Configurazione di una macchina con Puppet Masterless

• Installare puppet

apt-get install wget lsb-release && \
wget -O /tmp/puppet6-release-$(lsb_release -c | cut -f 2).deb https://apt.puppetlabs.com/puppet6-release-$(lsb_release -c | cut -f 2).deb && \
sudo dpkg -i /tmp/puppet6-release-$(lsb_release -c | cut -f 2).deb && \
apt-get update && \
apt-get install puppet-agent

• Disabilitare il servizio:

systemctl disable puppet.service

• Aggiungere il PATH:

echo 'PATH="${PATH}":/opt/puppetlabs/bin' >> ~/.bash_profile
bash ~/.bash_profile
which puppet

/opt/puppetlabs/bin/puppet

• Creare un modulo di test:

cd /etc/puppetlabs/code/environments/production
mkdir -p ./modules/foo/files/
echo "hello world" > ./modules/foo/files/hello
mkdir -p ./modules/foo/manifests/
touch ./modules/foo/manifests/init.pp
mkdir -p ./manifests/
echo "include foo" > ./manifests/site.pp
cat > ./modules/foo/manifests/init.pp <<EOFile
class foo {
  file { "/tmp/hello":
    ensure => file,
    source => "puppet:///modules/foo/hello",
  }
}
EOFile

• Testare:

puppet apply --test --modulepath ./modules ./manifests/site.pp

• Verificare se il file è stato creato:

cat /tmp/hello 

hello world

• Ora si possono creare i moduli necessari e dichiararli in site.pp
• L'applicazione viene fatta one shot con

puppet apply --test /etc/puppetlabs/code/environments/production/manifests/site.pp

• O per comodità:

alias papply='puppet apply --test /etc/puppetlabs/code/environments/production/manifests/site.pp $@'

papply

Riferimenti

• Janik Vonrotz - Puppet masterless project setup guide
• Puppet apply | Puppet.com