Collect Citrix Analytics logs

Supported in:

This document explains how to ingest Citrix Analytics logs to Google Security Operations using Google Cloud Storage. Citrix Analytics for Performance provides aggregated data from performance data sources, enabling you to fetch session, machine, and user data.

Before you begin

Ensure that you have the following prerequisites:

  • A Google SecOps instance
  • A GCP project with Cloud Storage API enabled
  • Permissions to create and manage GCS buckets
  • Permissions to create Cloud Run services, Pub/Sub topics, and Cloud Scheduler jobs
  • Privileged access to Citrix Analytics for Performance tenant
  • Citrix Cloud API credentials (Client ID, Client Secret, Customer ID)

Collect Citrix Analytics API credentials

  1. Sign in to the Citrix Cloud Console. In the Citrix Cloud console, click the menu in the upper left corner of the screen. Select the Identity and Access Management option from the menu. Select the API Access tab.
  2. Click Create Client.
  3. Copy and save in a secure location the following details:

    • Client ID
    • Client Secret
    • Customer ID(located in the Citrix Cloud URL or IAM page)
    • API Base URL: https://api.cloud.com/casodata

Create Google Cloud Storage bucket

  1. Go to the Google Cloud Console .
  2. Select your project or create a new one.
  3. In the navigation menu, go to Cloud Storage > Buckets.
  4. Click Create bucket.
  5. Provide the following configuration details:

    Setting Value
    Name your bucket Enter a globally unique name (for example, citrix-analytics-logs )
    Location type Choose based on your needs (Region, Dual-region, Multi-region)
    Location Select the location (for example, us-central1 )
    Storage class Standard (recommended for frequently accessed logs)
    Access control Uniform (recommended)
    Protection tools Optional: Enable object versioning or retention policy
  6. Click Create.

The Cloud Run function needs a service account with permissions to write to GCS bucket.

  1. In the GCP Console, go to IAM & Admin > Service Accounts.
  2. Click Create Service Account.
  3. Provide the following configuration details:
    • Service account name: Enter citrix-analytics-collector-sa .
    • Service account description: Enter Service account for Cloud Run function to collect Citrix Analytics logs .
  4. Click Create and Continue.
  5. In the Grant this service account access to projectsection:
    1. Click Select a role.
    2. Search for and select Storage Object Admin.
    3. Click + Add another role.
    4. Search for and select Cloud Run Invoker.
    5. Click + Add another role.
    6. Search for and select Cloud Functions Invoker.
  6. Click Continue.
  7. Click Done.

These roles are required for:

  • Storage Object Admin: Write logs to GCS bucket and manage state files
  • Cloud Run Invoker: Allow Pub/Sub to invoke the function
  • Cloud Functions Invoker: Allow function invocation

Grant IAM permissions on GCS bucket

Grant the service account write permissions on the GCS bucket:

  1. Go to Cloud Storage > Buckets.
  2. Click your bucket name.
  3. Go to the Permissionstab.
  4. Click Grant access.
  5. Provide the following configuration details:
    • Add principals: Enter the service account email.
    • Assign roles: Select Storage Object Admin.
  6. Click Save.

Create Pub/Sub topic

Create a Pub/Sub topic that Cloud Scheduler will publish to and the Cloud Run function will subscribe to.

  1. In the GCP Console, go to Pub/Sub > Topics.
  2. Click Create topic.
  3. Provide the following configuration details:
    • Topic ID: Enter citrix-analytics-trigger .
    • Leave other settings as default.
  4. Click Create.

Create Cloud Run function to collect logs

The Cloud Run function is triggered by Pub/Sub messages from Cloud Scheduler to fetch logs from Citrix Analytics OData API and writes them to GCS.

  1. In the GCP Console, go to Cloud Run.
  2. Click Create service.
  3. Select Function(use an inline editor to create a function).
  4. In the Configuresection, provide the following configuration details:

    Setting Value
    Service name citrix-analytics-collector
    Region Select region matching your GCS bucket (for example, us-central1 )
    Runtime Select Python 3.12or later
  5. In the Trigger (optional)section:

    1. Click + Add trigger.
    2. Select Cloud Pub/Sub.
    3. In Select a Cloud Pub/Sub topic, choose the topic citrix-analytics-trigger .
    4. Click Save.
  6. In the Authenticationsection:

    1. Select Require authentication.
    2. Check Identity and Access Management (IAM).
  7. Scroll down and expand Containers, Networking, Security.

