Typesafe config if else. getProperty("config.

Typesafe config if else I prefer that format to the array one and I'd rather make my config cleaner than the code. Input Map and . append in collection is adding an element to a collection, while concat used to be adding multiple collections together, so I think append is better. How can I adjust this code so that I can use this module and inject like: val localValue = inject [String] ("property. resolve() However, when I try to run the jar file using spark-submit the file is not found. a field is a key, any separator such as ':', and a value. You can use, reference. conf (check @fcat's answer) returning the Config object and then use the origin() method on it. BCrypt // jbcrypt-0. 2. 1) The config is a tree, so there is not "a" key vale. file and friends in your question). typesafe:config is a type-safe configuration library for JVM languages. It's preferred if the configs config. Don't forget that Typesafe Config is written in java and entrySet returns java. g. e. Configuration may be in the form of JSON files, Java properties, or HOCON files; you may also build your own configuration in code or from your In my case the string which contains variable references is the JSON index/template definition, which ALSO comes from the typesafe config. Instead of calling pairs. This class describes the usage of ConfigFactory. I've actually followed the recommendation of Eugene and tried it and found out that it has a clumsy configuration and is subjected to bugs, which don't get fixed (such as this one). template_or_index. But both of these solutions require you to specify the property value as a string. List[String]. ConfigException$Missing: No configuration setting found for key foo, and you're sure that key is defined in your config file, they might appear e. toString print below Config(SimpleConfigObject({"key":"value"})) I can resolve substitutions when I parse config from string, but not when parsing from map or file. conf) Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I am using typeSafe config to load the properties from application. conf looks like this:. I packaged jar file using sbt assembly. The ActorSystem merges the reference. This could done via environment variables, command line flags, even loading configuration files from a url. conf or the file/resource given by Java properties (the -Dconfig. say I have some users who are not getting enough sleep, and one of them misconfigures their application like this (mis-spelling 'first'): As @ghik notes, the Typesafe Config library is Java based, so you get a java. stream config path should at least be defined in the reference. Contribute to andyglow/typesafe-config-scala development by creating an account on GitHub. conf, as described in the documentation. ) I resolve these refs using the utility method I wrote on top of apache. Commented Nov 21, 2018 at 17:42. You will get the ConfigOrigin object with the url field that points to your application. getProperty("config. properties rather than . Another strategy I'm using consists of using includes. to. The lib/dependency is also my code, btw. constant"+args(1)) // Use a Typesafe Config as a template and resolve variables using our build config + defaults val nextConf = ConfigFactory. getString("project. Creating a PropertySourceFactory and referencing that with @PropertySource. This allows us to handle these failures by either providing default values or by providing decent Use Config. Something like this. conf { city = ${fs. write optional value programmatically to Typesafe Config Object. conf contains all the default configuration settings, and your application. when you're loading configuration from a Config is an immutable object and thus safe to use from multiple threads. head continuing on Provides a safe API for parsing settings objects out of Typesafe Config. fs { city = "Delhi" number = 31 } myconf. 1,305 11 11 silver badges 19 19 bronze badges. Snapshots. city} number = ${fs. co I have a Scala project and I am reading config file to retrive value of constant from application. load() config. First, we have a TypesafeConfigPropertySource almost identical to what you have:. java Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I have a project that uses TypeSafe config. Here is the code where I load the typesafe config. output file with below content. conf - and trying to submit my jar. What about list configuration properties? There is a problem I have in my typesafe config + logback config + refined types + pure config When my config is not validated I get a raw exception without logback appender formatting use. API Doc Awesome Scala Login andyglow / typesafe-config-scala 2. ; Selecting the first one should be called MergeStrategy. typesafe" % "config" % "1. conf. val config = ConfigFactory. resolveWith(buildConf) MergeStrategy. config. It’s wh Explore some features of Typesafe Config that help with environment aware configuration setups. bar. conf in the root of the jar, and my project itself contains an overriding application. toList Or (probably less awkward) you look for a Scala library. Little scala extension to Typesafe Config. 