Destroy repo mirrors instead of disabling them

It is important to destroy data related to repo mirrors when they are
disabled.
Use `_destroy` nested attribute instead of `enabled` for push mirrors.
Call `remove_import_data` after saving a project if its pull mirror is
disabled.

9 files changed, 29 insertions, 149 deletions

diff --git a/app/assets/javascripts/mirrors/mirror_repos.js b/app/assets/javascripts/mirrors/mirror_repos.js
index 196b84621b6..33e9b1c4e46 100644
--- a/app/assets/javascripts/mirrors/mirror_repos.js
+++ b/app/assets/javascripts/mirrors/mirror_repos.js
@@ -87,7 +87,7 @@ export default class MirrorRepos {
         project: {
           remote_mirrors_attributes: {
             id: $target.data('mirrorId'),
-            enabled: 0,
+            _destroy: 1,
           },
         },
       };
diff --git a/app/assets/javascripts/mirrors/ssh_mirror.js b/app/assets/javascripts/mirrors/ssh_mirror.js
index f7e80950803..bb5ae6ce2d1 100644
--- a/app/assets/javascripts/mirrors/ssh_mirror.js
+++ b/app/assets/javascripts/mirrors/ssh_mirror.js
@@ -24,12 +24,6 @@ export default class SSHMirror {
 
     this.$wellAuthTypeChanging = this.$form.find('.js-well-changing-auth');
     this.$wellPasswordAuth = this.$form.find('.js-well-password-auth');
-    this.$wellSSHAuth = this.$form.find('.js-well-ssh-auth');
-    this.$sshPublicKeyWrap = this.$form.find('.js-ssh-public-key-wrap');
-    this.$regeneratePublicSshKeyButton = this.$wellSSHAuth.find('.js-btn-regenerate-ssh-key');
-    this.$regeneratePublicSshKeyModal = this.$wellSSHAuth.find(
-      '.js-regenerate-public-ssh-key-confirm-modal',
-    );
   }
 
   init() {
@@ -40,15 +34,6 @@ export default class SSHMirror {
     this.$dropdownAuthType.on('change', e => this.handleAuthTypeChange(e));
     this.$btnDetectHostKeys.on('click', e => this.handleDetectHostKeys(e));
     this.$btnSSHHostsShowAdvanced.on('click', e => this.handleSSHHostsAdvanced(e));
-    this.$regeneratePublicSshKeyButton.on('click', () =>
-      this.$regeneratePublicSshKeyModal.toggle(true),
-    );
-    $('.js-confirm', this.$regeneratePublicSshKeyModal).on('click', e =>
-      this.regeneratePublicSshKey(e),
-    );
-    $('.js-cancel', this.$regeneratePublicSshKeyModal).on('click', () =>
-      this.$regeneratePublicSshKeyModal.toggle(false),
-    );
   }
 
   /**
@@ -162,54 +147,11 @@ export default class SSHMirror {
    * Authentication method dropdown change event listener
    */
   handleAuthTypeChange() {
-    const projectMirrorAuthTypeEndpoint = `${this.$form.attr('action')}.json`;
-    const $sshPublicKey = this.$sshPublicKeyWrap.find('.ssh-public-key');
     const selectedAuthType = this.$dropdownAuthType.val();
 
