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    Terraform with cloud-init

    Scheduled Pinned Locked Moved Xen Orchestra
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    • ppikna97P Offline
      ppikna97 @m4xm0rris
      last edited by

      @m4xm0rris thanks. I was using template_file data source with xenorchestra_cloud_config data source like this:

      905476d3-fd92-4cf1-8d10-2611cd7c8a31-image.png

      But I found answer to both of us... Some video linked me here templatefile vs template_file. Resulting that it is better to use templatefile function to match terraform version and for working with different data types. But in the essence templatefile and template_file do the same thing.

      M 1 Reply Last reply Reply Quote 2
      • M Offline
        m4xm0rris @ppikna97
        last edited by

        @ppikna97 Np, I was also using template_file originally but as its now deprecated there have been no builds released for M1 based Mac (leading/forcing me down the templatefile function route).

        1 Reply Last reply Reply Quote 0
        • B Offline
          bxen @m4xm0rris
          last edited by

          @m4xm0rris This was very helpful. Thank you!

          1 Reply Last reply Reply Quote 0
          • D Offline
            dydomby @m4xm0rris
            last edited by

            @m4xm0rris thanks, it helped much.

            1 Reply Last reply Reply Quote 1
            • olivierlambertO Online
              olivierlambert Vates 🪐 Co-Founder CEO
              last edited by

              Hello there!

              If you think some extra doc would be important to avoid searching for the solution, please do so 🙂

              antoniolfdacruzA 1 Reply Last reply Reply Quote 0
              • antoniolfdacruzA Offline
                antoniolfdacruz @olivierlambert
                last edited by

                Hi there!

                Please, delete my question if it is considered bad in any way.

                I am able to write terraform code that creates a vm in one of our xcp pools.

                But can't undertand how I must configure the template in order to be able to pass cloud-init userdata and metadata.

                I am using a simple VM install from ubuntu 20.04.5 ISO, turned into a template. It does not seem to load the yaml templates.

                code_textalfcruz-adm@local.hcpa.ufrgs.br@volt-ampere:~/terraform-provider-xenorchestra-intro/mkxcpvm2n$ cat main.tf
                # Infrastructure parametrization
                
                variable "xoa_pool_name" {
                  type        = string
                  description = "Pool Name at HCPA's XCP-ng infrastructure managed by XenOrchestra"
                  default     = "UAAPool01"
                }
                
                variable "xoa_template_name" {
                  type        = string
                  description = "Template name at the chosen XCP-ng pool (must be unique between all the HCPA's pools"
                  #default     = "Ubuntu 20.04 LTS Focal Fossa (20211008u)"
                  default = "template-ubuntu-20045"
                }
                
                variable "xoa_sr_name" {
                  type        = string
                  description = "Name of the Storage Resource to place the VM disk(s) at the chosen pool"
                  default     = "EQL01UHAASR01"
                }
                
                variable "xoa_public_vlanid" {
                  type        = string
                  description = "The VLAN id of the public (first) network interface of this VM"
                  default     = "VLAN702"
                }
                
                variable "xoa_private_vlanid" {
                  type        = string
                  description = "The VLAN id of the private (or second) network interface of this VM"
                  default     = "VLAN902"
                }
                
                # VM parametrization
                
                variable "vm_memory_max" {
                  type        = number
                  description = "VM's maximum memory (in bytes)"
                  default     = 2147467264
                }
                
                variable "vm_cpus" {
                  type        = number
                  description = "VM's number of virtual CPU cores"
                  default     = 4
                }
                
                variable "vm_name_label" {
                  type        = string
                  description = "The VM's name on the XCP-ng infrastructure (XOA and XCP console)"
                  default     = "Terraformed at HCPA"
                }
                
                variable "vm_disk_name_label" {
                  type        = string
                  description = "The name of the first VM's disk"
                  default     = "Filesystem root"
                }
                
                variable "vm_disk_size" {
                  type        = number
                  description = "The size of this VM's first disk (in bytes - default = template thick / size - 30GB)"
                  default     = 32212254720
                }
                
                variable "vm_public_domain" {
                  type        = string
                  description = "Name of the local intranet domain"
                  default     = "local.hcpa.ufrgs.br"
                }
                
                variable "vm_public_ipv4_address" {
                  type        = string
                  description = "The VM's public (first) interface IPv4 address"
                  default     = "10.70.3.250"
                }
                
                variable "vm_public_ipv4_prefixlen" {
                  type        = string
                  description = "The number of network bits to use for the public IPv4 interface netmask"
                  default     = "23"
                }
                
                variable "vm_public_ipv4_gateway" {
                  type        = string
                  description = "The IPv4 default gateway for the public interface"
                  default     = "10.72.0.1"
                }
                
                # Gattering ambient facts
                
                data "xenorchestra_pool" "pool" {
                  name_label = var.xoa_pool_name
                }
                
                data "xenorchestra_template" "vm_template" {
                  name_label = var.xoa_template_name
                }
                
                data "xenorchestra_sr" "sr" {
                  name_label = var.xoa_sr_name
                  pool_id    = data.xenorchestra_pool.pool.id
                }
                
                data "xenorchestra_network" "public_vlanid" {
                  name_label = var.xoa_public_vlanid
                  pool_id    = data.xenorchestra_pool.pool.id
                }
                
                data "xenorchestra_network" "private_vlanid" {
                  name_label = var.xoa_private_vlanid
                  pool_id    = data.xenorchestra_pool.pool.id
                }
                