  8. Go to the Securitytab:

    • Service account: Select the service account citrix-analytics-collector-sa .
  9. Go to the Containerstab:

    1. Click Variables & Secrets.
    2. Click + Add variablefor each environment variable:
    Variable Name Example Value
    GCS_BUCKET citrix-analytics-logs
    GCS_PREFIX citrix_analytics
    STATE_KEY citrix_analytics/state.json
    CITRIX_CLIENT_ID your-client-id
    CITRIX_CLIENT_SECRET your-client-secret
    CITRIX_CUSTOMER_ID your-customer-id
    API_BASE https://api.cloud.com/casodata
    ENTITIES sessions,machines,users
    TOP_N 1000
    LOOKBACK_MINUTES 75
  10. Scroll down in the Variables & Secretstab to Requests:

    • Request timeout: Enter 600 seconds (10 minutes).
  11. Go to the Settingstab in Containers:

    • In the Resourcessection:
      • Memory: Select 512 MiBor higher.
      • CPU: Select 1.
    • Click Done.
  12. Scroll down to Execution environment:

    • Select Default(recommended).
  13. In the Revision scalingsection:

    • Minimum number of instances: Enter 0 .
    • Maximum number of instances: Enter 100 (or adjust based on expected load).
  14. Click Create.

  15. Wait for the service to be created (1-2 minutes).

  16. After the service is created, the inline code editoropens automatically.

Add function code

  1. Enter mainin Function entry point
  2. In the inline code editor, create two files:

    • First file: main.py:
      import 
      
     functions_framework 
     from 
      
     google.cloud 
      
     import 
      storage 
     
     import 
      
     json 
     import 
      
     os 
     import 
      
     urllib3 
     from 
      
     datetime 
      
     import 
     datetime 
     , 
     timedelta 
     , 
     timezone 
     import 
      
     urllib.parse 
     # Initialize HTTP client 
     http 
     = 
     urllib3 
     . 
     PoolManager 
     () 
     # Initialize Storage client 
     storage_client 
     = 
      storage 
     
     . 
      Client 
     
     () 
     CITRIX_TOKEN_URL_TMPL 
     = 
     "https://api.cloud.com/cctrustoauth2/ 
     {customerid} 
     /tokens/clients" 
     DEFAULT_API_BASE 
     = 
     "https://api.cloud.com/casodata" 
     @functions_framework 
     . 
     cloud_event 
     def 
      
     main 
     ( 
     cloud_event 
     ): 
      
     """ 
     Cloud Run function triggered by Pub/Sub to fetch logs from Citrix Analytics API and write to GCS. 
     Args: 
     cloud_event: CloudEvent object containing Pub/Sub message 
     """ 
     # Get environment variables 
     bucket_name 
     = 
     os 
     . 
     environ 
     . 
     get 
     ( 
     'GCS_BUCKET' 
     ) 
     prefix 
     = 
     os 
     . 
     environ 
     . 
     get 
     ( 
     'GCS_PREFIX' 
     , 
     'citrix_analytics' 
     ) 
     . 
     strip 
     ( 
     '/' 
     ) 
     state_key 
     = 
     os 
     . 
     environ 
     . 
     get 
     ( 
     'STATE_KEY' 
     ) 
     or 
     f 
     " 
     { 
     prefix 
     } 
     /state.json" 
     customer_id 
     = 
     os 
     . 
     environ 
     . 
     get 
     ( 
     'CITRIX_CUSTOMER_ID' 
     ) 
     client_id 
     = 
     os 
     . 
     environ 
     . 
     get 
     ( 
     'CITRIX_CLIENT_ID' 
     ) 
     client_secret 
     = 
     os 
     . 
     environ 
     . 
     get 
     ( 
     'CITRIX_CLIENT_SECRET' 
     ) 
     api_base 
     = 
     os 
     . 
     environ 
     . 
     get 
     ( 
     'API_BASE' 
     , 
     DEFAULT_API_BASE 
     ) 
     entities 
     = 
     [ 
     e 
     . 
     strip 
     () 
     for 
     e 
     in 
     os 
     . 
     environ 
     . 
     get 
     ( 
     'ENTITIES' 
     , 
     'sessions,machines,users' 
     ) 
     . 
     split 
     ( 
     ',' 
     ) 
     if 
     e 
     . 
     strip 
     ()] 
     top_n 
     = 
     int 
     ( 
     os 
     . 
     environ 
     . 
     get 
     ( 
     'TOP_N' 
     , 
     '1000' 
     )) 
     lookback_minutes 
     = 
     int 
     ( 
     os 
     . 
     environ 
     . 
     get 
     ( 
     'LOOKBACK_MINUTES' 
     , 
     '75' 
     )) 
     if 
     not 
     all 
     ([ 
     bucket_name 
     , 
     customer_id 
     , 
     client_id 
     , 
     client_secret 
     ]): 
     print 
     ( 
     'Error: Missing required environment variables' 
     ) 
     return 
     try 
     : 
     # Get GCS bucket 
     bucket 
     = 
     storage_client 
     . 
      bucket 
     