     this.$wellPasswordAuth.collapse('hide');
-    this.$wellSSHAuth.collapse('hide');
     this.updateHiddenAuthType(selectedAuthType);
-
-    // This request should happen only if selected Auth type was SSH
-    // and SSH Public key was not present on page load
-    if (selectedAuthType === AUTH_METHOD.SSH && !$sshPublicKey.text().trim()) {
-      if (!this.$wellSSHAuth.length) return;
-
-      // Construct request body
-      const authTypeData = {
-        project: {
-          ...this.$regeneratePublicSshKeyButton.data().projectData,
-        },
-      };
-
-      this.$wellAuthTypeChanging.collapse('show');
-      this.$dropdownAuthType.disable();
-
-      axios
-        .put(projectMirrorAuthTypeEndpoint, JSON.stringify(authTypeData), {
-          headers: {
-            'Content-Type': 'application/json; charset=utf-8',
-          },
-        })
-        .then(({ data }) => {
-          // Show SSH public key container and fill in public key
-          this.toggleAuthWell(selectedAuthType);
-          this.toggleSSHAuthWellMessage(true);
-          this.setSSHPublicKey(data.import_data_attributes.ssh_public_key);
-
-          this.$wellAuthTypeChanging.collapse('hide');
-          this.$dropdownAuthType.enable();
-        })
-        .catch(() => {
-          Flash(__('Something went wrong on our end.'));
-
-          this.$wellAuthTypeChanging.collapse('hide');
-          this.$dropdownAuthType.enable();
-        });
-    } else {
-      this.toggleAuthWell(selectedAuthType);
-      this.$wellSSHAuth.find('.js-ssh-public-key-present').collapse('show');
-    }
+    this.toggleAuthWell(selectedAuthType);
   }
 
   /**
@@ -235,7 +177,6 @@ export default class SSHMirror {
    */
   toggleAuthWell(authType) {
     this.$wellPasswordAuth.collapse(authType === AUTH_METHOD.PASSWORD ? 'show' : 'hide');
-    this.$wellSSHAuth.collapse(authType === AUTH_METHOD.SSH ? 'show' : 'hide');
     this.updateHiddenAuthType(authType);
   }
 
@@ -244,64 +185,11 @@ export default class SSHMirror {
     this.$hiddenAuthType.prop('disabled', authType === AUTH_METHOD.SSH);
   }
 
-  /**
-   * Toggle SSH auth information message
-   */
-  toggleSSHAuthWellMessage(sshKeyPresent) {
-    this.$sshPublicKeyWrap.collapse(sshKeyPresent ? 'show' : 'hide');
-    this.$wellSSHAuth.find('.js-ssh-public-key-present').collapse(sshKeyPresent ? 'show' : 'hide');
-    this.$regeneratePublicSshKeyButton.collapse(sshKeyPresent ? 'show' : 'hide');
-    this.$wellSSHAuth.find('.js-ssh-public-key-pending').collapse(sshKeyPresent ? 'hide' : 'show');
-  }
-
-  /**
-   * Sets SSH Public key to Clipboard button and shows it on UI.
-   */
-  setSSHPublicKey(sshPublicKey) {
-    this.$sshPublicKeyWrap.find('.ssh-public-key').text(sshPublicKey);
-    this.$sshPublicKeyWrap
-      .find('.btn-copy-ssh-public-key')
-      .attr('data-clipboard-text', sshPublicKey);
-  }
-
-  regeneratePublicSshKey(event) {
-    event.preventDefault();
-
-    this.$regeneratePublicSshKeyModal.toggle(false);
-
-    const button = this.$regeneratePublicSshKeyButton;
-    const spinner = $('.js-spinner', button);
-    const endpoint = button.data('endpoint');
-    const authTypeData = {
-      project: {
-        ...this.$regeneratePublicSshKeyButton.data().projectData,
-      },
-    };
-
-    button.attr('disabled', 'disabled');
-    spinner.removeClass('d-none');
-
-    axios
-      .patch(endpoint, authTypeData)
-      .then(({ data }) => {
-        button.removeAttr('disabled');
-        spinner.addClass('d-none');
-
-        this.setSSHPublicKey(data.import_data_attributes.ssh_public_key);
-      })
-      .catch(() => {
-        Flash(__('Unable to regenerate public ssh key.'));
-      });
-  }
-
   destroy() {
     this.$repositoryUrl.off('keyup');
     this.$form.find('.js-known-hosts').off('keyup');
     this.$dropdownAuthType.off('change');
     this.$btnDetectHostKeys.off('click');
     this.$btnSSHHostsShowAdvanced.off('click');
-    this.$regeneratePublicSshKeyButton.off('click');
-    $('.js-confirm', this.$regeneratePublicSshKeyModal).off('click');
-    $('.js-cancel', this.$regeneratePublicSshKeyModal).off('click');
   }
 }
diff --git a/app/controllers/projects/mirrors_controller.rb b/app/controllers/projects/mirrors_controller.rb
index ef330ae00f4..6c6adc233b7 100644
--- a/app/controllers/projects/mirrors_controller.rb
+++ b/app/controllers/projects/mirrors_controller.rb
@@ -81,6 +81,7 @@ class Projects::MirrorsController < Projects::ApplicationController
         password
         ssh_known_hosts
         regenerate_ssh_private_key
+        _destroy
       ]
     ]
   end
diff --git a/app/views/projects/mirrors/_authentication_method.html.haml b/app/views/projects/mirrors/_authentication_method.html.haml
index ef6db07a1bb..ee82d68d398 100644
--- a/app/views/projects/mirrors/_authentication_method.html.haml
+++ b/app/views/projects/mirrors/_authentication_method.html.haml
@@ -1,8 +1,5 @@
 - mirror = f.object
-- is_push = local_assigns.fetch(:is_push, false)
 - auth_options = [[_('Password'), 'password'], [_('SSH public key'), 'ssh_public_key']]
-- regen_data = { auth_method: 'ssh_public_key', regenerate_ssh_private_key: true }
-- ssh_public_key_present = mirror.ssh_public_key.present?
 
