Stores the state in a Kubernetes secret.
This backend supports state locking, with locking done using a Lease resource.
terraform {
backend "kubernetes" {
secret_suffix = "state"
config_path = "~/.kube/config"
}
}
This assumes the user/service account running terraform has permissions to read/write secrets in the namespace used to store the secret.
If the config_path or config_paths attribute is set the backend will attempt to use a kubeconfig file to gain access to the cluster.
If the in_cluster_config flag is set the backend will attempt to use a service account to access the cluster. This can be used if Terraform is being run from within a pod running in the Kubernetes cluster.
For most use cases either in_cluster_config, config_path, or config_paths will need to be set. If all flags are set the configuration at config_path will be used.
Note that for the access credentials we recommend using a partial configuration.
data "terraform_remote_state" "foo" {
backend = "kubernetes"
config = {
secret_suffix = "state"
load_config_file = true
}
}
Warning: We recommend using environment variables to supply credentials and other sensitive data. If you use -backend-config or hardcode these values directly in your configuration, Terraform will include these values in both the .terraform subdirectory and in plan files. Refer to Credentials and Sensitive Data for details.
The following configuration options are supported:
secret_suffix - (Required) Suffix used when creating the secret. The secret will be named in the format: tfstate-{workspace}-{secret_suffix}. Note that the backend may append its own numeric index to the secret name when chunking large state files into multiple secrets. In this case, there will be multiple secrets named in the format: tfstate-{workspace}-{secret_suffix}-{index}.labels - (Optional) Map of additional labels to be applied to the secret and lease.namespace - (Optional) Namespace to store the secret and lease in. Can be sourced from KUBE_NAMESPACE.in_cluster_config - (Optional) Used to authenticate to the cluster from inside a pod. Can be sourced from KUBE_IN_CLUSTER_CONFIG.host - (Optional) The hostname (in form of URI) of Kubernetes master. Can be sourced from KUBE_HOST. Defaults to https://localhost.username - (Optional) The username to use for HTTP basic authentication when accessing the Kubernetes master endpoint. Can be sourced from KUBE_USER.password - (Optional) The password to use for HTTP basic authentication when accessing the Kubernetes master endpoint. Can be sourced from KUBE_PASSWORD.insecure - (Optional) Whether server should be accessed without verifying the TLS certificate. Can be sourced from KUBE_INSECURE. Defaults to false.client_certificate - (Optional) PEM-encoded client certificate for TLS authentication. Can be sourced from KUBE_CLIENT_CERT_DATA.client_key - (Optional) PEM-encoded client certificate key for TLS authentication. Can be sourced from KUBE_CLIENT_KEY_DATA.cluster_ca_certificate - (Optional) PEM-encoded root certificates bundle for TLS authentication. Can be sourced from KUBE_CLUSTER_CA_CERT_DATA.config_path - (Optional) Path to the kube config file. Can be sourced from KUBE_CONFIG_PATH.config_paths - (Optional) List of paths to kube config files. Can be sourced from KUBE_CONFIG_PATHS.config_context - (Optional) Context to choose from the config file. Can be sourced from KUBE_CTX.config_context_auth_info - (Optional) Authentication info context of the kube config (name of the kubeconfig user, --user flag in kubectl). Can be sourced from KUBE_CTX_AUTH_INFO.config_context_cluster - (Optional) Cluster context of the kube config (name of the kubeconfig cluster, --cluster flag in kubectl). Can be sourced from KUBE_CTX_CLUSTER.token - (Optional) Token of your service account. Can be sourced from KUBE_TOKEN.exec - (Optional) Configuration block to use an exec-based credential plugin, e.g. call an external command to receive user credentials.
api_version - (Required) API version to use when decoding the ExecCredentials resource, e.g. client.authentication.k8s.io/v1beta1.command - (Required) Command to execute.args - (Optional) List of arguments to pass when executing the plugin.env - (Optional) Map of environment variables to set when executing the plugin.RetroSearch is an open source project built by @garambo | Open a GitHub Issue
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