pulumi-templates/vm-ansible/__main__.py

"""A Pulumi-based infrastructure with libvirt and Python"""

import pulumi
import pulumi_libvirt as lv
import pulumi_command as command
import yaml
from dotmap import DotMap
from jinja2 import Template
from passlib.hash import sha512_crypt

conf = DotMap(yaml.safe_load(open("./input.yaml", "r").read()))
cloudimages = DotMap(yaml.safe_load(open('cloud-images.yaml').read()))

# Replacing readed password with its own counterpart.
conf.password = sha512_crypt.hash(conf.password, rounds=4096) 

config = pulumi.Config()

pool = lv.Pool("pool",
    type = "dir",
    path = conf.poolpath
)

baseimg = lv.Volume("base-image",
    pool = pool.name,
    source = cloudimages[conf.image]
    #source = "https://cdimage.debian.org/images/cloud/bullseye-backports/20220711-1073/debian-11-backports-generic-amd64-20220711-1073.qcow2"
)

volume = lv.Volume("disk",
    base_volume_id = baseimg.id,
    pool = pool.name,
    size = int(conf.disksize) * 1024 ** 3
)

# Stream configuration files
userdata = Template(open("./cloud-init/user-data.jinja", "r").read()).render(conf)
metadata = Template(open("./cloud-init/meta-data.jinja", "r").read()).render(conf)
networkconfig = open("./cloud-init/network-config", "r").read()

cloudinit = lv.CloudInitDisk("cloud-init",
    meta_data = metadata,
    user_data = userdata,
    network_config = networkconfig
)

vm = lv.Domain(conf.name,
    boot_devices = [ lv.DomainBootDeviceArgs(
        devs = [ "hd", "cdrom" ]
    ) ],
    cloudinit = cloudinit.id,
    vcpu = conf.vcpu,
    disks = [ lv.DomainDiskArgs(volume_id = volume.id) ],
    memory = int(conf.ram),
    network_interfaces = [ lv.DomainNetworkInterfaceArgs(
        network_name = "default",
        wait_for_lease = True
    ) ],
    consoles = [ lv.DomainConsoleArgs(
        type = "pty",
        target_port = 0,
        target_type = "serial"
    ) ],
    opts = pulumi.ResourceOptions(
        custom_timeouts = pulumi.CustomTimeouts(create = "3m")
    )
)

# Creating the inventory file
inventory = command.local.Command("a-inventory",
    create = vm.network_interfaces[0]['addresses'][0].apply(
        lambda ipaddr: f"echo '{conf.name} ansible_host={ipaddr} ansible_user={conf.username}' >./inventory"
    ),
    delete = "rm -f ./inventory",
    opts = pulumi.ResourceOptions(depends_on = [ vm ])
)

# Applying the command
execute_ansible = command.local.Command("a-deploy",
    create = f"ansible-playbook {conf.ansible_playbook}",
    delete = "rm -f ./ansible.log",
    opts = pulumi.ResourceOptions(depends_on = [ inventory ])
)

pulumi.export("ip", vm.network_interfaces[0]['addresses'][0])