Google Cloud Storage (GCS)

Set up an import job to ingest data into Arize from GCS
If you prefer to use Terraform, jump to Applying Bucket Policy & Tag via Terraform 
Set up an import job to log inference files to Arize. Updates to files are checked every 10 seconds. Users generally find a sweet spot around a few hundred thousand to a million rows in each file with the total file limit being 1GB.
Step 1. Select Google Storage
Navigate to the 'Upload Data' page on the left navigation bar in the Arize platform. From there, select the 'GCS' card to begin a new file import job. 
Step 1: Pick GCS 
Step 2.  Specify File Path
Get File Path In GCS: 
Within your project, navigate to the folder you wish to ingest and click on a file to easily copy your file path. 
Copy File Path From GCS
In Arize UI:
Paste the file path where you would like Arize to pull your model's inferences. Arize will automatically infer your bucket name and prefix (based on the folder). 
Note: The file path must start with gs://
Example File Path In Arize UI
In this simple example, your GCS path is gs://docs-example-bucket/production/ that contains parquet files of your model inferences. 
The file structure can take into consideration various model environments (training, production, etc) and locations of ground truth. In addition, GCS bucket import allows recursive operations. This means that it will include all nested subdirectories within the specified bucket prefix, regardless of the number or depth of these directories.
Example 1: Predictions & Actuals Stored in Separate Folders (different prefixes)
This example contains model predictions and actuals in separate files. This helps in cases of delayed actuals. Learn more here. 
gs://bucket1/click-thru-rate/production/
├── prediction-folder/
│   ├── 12-1-2022.parquet #this file can contain multiple versions
│   ├── 12-2-2022.parquet
│   ├── 12-3-2022.parquet
├── actuals-folder/
│   ├── 12-1-2022.parquet
│   ├── 12-2-2022.parquet
│   └── 12-3-2022.parquet
Example 2: Production & Training Stored in Separate Folders
This example separates model environments (production and training). 
gs://bucket1/click-thru-rate/v1/
├── production-folder/
│   ├── 12-1-2022.parquet 
│   ├── 12-2-2022.parquet
│   ├── 12-3-2022.parquet
├── training-folder/
│   ├── 12-1-2022.parquet
│   ├── 12-2-2022.parquet
│   └── 12-3-2022.parquet
Step 3. Add GCS Project ID 
The GCS Project ID is a unique identifier for a project. See GCS Docs for steps on how to retrieve this ID.  
Example Project ID In Arize UI
Step 4. Add Proof of Ownership To Your GCS Bucket
Tag your GCS bucket with the key arize-ingestion-key and the provided tag value. For more details, see docs on Using Bucket Labels.
1) In Arize UI: Copy arize-ingestion-key value
Copy Arize Ingestion Key From Arize UI
2) In Google Cloud console: Navigate to Cloud Storage
Here, you will see a list of your buckets. Find the bucket matching the bucket name set in your job (step 2), select the button for more options, and update the label of the bucket to include the arize-ingestion-key.
Key: arize-ingestion-key
Value: arize-ingestion-key value from the Arize UI
Step 5. Grant Arize Access Privileges
Create a custom role and copy the command from the Custom IAM Role field in Arize UI. 
Copy Custom IAM Role From Arize UI
Paste and run the above gcloud commands in Google Cloud Shell. Be sure to set --project to your project id.
Start the Google Cloud Shell
Create the IAM Role
Grant Arize access to the custom role
Copy the command from the Apply IAM Permission Field in the Arize UI.
Copy IAM Permission From Arize UI 
Paste and run the above gsutil command in the Google Cloud Shell. Be sure to update your project id in the service account path.
Apply the IAM Permissions
Step 6a. Define Your Model Schema
Model schema parameters are a way of organizing model inference data to ingest to Arize. When configuring your schema, be sure to match your data column headers with the model schema. 
Either use a form or a simple JSON-based schema to specify the column mapping.  
Arize supports CSV, Parquet, Avro, and Apache Arrow. Refer here for a list of the expected data types by input type. 
Set up model configurations
Map your file using form inputs
Map your file using a JSON schema
Learn more about Schema fields here.
6b. Validate Your Model Schema
Once you fill in your applicable predictions, actuals, and model inputs, click 'Validate Schema' to visualize your model schema in the Arize UI. Check that your column names and corresponding data match for a successful import job. 
File Preview in UI
Learn more about Schema fields here.
Once finished, your import job will be created and will start polling your bucket for files. 
If your model receives delayed actuals, connect your predictions and actuals using the same prediction ID, which links your data together in the Arize platform. Arize regularly checks your data source for both predictions and actuals, and ingests them separately as they become available. Learn more here.
Step 7. Check Job Status
Arize will attempt a dry run to validate your job for any access, schema, or record-level errors. If the dry run is successful, you can proceed to create the import job. From there, you will be taken to the 'Job Status' tab.
All active jobs will regularly sync new data from your data source with Arize. You can view the job details by clicking on the job ID, which reveals more information about the job.
Job Status tab showing job listings
To pause, delete, or edit your file schema, click on 'Job Options'.
Delete a job if it is no longer needed or if you made an error connecting to the wrong bucket. This will set your job status as 'deleted' in Arize. 
Pause a job if you have a set cadence to update your table. This way, you can 'start job' when you know there will be new data to reduce query costs. This will set your job status as 'inactive' in Arize. 
Edit a file schema if you have added, renamed, or missed a column in the original schema declaration.
Step 8. Troubleshoot Import Job
An import job may run into a few problems. Use the dry run and job details UI to troubleshoot and quickly resolve data ingestion issues. 
Validation Errors
If there is an error validating a file the model schema, Arize will surface an actionable error message. From there, click on the 'Fix Schema' button to adjust your model schema. 
Dry Run File/Table Passes But The Job Fails 
If your dry run is successful, but your job fails, click on the job ID to view the job details. This uncovers job details such as information about the file path or query id, the last import job, potential errors, and error locations. 
Once you've identified the job failure point, fix the file errors and reupload the file to Arize with a new name. 
Applying Bucket Policy & Tag via Terraform
resource "google_storage_bucket" "arize-example-bucket" {
  // (optional) uniform_bucket_level_access = true
  name           = "arize-example-bucket"
  project        = google_project.development.project_id
  labels         = {
    "arize-ingestion-key" = "value_from_arize_ui"
  }
}
​
resource "google_project_iam_custom_role" "arize-example-bucket" {
  description = "permission to view storage bucket, and view and list objects"
  permissions = [
    "storage.buckets.get",
    "storage.objects.get",
    "storage.objects.list"
  ]
  project = google_project.development.project_id
  role_id = "FileImporterViewer"
  title   = "File Importer Viewer"
  stage   = "ALPHA"
}
​
resource "google_storage_bucket_iam_binding" "arize-example-bucket-iam-binding" {
  bucket = google_storage_bucket.arize-example-bucket.name
  role = "projects/<PROJECT_ID>/roles/FileImporterViewer"
  members = [
    "serviceAccount:[email protected]",
  ]
}
​
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