8. If N is 1 (your tree is one level deep) then you CAN get a single key. environment variables always become a string value, though if an app asks for another type automatic type conversion would kick in There is a interface in com. bar I don't care if x or y both are present of either one is present. typesafe. JavaConversions. Best way would be to use a . I usually store my DEV settings in the default application. a simple value is any value excluding an object or array value. So either you make a conversion to a scala. I've been trying to use typesafe config to parse array-structured JSON response from a web service and got an exception that config has type LIST rather than object at a file root: com. Values are as in JSON (booleans, strings, numbers, lists, or objects), represented by ConfigValue instances. It supports types, loading convention, substitutions,properties merging, etc. groupBy(_. gensalt(12) // Default is 10, or 2**10 Contribute to andyglow/typesafe-config-scala development by creating an account on GitHub. collect(Collectors. number} cityNumberKey = ${conf. getString("complex-app. conf file is normall Is there any way for dynamically changing the fields of a Typesafe config file, using source code to populate placeholders? For example, assume the following simple configuration statement { values { string1: ${name1} string2: ${name2} string3: ${name3} string4: ${name4} } } and since apparently nobody else has a better suggestion, I will Spring Boot makes is very easy to read values from an external properties file. In my case, there exists a base conf file that has an array. Config to represent configuration. properties files only . Config for loading application. <groupId>com. _ val myList = modifyConfig. getList("path. conf, etc. something") I need to be able to parse a config file with free-form labels in places. I would like to use Typesafe's Config in my project but I don't want any passwords in clear text in any file on the file system of any integration or production server. One is loaded the easy way: private val config = ConfigFactory. It allows you to define configuration anywhere in your code with minimal knowledge of the whole configuration structure. the two halves of an object field. multi = [ "string" "list" ] multi=${?MULTI_ENV} But this way (if the environment variable MULTI_ENV is set to e. conf from the example application. 3. conf that is included with the akka-stream jar. Configuration of properties and setting log levels is done through Typesafe Config, using TypesafeConfigAction. java. conf to case class types. We have learned how to install it, create a configuration file and load that The examples in typesafe config require you to know a path to specify literally, e. toMap, you need to group each value by its key, first:. toConfig to convert between Config and Kotlin Objects. If you do want to use Config. // Annotations skipped, but correct public @interface Configuration { String value(); } And I wrote a module. For example, this also prints 1: My scala application will be packaged into a jar. { Config, ConfigFactory } // this can be set into the JVM environment variables, you can easily find it on google val configPath = System. The command I am running is the following: I'm using Typesafe config & have a config file in my resources directory which looks like this: something { another { someconfig=abc anotherconfig=123 } } How would I change the value of anotherconfig using scala? Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. You should see if calling System. Here is the line to add config to your sbt build file in its current version (I personnally use sbt but the library can also be imported with maven or downloaded manually): "com. It simply did not find the application. I want to load my own config from a configuration file. You signed out in another tab or window. value. load unless you want to use reference. a value is any "value" as defined in the JSON spec, plus unquoted strings and substitutions as defined in this spec. _1) // produces a Map[String, Array[(String, ConfigValue)] . 1. systemProperties(). _1)) // produces a Map[String, in a Scala research application, i load a hocon file using PureConfig's ConfigSource. public static Person getInstance(Config config) { return ConfigBeanFactory. I am using Typesafe config to create config files for various deployment environments - local. answered Mar 17, 2022 at 15:05. Using Typesafe’s Config for Scala (and Java) for Application Configuration Feb 23 2014. Is myService. My dependency has a reference. config. 3m. myapp { server-address = "localhost" server-port = 9000 some-other-setting = "cool !" Little scala extension to Typesafe Config. sparker sparker. 1. Overriding multiple config values in Typesafe config when using an uberjar to deploy. Typesafe config HOCON - guidance for environment variable replacement of lists? Hot Network Questions Pressing electric guitar strings out of tune How to remove plywood countertop in laundry room that’s glued? What is this corkscrew-like part and what is it for? What does "first-visit" actually mean in Monte Carlo First Visit implementation Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Visit the blog I think I came up with a slightly more idiomatic way than manually adding the PropertySource to the property sources. fromAnyRef failed typesafe config library has API to instantiate object from config that uses java bean convention. Typically you would load configuration with a static method from ConfigFactory and then use it with methods in the Config interface. " Fundamental operations on a Config include getting configuration values, resolving substitutions with resolve(), and merging configs using withFallback(ConfigMergeable). 