Comment utiliser terrgragunt et remote storage avec OVH?

Bonjour,
je n'arrive pas à configuré le backend s3 afin qu'il utilise l'api d'OVH, j'ai l'erreur suivante:
INFO[0006] time=2024-03-31T01:00:40+01:00 level=warning msg=Encryption is not enabled on the S3 remote state bucket an_ovh_project_id-graveline-terragrunt. Terraform state files may contain secrets, so we STRONGLY recommend enabling encryption! prefix=[xxxx/ovh-infra/infrastructure/my_cloud_subscription/prod/world/network]
Remote state S3 bucket an_ovh_project_id-graveline-terragrunt does not exist or you don't have permissions to access it. Would you like Terragrunt to create it? (y/n)
ERRO[0006] 1 error occurred:
* RequestError: send request failed
caused by: Get "https://an_ovh_project_id-graveline-terragrunt.s3.gra.amazonaws.com/my_cloud_subscription/prod/world/network/terraform.tfstate": dial tcp: lookup an_ovh_project_id-graveline-terragrunt.s3.gra.amazonaws.com on 127.0.0.53:53: no such host

ERRO[0006] Unable to determine underlying exit code, so Terragrunt will exit with error code 1

mon projet terragrunt est structurée comme suit:
.
├── my_cloud_subscription
│ ├── prod
│ │ ├── canada
│ │ │ └── zone.hcl
│ │ ├── env.hcl
│ │ ├── europe
│ │ │ ├── france
│ │ │ │ ├── graveline
│ │ │ │ │ ├── city.hcl
│ │ │ │ │ └── GRA9
│ │ │ │ │ ├── datacenter.hcl
│ │ │ │ │ └── vnet
│ │ │ │ │ └── terragrunt.hcl
│ │ │ │ └── state.hcl
│ │ │ └── zone.hcl
│ │ ├── united_state
│ │ │ └── zone.hcl
│ │ └── world
│ │ ├── city.hcl
│ │ ├── datacenter.hcl
│ │ ├── network
│ │ │ └── terragrunt.hcl
│ │ ├── state.hcl
│ │ └── zone.hcl
│ ├── subscription.hcl
│ └── subscription.secret.yaml
└── root.hcl

et le fichier root.hcl est décrit ci-après
locals {
subscription_vars = read_terragrunt_config(find_in_parent_folders("subscription.hcl"))
subscription_secret_vars = yamldecode(sops_decrypt_file(find_in_parent_folders("subscription.secret.yaml")))
env_vars = read_terragrunt_config(find_in_parent_folders("env.hcl"))
zone_vars = read_terragrunt_config(find_in_parent_folders("zone.hcl"))
state_vars = read_terragrunt_config(find_in_parent_folders("state.hcl"))
city_vars = read_terragrunt_config(find_in_parent_folders("city.hcl"))
datacenter_vars = read_terragrunt_config(find_in_parent_folders("datacenter.hcl"))


config = {
project_id = local.subscription_vars.locals.project_id
projectName = local.subscription_vars.locals.projectName
application_key = local.subscription_secret_vars.application_key
application_secret = local.subscription_secret_vars.application_secret
consumer_key = local.subscription_secret_vars.consumer_key
environment = local.env_vars.locals.environment
ovh_api_zone = local.zone_vars.locals.ovh_api_zone
zone = local.zone_vars.locals.zone
state = local.state_vars.locals.state
city = local.city_vars.locals.city
region_short_name = local.city_vars.locals.region_short_name
datacenter = local.datacenter_vars.locals.datacenter
bucket_name = "${local.subscription_vars.locals.project_id}-${local.city_vars.locals.city}-terragrunt"
aws_access_key = "unused"
aws_secret_key = "unused"

}
}



generate "provider" {
path = "provider.tf"
if_exists = "overwrite_terragrunt"
contents = < ########################################################################################
# Provider / OVH
########################################################################################
provider "ovh" {
endpoint = "${local.config.ovh_api_zone}"
application_key = "${local.config.application_key}"
application_secret = "${local.config.application_secret}"
consumer_key = "${local.config.consumer_key}"
}

########################################################################################
# User / Credential
########################################################################################
resource "ovh_cloud_project_user" "s3_admin_user" {
service_name = "${local.config.project_id}"
description = "That is used to create S3 access key"
role_name = "objectstore_operator"
}
resource "ovh_cloud_project_user_s3_credential" "s3_admin_cred" {
service_name = "${local.config.project_id}"
user_id = ovh_cloud_project_user.s3_admin_user.id
}

########################################################################################
# Provider / AWS
########################################################################################

provider "aws" {
region = "${local.config.region_short_name}"
access_key = ovh_cloud_project_user_s3_credential.s3_admin_cred.access_key_id
secret_key = ovh_cloud_project_user_s3_credential.s3_admin_cred.secret_access_key

#OVH implementation has no STS service
skip_credentials_validation = true
skip_requesting_account_id = true
# the gra region is unknown to AWS hence skipping is needed.
skip_region_validation = true
endpoints {
s3 = var.s3_endpoint
}
}

########################################################################################
# Bucket
########################################################################################
resource "aws_s3_bucket" "b" {
bucket = "${local.config.bucket_name}"
}

########################################################################################
# Output
########################################################################################
output "access_key" {
description = "the access key that have been created by the terraform script"
value = ovh_cloud_project_user_s3_credential.s3_admin_cred.access_key_id
}

output "secret_key" {
description = "the secret key that have been created by the terraform script"
value = ovh_cloud_project_user_s3_credential.s3_admin_cred.secret_access_key
sensitive = true
}

EOF
}

remote_state {
backend = "s3"
config = {
bucket = "${local.config.bucket_name}"
key = "${path_relative_to_include()}/terraform.tfstate"
region = "${local.config.region_short_name}"
access_key = "${local.config.aws_access_key}"
secret_key = "${local.config.aws_secret_key}"
endpoints = {
s3 = "https://s3.gra.io.cloud.ovh.net"
}
skip_credentials_validation = true
skip_requesting_account_id = true
skip_region_validation = true
}
generate = {
path = "backend.tf"
if_exists = "overwrite_terragrunt"
}
}

inputs = merge(local.config)


Merci pour votre aide