatePartial(true);
     }
 
     /**
@@ -82,6 +83,52 @@ class LdapResourcePage extends Form
         return true;
     }
 
+    /**
+     * Run the configured backend's inspection checks and show the result, if necessary
+     *
+     * This will only run any validation if the user pushed the 'backend_validation' button.
+     *
+     * @param   array   $formData
+     *
+     * @return  bool
+     */
+    public function isValidPartial(array $formData)
+    {
+        if (isset($formData['backend_validation']) && parent::isValid($formData)) {
+            $inspection = ResourceConfigForm::inspectResource($this);
+            if ($inspection !== null) {
+                $join = function ($e) use (& $join) {
+                    return is_string($e) ? $e : join("\n", array_map($join, $e));
+                };
+                $this->addElement(
+                    'note',
+                    'inspection_output',
+                    array(
+                        'order'         => 0,
+                        'value'         => '<strong>' . $this->translate('Validation Log') . "</strong>\n\n"
+                            . join("\n", array_map($join, $inspection->toArray())),
+                        'decorators'    => array(
+                            'ViewHelper',
+                            array('HtmlTag', array('tag' => 'pre', 'class' => 'log-output')),
+                        )
+                    )
+                );
+
+                if ($inspection->hasError()) {
+                    $this->warning(sprintf(
+                        $this->translate('Failed to successfully validate the configuration: %s'),
+                        $inspection->getError()
+                    ));
+                    return false;
+                }
+            }
+
+            $this->info($this->translate('The configuration has been successfully validated.'));
+        }
+
+        return true;
+    }
+
     /**
      * Add a checkbox to the form by which the user can skip the connection validation
      */

modules/setup/library/Setup/WebWizard.php

@@ -296,6 +296,27 @@ class WebWizard extends Wizard implements SetupWizard
         } elseif ($index === count($pages) - 1) {
             $page->getElement(static::BTN_NEXT)->setLabel(mt('setup', 'Setup Icinga Web 2', 'setup.summary.btn.finish'));
         }
+
+        $authData = $this->getPageData('setup_authentication_type');
+        $veto = $page->getName() === 'setup_authentication_backend' && $authData['type'] === 'db';
+        if (! $veto && in_array($page->getName(), array(
+            'setup_authentication_backend',
+            'setup_auth_db_resource',
+            'setup_config_db_resource',
+            'setup_ldap_resource',
+            'setup_monitoring_ido'
+        ))) {
+            $page->addElement(
+                'submit',
+                'backend_validation',
+                array(
+                    'ignore'        => true,
+                    'label'         => t('Validate Configuration'),
+                    'decorators'    => array('ViewHelper')
+                )
+            );
+            $page->getDisplayGroup('buttons')->addElement($page->getElement('backend_validation'));
+        }
     }
 
     /**