Files
zamba-lxc-toolbox/src/zabbix/install-service.sh

229 lines
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#!/bin/bash
# Authors:
# (C) 2021 Idea an concept by Christian Zengel <christian@sysops.de>
# (C) 2021 Script design and prototype by Markus Helmke <m.helmke@nettwarker.de>
# (C) 2021 Script rework and documentation by Thorsten Spille <thorsten@spille-edv.de>
source /root/functions.sh
source /root/zamba.conf
source /root/constants-service.conf
apt-key adv --fetch https://repo.zabbix.com/zabbix-official-repo.key
echo "deb https://repo.zabbix.com/zabbix/6.0/debian/ bullseye main contrib non-free" > /etc/apt/sources.list.d/zabbix-6.0.list
wget -q -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | apt-key add -
echo "deb http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" | tee /etc/apt/sources.list.d/pgdg.list
apt update
DEBIAN_FRONTEND=noninteractive DEBIAN_PRIORITY=critical apt -y -qq dist-upgrade
DEBIAN_FRONTEND=noninteractive DEBIAN_PRIORITY=critical apt -y -qq install --no-install-recommends postgresql nginx php7.4-pgsql php7.4-fpm zabbix-server-pgsql zabbix-frontend-php zabbix-nginx-conf zabbix-sql-scripts zabbix-agent ssl-cert
unlink /etc/nginx/sites-enabled/default
cat << EOF > /etc/zabbix/nginx.conf
server {
listen 80 default_server;
listen [::]:80 default_server;
server_name _;
server_tokens off;
access_log /var/log/nginx/zabbix.access.log;
error_log /var/log/nginx/zabbix.error.log;
location /.well-known/ {
}
return 301 https://${LXC_HOSTNAME}.${LXC_DOMAIN}\$request_uri;
}
server {
listen 443 ssl http2 default_server;
listen [::]:443 ssl http2 default_server;
server_name ${LXC_HOSTNAME}.${LXC_DOMAIN};
server_tokens off;
ssl_certificate /etc/ssl/certs/ssl-cert-snakeoil.pem;
ssl_certificate_key /etc/ssl/private/ssl-cert-snakeoil.key;
ssl_protocols TLSv1.3 TLSv1.2;
ssl_ciphers ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:EECDH+AESGCM:EDH+AESGCM;
ssl_dhparam /etc/nginx/dhparam.pem;
ssl_prefer_server_ciphers on;
ssl_session_cache shared:SSL:10m;
ssl_session_timeout 180m;
ssl_stapling on;
ssl_stapling_verify on;
resolver 1.1.1.1 1.0.0.1;
add_header Strict-Transport-Security "max-age=31536000" always;
root /usr/share/zabbix;
index index.php;
location = /favicon.ico {
log_not_found off;
}
location / {
try_files \$uri \$uri/ =404;
}
location /assets {
access_log off;
expires 10d;
}
location ~ /\.ht {
deny all;
}
location ~ /(api\/|conf[^\.]|include|locale) {
deny all;
return 404;
}
location /vendor {
deny all;
return 404;
}
location ~ [^/]\.php(/|$) {
fastcgi_pass unix:/var/run/php/zabbix.sock;
fastcgi_split_path_info ^(.+\.php)(/.+)$;
fastcgi_index index.php;
fastcgi_param DOCUMENT_ROOT /usr/share/zabbix;
fastcgi_param SCRIPT_FILENAME /usr/share/zabbix\$fastcgi_script_name;
fastcgi_param PATH_TRANSLATED /usr/share/zabbix\$fastcgi_script_name;
include fastcgi_params;
fastcgi_param QUERY_STRING \$query_string;
fastcgi_param REQUEST_METHOD \$request_method;
fastcgi_param CONTENT_TYPE \$content_type;
fastcgi_param CONTENT_LENGTH \$content_length;
fastcgi_intercept_errors on;
fastcgi_ignore_client_abort off;
fastcgi_connect_timeout 60;
fastcgi_send_timeout 180;
fastcgi_read_timeout 180;
fastcgi_buffer_size 128k;
fastcgi_buffers 4 256k;
fastcgi_busy_buffers_size 256k;
fastcgi_temp_file_write_size 256k;
}
}
EOF
cat << EOF > /etc/php/7.4/fpm/pool.d/zabbix-php-fpm.conf
[zabbix]
user = www-data
group = www-data
listen = /var/run/php/zabbix.sock
listen.owner = www-data
listen.allowed_clients = 127.0.0.1
pm = dynamic
pm.max_children = 50
pm.start_servers = 5
pm.min_spare_servers = 5
pm.max_spare_servers = 35
pm.max_requests = 200
php_value[session.save_handler] = files
php_value[session.save_path] = /var/lib/php/sessions/
php_value[max_execution_time] = 300
php_value[memory_limit] = 128M
php_value[post_max_size] = 16M
php_value[upload_max_filesize] = 2M
php_value[max_input_time] = 300
php_value[max_input_vars] = 10000
EOF
cat << EOF > /etc/zabbix/web/zabbix.conf.php
<?php
// Zabbix GUI configuration file.
