Proxmox/ct/elasticsearch.sh

120 lines
3.5 KiB
Bash

#!/usr/bin/env bash
source <(curl -s https://raw.githubusercontent.com/ELKozel/Proxmox/main/misc/build.func)
# Copyright (c) 2024 ELKozel
# Author: T.H. (ELKozel)
# License: MIT
# https://github.com/tteck/Proxmox/raw/main/LICENSE
function header_info {
clear
cat <<"EOF"
_____ _ _ _ _
| ____| | __ _ ___| |_(_) ___ ___ ___ __ _ _ __ ___| |__
| _| | |/ _` / __| __| |/ __/ __|/ _ \/ _` | '__/ __| '_ \
| |___| | (_| \__ \ |_| | (__\__ \ __/ (_| | | | (__| | | |
|_____|_|\__,_|___/\__|_|\___|___/\___|\__,_|_| \___|_| |_|
EOF
}
header_info
echo -e "Loading..."
APP="Elasticsearch"
var_disk="16"
var_cpu="4"
var_ram="4096"
var_os="debian"
var_version="12"
variables
color
catch_errors
function default_settings() {
CT_TYPE="1"
PW=""
CT_ID=$NEXTID
HN=$NSAPP
DISK_SIZE="$var_disk"
CORE_COUNT="$var_cpu"
RAM_SIZE="$var_ram"
BRG="vmbr0"
NET="dhcp"
GATE=""
APT_CACHER=""
APT_CACHER_IP=""
DISABLEIP6="no"
MTU=""
SD=""
NS=""
MAC=""
VLAN=""
SSH="no"
VERB="no"
echo_default
}
function update_script() {
header_info
if [[ ! -f /etc/systemd/system/elasticsearch.service ]]; then msg_error "No ${APP} Installation Found!"; exit; fi
if (( $(df /boot | awk 'NR==2{gsub("%","",$5); print $5}') > 80 )); then
read -r -p "Warning: Storage is dangerously low, continue anyway? <y/N> " prompt
[[ ${prompt,,} =~ ^(y|yes)$ ]] || exit
fi
msg_info "Stopping ${APP}"
$STD /bin/systemctl stop elasticsearch.service
msg_ok "Stopped ${APP}"
msg_info "Updating ${APP}"
$STD apt-get install elasticsearch &>/dev/null
msg_ok "Updated ${APP}"
msg_info "Starting ${APP}"
$STD /bin/systemctl restart elasticsearch.service
msg_ok "Started ${APP}"
msg_ok "Updated Successfully"
exit
}
function ask_extend_mmap() {
echo "Elasticsearch recommends extending the vm.max_map_count on the host"
read -r -p "Would you like to extend mmap count? <y/N>" prompt
if [[ ${prompt,,} =~ ^(y|yes)$ ]]; then
msg_info "Extending mmap count"
sysctl -w vm.max_map_count=262144 >/dev/null
# Check if the setting is persistent
if ! grep -q "vm.max_map_count" /etc/sysctl.conf; then
echo "vm.max_map_count=262144" >> /etc/sysctl.conf
fi
msg_ok "Extended mmap count"
fi
}
start
ask_extend_mmap
build_container
description
msg_info "Configuring User"
ELASTIC_USER=elastic
KIBANA_USER=kibana
ELASTIC_PASSWORD=$(lxc-attach -n "$CTID" -- bash -c "/usr/share/elasticsearch/bin/elasticsearch-reset-password -sbf -u $ELASTIC_USER" || exit)
KIBANA_TOKEN=$(lxc-attach -n "$CTID" -- bash -c "/usr/share/elasticsearch/bin/elasticsearch-create-enrollment-token -s $KIBANA_USER" || exit)
ENROLLMENT_TOKEN=$(lxc-attach -n "$CTID" -- bash -c "/usr/share/elasticsearch/bin/elasticsearch-create-enrollment-token -s node" || exit)
msg_ok "Configured User"
msg_info "Checking Health"
ELASTIC_PORT=9200
curl -s -XGET --insecure --fail --user $ELASTIC_USER:$ELASTIC_PASSWORD https://${IP}:$ELASTIC_PORT/_cluster/health?pretty >/dev/null
msg_ok "Checked Health"
msg_ok "Completed Successfully!\n"
echo -e "${APP} is installed, you can check it's health by running:
${BL}curl -XGET --insecure --fail --user $ELASTIC_USER:$ELASTIC_PASSWORD https://${IP}:$ELASTIC_PORT/_cluster/health?pretty${CL}
Elasticsearch credentials are:
User: ${BL}${ELASTIC_USER}${CL}
Password: ${BL}${ELASTIC_PASSWORD}${CL}
Enrollment and Kibana tokens were also generated for you:
Kibana Token: ${BL}${KIBANA_TOKEN}${CL}
Enrollment Token: ${BL}${ENROLLMENT_TOKEN}${CL} \n"