Remove project_key from the Jira configuration

app/models/project_services/jira_service.rb

@@ -3,10 +3,8 @@ class JiraService < IssueTrackerService
 
   validates :url, url: true, presence: true, if: :activated?
   validates :api_url, url: true, allow_blank: true
-  validates :project_key, presence: true, if: :activated?
 
-  prop_accessor :username, :password, :url, :api_url, :project_key,
-                :jira_issue_transition_id, :title, :description
+  prop_accessor :username, :password, :url, :api_url, :jira_issue_transition_id, :title, :description
 
   before_update :reset_password
 
@@ -54,10 +52,6 @@ class JiraService < IssueTrackerService
     @client ||= JIRA::Client.new(options)
   end
 
-  def jira_project
-    @jira_project ||= jira_request { client.Project.find(project_key) }
-  end
-
   def help
     "You need to configure JIRA before enabling this service. For more details
     read the
@@ -88,18 +82,12 @@ class JiraService < IssueTrackerService
     [
       { type: 'text', name: 'url', title: 'Web URL', placeholder: 'https://jira.example.com', required: true },
       { type: 'text', name: 'api_url', title: 'JIRA API URL', placeholder: 'If different from Web URL' },
-      { type: 'text', name: 'project_key', placeholder: 'Project Key', required: true },
       { type: 'text', name: 'username', placeholder: '', required: true },
       { type: 'password', name: 'password', placeholder: '', required: true },
-      { type: 'text', name: 'jira_issue_transition_id', placeholder: '' }
+      { type: 'text', name: 'jira_issue_transition_id', title: 'Transition ID', placeholder: '' }
     ]
   end
 
-  # URLs to redirect from Gitlab issues pages to jira issue tracker
-  def project_url
-    "#{url}/issues/?jql=project=#{project_key}"
-  end
-
   def issues_url
     "#{url}/browse/:id"
   end
@@ -184,7 +172,7 @@ class JiraService < IssueTrackerService
   def test_settings
     return unless client_url.present?
     # Test settings by getting the project
-    jira_request { jira_project.present? }
+    jira_request { client.ServerInfo.all.attrs }
   end
 
   private

changelogs/unreleased/31129-jira-project-key-elim.yml

+---
+title: Remove project_key from the Jira configuration
+merge_request: 12050
+author:

doc/user/project/integrations/jira.md

@@ -98,11 +98,11 @@ in the table below.
 | Field | Description |
 | ----- | ----------- |
 | `Web URL` | The base URL to the JIRA instance web interface which is being linked to this GitLab project. E.g., `https://jira.example.com`. |
-| `JIRA API URL` | The base URL to the JIRA instance API. E.g., `https://jira-api.example.com`. This is optional. If not entered, the Web URL value be used. |
+| `JIRA API URL` | The base URL to the JIRA instance API. Web URL value will be used if not set. E.g., `https://jira-api.example.com`. |
 | `Project key` | Put a JIRA project key (in uppercase), e.g. `MARS` in this field. This is only for testing the configuration settings. JIRA integration in GitLab works with _all_ JIRA projects in your JIRA instance. This field will be removed in a future release. |
 | `Username` | The user name created in [configuring JIRA step](#configuring-jira). |
 | `Password` |The password of the user created in [configuring JIRA step](#configuring-jira). |
-| `JIRA issue transition` | This is the ID of a transition that moves issues to a closed state. You can find this number under JIRA workflow administration ([see screenshot](img/jira_workflow_screenshot.png)). **Closing JIRA issues via commits or Merge Requests won't work if you don't set the ID correctly.** |
+| `Transition ID` | This is the ID of a transition that moves issues to a closed state. You can find this number under JIRA workflow administration ([see screenshot](img/jira_workflow_screenshot.png)). **Closing JIRA issues via commits or Merge Requests won't work if you don't set the ID correctly.** |
 
 After saving the configuration, your GitLab project will be able to interact
 with all JIRA projects in your JIRA instance.

