diff options
Diffstat (limited to 'scripts/hostclass/icinga_server')
| -rw-r--r-- | scripts/hostclass/icinga_server | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/scripts/hostclass/icinga_server b/scripts/hostclass/icinga_server new file mode 100644 index 0000000..ccd1d46 --- /dev/null +++ b/scripts/hostclass/icinga_server @@ -0,0 +1,203 @@ +#!/bin/sh + +: ${icinga_username:='s-icinga'} +: ${icinga_dbname:='icinga'} +: ${icinga_dbhost:="$postgres_host"} +: ${icinga_password:='changeme'} +: ${icingaweb_api_password:='changeme'} +: ${icingaweb_dbhost:="$postgres_host"} +: ${icingaweb_dbname:='icingaweb'} +: ${icingaweb_access_role:='icinga-access'} + +# Note that icinga does not support nested groups. +: ${icingaweb_admin_groups:=''} + +icinga_local_user=icinga +icinga_dn="uid=${icinga_username},${robots_basedn}" +icinga_conf_dir=/usr/local/etc/icinga2 +icinga_data_dir=/var/lib/icinga2 +icinga_cert_dir="${icinga_data_dir}/certs" +icinga_ca_dir="${icinga_data_dir}/ca" +icingadb_conf_dir=/usr/local/etc/icingadb +icingaweb_api_username=icingaweb2 +icingaweb_https_cert="${nginx_conf_dir}/icingaweb.crt" +icingaweb_https_key="${nginx_conf_dir}/icingaweb.key" +icingaweb_install_dir=/usr/local/www/icingaweb2 +icingaweb_webroot="${icingaweb_install_dir}/public" +icingaweb_conf_dir=/usr/local/etc/icingaweb2 +icingaweb_fpm_socket=/var/run/fpm-icingaweb.sock +icingaweb_client_keytab="${keytab_dir}/icingaweb.client.keytab" +nginx_keytab="${keytab_dir}/nginx.keytab" +redis_user=redis +redis_data_dir=/var/db/redis +redis_sock=/var/run/redis/redis.sock +redis_port=6379 +redis_data_dir=/var/db/redis + +icinga_psql(){ + KRB5CCNAME=MEMORY: KRB5_CLIENT_KTNAME="$icingaweb_client_keytab" \ + psql \ + --quiet --no-align --tuples-only --echo-all \ + --host="$icinga_dbhost" \ + --dbname="$icinga_dbname" \ + --username="$icinga_username" \ + --no-password \ + "$@" +} + +icingaweb_psql(){ + KRB5CCNAME=MEMORY: KRB5_CLIENT_KTNAME="$icingaweb_client_keytab" \ + psql \ + --quiet --no-align --tuples-only --echo-all \ + --host="$icingaweb_dbhost" \ + --dbname="$icingaweb_dbname" \ + --username="$icinga_username" \ + --no-password \ + "$@" +} + +# Install packages. +pkg install -y \ + icinga2 \ + icingadb \ + icingaweb2-php${php_version} \ + icingaweb2-module-icingadb-php${php_version} \ + nginx \ + redis + +# Create dataset for icinga state directory +create_dataset -o "mountpoint=${icinga_data_dir}" "${state_dataset}/icinga" +install_directory -m 0755 -o "$icinga_local_user" -g "$icinga_local_user" "$icinga_data_dir" + +# Create icinga LDAP user, principal, and keytab. +# Note that we have a separate userPassword attribute in LDAP because icingadb is +# written in golang, and it's pq library does not build with GSSAPI support. +# GSSAPI is supported by icingaweb2 via PHP's PDO, however, so we use it there. +# We also need a userPassword attribute for icingaweb2 authn/authz. +ldap_add "$icinga_dn" <<EOF +objectClass: account +objectClass: simpleSecurityObject +uid: ${icinga_username} +userPassword: {SSHA-512} +EOF +ldap_passwd "$icinga_dn" "$icinga_password" + +add_principal -nokey -x "dn=${icinga_dn}" "$icinga_username" +ktadd -k "$icingaweb_client_keytab" "$icinga_username" +chgrp "$nginx_user" "$icingaweb_client_keytab" +chmod 640 "$icingaweb_client_keytab" +nginx_uid=$(id -u "$nginx_user") +install_directory -o "$nginx_user" -m 0700 "/var/krb5/user/${nginx_uid}" +ln -snfv "$icingaweb_client_keytab" "/var/krb5/user/${nginx_uid}/client.keytab" + +# Create icinga postgres user and database. +postgres_create_role "$icinga_dbhost" "$icinga_username" +postgres_create_database "$icinga_dbhost" "$icinga_dbname" "$icinga_username" + +# Apply icinga database schema. +if ! icinga_psql -c 'SELECT 1 FROM icingadb_schema'; then + icinga_psql -f /usr/local/share/examples/icingadb/schema/pgsql/schema.sql +fi + +# Generate icinga database configuration. +install_template -g "${icinga_local_user}" -m 0640 "${icingadb_conf_dir}/config.yml" + +# Create ZFS dataset for Redis DBs. +create_dataset -o "mountpoint=${redis_data_dir}" "${state_dataset}/redis" +install_directory -m 0700 -o "$redis_user" "$redis_data_dir" + +# Generate redis configuration +install_template -m 0644 /usr/local/etc/redis.conf + +# Add icinga user to redis group, so it can write to the redis unix socket. +pw groupmod "$redis_user" -m "$icinga_local_user" + +# Generate icinga PKI. +install_directory -m 0700 -o "$icinga_local_user" -g "$icinga_local_user" \ + "$icinga_cert_dir" \ + "$icinga_ca_dir" +[ -f "${icinga_ca_dir}/ca.crt" ] \ + || icinga2 pki new-ca +[ -f "${icinga_cert_dir}/${fqdn}.csr" ] \ + || icinga2 pki new-cert --cn "$fqdn" --key "${icinga_cert_dir}/${fqdn}.key" --csr "${icinga_cert_dir}/${fqdn}.csr" +[ -f "${icinga_cert_dir}/${fqdn}.crt" ] \ + || icinga2 pki sign-csr --csr "${icinga_cert_dir}/${fqdn}.csr" --cert "${icinga_cert_dir}/${fqdn}.crt" +ln -snfv "${icinga_ca_dir}/ca.crt" "${icinga_cert_dir}/ca.crt" + +# Enable icinga modules. +for module in api icingadb notification; do + ln -snfv "../features-available/${module}.conf" "${icinga_conf_dir}/features-enabled/${module}.conf" +done + +# Generate icinga configuration. +install_template -m 0640 -g "$icinga_local_user" \ + "${icinga_conf_dir}/api-users.conf" \ + "${icinga_conf_dir}/features-available/icingadb.conf" + +# Create icingaweb postgres user and database. +postgres_create_database "$icingaweb_dbhost" "$icingaweb_dbname" "$icinga_username" + +# Apply icingaweb database schema. +if ! icingaweb_psql -c 'SELECT 1 FROM icingaweb_schema'; then + icingaweb_psql -f /usr/local/www/icingaweb2/schema/pgsql.schema.sql +fi + +# Generate icingaweb configuration. +install_directory -m 2770 -g "$nginx_user" \ + "$icingaweb_conf_dir" \ + "${icingaweb_conf_dir}/enabledModules" \ + "${icingaweb_conf_dir}/modules" \ + "${icingaweb_conf_dir}/modules/icingadb" +install_template -m 0660 -g "$nginx_user" \ + "${icingaweb_conf_dir}/modules/icingadb/commandtransports.ini" \ + "${icingaweb_conf_dir}/modules/icingadb/config.ini" \ + "${icingaweb_conf_dir}/modules/icingadb/redis.ini" \ + "${icingaweb_conf_dir}/config.ini" \ + "${icingaweb_conf_dir}/resources.ini" \ + "${icingaweb_conf_dir}/authentication.ini" \ + "${icingaweb_conf_dir}/groups.ini" \ + "${icingaweb_conf_dir}/roles.ini" +ln -snfv "${icingaweb_install_dir}/modules/icingadb" "${icingaweb_conf_dir}/enabledModules/icingadb" + +# Generate nginx configuration. +install_file -m 0644 /usr/local/etc/nginx/fastcgi_params +install_template -m 0644 \ + /usr/local/etc/nginx/nginx.conf \ + /usr/local/etc/nginx/vhosts.conf + +# Create HTTP service principal and keytab. +add_principal -nokey -x "containerdn=${services_basedn}" "HTTP/${fqdn}" +ktadd -k "$nginx_keytab" "HTTP/${fqdn}" +chgrp "$nginx_user" "$nginx_keytab" +chmod 640 "$nginx_keytab" + +# Generate php-fpm configuration. +install_file -m 0644 \ + /usr/local/etc/php.ini \ + /usr/local/etc/php-fpm.conf +install_template -m 0644 \ + /usr/local/etc/php-fpm.d/icingaweb.conf +> /usr/local/etc/php-fpm.d/www.conf + +# Copy TLS certificate for nginx. +install_certificate nginx "$icingaweb_https_cert" +install_certificate_key nginx "$icingaweb_https_key" + +# Enable and start daemons. +sysrc -v \ + nginx_enable=YES \ + php_fpm_enable=YES \ + redis_enable=YES \ + icingadb_enable=YES \ + icinga2_enable=YES +service nginx restart +service php_fpm restart +service redis restart +service icingadb restart > /dev/null 2>&1 < /dev/null || die 'failed to start icingadb' +service icinga2 restart + +# Create access role. +ldap_add "cn=${icingaweb_access_role},${roles_basedn}" <<EOF +objectClass: groupOfMembers +cn: ${icingaweb_access_role} +EOF |