fix: 07-rag-setup.sh — REST API corpus creation, RAG_REGION=europe-west4 default (no SDK needed)
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@ -1,6 +1,7 @@
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#!/usr/bin/env bash
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# 07-rag-setup.sh — Create Vertex AI RAG Engine corpus in Serverless mode
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# Serverless = RagManagedDb (no Spanner, no allowlist needed)
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# Uses REST API directly — no SDK version dependency
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# RAG_REGION defaults to europe-west4 (Serverless available, no allowlist)
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# Idempotent — safe to run multiple times
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# Source .env before running: source .env
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@ -10,11 +11,12 @@ set -euo pipefail
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: "${REGION:?Set REGION}"
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: "${RAG_CORPUS_DISPLAY_NAME:?Set RAG_CORPUS_DISPLAY_NAME}"
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RAG_REGION="${RAG_REGION:-${REGION}}"
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# europe-west4: Serverless RAG available, no allowlist, gemini-2.0-flash + 2.5-pro present
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RAG_REGION="${RAG_REGION:-europe-west4}"
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echo "=== 07: Setting up Vertex AI RAG Engine (Serverless mode) ==="
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echo " Project : ${PROJECT_ID}"
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echo " Region : ${RAG_REGION}"
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echo " Region : ${RAG_REGION} (override with RAG_REGION= if needed)"
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echo " Corpus : ${RAG_CORPUS_DISPLAY_NAME}"
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echo ""
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@ -25,11 +27,6 @@ gcloud services enable aiplatform.googleapis.com \
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--project="${PROJECT_ID}" --quiet
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echo "✓ APIs enabled"
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# ── Upgrade SDK to ensure RagManagedDb support ───────────────────────────────
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echo " Upgrading google-cloud-aiplatform SDK..."
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pip install --quiet --upgrade google-cloud-aiplatform
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echo "✓ SDK upgraded"
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# ── GCS bucket (idempotent) ──────────────────────────────────────────────
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CORPUS_BUCKET="${PROJECT_ID}-agent-corpus"
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if ! gsutil ls -b "gs://${CORPUS_BUCKET}" &>/dev/null; then
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@ -48,136 +45,114 @@ else
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echo " No seed documents in docs/corpus-seed/ — skipping"
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fi
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# ── Python: create corpus ────────────────────────────────────────────────────
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python3 - << 'PYEOF'
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import os, sys
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# ── REST: check if corpus exists ───────────────────────────────────────────
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TOKEN=$(gcloud auth print-access-token)
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API="https://${RAG_REGION}-aiplatform.googleapis.com/v1beta1"
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PARENT="projects/${PROJECT_ID}/locations/${RAG_REGION}"
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try:
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import vertexai
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from vertexai.preview import rag
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except ImportError:
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print("ERROR: google-cloud-aiplatform not installed.")
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sys.exit(1)
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echo " Checking for existing corpus..."
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EXISTING=$(curl -sf -H "Authorization: Bearer ${TOKEN}" \
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"${API}/${PARENT}/ragCorpora" 2>/dev/null || echo '{}')
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PROJECT_ID = os.environ["PROJECT_ID"]
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RAG_REGION = os.environ.get("RAG_REGION", os.environ["REGION"])
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DISPLAY_NAME = os.environ["RAG_CORPUS_DISPLAY_NAME"]
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CORPUS_BUCKET = f"{PROJECT_ID}-agent-corpus"
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CORPUS_NAME=$(echo "${EXISTING}" | python3 -c "
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import sys, json
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data = json.load(sys.stdin)
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for c in data.get('ragCorpora', []):
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if c.get('displayName') == '${RAG_CORPUS_DISPLAY_NAME}':
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print(c['name'])
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break
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" 2>/dev/null || true)
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vertexai.init(project=PROJECT_ID, location=RAG_REGION)
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if [[ -n "${CORPUS_NAME}" ]]; then
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echo "✓ RAG corpus already exists: ${CORPUS_NAME}"
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else
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echo " Creating corpus '${RAG_CORPUS_DISPLAY_NAME}' in ${RAG_REGION} (Serverless/REST)..."
