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-rw-r--r--nixos/modules/services/databases/cassandra.nix12
1 files changed, 11 insertions, 1 deletions
diff --git a/nixos/modules/services/databases/cassandra.nix b/nixos/modules/services/databases/cassandra.nix
index af0c29405c8f..ee6c092f0a45 100644
--- a/nixos/modules/services/databases/cassandra.nix
+++ b/nixos/modules/services/databases/cassandra.nix
@@ -13,7 +13,7 @@ let
endpoint_snitch = "SimpleSnitch";
seed_provider =
[{ class_name = "org.apache.cassandra.locator.SimpleSeedProvider";
- parameters = [ { seeds = "127.0.0.1"; } ];
+ parameters = [ { seeds = concatStringsSep "," cfg.seedAddresses; } ];
}];
data_file_directories = [ "${cfg.homeDir}/data" ];
commitlog_directory = "${cfg.homeDir}/commitlog";
@@ -163,6 +163,16 @@ in {
XML logback configuration for cassandra
'';
};
+ seedAddresses = mkOption {
+ type = types.listOf types.str;
+ default = [ "127.0.0.1" ];
+ description = ''
+ The addresses of hosts designated as contact points in the cluster. A
+ joining node contacts one of the nodes in the seeds list to learn the
+ topology of the ring.
+ Set to 127.0.0.1 for a single node cluster.
+ '';
+ };
allowClients = mkOption {
type = types.bool;
default = true;