65일차 실습자료

2026-10-13 17:09:59 +09:00
1 parent d6a6c62a3f
commit 152344cb13
@@ -0,0 +1,45 @@
+#!/usr/bin/env bash
+# Register the course credentials in n8n from the .env file, so the API key is never typed into
+# a workflow or committed to git.
+#   cd Last3Mon/65/n8n && docker compose up -d && bash register-credentials.sh
+#
+# Creates (or updates) two credentials with fixed ids that the course workflows already use:
+#   OpenAI (.env)  id openAiCourse0001  <- OPENAI_API_KEY (and OPENAI_BASE_URL if set)
+#   Ollama local   id ollamaLocal0001   <- http://ollama:11434 (fallback model)
+#
+# Outage drill (day 72): OPENAI_API_KEY=sk-invalid-key-for-drill-000000 bash register-credentials.sh
+# Restore: bash register-credentials.sh
+set -euo pipefail
+cd "$(dirname "$0")"
+
+# The nearest .env (this folder first, then the folders above) that has OPENAI_API_KEY.
+env_file=""
+dir="$PWD"
+while [ "$dir" != "/" ]; do
+  if [ -f "$dir/.env" ] && grep -q '^OPENAI_API_KEY=' "$dir/.env"; then
+    env_file="$dir/.env"
+    break
+  fi
+  dir="$(dirname "$dir")"
+done
+if [ -z "$env_file" ]; then
+  echo "No .env with OPENAI_API_KEY found. Copy Last3Mon/.env.example to Last3Mon/.env and fill it in." >&2
+  exit 1
+fi
+
+value() { { grep -E "^$1=" "$env_file" || true; } | tail -1 | cut -d= -f2- | sed -e 's/^["'\'']//' -e 's/["'\'']$//'; }
+key="${OPENAI_API_KEY:-$(value OPENAI_API_KEY)}"   # a key exported in the shell wins (used for outage drills)
+base_url="$(value OPENAI_BASE_URL)"
+base_url="${base_url:-https://api.openai.com/v1}"
+if ! printf '%s' "$key" | grep -Eq '^[A-Za-z0-9_-]{20,}$'; then
+  echo "OPENAI_API_KEY in $env_file is empty or does not look like an API key." >&2
+  exit 1
+fi
+
+credentials=$(printf '[{"id":"openAiCourse0001","name":"OpenAI (.env)","type":"openAiApi","data":{"apiKey":"%s","url":"%s"}},{"id":"ollamaLocal0001","name":"Ollama local","type":"ollamaApi","data":{"baseUrl":"http://ollama:11434"}}]' "$key" "$base_url")
+
+# The JSON goes through stdin into a temporary file inside the container, then is deleted.
+printf '%s' "$credentials" | docker compose exec -T n8n sh -c \
+  'cat > /tmp/course-credentials.json && n8n import:credentials --input=/tmp/course-credentials.json; status=$?; rm -f /tmp/course-credentials.json; exit $status'
+
+echo "Registered 'OpenAI (.env)' and 'Ollama local' from $env_file"