以下のVagrantfileで、Jupyter LabとPostgreSQL をインストールした仮想マシン(Ubuntu16.04)を構築できます。
Vagrantfile
VAGRANTFILE_API_VERSION = "2"
Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
config.vm.box = "bento/ubuntu-16.04"
config.vm.hostname = "ub1604jupyterlabpg"
config.vm.provider :virtualbox do |vbox|
vbox.name = "ub1604jupyterlabpg"
vbox.cpus = 2
vbox.memory = 2048
vbox.customize ["modifyvm", :id, "--nicpromisc2","allow-all"]
end
config.vm.network "private_network", ip: "192.168.55.104", :netmask => "255.255.255.0"
config.vm.network "public_network", ip:"192.168.1.104", :netmask => "255.255.255.0"
config.vm.provision "shell", inline: <<-SHELL
# update packages
apt-get update
#DEBIAN_FRONTEND=noninteractive apt-get -y -o Dpkg::Options::="--force-confdef" -o Dpkg::Options::="--force-confold" upgrade
locale-gen ja_JP.UTF-8
localectl set-locale LANG=ja_JP.UTF-8
# install postgresql
apt-get -y install postgresql
echo "listen_addresses='*'" >> /etc/postgresql/9.5/main/postgresql.conf
sed -i 's/host.*all.*all.*127.0.0.1/#host all all 127.0.0.1/g' /etc/postgresql/9.5/main/pg_hba.conf
echo "host all all 127.0.0.1/32 password" >> /etc/postgresql/9.5/main/pg_hba.conf
echo "host all all 192.168.1.0/24 password" >> /etc/postgresql/9.5/main/pg_hba.conf
echo "host all all 192.168.55.0/24 password" >> /etc/postgresql/9.5/main/pg_hba.conf
su - postgres << EOF
createdb -T template0 --locale=ja_JP.UTF-8 --encoding=UTF8 test
psql -c "
alter user postgres with password 'postgres';
create user test with password 'test';
grant all privileges on database test to test;
"
export PGPASSWORD=test
psql -h localhost -d test -U test -c "
create table messages (message_id integer not null, message varchar(100));
insert into messages values (1, 'hello world.');
insert into messages values (2, 'test message.');
"
EOF
echo "postgres:postgres" | chpasswd
systemctl restart postgresql.service
# install anaconda & jupyterlab
wget https://repo.continuum.io/archive/Anaconda3-5.1.0-Linux-x86_64.sh
chmod +x Anaconda3-5.1.0-Linux-x86_64.sh
./Anaconda3-5.1.0-Linux-x86_64.sh -b -p /opt/anaconda
source /opt/anaconda/bin/activate
pip install --upgrade pip
pip install jupyterlab
# install psycopg2
apt-get -y install libpq-dev python-dev
pip install psycopg2-binary
useradd py
mkdir -p /home/py
chown -R py:py /home/py
sudo -u py bash -c "mkdir /home/py/.jupyter"
sudo -u py bash -c "cat << EOF > /home/py/.jupyter/jupyter_notebook_config.py
conf = get_config()
conf.NotebookApp.ip = '*'
conf.NotebookApp.open_browser = False
conf.NotebookApp.port = 8080
conf.NotebookApp.token = 'jupyter'
EOF"
cat << EOF > /etc/systemd/system/jupyter.service
[Unit]
Description=Jupyter notebook
[Service]
Type=simple
ExecStartPre=source /opt/anaconda/bin/activate
ExecStart=/opt/anaconda/bin/jupyter lab
User=py
Group=py
WorkingDirectory=/home/py
Restart=always
RestartSec=10
[Install]
WantedBy=multi-user.target
EOF
sudo systemctl enable jupyter
sudo systemctl start jupyter
echo 'access -> http://192.168.55.104:8080/?token=jupyter'
SHELL
end
〇動作検証用コード
import psycopg2
con = psycopg2.connect("dbname=test host=localhost user=test password=test")
try:
cur= con.cursor()
sql = "select message_id, message from messages"
cur.execute(sql)
for row in cur.fetchall():
print(row)
except psycopg2.Error as er:
print('psycopg2.Error:', er)
cur.close
con.close
〇Jupyter Labの画面
○関連情報
・psycopg2に関する他の記事はこちらを参照してください。
0 件のコメント:
コメントを投稿