download docker compose during launch process

routes/admin_api.py

@@ -13,6 +13,7 @@ import secrets
 from flask_login import login_user
 import requests
 import json
+import base64
 
 admin_api = Blueprint('admin_api', __name__)
 
@@ -1156,3 +1157,77 @@ def create_ssl_certificate(current_user):
             'success': False,
             'error': str(e)
         }), 500
+
+@admin_api.route('/download-docker-compose', methods=['POST'])
+@csrf.exempt
+def download_docker_compose():
+    """Download docker-compose.yml from the repository"""
+    data = request.get_json()
+    if not data or 'repository' not in data or 'branch' not in data:
+        return jsonify({'message': 'Missing required fields'}), 400
+
+    try:
+        # Get Git settings
+        git_settings = KeyValueSettings.get_value('git_settings')
+        if not git_settings:
+            return jsonify({'message': 'Git settings not configured'}), 400
+
+        # Determine the provider and set up the appropriate API call
+        if git_settings['provider'] == 'gitea':
+            # For Gitea
+            headers = {
+                'Accept': 'application/json',
+                'Authorization': f'token {git_settings["token"]}'
+            }
+            
+            # Try to get the file content
+            response = requests.get(
+                f'{git_settings["url"]}/api/v1/repos/{data["repository"]}/contents/docker-compose.yml',
+                headers=headers,
+                params={'ref': data['branch']}
+            )
+
+            if response.status_code != 200:
+                # Try token as query parameter if header auth fails
+                response = requests.get(
+                    f'{git_settings["url"]}/api/v1/repos/{data["repository"]}/contents/docker-compose.yml?token={git_settings["token"]}',
+                    headers={'Accept': 'application/json'},
+                    params={'ref': data['branch']}
+                )
+
+        elif git_settings['provider'] == 'gitlab':
+            # For GitLab
+            headers = {
+                'PRIVATE-TOKEN': git_settings['token'],
+                'Accept': 'application/json'
+            }
+            
+            # Get the file content
+            response = requests.get(
+                f'{git_settings["url"]}/api/v4/projects/{data["repository"].replace("/", "%2F")}/repository/files/docker-compose.yml/raw',
+                headers=headers,
+                params={'ref': data['branch']}
+            )
+
+        else:
+            return jsonify({'message': 'Unsupported Git provider'}), 400
+
+        if response.status_code == 200:
+            # For Gitea, we need to decode the content from base64
+            if git_settings['provider'] == 'gitea':
+                content = base64.b64decode(response.json()['content']).decode('utf-8')
+            else:
+                content = response.text
+
+            return jsonify({
+                'success': True,
+                'content': content
+            })
+        else:
+            return jsonify({
+                'message': f'Failed to download docker-compose.yml: {response.json().get("message", "Unknown error")}'
+            }), 400
+
+    except Exception as e:
+        current_app.logger.error(f"Error downloading docker-compose.yml: {str(e)}")
+        return jsonify({'message': f'Error downloading docker-compose.yml: {str(e)}'}), 500 

templates/main/launch_progress.html

@@ -228,6 +228,18 @@ function initializeSteps() {
         </div>
     `;
     stepsContainer.appendChild(portainerStep);
+
+    // Add Docker Compose download step
+    const dockerComposeStep = document.createElement('div');
+    dockerComposeStep.className = 'step-item';
+    dockerComposeStep.innerHTML = `
+        <div class="step-icon"><i class="fas fa-file-code"></i></div>
+        <div class="step-content">
+            <h5>Downloading Docker Compose</h5>
+            <p class="step-status">Fetching docker-compose.yml from repository...</p>
+        </div>
+    `;
+    stepsContainer.appendChild(dockerComposeStep);
 }
 
 async function startLaunch(data) {
@@ -336,6 +348,37 @@ async function startLaunch(data) {
         portainerStep.classList.add('completed');
         portainerStep.querySelector('.step-status').textContent = 'Successfully connected to Portainer';
 
+        // Step 6: Download Docker Compose
+        await updateStep(6, 'Downloading Docker Compose', 'Fetching docker-compose.yml from repository...');
+        const dockerComposeResult = await downloadDockerCompose(data.repository, data.branch);
+        
+        if (!dockerComposeResult.success) {
+            throw new Error(dockerComposeResult.error || 'Failed to download docker-compose.yml');
+        }
+
+        // Update the step to show success
+        const dockerComposeStep = document.querySelectorAll('.step-item')[5];
+        dockerComposeStep.classList.remove('active');
+        dockerComposeStep.classList.add('completed');
+        dockerComposeStep.querySelector('.step-status').textContent = 'Successfully downloaded docker-compose.yml';
+
+        // Add download button
+        const downloadButton = document.createElement('button');
+        downloadButton.className = 'btn btn-sm btn-primary mt-2';
+        downloadButton.innerHTML = '<i class="fas fa-download me-1"></i> Download docker-compose.yml';
+        downloadButton.onclick = () => {
+            const blob = new Blob([dockerComposeResult.content], { type: 'text/yaml' });
+            const url = window.URL.createObjectURL(blob);
+            const a = document.createElement('a');
+            a.href = url;
+            a.download = 'docker-compose.yml';
+            document.body.appendChild(a);
+            a.click();
+            window.URL.revokeObjectURL(url);
+            document.body.removeChild(a);
+        };
+        dockerComposeStep.querySelector('.step-content').appendChild(downloadButton);
+
     } catch (error) {
         showError(error.message);
     }
@@ -962,5 +1005,39 @@ function retryLaunch() {
     // Reload the page to start over
     window.location.reload();
 }
+
+// Add new function to download docker-compose.yml
+async function downloadDockerCompose(repo, branch) {
+    try {
+        const response = await fetch('/api/admin/download-docker-compose', {
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/json',
+                'X-CSRF-Token': document.querySelector('meta[name="csrf-token"]').content
+            },
+            body: JSON.stringify({
+                repository: repo,
+                branch: branch
+            })
+        });
+
+        if (!response.ok) {
+            const error = await response.json();
+            throw new Error(error.message || 'Failed to download docker-compose.yml');
+        }
+
+        const result = await response.json();
+        return {
+            success: true,
+            content: result.content
+        };
+    } catch (error) {
+        console.error('Error downloading docker-compose.yml:', error);
+        return {
+            success: false,
+            error: error.message
+        };
+    }
+}
 </script>
 {% endblock %}