     ( 
     bucket_name 
     ) 
     # Determine target hour to collect 
     now 
     = 
     datetime 
     . 
     now 
     ( 
     timezone 
     . 
     utc 
     ) 
     fallback_target 
     = 
     ( 
     now 
     - 
     timedelta 
     ( 
     minutes 
     = 
     lookback_minutes 
     )) 
     . 
     replace 
     ( 
     minute 
     = 
     0 
     , 
     second 
     = 
     0 
     , 
     microsecond 
     = 
     0 
     ) 
     # Load state (last processed timestamp) 
     state 
     = 
     load_state 
     ( 
     bucket 
     , 
     state_key 
     ) 
     last_processed_str 
     = 
      state 
     
     . 
     get 
     ( 
     'last_hour_utc' 
     ) 
     if 
     last_processed_str 
     : 
     last_processed 
     = 
     datetime 
     . 
     fromisoformat 
     ( 
     last_processed_str 
     . 
     replace 
     ( 
     'Z' 
     , 
     '+00:00' 
     )) 
     . 
     replace 
     ( 
     tzinfo 
     = 
     None 
     ) 
     target_hour 
     = 
     last_processed 
     + 
     timedelta 
     ( 
     hours 
     = 
     1 
     ) 
     else 
     : 
     target_hour 
     = 
     fallback_target 
     print 
     ( 
     f 
     'Processing logs for hour: 
     { 
     target_hour 
     . 
     isoformat 
     () 
     } 
     Z' 
     ) 
     # Get authentication token 
     token 
     = 
     get_citrix_token 
     ( 
     customer_id 
     , 
     client_id 
     , 
     client_secret 
     ) 
     headers 
     = 
     { 
     'Authorization' 
     : 
     f 
     'CwsAuth bearer= 
     { 
     token 
     } 
     ' 
     , 
     'Citrix-CustomerId' 
     : 
     customer_id 
     , 
     'Accept' 
     : 
     'application/json' 
     , 
     'Content-Type' 
     : 
     'application/json' 
     , 
     } 
     total_records 
     = 
     0 
     # Process each entity type 
     for 
     entity 
     in 
     entities 
     : 
     records 
     = 
     [] 
     for 
     row 
     in 
     fetch_odata_entity 
     ( 
     entity 
     , 
     target_hour 
     , 
     top_n 
     , 
     headers 
     , 
     api_base 
     ): 
     enriched_record 
     = 
     { 
     'citrix_entity' 
     : 
     entity 
     , 
     'citrix_hour_utc' 
     : 
     target_hour 
     . 
     isoformat 
     () 
     + 
     'Z' 
     , 
     'collection_timestamp' 
     : 
     datetime 
     . 
     now 
     ( 
     timezone 
     . 
     utc 
     ) 
     . 
     isoformat 
     () 
     + 
     'Z' 
     , 
     'raw' 
     : 
     row 
     } 
     records 
     . 
     append 
     ( 
     enriched_record 
     ) 
     # Write in batches to avoid memory issues 
     if 
     len 
     ( 
     records 
     ) 
    > = 
     1000 
     : 
     blob_name 
     = 
     f 
     " 
     { 
     prefix 
     } 
     / 
     { 
      entity 
     
