Script to delete .kibana indices (#157491)

Co-authored-by: Kibana Machine <42973632+kibanamachine@users.noreply.github.com>
Co-authored-by: Gil Raphaelli <graphaelli@gmail.com>

scripts/delete_kibana_indices.sh

@@ -0,0 +1,57 @@
+#!/bin/bash
+
+# Set the default config file
+DEFAULT_CONFIG_FILE="./config/kibana.dev.yml"
+
+# Check if a config file is provided and use the default if not
+CONFIG_FILE=${1:-$DEFAULT_CONFIG_FILE}
+
+save_and_exit ( ) {
+    # the dev process doesn't restart without a sleep after the HTTP calls, not sure why
+    sleep 1
+
+    echo "Saving config file to trigger a restart..."
+
+    # Touch the config file to trigger a file change
+    touch -c "$CONFIG_FILE"
+
+    exit 0
+}
+
+# Parse the YAML file using grep and sed to extract the required values
+ELASTICSEARCH_HOSTS=$(grep -E '^elasticsearch.hosts: ' "$CONFIG_FILE" | sed 's/.*: //')
+ELASTICSEARCH_USERNAME=$(grep -E '^elasticsearch.username: ' "$CONFIG_FILE" | sed 's/.*: //')
+ELASTICSEARCH_PASSWORD=$(grep -E '^elasticsearch.password: ' "$CONFIG_FILE" | sed 's/.*: //')
+
+# Set default values if the extracted values are empty
+[ -z "$ELASTICSEARCH_HOSTS" ] && ELASTICSEARCH_HOSTS="http://localhost:9200"
+[ -z "$ELASTICSEARCH_USERNAME" ] && ELASTICSEARCH_USERNAME="system_indices_superuser"
+[ -z "$ELASTICSEARCH_PASSWORD" ] && ELASTICSEARCH_PASSWORD="changeme"
+
+# Get the list of indices from the _cat/indices API
+echo "Getting list of indices..."
+INDICES=$(curl -s -X GET "${ELASTICSEARCH_HOSTS}/_cat/indices/.kibana*?format=txt" \
+     -u "${ELASTICSEARCH_USERNAME}:${ELASTICSEARCH_PASSWORD}" | awk '{print $3}')
+if [ $? -ne 0 ]; then
+    echo "Failed to get the list of indices."
+    exit 1
+fi
+
+# Convert the list of indices to a comma-separated list
+INDICES_CSV=$(echo $INDICES | tr ' ' ',')
+
+if [ -z "$INDICES_CSV" ]; then
+    echo "No indices to delete."
+    save_and_exit
+fi
+
+# Execute the DELETE call with curl using the extracted list of indices
+echo "Deleting indices: $INDICES_CSV"
+HTTP_STATUS=$(curl -s -o /dev/null -w "%{http_code}" -X DELETE "${ELASTICSEARCH_HOSTS}/$INDICES_CSV" \
+     -u "${ELASTICSEARCH_USERNAME}:${ELASTICSEARCH_PASSWORD}")
+if [ $? -ne 0 ] && [ "$HTTP_STATUS" != "404" ]; then
+    echo "Failed to delete indices."
+    exit 1
+fi
+
+save_and_exit