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# Check if corpus already exists
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corpus = None
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try:
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for c in rag.list_corpora():
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if c.display_name == DISPLAY_NAME:
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corpus = c
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print(f"✓ RAG corpus already exists: {c.name}")
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break
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except Exception as e:
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print(f"WARNING: Could not list corpora: {e}")
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RESPONSE=$(curl -sf -X POST \
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-H "Authorization: Bearer ${TOKEN}" \
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-H "Content-Type: application/json" \
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"${API}/${PARENT}/ragCorpora" \
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-d '{
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"displayName": "'"${RAG_CORPUS_DISPLAY_NAME}"'",
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"ragEmbeddingModelConfig": {
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"vertexPredictionEndpoint": {
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"publisherModel": "publishers/google/models/text-embedding-005"
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}
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},
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"ragVectorDbConfig": {
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"ragManagedDb": {}
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}
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}')
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if corpus is None:
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print(f" Creating corpus '{DISPLAY_NAME}' in {RAG_REGION}...")
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embedding_config = rag.EmbeddingModelConfig(
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publisher_model="publishers/google/models/text-embedding-005"
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)
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# REST create returns an LRO — poll until done
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OPERATION=$(echo "${RESPONSE}" | python3 -c "import sys,json; print(json.load(sys.stdin).get('name',''))" 2>/dev/null || true)
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# Attempt order:
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# 1. SDK >= 1.87 : RagVectorDbConfig(rag_managed_db=RagManagedDb())
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# 2. Older SDK : RagVectorDbConfig(rag_managed_db=RagManagedDbConfig())
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# 3. REST fallback: gapic-style with vector_db proto dict
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attempts = ["new_sdk", "old_sdk", "proto_dict"]
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for attempt in attempts:
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try:
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if attempt == "new_sdk":
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vector_db = rag.RagVectorDbConfig(
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rag_managed_db=rag.RagManagedDb()
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)
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corpus = rag.create_corpus(
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display_name=DISPLAY_NAME,
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embedding_model_config=embedding_config,
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vector_db=vector_db,
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)
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if [[ -z "${OPERATION}" ]]; then
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echo "ERROR: No operation returned. Response:"
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echo "${RESPONSE}"
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exit 1
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fi
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elif attempt == "old_sdk":
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# Some SDK versions use RagManagedDbConfig instead
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RagManagedDbConfig = getattr(rag, "RagManagedDbConfig", None)
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if RagManagedDbConfig is None:
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raise AttributeError("RagManagedDbConfig not in this SDK version")
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vector_db = rag.RagVectorDbConfig(
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rag_managed_db=RagManagedDbConfig()
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)
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corpus = rag.create_corpus(
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display_name=DISPLAY_NAME,
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embedding_model_config=embedding_config,
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vector_db=vector_db,
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)
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echo " Waiting for LRO: ${OPERATION}"
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for i in $(seq 1 30); do
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sleep 10
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LRO=$(curl -sf -H "Authorization: Bearer ${TOKEN}" \
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"https://${RAG_REGION}-aiplatform.googleapis.com/v1beta1/${OPERATION}" 2>/dev/null || echo '{}')
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DONE=$(echo "${LRO}" | python3 -c "import sys,json; print(json.load(sys.stdin).get('done','false'))" 2>/dev/null || echo 'false')
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if [[ "${DONE}" == "True" ]] || [[ "${DONE}" == "true" ]]; then
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CORPUS_NAME=$(echo "${LRO}" | python3 -c "
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import sys, json
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d = json.load(sys.stdin)
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print(d.get('response', {}).get('name', '') or d.get('metadata', {}).get('genericMetadata', {}).get('updateTime', ''))
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" 2>/dev/null || true)
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# Fallback: re-list to get name
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if [[ -z "${CORPUS_NAME}" ]] || [[ "${CORPUS_NAME}" != *ragCorpora* ]]; then
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CORPUS_NAME=$(curl -sf -H "Authorization: Bearer ${TOKEN}" \
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"${API}/${PARENT}/ragCorpora" 2>/dev/null \
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| python3 -c "
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import sys, json
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data = json.load(sys.stdin)
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for c in data.get('ragCorpora', []):
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if c.get('displayName') == '${RAG_CORPUS_DISPLAY_NAME}':
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print(c['name'])
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break
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" 2>/dev/null || true)
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fi
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echo "✓ RAG corpus created: ${CORPUS_NAME}"
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break
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fi
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echo " ... still waiting (${i}/30)"
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done
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elif attempt == "proto_dict":
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# Last resort: pass vector_db as a plain dict understood by gapic
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from google.cloud.aiplatform_v1beta1.types import (
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RagCorpus, RagVectorDbConfig, RagManagedDb,
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RagEmbeddingModelConfig
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)
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from google.cloud import aiplatform_v1beta1 as aip
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if [[ -z "${CORPUS_NAME}" ]]; then
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echo "ERROR: Corpus creation timed out or failed."
