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|
{
pkgs,
lib,
config,
mkInstanceServices,
...
}:
let
s3RepositoryType = lib.types.submodule {
options = {
bucket = lib.mkOption {
type = lib.types.str;
default = "default-bucket-value";
description = "Bucket name for S3 repository.";
};
region = lib.mkOption {
type = lib.types.str;
default = "eu-central-003";
description = "Region for S3 repository.";
};
endpoint = lib.mkOption {
type = lib.types.str;
default = "https://s3.eu-central-003.backblazeb2.com";
description = "Endpoint for S3 repository.";
};
disableTLS = lib.mkOption {
type = lib.types.bool;
default = false;
description = "Disable TLS for S3 repository.";
};
};
};
b2RepositoryType = lib.types.submodule {
options = {
bucket = lib.mkOption {
type = lib.types.str;
default = "default-bucket-value";
description = "Bucket name for S3 repository.";
};
};
};
instanceType = lib.types.submodule {
options = {
repository = lib.mkOption {
type = lib.types.attrTag {
s3 = lib.mkOption {
type = s3RepositoryType;
};
b2 = lib.mkOption {
type = b2RepositoryType;
};
};
};
};
};
in
{
options.services.kopia.instances = lib.mkOption {
type = lib.types.attrsOf instanceType;
};
config = lib.mkIf config.services.kopia.enable {
# systemd service for repositories open
systemd.services =
let
mkRepositoryArgs =
name: instance:
(
if lib.hasAttr "s3" instance.repository then
[
"--bucket"
instance.repository.s3.bucket
"--endpoint"
instance.repository.s3.endpoint
"--region"
instance.repository.s3.region
]
++ (lib.optional (instance.repository.s3.disableTLS) "--disable-tls")
else if lib.hasAttr "b2" instance.repository then
[ "--bucket" instance.repository.b2.bucket ]
else
throw "Unsupported repository type for Kopia instance ${name}"
);
mkRepository =
let
mkTemplateRepository =
type: envs: name: instance:
lib.attrsets.nameValuePair "kopia-repository-${name}" {
description = "Kopia ${type} repository service";
serviceConfig =
let
startScript = pkgs.writeShellScript "start-repository.sh" ''
# Check required environment variables
for var in KOPIA_PASSWORD ${toString envs}; do
if [[ -z "''${!var}" ]]; then
echo "''$var is not set, exiting."
exit 1
fi
done
if ! ${pkgs.kopia}/bin/kopia repository connect ${type} ${lib.concatStringsSep " " (mkRepositoryArgs name instance)}; then
${pkgs.kopia}/bin/kopia repository create ${type} ${lib.concatStringsSep " " (mkRepositoryArgs name instance)};
fi
'';
stopScript = pkgs.writeShellScript "stop-repository.sh" ''
${pkgs.kopia}/bin/kopia repository disconnect
'';
in
{
Type = "oneshot";
User = "${instance.user}";
WorkingDirectory = "~";
SetLoginEnvironment = true;
EnvironmentFile = lib.mkIf (instance.environmentFile != null) instance.environmentFile;
RemainAfterExit = true;
ExecStart = "${startScript}";
ExecStop = "${stopScript}";
};
};
mkS3Repository = mkTemplateRepository "s3" [ "AWS_ACCESS_KEY_ID" "AWS_SECRET_ACCESS_KEY" ];
mkB2Repository = mkTemplateRepository "b2" [ "B2_KEY_ID" "B2_KEY" ];
dispatch = {
s3 = mkS3Repository;
b2 = mkB2Repository;
};
in
name: instance:
let
repoType = builtins.head (lib.attrNames instance.repository);
in
if lib.hasAttr repoType dispatch then
dispatch.${repoType} name instance
else
throw "Unsupported repository type for Kopia instance ${name}";
in
mkInstanceServices config.services.kopia.instances mkRepository;
};
}
|
