Elasticsearch (#17188)

install/elasticsearch-install.sh

@@ -0,0 +1,70 @@
+#!/usr/bin/env bash
+
+# Copyright (c) 2021-2026 community-scripts ORG
+# Author: MickLesk (CanbiZ)
+# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
+# Source: https://www.elastic.co/elasticsearch
+
+source /dev/stdin <<<"$FUNCTIONS_FILE_PATH"
+color
+verb_ip6
+catch_errors
+setting_up_container
+network_check
+update_os
+
+# vm.max_map_count is not namespaced, so a container cannot raise it - the value
+# is inherited from the Proxmox host. Elasticsearch refuses to start below the
+# required limit once it binds to a non-loopback address (production mode).
+msg_info "Checking Kernel Limits"
+if (($(sysctl -n vm.max_map_count) < 262144)); then
+  msg_error "vm.max_map_count is $(sysctl -n vm.max_map_count), Elasticsearch needs at least 262144"
+  msg_error "Set it on the PROXMOX HOST, not in this container:"
+  msg_error "  echo 'vm.max_map_count=1048576' >/etc/sysctl.d/99-elasticsearch.conf && sysctl --system"
+  exit 1
+fi
+msg_ok "Checked Kernel Limits"
+
+JAVA_VERSION="21" setup_java
+
+setup_deb822_repo \
+  "elasticsearch" \
+  "https://artifacts.elastic.co/GPG-KEY-elasticsearch" \
+  "https://artifacts.elastic.co/packages/9.x/apt" \
+  "stable" \
+  "main"
+
+msg_info "Installing Elasticsearch"
+$STD apt install -y elasticsearch
+msg_ok "Installed Elasticsearch"
+
+msg_info "Configuring Elasticsearch"
+mkdir -p /opt/elasticsearch_data
+chown -R elasticsearch:elasticsearch /opt/elasticsearch_data
+cat <<EOF >/etc/elasticsearch/elasticsearch.yml
+cluster.name: proxmox
+node.name: ${HOSTNAME}
+path.data: /opt/elasticsearch_data
+path.logs: /var/log/elasticsearch
+
+network.host: 0.0.0.0
+http.port: 9200
+discovery.type: single-node
+
+xpack.security.enabled: true
+xpack.security.enrollment.enabled: true
+xpack.security.http.ssl.enabled: false
+xpack.security.transport.ssl.enabled: false
+EOF
+
+cat <<EOF >/etc/elasticsearch/jvm.options.d/heap.options
+-Xms1g
+-Xmx1g
+EOF
+systemctl enable -q --now elasticsearch
+msg_ok "Configured Elasticsearch"
+
+
+motd_ssh
+customize
+cleanup_lxc