 .form-group
   = f.label :auth_method, _('Authentication method'), class: 'label-bold'
@@ -17,21 +14,3 @@
   .well-password-auth.collapse.js-well-password-auth
     = f.label :password, _("Password"), class: "label-bold"
     = f.password_field :password, value: mirror.password, class: 'form-control qa-password', autocomplete: 'new-password'
-  - unless is_push
-    .well-ssh-auth.collapse.js-well-ssh-auth
-      %p.js-ssh-public-key-present{ class: ('collapse' unless ssh_public_key_present) }
-        = _('Here is the public SSH key that needs to be added to the remote server. For more information, please refer to the documentation.')
-      %p.js-ssh-public-key-pending{ class: ('collapse' if ssh_public_key_present) }
-        = _('An SSH key will be automatically generated when the form is submitted. For more information, please refer to the documentation.')
-
-      .clearfix.js-ssh-public-key-wrap{ class: ('collapse' unless ssh_public_key_present) }
-        %code.prepend-top-10.ssh-public-key
-          = mirror.ssh_public_key
-        = clipboard_button(text: mirror.ssh_public_key, title: _("Copy SSH public key to clipboard"), class: 'prepend-top-10 btn-copy-ssh-public-key')
-
-      = button_tag type: 'button',
-        data: { endpoint: project_mirror_path(@project), project_data: { import_data_attributes: regen_data } },
-        class: "btn btn-inverted btn-warning prepend-top-10 js-btn-regenerate-ssh-key#{ ' collapse' unless ssh_public_key_present }" do
-        = icon('spinner spin', class: 'js-spinner d-none')
-        = _('Regenerate key')
-      = render 'projects/mirrors/regenerate_public_ssh_key_confirm_modal'
diff --git a/app/views/projects/mirrors/_mirror_repos_push.html.haml b/app/views/projects/mirrors/_mirror_repos_push.html.haml
index 1d9c83653fe..b7c885b4a63 100644
--- a/app/views/projects/mirrors/_mirror_repos_push.html.haml
+++ b/app/views/projects/mirrors/_mirror_repos_push.html.haml
@@ -5,4 +5,4 @@
   = rm_f.hidden_field :url, class: 'js-mirror-url-hidden', required: true, pattern: "(#{protocols}):\/\/.+"
   = rm_f.hidden_field :only_protected_branches, class: 'js-mirror-protected-hidden'
   = render partial: 'projects/mirrors/ssh_host_keys', locals: { f: rm_f }
-  = render partial: 'projects/mirrors/authentication_method', locals: { f: rm_f, is_push: true }
+  = render partial: 'projects/mirrors/authentication_method', locals: { f: rm_f }
diff --git a/app/views/projects/mirrors/_ssh_host_keys.html.haml b/app/views/projects/mirrors/_ssh_host_keys.html.haml
index f61aa6ecd11..7762fb4b844 100644
--- a/app/views/projects/mirrors/_ssh_host_keys.html.haml
+++ b/app/views/projects/mirrors/_ssh_host_keys.html.haml
@@ -3,7 +3,7 @@
 - verified_at = mirror.ssh_known_hosts_verified_at
 
