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When I do:
scope = 'https://www.googleapis.com/auth/cloud-platform'
Google::Auth.get_application_default([scope])
vertex_ai_service = Google::Apis::AiplatformV1::AiplatformService.new
vertex_ai_service.authorization = authorization
# Project and location details
project_id = "sul-ai-sandbox"
location = "us-central1" # Change as appropriate
# Resource name for the model
model_id = "text-embedding-004"
endpoint = "projects/#{project_id}/locations/#{location}/publishers/google/models/#{model_id}"
response = vertex_ai_service.predict_project_location_publisher_model(
endpoint,
request_body
)This gives this output, and eventually a 503 error:
Sending HTTP post https://aiplatform.googleapis.com/v1/projects/sul-ai-sandbox/locations/us-central1/publishers/google/models/text-embedding-004:predict?
I noticed the hostname used in the log is not what is listed in https://cloud.google.com/vertex-ai/generative-ai/docs/embeddings/get-text-embeddings#generative-ai-get-text-embedding-drest.
So, it seems to work if I do:
vertex_ai_service.root_url = "https://us-central1-aiplatform.googleapis.com/"I didn't see this documented anywhere or if this is the supported way of doing this. In any case it's a challenge to find this invocation.
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