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exit 1
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fi
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fi
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client = aip.VertexRagDataServiceClient(
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client_options={"api_endpoint": f"{RAG_REGION}-aiplatform.googleapis.com"}
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)
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parent = f"projects/{PROJECT_ID}/locations/{RAG_REGION}"
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rag_corpus = RagCorpus(
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display_name=DISPLAY_NAME,
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rag_embedding_model_config=RagEmbeddingModelConfig(
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vertex_prediction_endpoint=RagEmbeddingModelConfig.VertexPredictionEndpoint(
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publisher_model="publishers/google/models/text-embedding-005"
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)
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),
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rag_vector_db_config=RagVectorDbConfig(
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rag_managed_db=RagManagedDb()
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),
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)
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op = client.create_rag_corpus(parent=parent, rag_corpus=rag_corpus)
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result = op.result()
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# Wrap in a simple namespace so rest of script works
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class _C:
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name = result.name
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corpus = _C()
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# ── Import seed docs via REST ─────────────────────────────────────────────
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GCS_URI="gs://${CORPUS_BUCKET}/seed/"
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curl -sf -X POST \
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-H "Authorization: Bearer ${TOKEN}" \
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-H "Content-Type: application/json" \
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"${API}/${CORPUS_NAME}:importRagFiles" \
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-d '{
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"importRagFilesConfig": {
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"gcsSource": { "uris": ["'"${GCS_URI}"'"] },
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"ragFileChunkingConfig": { "chunkSize": 512, "chunkOverlap": 50 }
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}
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}' &>/dev/null && echo "✓ Seed import triggered (async)" || echo " WARNING: Seed import skipped (non-fatal)"
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print(f"✓ RAG corpus created [{attempt}]: {corpus.name}")
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break
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except Exception as e:
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if attempt == attempts[-1]:
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print(f"ERROR: All attempts failed. Last error: {e}")
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sys.exit(1)
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print(f" [{attempt}] failed: {e} — trying next method...")
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# Import seed documents (non-fatal)
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gcs_uri = f"gs://{CORPUS_BUCKET}/seed/"
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try:
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rag.import_files(
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corpus_name=corpus.name,
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paths=[gcs_uri],
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chunk_size=512,
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chunk_overlap=50,
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max_embedding_requests_per_min=900,
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)
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print(f"✓ Documents imported from {gcs_uri}")
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except Exception as e:
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print(f" WARNING: Document import skipped: {e}")
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with open("/tmp/rag_corpus_name.txt", "w") as f:
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f.write(corpus.name)
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print(f"")
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print(f" Corpus resource name : {corpus.name}")
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print(f" Region : {RAG_REGION}")
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print(f"")
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print(f" ACTION REQUIRED — add to .env:")
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print(f' export RAG_CORPUS_NAME="{corpus.name}"')
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PYEOF
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# ── Write output ──────────────────────────────────────────────────────────────────
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echo "${CORPUS_NAME}" > /tmp/rag_corpus_name.txt
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echo ""
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echo " Corpus resource name : ${CORPUS_NAME}"
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echo " Region : ${RAG_REGION}"
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echo ""
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echo " ACTION REQUIRED — add to .env:"
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echo " export RAG_CORPUS_NAME=\"${CORPUS_NAME}\""
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echo " export RAG_REGION=\"${RAG_REGION}\""
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echo ""
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echo "=== 07: RAG Engine setup COMPLETE ==="
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echo " View: https://console.cloud.google.com/vertex-ai/rag?project=${PROJECT_ID}"
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