 .form-group.js-ssh-host-keys-section{ class: ('collapse' unless mirror.ssh_mirror_url?) }
-  %button.btn.btn-inverted.btn-success.inline.js-detect-host-keys.append-right-10{ type: 'button' }
+  %button.btn.btn-inverted.btn-secondary.inline.js-detect-host-keys.append-right-10{ type: 'button' }
     = icon('spinner spin', class: 'js-spinner d-none')
     = _('Detect host keys')
   .fingerprint-ssh-info.js-fingerprint-ssh-info.prepend-top-10.append-bottom-10{ class: ('collapse' unless mirror.ssh_mirror_url?) }
diff --git a/changelogs/unreleased/ce-its-simple-just-destroy-the-mirrors.yml b/changelogs/unreleased/ce-its-simple-just-destroy-the-mirrors.yml
new file mode 100644
index 00000000000..ac5fc27cf36
--- /dev/null
+++ b/changelogs/unreleased/ce-its-simple-just-destroy-the-mirrors.yml
@@ -0,0 +1,5 @@
+---
+title: Destroy project remote mirrors instead of disabling
+merge_request: 27087
+author:
+type: security
diff --git a/locale/gitlab.pot b/locale/gitlab.pot
index 122f31fec44..445984c7847 100644
--- a/locale/gitlab.pot
+++ b/locale/gitlab.pot
@@ -811,9 +811,6 @@ msgstr ""
 msgid "Amount of time (in hours) that users are allowed to skip forced configuration of two-factor authentication"
 msgstr ""
 
-msgid "An SSH key will be automatically generated when the form is submitted. For more information, please refer to the documentation."
-msgstr ""
-
 msgid "An application called %{link_to_client} is requesting access to your GitLab account."
 msgstr ""
 
@@ -2811,9 +2808,6 @@ msgstr ""
 msgid "Copy SSH public key"
 msgstr ""
 
-msgid "Copy SSH public key to clipboard"
-msgstr ""
-
 msgid "Copy URL to clipboard"
 msgstr ""
 
@@ -4762,9 +4756,6 @@ msgstr ""
 msgid "Help page text and support page url."
 msgstr ""
 
-msgid "Here is the public SSH key that needs to be added to the remote server. For more information, please refer to the documentation."
-msgstr ""
-
 msgid "Hide file browser"
 msgstr ""
 
@@ -10154,9 +10145,6 @@ msgstr ""
 msgid "Unable to load the diff. %{button_try_again}"
 msgstr ""
 
-msgid "Unable to regenerate public ssh key."
-msgstr ""
-
 msgid "Unable to resolve"
 msgstr ""
 
diff --git a/spec/features/projects/settings/repository_settings_spec.rb b/spec/features/projects/settings/repository_settings_spec.rb
index 1259ad45791..f7de769cee9 100644
--- a/spec/features/projects/settings/repository_settings_spec.rb
+++ b/spec/features/projects/settings/repository_settings_spec.rb
@@ -217,5 +217,24 @@ describe 'Projects > Settings > Repository settings' do
         expect(RepositoryCleanupWorker.jobs.count).to eq(1)
       end
     end
+
+    context 'with an existing mirror', :js do
+      let(:mirrored_project) { create(:project, :repository, :remote_mirror) }
+
+      before do
+        mirrored_project.add_maintainer(user)
+
+        visit project_settings_repository_path(mirrored_project)
+      end
+
+      it 'delete remote mirrors' do
+        expect(mirrored_project.remote_mirrors.count).to eq(1)
+
+        find('.js-delete-mirror').click
+        wait_for_requests
+
+        expect(mirrored_project.remote_mirrors.count).to eq(0)
+      end
+    end
   end
 end