start_roaming_migration.sh

#!/bin/bash

# Script to start a roaming migration workflow instance
# This script sends a POST request to Camunda to start the cloud-host-roaming-workflow

# Configuration
CAMUNDA_BASE_URL="${CAMUNDA_BASE_URL:-http://localhost:8080/engine-rest}"
CAMUNDA_USERNAME="${CAMUNDA_USERNAME:-admin}"
CAMUNDA_PASSWORD="${CAMUNDA_PASSWORD:-admin}"
WORKFLOW_ID="cloud-host-roaming-workflow"

# Host ID to migrate (can be passed as argument or use default)
HOST_ID="${1:-test-host-$(date +%s)}"

echo "=========================================="
echo "Starting Roaming Migration Workflow"
echo "=========================================="
echo "Camunda Base URL: $CAMUNDA_BASE_URL"
echo "Workflow ID: $WORKFLOW_ID"
echo "Host ID: $HOST_ID"
echo ""

# Create the JSON payload for workflow start
PAYLOAD='{
  "variables": {
    "hostId": {
      "value": "'$HOST_ID'",
      "type": "String"
    }
  }
}'

echo "Sending request to Camunda..."
echo ""

# Send the request to start the workflow
RESPONSE=$(curl -s -X POST \
  -H "Content-Type: application/json" \
  -u "$CAMUNDA_USERNAME:$CAMUNDA_PASSWORD" \
  -d "$PAYLOAD" \
  "$CAMUNDA_BASE_URL/process-definition/key/$WORKFLOW_ID/start")

# Parse and display the response
echo "Response:"
echo "$RESPONSE" | jq '.' 2>/dev/null || echo "$RESPONSE"

# Extract the process instance ID if successful
PROCESS_INSTANCE_ID=$(echo "$RESPONSE" | jq -r '.id' 2>/dev/null)

if [ -n "$PROCESS_INSTANCE_ID" ] && [ "$PROCESS_INSTANCE_ID" != "null" ]; then
    echo ""
    echo "=========================================="
    echo "✓ Workflow started successfully!"
    echo "=========================================="
    echo "Process Instance ID: $PROCESS_INSTANCE_ID"
    echo "Host to migrate: $HOST_ID"
    echo ""
    echo "You can monitor the workflow at:"
    echo "  Camunda Cockpit: $CAMUNDA_BASE_URL/../app/cockpit/"
    echo "  Process Instance: $CAMUNDA_BASE_URL/../app/cockpit/#/process-instance/$PROCESS_INSTANCE_ID"
else
    echo ""
    echo "✗ Failed to start workflow!"
    exit 1
fi