     } 
     /year= 
     { 
     target_hour 
     . 
     year 
     : 
     04d 
     } 
     /month= 
     { 
     target_hour 
     . 
     month 
     : 
     02d 
     } 
     /day= 
     { 
     target_hour 
     . 
     day 
     : 
     02d 
     } 
     /hour= 
     { 
     target_hour 
     . 
     hour 
     : 
     02d 
     } 
     /part- 
     { 
     datetime 
     . 
     now 
     ( 
     timezone 
     . 
     utc 
     ) 
     . 
     strftime 
     ( 
     '%Y%m 
     %d 
     %H%M%S 
     %f 
     ' 
     ) 
     } 
     .ndjson" 
     write_ndjson_to_gcs 
     ( 
     bucket 
     , 
     blob_name 
     , 
     records 
     ) 
     total_records 
     += 
     len 
     ( 
     records 
     ) 
     records 
     = 
     [] 
     # Write remaining records 
     if 
     records 
     : 
     blob_name 
     = 
     f 
     " 
     { 
     prefix 
     } 
     / 
     { 
      entity 
     
     } 
     /year= 
     { 
     target_hour 
     . 
     year 
     : 
     04d 
     } 
     /month= 
     { 
     target_hour 
     . 
     month 
     : 
     02d 
     } 
     /day= 
     { 
     target_hour 
     . 
     day 
     : 
     02d 
     } 
     /hour= 
     { 
     target_hour 
     . 
     hour 
     : 
     02d 
     } 
     /part- 
     { 
     datetime 
     . 
     now 
     ( 
     timezone 
     . 
     utc 
     ) 
     . 
     strftime 
     ( 
     '%Y%m 
     %d 
     %H%M%S 
     %f 
     ' 
     ) 
     } 
     .ndjson" 
     write_ndjson_to_gcs 
     ( 
     bucket 
     , 
     blob_name 
     , 
     records 
     ) 
     total_records 
     += 
     len 
     ( 
     records 
     ) 
     # Update state file 
     save_state 
     ( 
     bucket 
     , 
     state_key 
     , 
     { 
     'last_hour_utc' 
     : 
     target_hour 
     . 
     isoformat 
     () 
     + 
     'Z' 
     }) 
     print 
     ( 
     f 
     'Successfully processed 
     { 
     total_records 
     } 
     records for hour 
     { 
     target_hour 
     . 
     isoformat 
     () 
     } 
     Z' 
     ) 
     except 
     Exception 
     as 
     e 
     : 
     print 
     ( 
     f 
     'Error processing logs: 
     { 
     str 
     ( 
     e 
     ) 
     } 
     ' 
     ) 
     raise 
     def 
      
     get_citrix_token 
     ( 
     customer_id 
     , 
     client_id 
     , 
     client_secret 
     ): 
      
     """Get Citrix Cloud authentication token.""" 
     url 
     = 
     CITRIX_TOKEN_URL_TMPL 
     . 
     format 
     ( 
     customerid 
     = 
     customer_id 
     ) 
     payload 
     = 
     { 
     'grant_type' 
     : 
     'client_credentials' 
     , 
     'client_id' 
     : 
     client_id 
     , 
     'client_secret' 
     : 
     client_secret 
     , 
     } 
     data 
     = 
     urllib 
     . 
     parse 
     . 
     urlencode 
     ( 
     payload 
     ) 
     . 
     encode 
     ( 
     'utf-8' 
     ) 
     response 
     = 
     http 
     . 
     request 
     ( 
     'POST' 
     , 
     url 
     , 
     body 
     = 
     data 
     , 
     headers 
     = 
     { 
     'Accept' 
     : 
     'application/json' 
     , 
     'Content-Type' 
     : 
     'application/x-www-form-urlencoded' 
     , 
     } 
     ) 
     token_response 
     = 
     json 
     . 
     loads 
     ( 
     response 
     . 
     data 
     . 
     decode 
     ( 
     'utf-8' 
     )) 
     return 
     token_response 
     [ 
     'access_token' 
     ] 
     def 
      
     fetch_odata_entity 
     ( 
     entity 
     , 
     when_utc 
     , 
     top 
     , 
     headers 
     , 
     api_base 
     ): 
      