3</version> You signed in with another tab or window. In general I suggest you use a good Scala typesafe wrapper of TypeSafe's Config such as Ficus (e. conf - the user's overrides of any of the above; The idea is that I don't want everything in a single config file, and run the risk of a bad edit causing configuration items to get lost. It can load resources from different places: files,URLs, classpath. If not interested in setting the alternative to application. Provides a safe API for parsing settings objects out of Typesafe Config. sbt I am assigning a setting key by calling a piece of my project dependency's code that in turn configures itself via Typesafe Config's ConfigFactory. I think the strategies should be a function value so it should start with lower case. conf files as it's files are not in Java properties syntax. Is there a cause of action for intentionally destroying a sand castle someone else has built on a public beach? more hot questions Question You're probably using Akka 2. The method toMap is found on a collection of type Collection[(K, V)] (collections of 2-tuples), and it returns a Map[K, V]. i use this to build a batch of variations dynamically. What you have learned In this post, you learned how to create type-safe configuration properties in Spring Boot 2. Here's the logback. The reference. Improve this answer. extract<T> and Any. conf") . Is it possible? conf/env/default. I'm using the sbt-assembly plugin to create an uber jar and then deploying this jar. parseString(input) Here is typesafe config documentatioin. According to it it is possible to override a properties like that: akka { loglevel = DEBUG loglevel = ${?LOG_LEVEL} } So in that case logLevel will be a DEBUG or value from LOG_LEVEL system variable. It loads multiple configuration files. load() val param = config. 116. An API for loading and using configuration files, see the project site for more information. pairs. Make it easy to change just those settings without changing–or duplicating–anything else. sbt? 18. Hi I am trying to load configuration from a String in Java as follows: @Test public void testIllegalCharacter(){ String input = "prop=\\asd"; Config conf = ConfigFactory. Let's dive a little deeper and show examples with some of the more useful features built into Typesafe Config. Get rid of if hasPath this else that by leveraging notion of options // optional value val val1: Option [String sbt. root() to get the ConfigObject for the Config; ConfigObject implements java. From Hocon docs:. Add a I have a Spark application which I am trying to package as a fat jar and deploy to the local cluster with spark-submit. conf file then I create a new conf file for other environments and include the default one. I have the same problem that @havocp mentioned (in the context of using it from inside the config file, not in code) . Definitely avoid copying the same value across Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Visit the blog I want to automatically inject configuration items using Guice. import java. I am using typesafe. commons StrSubstitutor. The bonus point here com. 13. After loading the config I want to be able to inject the config values using Scaldi. Does Typesafe Config allow to create conditional configurations? I need to set a key depending on the value of another key: ssl = true #if ssl == true host = "https://localhost" #else host = "http://localhost" #end if Recently I discovered an awesome Java library about configuration — TypesafeConfig (GitHub). If not, then HOSTNAME is not an env variable according to the java runtime which is what is important for mapping that to a config property in typesafe config. Conclusion. 1 In build. I just want to check if configuration for bar is present in config. withFallback(masterConfig). Been successful in mapping HOCON . If you see errors like com. load then you should do it after you have composed all the configs together using withFallback. There's never a need for "defensive copies. I would like my clients to provide their own conf file that would override certain elements of the array in the base conf file. origin() I've an Akka application which uses multiple configuration values (IP address, port numbers) defined in resource/application. I am looking for functionality similar to the Typesafe Config library but other solutions are welcome too ! Is there a way to do something like below: val hdfsConfig = ConfigFactory. Therefore, the source code is well decoupled from For posterity, here's another way to iterate over a nested config like you had. conf - the environment-specific values ; application. parseMap(myMap) myConfig. Scala - how to set data into placeholder from config file? unfortunately the config file cannot be parsed anymore: 45: Expecting close brace } or a comma, got ':' (if you intended ':' to be part of the value for 'url', try enclosing the value in double quotes, or you may be able to rename the file . (see es. it has a default behavior that sort of figures out what Object what you need as long as the field names in the config matches the ones in your case class, but you can also provide your own reader to map the config fields to your case class. : config1. i. 11:1. Provide details and share your research! But avoid . withFallback(referenceConfig) Each of the configs like masterConfig would have been loaded with Config. util. load( "test-parameters" ) This one seems to honor the foo = ${?ENV_VAR} override syntax, whether ENV_VAR is passed in via the environment, or via Java System Properties (-DXXX=). 