PowerDNS-Admin (Ubuntu)

Voraussetzungen

Git-Client siehe hier: Git

Sonstige benötigte Pakete:

Ob das Package ibmariadbclient-dev oder libmysqlclient-dev hängt von der verwendetetn Datenbank ab.

sudo apt-get install -y libmariadbclient-dev libsasl2-dev libldap2-dev libssl-dev libxml2-dev libxslt1-dev libxmlsec1-dev libffi-dev pkg-config apt-transport-https virtualenv build-essential

NodeJs:

sudo curl -sL https://deb.nodesource.com/setup_10.x | sudo bash -
sudo apt-get install -y nodejs

Yarn:

curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | sudo apt-key add -
echo "deb https://dl.yarnpkg.com/debian/ stable main" | sudo tee /etc/apt/sources.list.d/yarn.list
sudo apt-get update -y
sudo apt-get install -y yarn

Installation

Datenbank

create database if not exists powerdns_admin;
grant all on powerdns_admin.* to 'powerdns'@'localhost'; 

Repository klonen

Um git nicht als root ausführen zu müssen, das Installationsverzeichnis vorab erstellen und dem eigenen Benutzer zuweisen:

sudo mkdir -p /opt/web/powerdns-admin	
sudo chown <user>:<user> /opt/web/powerdns-admin

git clone https://github.com/ngoduykhanh/PowerDNS-Admin.git /opt/web/powerdns-admin

Installieren

cd /opt/web/powerdns-admin/

virtualenv -p python3 flask

source ./flask/bin/activate
pip install -r requirements.txt

vi /opt/web/powerdns-admin/powerdnsadmin/default_config.py

SQLA_DB_USER = 'powerdns'
SQLA_DB_PASSWORD = '<password>'
SQLA_DB_HOST = '127.0.0.1'
SQLA_DB_NAME = 'powerdns_admin'

export FLASK_APP=powerdnsadmin/__init__.py
flask db upgrade

yarn install --pure-lockfile
flask assets build

./run.py

API-Key

Siehe dazu PowerDNS Authoritative Server (Ubuntu)#API für PowerDNS-Admin.

Konfiguration

systemd

sudo vi /etc/systemd/system/powerdns-admin.service

[Unit]
Description=PowerDNS-Admin
Requires=powerdns-admin.socket
After=network.target

[Service]
PIDFile=/run/powerdns-admin/pid
User=pdns
Group=pdns
WorkingDirectory=/opt/web/powerdns-admin
ExecStart=/opt/web/powerdns-admin/flask/bin/gunicorn --pid /run/powerdns-admin/pid --bind unix:/run/powerdns-admin/socket 'powerdnsadmin:create_app()'
ExecReload=/bin/kill -s HUP $MAINPID
ExecStop=/bin/kill -s TERM $MAINPID
PrivateTmp=true

[Install]
WantedBy=multi-user.target

sudo vim /etc/systemd/system/powerdns-admin.socket

[Unit]
Description=PowerDNS-Admin socket

[Socket]
ListenStream=/run/powerdns-admin/socket

[Install]
WantedBy=sockets.target

sudo vim /etc/tmpfiles.d/powerdns-admin.conf

d /run/powerdns-admin 0755 pdns pdns -

sudo systemctl daemon-reload; sudo systemctl restart powerdns-admin.socket; sudo systemctl restart powerdns-admin.service; \
sudo systemctl enable powerdns-admin.socket; sudo systemctl enable powerdns-admin.service;

Links

https://github.com/ngoduykhanh/PowerDNS-Admin/wiki/Running-PowerDNS-Admin-with-Systemd,-Gunicorn--and--Nginx

Apache

sudo touch /etc/apache2/mods-available/wsgi.load
sudo chown pdnsadmin:pdnsadmin /etc/apache2/mods-available/wsgi.load
sudo chown pdnsadmin:pdnsadmin /usr/lib/apache2/modules/mod_wsgi-py37.cpython-37m-arm-linux-gnueabihf.so

sudo apt install apache2-dev
cd /opt/web/powerdns-admin/
virtualenv -p python3 flask
source ./flask/bin/activate  552  
pip3 install mod-wsgi
mod_wsgi-express install-module > /etc/apache2/mods-available/wsgi.load
sudo a2enmod wsgi
sudo systemctl restart apache2