     """Fetch data from Citrix Analytics OData API with pagination.""" 
     year 
     = 
     when_utc 
     . 
     year 
     month 
     = 
     when_utc 
     . 
     month 
     day 
     = 
     when_utc 
     . 
     day 
     hour 
     = 
     when_utc 
     . 
     hour 
     base_url 
     = 
     f 
     " 
     { 
     api_base 
     . 
     rstrip 
     ( 
     '/' 
     ) 
     } 
     / 
     { 
      entity 
     
     } 
     ?year= 
     { 
     year 
     : 
     04d 
     } 
    & month= 
     { 
     month 
     : 
     02d 
     } 
    & day= 
     { 
     day 
     : 
     02d 
     } 
    & hour= 
     { 
     hour 
     : 
     02d 
     } 
     " 
     skip 
     = 
     0 
     while 
     True 
     : 
     url 
     = 
     f 
     " 
     { 
     base_url 
     } 
    & $top= 
     { 
     top 
     } 
    & $skip= 
     { 
     skip 
     } 
     " 
     response 
     = 
     http 
     . 
     request 
     ( 
     'GET' 
     , 
     url 
     , 
     headers 
     = 
     headers 
     ) 
     data 
     = 
     json 
     . 
     loads 
     ( 
     response 
     . 
     data 
     . 
     decode 
     ( 
     'utf-8' 
     )) 
     items 
     = 
     data 
     . 
     get 
     ( 
     'value' 
     , 
     []) 
     if 
     not 
     items 
     : 
     break 
     for 
     item 
     in 
     items 
     : 
     yield 
     item 
     if 
     len 
     ( 
     items 
     ) 
    < top 
     : 
     break 
     skip 
     += 
     top 
     def 
      
     load_state 
     ( 
     bucket 
     , 
     key 
     ): 
      
     """Load state from GCS.""" 
     try 
     : 
     blob 
     = 
     bucket 
     . 
     blob 
     ( 
     key 
     ) 
     if 
     blob 
     . 
     exists 
     (): 
     state_data 
     = 
     blob 
     . 
      download_as_text 
     
     () 
     return 
     json 
     . 
     loads 
     ( 
     state_data 
     ) 
     except 
     Exception 
     as 
     e 
     : 
     print 
     ( 
     f 
     'Warning: Could not load state: 
     { 
     str 
     ( 
     e 
     ) 
     } 
     ' 
     ) 
     return 
     {} 
     def 
      
     save_state 
     ( 
     bucket 
     , 
     key 
     , 
     state 
     ): 
      
     """Save state to GCS.""" 
     try 
     : 
     blob 
     = 
     bucket 
     . 
     blob 
     ( 
     key 
     ) 
     blob 
     . 
      upload_from_string 
     
     ( 
     json 
     . 
     dumps 
     ( 
     state 
     , 
     separators 
     = 
     ( 
     ',' 
     , 
     ':' 
     )), 
     content_type 
     = 
     'application/json' 
     ) 
     except 
     Exception 
     as 
     e 
     : 
     print 
     ( 
     f 
     'Warning: Could not save state: 
     { 
     str 
     ( 
     e 
     ) 
     } 
     ' 
     ) 
     def 
      
     write_ndjson_to_gcs 
     ( 
     bucket 
     , 
     key 
     , 
     records 
     ): 
      
     """Write records as NDJSON to GCS.""" 
     body_lines 
     = 
     [] 
     for 
     record 
     in 
     records 
     : 
     json_line 
     = 
     json 
     . 
     dumps 
     ( 
     record 
     , 
     separators 
     = 
     ( 
     ',' 
     , 
     ':' 
     ), 
     ensure_ascii 
     = 
     False 
     ) 
     body_lines 
     . 
     append 
     ( 
     json_line 
     ) 
     body 
     = 
     ( 
     ' 
     \n 
     ' 
     . 
     join 
     ( 
     body_lines 
     ) 
     + 
     ' 
     \n 
     ' 
     ) 
     . 
     encode 
     ( 
     'utf-8' 
     ) 
     blob 
     = 
     bucket 
     . 
     blob 
     ( 
     key 
     ) 
     blob 
     . 
      upload_from_string 
     
     ( 
     body 
     , 
     content_type 
     = 
     'application/x-ndjson' 
     ) 
     
    
    • Second file: requirements.txt:
      functions 
     - 
     framework 
     == 
     3 
     .* 
     google 
     - 
     cloud 
     - 
     storage 
     == 
     2 
     .* 
     urllib3 
    > = 
     2.0 
     . 
     0 
     
    
  3. Click Deployto save and deploy the function.

  4. Wait for deployment to complete (2-3 minutes).

Create Cloud Scheduler job

Cloud Scheduler publishes messages to the Pub/Sub topic at regular intervals, triggering the Cloud Run function.