10. Is there a way to override the whole application. This answer is based on Typesafe Config 1. getStringList("mylist"). But as I understand case class does not follow those rules. My configuration framework is typesafe's config. Access fully parsed config in typesafe config. io. conf, staging. {Config, ConfigFactory} import scala. public class MyObject { @Configuration("value") int value; } To do that, I wrote an annotation. else { import org. HashMap[String,AnyRef]() val myConfig = ConfigFactory. This is very flexible. jbcrypt. conf file at first I like the typesafe config lib but I have not yet figured out if and how it would be possible to optionally override certain multi values. Add a comment | 5 . Gradle-stype artifact dependency net. I think this feature would be really helpful. Let's say my DEV conf application. , supress default apply() and copy()), I am using following definition approach for case class: PropertiesParser always interprets system properties as String, unlike file-based config where types such as Number or Boolean are derived based on the value. file() method, which represents the default configuration for a research experiment. The TypeSafe Config library is an invaluable tool for hiring Scala developers. See the Like the Environment class, the Configuration can be accessed via the Configuration. Config is an immutable object and thus safe to use from multiple threads. properties present under src/main/resources into Scala code. ValidationFailed - If the config doesn't conform to the bean's implied schema Alas, typesafe config which is otherwise a fantastic library decided to make config as Map so unintuitive! Share. 16 (directly or indirectly), in which case the "extra" configuration settings are pulled from the reference. conf with your Don't use Logula. It supports Java properties, JSONand a human-friendly JSON superset. Duplicate keys are lost. mindrot. . typesafe config: define global configurations to be used in "sub-configs " 5 How to read environment variables in TypeSafe config in scala? Previously we covered environment aware configurations for building a simple default config with overrides for local development and production. conf is mostly from ConfigFactory. In my Scala application I have a configuration like this: datasets { dataset1 = "path1" dataset2 = "path2" dataset3 = "path3" } Ho do I iterate over all the datasets to get a map Typesafe config: How to iterate over configuration items. Config: Config withValue(String path, ConfigValue value); Suppose now I want to save an object whose class is defined by myself into the Config, what should I do？ The function ConfigValueFactory. 0. getConfig("Person"), Person. List[String] instead of a scala. If you want to learn more about Spring Boot 2, please check out the Spring Guides. getenv("HOSTNAME") returns a non-null value. you will need to use something like this which leverages the use of Scala implicits. Paths are dot-separated expressions such as foo. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company The behavior of Lightbend Config around loading application. Without having to do any configuration, you are able to inject values to instance fields using the @Value annotation or using Spring’s Environment abstraction. Providing default value on typesafe config getters. get You don't need to use Config. Map<String,?> and the get() method on Map returns null for missing keys. Asking for help, clarification, or responding to other answers. While running the code from eclipse, the properties are getting loaded. Set, so you need to import scala. baz. create(config. Documentation. value / "jobs/default. path") val config = An immutable map from config paths to config values. Follow edited Dec 2, 2024 at 11:22. 0. after making a few modifications related to a specific experimental variation, i then parse the config into a case class structure using pureconfig's auto parser. for example, my logback looks like How can I solve my problem? Typesafe Config does not take System properties that were set in runtime. Retrieving a sub-tree of the given Config returns another Config. – Reid Spencer. parseFile((baseDirectory in ThisBuild). conf in my Scala class and with this method the configuration files which resides in src/main/resources is resolved properly: val config = ConfigFactory. map(configValue -> (ArrayList) configValue. keys"). withFallback(applicationConfig). Features include config value resolution and boolean helpers. It doesn't look to be well maintained and it doesn't support Scala 2. Spring Boot also provides a type-safe way a key is a string JSON would have to the left of : and a value is anything JSON would have to the right of :. i use this library with my own projects and i can say that it I want to generate Hocon config dynamically. , values in the new conf file are used) Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Config4k is a lightweight Typesafe Config wrapper for Kotlin and inspired by ficus, providing simple extension functions Config. I tried this with HOSTNAME and even though I could echo it in bash, it was not available in java as a env substitution. Rename it application. class); } You'd get back a Person with first/last == mike/shmoe Now. To get the path of your config file first get a subtree existing in your application. Reload to refresh your session. typesafe</groupId> <artifactId>config</artifactId> <version>1. map(_. json, below. It provides a flexible and powerful way to manage configuration in your Scala applications. load(), which will look for application. conf:. This causes an inconsistency where, say, a property in a . 