\$DB['TYPE'] = 'POSTGRESQL';
\$DB['SERVER'] = 'localhost';
\$DB['PORT'] = '0';
\$DB['DATABASE'] = '${ZABBIX_DB_NAME}';
\$DB['USER'] = '${ZABBIX_DB_USR}';
\$DB['PASSWORD'] = '${ZABBIX_DB_PWD}';
// Schema name. Used for PostgreSQL.
\$DB['SCHEMA'] = '';
// Used for TLS connection.
\$DB['ENCRYPTION'] = true;
\$DB['KEY_FILE'] = '';
\$DB['CERT_FILE'] = '';
\$DB['CA_FILE'] = '';
\$DB['VERIFY_HOST'] = false;
\$DB['CIPHER_LIST'] = '';
// Vault configuration. Used if database credentials are stored in Vault secrets manager.
\$DB['VAULT_URL'] = '';
\$DB['VAULT_DB_PATH'] = '';
\$DB['VAULT_TOKEN'] = '';
// Use IEEE754 compatible value range for 64-bit Numeric (float) history values.
// This option is enabled by default for new Zabbix installations.
// For upgraded installations, please read database upgrade notes before enabling this option.
\$DB['DOUBLE_IEEE754'] = true;
// Uncomment and set to desired values to override Zabbix hostname/IP and port.
// \$ZBX_SERVER = '';
// \$ZBX_SERVER_PORT = '';
\$ZBX_SERVER_NAME = '${LXC_HOSTNAME}';
\$IMAGE_FORMAT_DEFAULT = IMAGE_FORMAT_PNG;
// Uncomment this block only if you are using Elasticsearch.
// Elasticsearch url (can be string if same url is used for all types).
//\$HISTORY['url'] = [
// 'uint' => 'http://localhost:9200',
// 'text' => 'http://localhost:9200'
//];
// Value types stored in Elasticsearch.
//\$HISTORY['types'] = ['uint', 'text'];
// Used for SAML authentication.
// Uncomment to override the default paths to SP private key, SP and IdP X.509 certificates, and to set extra settings.
//\$SSO['SP_KEY'] = 'conf/certs/sp.key';
//\$SSO['SP_CERT'] = 'conf/certs/sp.crt';
//\$SSO['IDP_CERT'] = 'conf/certs/idp.crt';
//\$SSO['SETTINGS'] = [];
EOF
timedatectl set-timezone ${LXC_TIMEZONE}
systemctl enable --now postgresql
su - postgres <<EOF
psql -c "CREATE USER ${ZABBIX_DB_USR} WITH PASSWORD '${ZABBIX_DB_PWD}';"
psql -c "CREATE DATABASE ${ZABBIX_DB_NAME} ENCODING UTF8 TEMPLATE template0 OWNER ${ZABBIX_DB_USR};"
echo "Postgres User ${ZABBIX_DB_USR} and database ${ZABBIX_DB_NAME} created."
EOF
sed -i "s/false/true/g" /usr/share/zabbix/include/locales.inc.php
zcat /usr/share/zabbix-sql-scripts/postgresql/server.sql.gz | sudo -u zabbix psql ${ZABBIX_DB_NAME}
echo "DBPassword=${ZABBIX_DB_PWD}" >> /etc/zabbix/zabbix_server.conf
openssl dhparam -out /etc/nginx/dhparam.pem 4096
systemctl enable --now zabbix-server zabbix-agent nginx php7.4-fpm
systemctl restart zabbix-server zabbix-agent nginx php7.4-fpm