feat: sign ssh host keys

- manage python script/venv to sign ssh host certificates
- add approle_id to puppetmaster eyaml files
- add class to sign ssh-rsa host keys
- add facts to check if the current principals match the desired principals

hieradata/roles/infra/puppet/master.yaml

@@ -37,6 +37,14 @@ profiles::helpers::certmanager::vault_config:
   output_path: '/tmp/certmanager'
   role_id: "%{lookup('certmanager::role_id')}"
 
+profiles::helpers::sshsignhost::vault_config:
+  addr: 'https://vault.service.consul:8200'
+  mount_point: 'ssh-host-signer'
+  approle_path: 'approle'
+  role_name: 'hostrole'
+  output_path: '/tmp/sshsignhost'
+  role_id: "%{lookup('sshsignhost::role_id')}"
+
 profiles::puppet::server::agent_server: 'puppet.query.consul'
 profiles::puppet::server::report_server: 'puppet.query.consul'
 profiles::puppet::server::ca_server: 'puppetca.query.consul'