ConfigReloadUtil does not use sources listed in env specific yml files

[bajibalu]

Describe the bug
I am trying to use config map to override some configs in my spring app. When I keep all the configurations in application.yml file the context gets reloaded and the values in the kubernetes config-map replaces the default config values in application.yml.

bootstrap.yaml

spring:
  application:
    name: spring-cm
  cloud:
    kubernetes:
      config:
        enabled: true

application.yml

spring:
  main:
    cloud-platform: kubernetes
  application:
    name: spring-cm
  profiles:
    active: dev
  cloud:
    kubernetes:
      config:
        namespace: spring-apps
        name: app-config-overrides
      reload:
        enabled: true
        monitoring-config-maps: true
        strategy: refresh
        mode: polling
  config:
    import: "kubernetes:"

springapp:
  cm:
    direct-message: "YAML: Hello!!!"
    app-yaml-message: "YAML: Hello!!!"
    numberVar: 2
    numberVal: 2

The logs below confirm that the above configuration is correct.

2025-01-17 18:43:28 level=DEBUG  logger=org.springframework.cloud.kubernetes.client.config.KubernetesClientConfigMapsCache message=Loaded all config maps in namespace 'spring-apps'
2025-01-17 18:43:28 level=DEBUG  logger=org.springframework.cloud.kubernetes.commons.config.ConfigUtils message=Found source with name : 'app-config-overrides' in namespace: 'spring-apps'
2025-01-17 18:43:28 level=DEBUG  logger=org.springframework.cloud.kubernetes.commons.config.SourceDataEntriesProcessor message=The single property with name: [application.yaml] will be treated as a yaml file
2025-01-17 18:43:28 level=DEBUG  logger=org.springframework.beans.factory.config.YamlPropertiesFactoryBean message=Loading from YAML: Byte array resource [resource loaded from byte array]
2025-01-17 18:43:28 level=DEBUG  logger=org.springframework.beans.factory.config.YamlPropertiesFactoryBean message=Matched document with default matcher: {springapp.cm={appYamlMessage=ConfigMap: Hello v1!!!, directMessage=ConfigMap: Hello!!!}}
2025-01-17 18:43:28 level=DEBUG  logger=org.springframework.beans.factory.config.YamlPropertiesFactoryBean message=Loaded 1 document from YAML resource: Byte array resource [resource loaded from byte array]
2025-01-17 18:43:28 level=WARN   logger=org.springframework.cloud.kubernetes.commons.config.ConfigUtils message=sourceName : app-config-overrides-dev was requested, but not found in namespace : spring-apps
2025-01-17 18:43:28 level=DEBUG  logger=org.springframework.cloud.kubernetes.commons.config.ConfigMapPropertySourceLocator message=Adding config map property source configmap.app-config-overrides.spring-apps
2025-01-17 18:43:28 level=DEBUG  logger=org.springframework.cloud.kubernetes.commons.config.ConfigMapPropertySourceLocator message=paths property sources : []
2025-01-17 18:43:28 level=DEBUG  logger=org.springframework.cloud.kubernetes.commons.config.reload.ConfigReloadUtil message=environment from locateMapPropertySources : ApplicationServletEnvironment {activeProfiles=[dev], defaultProfiles=[default], propertySources=[MapPropertySource@1620993234 {name='server.ports', properties={local.server.port=8080}}, ConfigurationPropertySourcesPropertySource@1289744459 {name='configurationProperties', properties=org.springframework.boot.context.properties.source.SpringConfigurationPropertySources@1d9bf948}, StubPropertySource@122474156 {name='servletConfigInitParams', properties=java.lang.Object@d85d5f2}, ServletContextPropertySource@1055601057 {name='servletContextInitParams', properties=org.apache.catalina.core.ApplicationContextFacade@7c78ce8d}, PropertiesPropertySource@488658432 {name='systemProperties', properties={java.specification.version=21, sun.jnu.encoding=UTF-8, 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LOGNAME=bbalu, DB_HOME=/Users/bbalu/work/db, SERVICEMIX_HOME=/Users/bbalu/work/servers/servicemix-7.0.1, __CF_USER_TEXT_ENCODING=0x1F6:0x0:0x0, XPC_FLAGS=0x0, spring.cloud.kubernetes.client.namespace=spring-apps, SOURCE_ROOT=/Users/bbalu/work/workspace/tls/lpas/lpas-grid, P4CONFIG=/Users/bbalu/work/bin/p4.ini, LC_CTYPE=en_US.UTF-8, GRADLE_USER_HOME=/Users/bbalu/work/repo/gradle, CATALINA_HOME=/Users/bbalu/work/servers/tomcat-8.0.26-x64, GEMFIRE_BASE=/Users/bbalu/work/servers/gemfire_820_b17919_linux/deploy, WORK_BIN=/Users/bbalu/work/bin, SSH_AUTH_SOCK=/private/tmp/com.apple.launchd.rcHYvfWEr0/Listeners, OLDPWD=/, WORK_HOME=/Users/bbalu/work, XPC_SERVICE_NAME=application.com.jetbrains.intellij.759892.759898, spring_debug=-Dspring-boot.run.jvmArguments="-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=5005", USER=bbalu, HOMEBREW_CELLAR=/opt/homebrew/Cellar, GRADLE_HOME=/Users/bbalu/work/tools/gradle/7.6, PWD=/Users/bbalu/work/workspace/my-apps/spring-configmap-example}}, RandomValuePropertySource@195022150 {name='random', properties=java.util.Random@113ff4e9}, CachedRandomPropertySource@70164941 {name='cachedrandom', properties=RandomValuePropertySource@195022150 {name='random', properties=java.util.Random@113ff4e9}}, CompositePropertySource {name='composite-configmap', propertySources=[KubernetesClientConfigMapPropertySource@1879071388 {name='configmap.app-config-overrides.spring-apps', properties={springapp.cm.directMessage=ConfigMap: Hello!!!, springapp.cm.appYamlMessage=ConfigMap: Hello!!!}}]}, CompositePropertySource {name='composite-secrets', propertySources=[]}, OriginTrackedMapPropertySource@83909671 {name='Config resource 'class path resource [application.yml]' via location 'optional:classpath:/'', properties={spring.main.cloud-platform=kubernetes, spring.application.name=spring-cm, spring.profiles.active=dev, spring.cloud.kubernetes.config.namespace=spring-apps, spring.cloud.kubernetes.config.name=app-config-overrides, spring.cloud.kubernetes.reload.enabled=true, spring.cloud.kubernetes.reload.monitoring-config-maps=true, spring.cloud.kubernetes.reload.strategy=refresh, spring.cloud.kubernetes.reload.mode=polling, spring.config.import=kubernetes:, springapp.cm.direct-message=YAML: Hello!!!, springapp.cm.app-yaml-message=YAML: Hello!!!, springapp.cm.numberVar=2, springapp.cm.numberVal=2, management.endpoints.web.exposure.include=info,health,metrics,loggers,refresh,beans,heapdump}}, MapPropertySource@1802922194 {name='springCloudClientHostInfo', properties={spring.cloud.client.hostname=172.17.40.151, spring.cloud.client.ip-address=172.17.40.151}}, ApplicationInfoPropertySource@438799544 {name='applicationInfo', properties={spring.application.pid=46233}}, @1877436809 {name='Management Server', properties=java.lang.Object@370fbc5f}]}
2025-01-17 18:43:28 level=DEBUG  logger=org.springframework.cloud.kubernetes.commons.config.reload.ConfigReloadUtil message=sources from locateMapPropertySources : [KubernetesClientConfigMapPropertySource@1074030799 {name='configmap.app-config-overrides.spring-apps', properties={springapp.cm.directMessage=ConfigMap: Hello!!!, springapp.cm.appYamlMessage=ConfigMap: Hello v1!!!}}]
2025-01-17 18:43:28 level=DEBUG  logger=org.springframework.cloud.kubernetes.commons.config.reload.ConfigReloadUtil message=found change in : KubernetesClientConfigMapPropertySource@1074030799 {name='configmap.app-config-overrides.spring-apps', properties={springapp.cm.directMessage=ConfigMap: Hello!!!, springapp.cm.appYamlMessage=ConfigMap: Hello v1!!!}}
2025-01-17 18:43:28 level=INFO   logger=org.springframework.cloud.kubernetes.commons.config.reload.ConfigReloadUtil message=Detected change in config maps/secrets, reload will ne triggered
2025-01-17 18:43:28 level=INFO   logger=org.springframework.cloud.kubernetes.commons.config.reload.PollingConfigMapChangeDetector message=Detected change in config maps
2025-01-17 18:43:28 level=INFO   logger=org.springframework.cloud.kubernetes.commons.config.reload.ConfigurationChangeDetector message=Reloading using strategy: REFRESH

