LocalAI (#17801)

* Add localai (ct)

* Refactor localai.sh to clean up comments and exports

Removed comments regarding ARM64 support and clarified install script export variables.

* Refactor variable assignments and clean up comments

Rearranged variable assignments and removed comments about SQLite and PostgreSQL.

---------

Co-authored-by: push-app-to-main[bot] <203845782+push-app-to-main[bot]@users.noreply.github.com>
Co-authored-by: CanbiZ (MickLesk) <47820557+MickLesk@users.noreply.github.com>

install/localai-install.sh

@@ -0,0 +1,92 @@
+#!/usr/bin/env bash
+
+# Copyright (c) 2021-2026 community-scripts ORG
+# Author: Bryan Lieberman (BryanCLieberman)
+# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
+# Source: https://localai.io
+
+source /dev/stdin <<<"$FUNCTIONS_FILE_PATH"
+color
+verb_ip6
+catch_errors
+setting_up_container
+network_check
+update_os
+
+msg_info "Installing Dependencies"
+$STD apt install -y \
+  libgomp1 \
+  libopenblas0
+msg_ok "Installed Dependencies"
+
+setup_hwaccel
+var_port="${var_port:-8080}"
+var_auth="${var_auth:-no}"
+var_api_key="${var_api_key:-}"
+if [[ "$var_auth" == "yes" ]]; then
+  setup_postgresql
+  PG_DB_NAME="localai" PG_DB_USER="localai" setup_postgresql_db
+fi
+
+fetch_and_deploy_gh_release "localai" "mudler/LocalAI" "singlefile" "latest" "/opt/localai" "local-ai-v*-linux-$(arch_resolve amd64 arm64)"
+
+msg_info "Configuring LocalAI"
+mkdir -p /opt/localai_data/models /opt/localai_data/backends
+cat <<EOF >/opt/localai.env
+LOCALAI_ADDRESS=0.0.0.0:${var_port}
+LOCALAI_DATA_PATH=/opt/localai_data
+LOCALAI_MODELS_PATH=/opt/localai_data/models
+LOCALAI_BACKENDS_PATH=/opt/localai_data/backends
+LOCALAI_LOG_LEVEL=info
+EOF
+# LocalAI refuses to start on a wildcard bind with nothing to identify callers,
+# and binding the wildcard is what makes the container reachable at all.
+if [[ "$var_auth" == "yes" ]]; then
+  cat <<EOF >>/opt/localai.env
+LOCALAI_AUTH=true
+LOCALAI_AUTH_DATABASE_URL=postgres://${PG_DB_USER}:${PG_DB_PASS}@localhost/${PG_DB_NAME}
+LOCALAI_REGISTRATION_MODE=approval
+EOF
+fi
+# A static key grants admin access on its own, so when it is the only thing
+# guarding the API, generate one rather than leaving the server open.
+if [[ -z "$var_api_key" && "$var_auth" != "yes" ]]; then
+  var_api_key="sk-$(openssl rand -hex 24)"
+  {
+    echo "LocalAI Credentials"
+    echo "API Key: ${var_api_key}"
+  } >>~/localai.creds
+fi
+if [[ -n "$var_api_key" ]]; then
+  echo "LOCALAI_API_KEY=${var_api_key}" >>/opt/localai.env
+else
+  echo "#LOCALAI_API_KEY=" >>/opt/localai.env
+fi
+chmod 600 /opt/localai.env
+msg_ok "Configured LocalAI"
+
+msg_info "Creating Service"
+cat <<EOF >/etc/systemd/system/localai.service
+[Unit]
+Description=LocalAI Server
+Wants=network-online.target
+After=network-online.target
+
+[Service]
+Type=simple
+User=root
+WorkingDirectory=/opt/localai
+EnvironmentFile=/opt/localai.env
+ExecStart=/opt/localai/localai run
+Restart=on-failure
+RestartSec=10
+
+[Install]
+WantedBy=multi-user.target
+EOF
+systemctl enable -q --now localai
+msg_ok "Created Service"
+
+motd_ssh
+customize
+cleanup_lxc