2" In the application, the configuration is an instance of the Config class, loaded using the ConfigFactory class. Iterating over Java collections in Scala. mapValues(_. Are you using an IDE or sbt? I had a similar problem while using Eclipse. stream() . conf, and production. version=0. load(); but we are big fans of making everything explicit. discard would kill both the old and new file. ceedubs:ficus_2. 4. Values accessed through the Config interface are never null. conf in src/main/resources. Passing Command-Line Arguments to SBT for Setting TypeSafe Config Key-Value. Some features include reading config values as lists, configuration resolution, fallback configs, memory Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Typesafe Config has several default configuration locations it looks at when loading through ConfigFactory. Setting configuration properties to access in REPL. List: import collection. city}"_"${conf . getConfig("sample-configuration"). Iteration over typesafe files. For a given setting, you either have one path, or N keys. BadBean - If something is wrong with the JavaBean ConfigException. conf file by using another file that is outside the uber jar ? (i. conf - the default configuration values for all environments; conf/env/<env>. In this case, the typesafe people represent the list internally as an ArrayList so you have to make the cast when you unwrap the ConfigValue object. parseFile. "value1,value2" or "value1 value2") of course the It is strange, because the akka. get method and you will get autocomplete and type safety. For more information see the documentation. collection. In this tutorial, we have explored the basics of the TypeSafe Config library in Scala. conf through Java properties, one can load a different resource from the aar android apache api application arm assets build build-system bundle client clojure cloud config cran data database eclipse example extension framework github gradle groovy ios javascript kotlin library logging maven mobile module npm osgi persistence plugin resources rlang sdk server service spring sql starter testing tools ui war web webapp You could turn config into a method with support for config cache invalidation (and with sensible defaults), so you can choose between dynamic (default in the following sample) and performance. public class TypesafeConfigPropertySource extends PropertySource<Config> { Typesafe Config uses interface com. 0 GNU General Public License Get rid of if hasPath this else that by leveraging notion of options // optional value val val1: Option [String] = config. block{ key1 : value key2 : value } Trying to read map var myMap = new util. - ccadllc/cedi-config. Because of the advantages of type-safe configuration properties, it is a recommended practice to prefer them to the @Value annotation approach. conf file and the ConfigFactory instead of having to do all the file parsing by yourself:. Typesafe Config does not read . jar // Salt will be incorporated in the password hash val salt = BCrypt. load("my_path/hdfs I am trying to incorporate Pureconfig in my use case for typesafe configurations. File import com. For example I have the below config: foo { bar { x = 42 y = 92 } } Here I want to check if my conf contains any configuration for foo. However, if I have to constrain my types with no side-effects on the object definition side (i. 3. Skip to content If necessary, the name of the discriminator can be changed from type to something else by defining an implicit DiscriminatorKey[X] for Use multiple withFallback with the configs that have the highest priority first. name") Using Lightbend Config (Typesafe Config) to load configuration with environment/ role specific overrides - Conffigs. For example: Config finalConfig = ConfigFactory. You switched accounts on another tab or window. Use Using Typesafe Config's ConfigFactory to set key setting in build. Type Parameters: T - the type of the class to be instantiated Parameters: config - source of config information clazz - class to be instantiated Returns: an instance of the class populated with data from the config Throws: ConfigException. unwrapped()) . conf can override any of those settings. There are several scala libraries that wrap typesafe config and provide scala specific functionality that you are looking for. jar a fat jar? How do you load the configuration? – and then call entrySet on this config and you'll get all the entries not from the root object, but from the perks. _ No, that's not possible. toList()) A ConfigList contains ConfigValue instances. When I run my app, it needs to read an additional config file stored externally to my app jar. It's in Human Some handle runtime failures due to invalid configuration schemas by leveraging data types like Result to represent missing values or errors. hirp ggoft bgce gcg qmrhm iaque vxwz tgvly hlro dwhivt