  1. In the GCP Console, go to Cloud Scheduler.
  2. Click Create Job.
  3. Provide the following configuration details:

    Setting Value
    Name citrix-analytics-collector-hourly
    Region Select same region as Cloud Run function
    Frequency 0 * * * * (every hour, on the hour)
    Timezone Select timezone (UTC recommended)
    Target type Pub/Sub
    Topic Select the topic citrix-analytics-trigger
    Message body {} (empty JSON object)
  4. Click Create.

Schedule frequency options

  • Choose frequency based on log volume and latency requirements:

    Frequency Cron Expression Use Case
    Every hour
    0 * * * * Standard (recommended)
    Every 2 hours
    0 */2 * * * Lower volume
    Every 6 hours
    0 */6 * * * Low volume, batch processing

Test the scheduler job

  1. In the Cloud Schedulerconsole, find your job.
  2. Click Force runto trigger manually.
  3. Wait a few seconds and go to Cloud Run > Services > citrix-analytics-collector > Logs.
  4. Verify the function executed successfully.
  5. Check the GCS bucket to confirm logs were written.

Google SecOps uses a unique service account to read data from your GCS bucket. You must grant this service account access to your bucket.

  1. Go to SIEM Settings > Feeds.
  2. Click Add New Feed.
  3. Click Configure a single feed.
  4. In the Feed namefield, enter a name for the feed (for example, Citrix Analytics Performance logs ).
  5. Select Google Cloud Storage V2as the Source type.
  6. Select Citrix Analyticsas the Log type.
  7. Click Get Service Account. A unique service account email will be displayed, for example: chronicle-12345678@chronicle-gcp-prod.iam.gserviceaccount.com

  8. Copy this email address for use in the next step.

The Google SecOps service account needs Storage Object Viewerrole on your GCS bucket.

  1. Go to Cloud Storage > Buckets.
  2. Click your bucket name.
  3. Go to the Permissionstab.
  4. Click Grant access.
  5. Provide the following configuration details:
    • Add principals: Paste the Google SecOps service account email.
    • Assign roles: Select Storage Object Viewer.
  6. Click Save.

Configure a feed in Google SecOps to ingest Citrix Analytics logs

  1. Go to SIEM Settings > Feeds.
  2. Click Add New Feed.
  3. Click Configure a single feed.
  4. In the Feed namefield, enter a name for the feed (for example, Citrix Analytics logs ).
  5. Select Google Cloud Storage V2as the Source type.
  6. Select Citrix Analyticsas the Log type.
  7. Click Next.
  8. Specify values for the following input parameters:

    • Storage bucket URL: Enter the GCS bucket URI with the prefix path:

       gs://citrix-analytics-logs/citrix_analytics/ 
      
      • Replace:

        • citrix-analytics-logs : Your GCS bucket name.
        • citrix_analytics : Optional prefix/folder path where logs are stored (leave empty for root).
      • Examples:

        • Root bucket: gs://citrix-analytics-logs/
        • With prefix: gs://citrix-analytics-logs/citrix_analytics/
    • Source deletion option: Select the deletion option according to your preference:

      • Never: Never deletes any files after transfers (recommended for testing).
      • Delete transferred files: Deletes files after successful transfer.
      • Delete transferred files and empty directories: Deletes files and empty directories after successful transfer.

    • Maximum File Age: Include files modified in the last number of days. Default is 180 days.

    • Asset namespace: The asset namespace .

    • Ingestion labels: The label to be applied to the events from this feed.

  9. Click Next.

  10. Review your new feed configuration in the Finalizescreen, and then click Submit.

Need more help? Get answers from Community members and Google SecOps professionals.

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