                # Create cloudinit templates
                
                data "template_file" "userdata" {
                  template  = file("./cloud_userdata_cfg.yaml")
                  vars      = {
                    hostname = var.vm_name_label
                    domain   = var.vm_public_domain
                  }
                }
                
                data "template_file" "metadata" {
                  template = file("./cloud_metadata_cfg.yaml")
                  vars     = {
                    hostname  = var.vm_name_label
                    ip        = var.vm_public_ipv4_address
                    prefixlen = var.vm_public_ipv4_prefixlen
                    gateway   = var.vm_public_ipv4_gateway
                  }
                }
                
                resource "xenorchestra_cloud_config" "userdataconfig" {
                  name = "user data config"
                  template = data.template_file.userdata.rendered
                }
                
                resource "xenorchestra_cloud_config" "metadataconfig" {
                  name = "network data config"
                  template = data.template_file.metadata.rendered
                }
                
                # VM creation
                
                resource "xenorchestra_vm" "vm" {
                #  cloud_config = templatefile("cloud_userdata_cfg.yaml", {
                #    hostname = var.vm_name_label
                #    domain   = var.vm_public_domain
                #  })
                #  cloud_network_config = templatefile("cloud_metadata_cfg.yaml", {
                #    hostname  = var.vm_name_label
                #    ip        = var.vm_public_ipv4_address
                #    prefixlen = var.vm_public_ipv4_prefixlen
                #    gateway   = var.vm_public_ipv4_gateway
                #  })
                  cloud_network_config = xenorchestra_cloud_config.metadataconfig.template
                  cloud_config = xenorchestra_cloud_config.userdataconfig.template
                  memory_max = var.vm_memory_max
                  cpus       = var.vm_cpus
                  name_label = var.vm_name_label
                  template   = data.xenorchestra_template.vm_template.id
                
                  network {
                    network_id = data.xenorchestra_network.public_vlanid.id
                  }
                
                #  network {
                #    network_id = data.xenorchestra_network.private_vlanid.id
                #  }
                
                  disk {
                    sr_id      = data.xenorchestra_sr.sr.id
                    name_label = var.vm_disk_name_label
                    size       = var.vm_disk_size
                  }
                }
                
                alfcruz-adm@local.hcpa.ufrgs.br@volt-ampere:~/terraform-provider-xenorchestra-intro/mkxcpvm2n$
                alfcruz-adm@local.hcpa.ufrgs.br@volt-ampere:~/terraform-provider-xenorchestra-intro/mkxcpvm2n$ cat cloud_userdata_cfg.yaml
                #cloud-config
                groups:
                  - aghuse: [aghu]
                
                users:
                  # seiseg and aghu / REDACTED | same public key
                  - name: aghu
                    uid: 1003
                    gecos: AGHU Application Standard User
                    passwd: <REDACTED>
                    lock_passwd: true
                    sudo: ['ALL=(ALL) NOPASSWD:ALL']
                    groups: [aghuse]
                    shell: /bin/bash
                    homedir: /opt/aghu
                    no_create_home: false
                
                packages:
                  - tree
                
                runcmd:
                  - sed -i -e "s/PARAMMYHOSTNAME/${hostname}/g" /etc/postfix/main.cf
                  - sed -i -e "s/PARAMMYHOSTNAME/${hostname}/" /etc/puppetlabs/puppet/puppet.conf
                  - /opt/ds_agent/dsa_control -r
                  - /opt/ds_agent/dsa_control -a dsm://goodman.local.hcpa.ufrgs.br:4120/ "policyid:60"
                  - systemctl disable networker
                  -
                
                
                alfcruz-adm@local.hcpa.ufrgs.br@volt-ampere:~/terraform-provider-xenorchestra-intro/mkxcpvm2n$ cat cloud_metadata_cfg.yaml
                #cloud-config
                local-hostname: ${hostname}
                instance-id: ${hostname}
                network:
                  version: 2
                  ethernets:
                    ens192:
                      dhcp4: false
                      addresses:
                        - ${ip}/${prefixlen}
                      gateway4: ${gateway}
                      nameservers:
                        search: [local.hcpa.ufrgs.br, hcpa]
                        addresses: [10.10.31.13, 10.10.31.14, 10.10.31.42]
                growpart:
                  mode: auto
                  devices: ['/dev/sda2']
                  ignore_growroot_disabled: true
                wait-on-network:
                  ipv4: true
                
                alfcruz-adm@local.hcpa.ufrgs.br@volt-ampere:~/terraform-provider-xenorchestra-intro/mkxcpvm2n$
                
                
                
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                • olivierlambertO Online
                  olivierlambert Vates 🪐 Co-Founder CEO
                  last edited by

                  Question for @ddelnano I think 🙂

                  antoniolfdacruzA 1 Reply Last reply Reply Quote 0
                  • antoniolfdacruzA Offline
                    antoniolfdacruz @olivierlambert
                    last edited by

                    @olivierlambert Thank you, Olivier. In fact I found in this forum another topic, don't remember by who. But that has already given me enough info to reach the solution. It was about generating images to use with cloud-init. Thank you all!

                    D 2 Replies Last reply Reply Quote 0
                    • D Offline
                      ddelnano Terraform Team @antoniolfdacruz
                      last edited by

                      This post is deleted!
                      1 Reply Last reply Reply Quote 0
                      • D Offline
                        ddelnano Terraform Team @antoniolfdacruz
                        last edited by

                        @antoniolfdacruz glad to hear you were able to figure it out 👍

                        1 Reply Last reply Reply Quote 1
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