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@ -21,5 +21,6 @@ short-title: Services
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- [[tempo]]
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- [[prometheus]]#
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- [[cassandra]]#
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- [[weaviate]]#
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[gh]: https://github.com/juspay/services-flake/issues/132
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67
doc/weaviate.md
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67
doc/weaviate.md
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@ -0,0 +1,67 @@
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# Weaviate
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[Weaviate] is an open-source vector database that stores both objects and vectors, allowing for the combination of vector search with structured filtering with the fault tolerance and scalability of a cloud-native database.
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[Weaviate]: https://github.com/weaviate/weaviate
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{#start}
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## Getting started
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```nix
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# In `perSystem.process-compose.<name>`
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{
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services.weaviate."weaviate1".enable = true;
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}
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```
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{#tips}
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## Tips & Tricks
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{#envs}
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### Environment variables
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To see list of environment variables, see [this link](https://weaviate.io/developers/weaviate/config-refs/env-vars).
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```nix
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{
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services.weaviate."weaviate1" = {
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enable = true;
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envs = {
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AUTHENTICATION_ANONYMOUS_ACCESS_ENABLED = true;
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QUERY_DEFAULTS_LIMIT = 100;
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DISABLE_TELEMETRY = true;
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LIMIT_RESOURCES = true;
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ENABLE_MODULES = ["text2vec-openai" "generative-openai"];
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};
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};
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}
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```
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{#port}
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### Use a different port
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```nix
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{
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services.weaviate."weaviate1" = {
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enable = true;
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port = 8080;
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};
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}
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```
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{#dataDir}
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### Use a different data path
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```nix
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{
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services.weaviate."weaviate1" = {
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enable = true;
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dataDir = "./data";
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};
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}
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```
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@ -18,5 +18,6 @@ in
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./pgadmin.nix
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./cassandra.nix
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./tempo.nix
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./weaviate.nix
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];
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}
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99
nix/weaviate.nix
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99
nix/weaviate.nix
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@ -0,0 +1,99 @@
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{ pkgs, lib, name, config, ... }:
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let
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inherit (lib) types;
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asAtom = value:
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if builtins.isList value then lib.concatStringsSep "," value else value;
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toStr = value:
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if builtins.isString value then value else builtins.toJSON value;
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in
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{
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options = {
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enable = lib.mkEnableOption name;
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package = lib.mkPackageOption pkgs "weaviate" { };
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dataDir = lib.mkOption {
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type = types.str;
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default = "./data/${name}";
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description = "Path to the Weaviate data store";
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};
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host = lib.mkOption {
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type = types.str;
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default = "127.0.0.1";
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description = ''
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The IP to listen on
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'';
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example = "0.0.0.0";
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};
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port = lib.mkOption {
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type = types.port;
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default = 8080;
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description = ''
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The port to listen on for connections
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'';
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};
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environment = lib.mkOption {
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type = types.attrsOf (types.oneOf [ types.raw (types.listOf types.str) ]);
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default = { };
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description = ''
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Weaviate environment variables.
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See https://weaviate.io/developers/weaviate/config-refs/env-vars
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'';
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example = lib.literalExpression ''
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{
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AUTHENTICATION_ANONYMOUS_ACCESS_ENABLED = true;
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QUERY_DEFAULTS_LIMIT = 100;
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DISABLE_TELEMETRY = true;
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LIMIT_RESOURCES = true;
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ENABLE_MODULES = ["text2vec-openai" "generative-openai"];
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}
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'';
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apply = lib.mapAttrs (_: value: toStr (asAtom value));
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};
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outputs.settings = lib.mkOption {
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type = types.deferredModule;
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internal = true;
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readOnly = true;
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default = {
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processes = {
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"${name}" =
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let
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startScript = pkgs.writeShellApplication {
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name = "start-weaviate";
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runtimeInputs = [ config.package ];
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text = ''
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exec weaviate --scheme http --host ${config.host} --port ${toString config.port}
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'';
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};
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in
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{
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environment = config.environment // { "PERSISTENCE_DATA_PATH" = config.dataDir; };
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command = startScript;
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readiness_probe = {
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http_get = {
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inherit (config) host port;
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path = "/v1/.well-known/ready";
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};
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initial_delay_seconds = 3;
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period_seconds = 10;
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timeout_seconds = 4;
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success_threshold = 1;
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failure_threshold = 5;
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};
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namespace = name;
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# https://github.com/F1bonacc1/process-compose#-auto-restart-if-not-healthy
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availability.restart = "on_failure";
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};
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};
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};
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};
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};
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}
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24
nix/weaviate_test.nix
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24
nix/weaviate_test.nix
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@ -0,0 +1,24 @@
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{ pkgs, config, ... }: {
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services.weaviate."weaviate1" = {
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enable = true;
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environment = {
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# To fix the problem with nix failing to run weaviate in sandbox mode
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CLUSTER_ADVERTISE_ADDR = "127.0.0.1";
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};
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};
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settings.processes.test =
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let
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cfg = config.services.weaviate."weaviate1";
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in
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{
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command = pkgs.writeShellApplication {
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runtimeInputs = [ cfg.package pkgs.curl ];
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text = ''
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curl http://localhost:8080/v1/.well-known/live
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'';
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name = "weaviate-test";
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};
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depends_on."weaviate1".condition = "process_healthy";
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};
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}
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"${inputs.services-flake}/nix/pgadmin_test.nix"
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"${inputs.services-flake}/nix/cassandra_test.nix"
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"${inputs.services-flake}/nix/tempo_test.nix"
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"${inputs.services-flake}/nix/weaviate_test.nix"
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]);
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};
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};
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