Adding esphome display

esphome/send_message.sh

@@ -0,0 +1,35 @@
+#!/usr/bin/env bash
+# Exit on error
+set -e
+
+CDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+
+# Read the token from the home-assistant secrets folder
+TOKEN_FILE="${CDIR}/../k8s/home-assistant/tmp_long_lived_token.secret.yml"
+
+if [ ! -f "$TOKEN_FILE" ]; then
+  echo "Error: Home Assistant token file not found at $TOKEN_FILE."
+  exit 1
+fi
+
+# Extract the token (grab the line that is not a comment)
+TOKEN=$(grep -v '^#' "$TOKEN_FILE" | tr -d '\n' | tr -d '\r' | xargs)
+
+if [ -z "$TOKEN" ]; then
+  echo "Error: Token extracted from $TOKEN_FILE is empty."
+  exit 1
+fi
+
+# Get the message from arguments
+MESSAGE="${1:-"Hello from command line!"}"
+
+echo "Sending message: '$MESSAGE' to Home Assistant (https://hass.moritzgraf.de)..."
+
+# Call the Home Assistant REST API to set the value of the input_text helper
+curl -s -X POST \
+  -H "Authorization: Bearer $TOKEN" \
+  -H "Content-Type: application/json" \
+  -d "{\"entity_id\": \"input_text.epaper_message\", \"value\": \"$MESSAGE\"}" \
+  https://hass.moritzgraf.de/api/services/input_text/set_value
+
+echo -e "\nDone!"