/etc/apache2/mods-available/wsgi.load

sudo addgroup pdnsadmin
sudo adduser pdnsadmin --ingroup pdnsadmin

sudo vi /etc/apache2/sites-available/powerdns-ssl.conf

<VirtualHost *:443>
        ServerName powerdns1.kirner.or.at
        ServerAlias [fe80::1]
        ServerAdmin admin@kirner.or.at

        SSLEngine On
        SSLCertificateFile /etc/ssl/certs/powerdns.crt
        SSLCertificateKeyFile /etc/ssl/private/apache.key

        ErrorLog /var/log/apache2/error-powerdns1.kirner.or.at.log
        CustomLog /var/log/apache2/access-powerdns1.kirner.or.at.log combined

        DocumentRoot /srv/vhosts/powerdns1.kirner.or.at/

        WSGIDaemonProcess pdnsadmin user=pdnsadmin group=pdnsadmin threads=5
        WSGIScriptAlias / /srv/vhosts/powerdns1.kirner.or.at/powerdnsadmin.wsgi

        # pass BasicAuth on to the WSGI process
        WSGIPassAuthorization On

        <Directory "/srv/vhosts/powerdns1.kirner.or.at/">
                WSGIProcessGroup pdnsadmin
                WSGIApplicationGroup %{GLOBAL}

                AllowOverride None
                Options +ExecCGI +FollowSymLinks
                SSLRequireSSL
                AllowOverride None
                Require all granted
        </Directory>
</VirtualHost>

sudo mkdir -p /srv/vhosts/powerdns1.kirner.or.at
sudo vi /srv/vhosts/powerdns1.kirner.or.at/powerdnsadmin.wsgi

#!/usr/bin/env python3
import sys
sys.path.insert(0, '/srv/vhosts/powerdns1.kirner.or.at')

from powerdnsadmin import create_app
application = create_app()

sudo chown -R pdnsadmin:pdnsadmin /srv/vhosts/powerdns1.kirner.or.at/

Links

https://github.com/ngoduykhanh/PowerDNS-Admin/wiki/WSGI-Apache-example

Error

[Tue Jan 28 00:24:55.138644 2020] [wsgi:error] [pid 1474] [remote 10.0.0.60:42402] mod_wsgi (pid=1474): Failed to exec Python script file '/srv/vhosts/powerdns1.kirner.or.at/powerdnsadmin.wsgi'.
[Tue Jan 28 00:24:55.138968 2020] [wsgi:error] [pid 1474] [remote 10.0.0.60:42402] mod_wsgi (pid=1474): Exception occurred processing WSGI script '/srv/vhosts/powerdns1.kirner.or.at/powerdnsadmin.wsgi'.
[Tue Jan 28 00:24:55.168346 2020] [wsgi:error] [pid 1474] [remote 10.0.0.60:42402] Traceback (most recent call last):
[Tue Jan 28 00:24:55.168527 2020] [wsgi:error] [pid 1474] [remote 10.0.0.60:42402]   File "/srv/vhosts/powerdns1.kirner.or.at/powerdnsadmin.wsgi", line 5, in <module>
[Tue Jan 28 00:24:55.168572 2020] [wsgi:error] [pid 1474] [remote 10.0.0.60:42402]     from powerdnsadmin import create_app
[Tue Jan 28 00:24:55.168679 2020] [wsgi:error] [pid 1474] [remote 10.0.0.60:42402] ModuleNotFoundError: No module named 'powerdnsadmin'

Links

https://github.com/ngoduykhanh/PowerDNS-Admin/wiki/Running-PowerDNS-Admin-on-Ubuntu-or-Debian

https://computingforgeeks.com/install-powerdns-and-powerdns-admin-on-ubuntu-18-04-debian-9-mariadb-backend/

https://blog.jonaharagon.com/installing-powerdns-admin-on-ubuntu-18-04/

https://github.com/ngoduykhanh/PowerDNS-Admin

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