Dedicated server generic userdata

[bigbigbang]

Description

To reflect APIV6 changes , we need to update the dedicated server install task resource and installation template:

• add userMetadata option
• remove some details option (some already deprecated, some soon)
• update test with debian12 template

This also deprecate the me/sshKey data and resource (End Of Life soon)
Documentation has been updated to explain how to transmit ssh key
Next release will remove all the deprecated fields and the me sshKey resource and data

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Improvement (improve existing resource(s) or datasource(s))
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration

• Test A: make testacc TESTARGS="-run TestAccDedicatedServerInstall_basic"
• Test B: make testacc TESTARGS="-run TestAccDedicatedServerInstall_usermetadata"
• Test C: make testacc TESTARGS="-run TestAccMeInstallationTemplateDataSource_basic"
• Test D: make testacc TESTARGS="-run TestAccMeInstallationTemplatesDataSource_basic"

Test Configuration:

• Terraform version: terraform version: Terraform 1.6.6
• Existing HCL configuration you used:
  a dedicated server (ex for a "byolinux_64" template)

resource "ovh_dedicated_server_install_task" "server_install" {
  service_name      = data.ovh_dedicated_server.server.service_name
  template_name     = "byolinux_64"
  bootid_on_destroy = data.ovh_dedicated_server_boots.rescue.result[0]
  user_metadata {
      key   = "imageURL"
      value = "https://github.com/ashmonger/akution_test/releases/download/0.6-fixCache/deb11k6.qcow2"
    }
  user_metadata {
      key   = "imageType"
      value = "qcow2"
    }
  user_metadata {
      key   = "httpHeaders0Key"
      value = "Authorization"
    }
   user_metadata {
      key   = "httpHeaders0Value"
      value = "Basic bG9naW46cGFzc3dvcmQ="
    }
   user_metadata {
      key   = "imageCheckSumType"
      value = "sha512"
    }
   user_metadata {
      key   = "imageCheckSum"
      value = "047122c9ff4d2a69512212104b06c678f5a9cdb22b75467353613ff87ccd03b57b38967e56d810e61366f9d22d6bd39ac0addf4e00a4c6445112a2416af8f225"
    }
   user_metadata {
      key   = "configDriveUserData"
      value = "#cloud-config\nssh_authorized_keys:\n  - ssh-rsa AAAAB3Nz.................\n\nusers:\n  - name: patient0\n    sudo: ALL=(ALL) NOPASSWD:ALL\n    groups: users, sudo\n    shell: /bin/bash\n    lock_passwd: false\n    ssh_authorized_keys:\n      - ssh-rsa AAAAB3Nz................\ndisable_root: false\npackages:\n  - vim\n  - tree\nfinal_message: The system is finally up, after $UPTIME seconds\n"
    }
   user_metadata {
      key   = "sshKey"
      value = "ssh-rsa AAAAB3Nz..............."
    }
  details {
      custom_hostname = "mytest"
  }
}

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings or issues
• I have added acceptance tests that prove my fix is effective or that my feature works
• New and existing acceptance tests pass locally with my changes