features/steps/project/services.rb

@@ -175,7 +175,6 @@ class Spinach::Features::ProjectServices < Spinach::FeatureSteps
     fill_in 'JIRA API URL', with: 'http://jira.example/api'
     fill_in 'Username', with: 'gitlab'
     fill_in 'Password', with: 'gitlab'
-    fill_in 'Project Key', with: 'GITLAB'
     click_button 'Save'
   end
 

lib/api/services.rb

@@ -312,12 +312,6 @@ module API
           type: String,
           desc: 'The base URL to the JIRA instance API. Web URL value will be used if not set. E.g., https://jira-api.example.com'
         },
-        {
-          required: true,
-          name: :project_key,
-          type: String,
-          desc: 'The short identifier for your JIRA project, all uppercase, e.g., PROJ'
-        },
         {
           required: false,
           name: :username,

spec/features/projects/services/jira_service_spec.rb

@@ -6,17 +6,12 @@ feature 'Setup Jira service', :feature, :js do
   let(:service) { project.create_jira_service }
 
   let(:url) { 'http://jira.example.com' }
-
-  def stub_project_url
-    WebMock.stub_request(:get, 'http://jira.example.com/rest/api/2/project/GitLabProject')
-      .with(basic_auth: %w(username password))
-  end
+  let(:test_url) { 'http://jira.example.com/rest/api/2/serverInfo' }
 
   def fill_form(active = true)
     check 'Active' if active
 
     fill_in 'service_url', with: url
-    fill_in 'service_project_key', with: 'GitLabProject'
     fill_in 'service_username', with: 'username'
     fill_in 'service_password', with: 'password'
     fill_in 'service_jira_issue_transition_id', with: '25'
@@ -31,11 +26,10 @@ feature 'Setup Jira service', :feature, :js do
 
   describe 'user sets and activates Jira Service' do
     context 'when Jira connection test succeeds' do
-      before do
-        stub_project_url
-      end
-
       it 'activates the JIRA service' do
+        server_info = { key: 'value' }.to_json
+        WebMock.stub_request(:get, test_url).with(basic_auth: %w(username password)).to_return(body: server_info)
+
         click_link('JIRA')
         fill_form
         click_button('Test settings and save changes')
@@ -47,10 +41,6 @@ feature 'Setup Jira service', :feature, :js do
     end
 
     context 'when Jira connection test fails' do
-      before do
-        stub_project_url.to_return(status: 401)
-      end
-
       it 'shows errors when some required fields are not filled in' do
         click_link('JIRA')
 
@@ -64,6 +54,9 @@ feature 'Setup Jira service', :feature, :js do
       end
 
       it 'activates the JIRA service' do
+        WebMock.stub_request(:get, test_url).with(basic_auth: %w(username password))
+          .to_raise(JIRA::HTTPError.new(double(message: 'message')))
+
         click_link('JIRA')
         fill_form
         click_button('Test settings and save changes')

spec/models/project_services/jira_service_spec.rb

@@ -15,7 +15,6 @@ describe JiraService, models: true do
       end
 
       it { is_expected.to validate_presence_of(:url) }
-      it { is_expected.to validate_presence_of(:project_key) }
       it_behaves_like 'issue tracker service URL attribute', :url
     end
 
@@ -34,7 +33,6 @@ describe JiraService, models: true do
           active: true,
           username: 'username',
           password: 'test',
-          project_key: 'TEST',
           jira_issue_transition_id: 24,
           url: 'http://jira.test.com'
         )
@@ -88,7 +86,6 @@ describe JiraService, models: true do
         url: 'http://jira.example.com',
         username: 'gitlab_jira_username',
         password: 'gitlab_jira_password',
-        project_key: 'GitLabProject',
         jira_issue_transition_id: "custom-id"
       )
 
@@ -196,15 +193,14 @@ describe JiraService, models: true do
         project: create(:project),
         url: 'http://jira.example.com',
         username: 'jira_username',
-        password: 'jira_password',
-        project_key: 'GitLabProject'
+        password: 'jira_password'
       )
     end
 
     def test_settings(api_url)
-      project_url = "http://#{api_url}/rest/api/2/project/GitLabProject"
+      test_url = "http://#{api_url}/rest/api/2/serverInfo"
 
-      WebMock.stub_request(:get, project_url).with(basic_auth: %w(jira_username jira_password))
+      WebMock.stub_request(:get, test_url).with(basic_auth: %w(jira_username jira_password)).to_return(body: { url: 'http://url' }.to_json )
 
       jira_service.test_settings
     end

spec/support/jira_service_helper.rb

@@ -51,7 +51,7 @@ module JiraServiceHelper
   end
 
   def jira_project_url
-    JIRA_API + "/project/#{jira_tracker.project_key}"
+    JIRA_API + "/project"
   end
 
   def jira_api_comment_url(issue_id)