However, I would like to have different config-maps for different environments like test and prod. But it looks like org.springframework.cloud.kubernetes.commons.config.reload.ConfigReloadUtil does not use the spring.cloud.kubernetes.config.name or spring.cloud.kubernetes.config.sources[].name from environment specific yml files. When I remove the config.name from application.yml and add the same (and/or config.sources[].name) to environment specific yml file like below, the ConfigReloadUtil does not detect the changes in the config map.

application-dev.yml

spring:
  cloud:
    kubernetes:
      config:
        enabled: true
        name: app-configs-overrides
        sources:
          - name: app-config-overrides

Below log shows the context is not getting reloaded but I have updated the config map.

2025-01-17 18:47:10 level=DEBUG  logger=org.springframework.cloud.kubernetes.client.config.KubernetesClientConfigMapsCache message=Loaded all config maps in namespace 'spring-apps'
2025-01-17 18:47:10 level=WARN   logger=org.springframework.cloud.kubernetes.commons.config.ConfigUtils message=sourceName : spring-configmap-example was requested, but not found in namespace : spring-apps
2025-01-17 18:47:10 level=WARN   logger=org.springframework.cloud.kubernetes.commons.config.ConfigUtils message=sourceName : spring-configmap-example-dev was requested, but not found in namespace : spring-apps
2025-01-17 18:47:10 level=DEBUG  logger=org.springframework.cloud.kubernetes.commons.config.NamedSourceData message=Will return empty source with name : configmap.spring-configmap-example.spring-apps
2025-01-17 18:47:10 level=DEBUG  logger=org.springframework.cloud.kubernetes.commons.config.ConfigMapPropertySourceLocator message=Adding config map property source configmap.spring-configmap-example.spring-apps
2025-01-17 18:47:10 level=DEBUG  logger=org.springframework.cloud.kubernetes.commons.config.ConfigMapPropertySourceLocator message=paths property sources : []
2025-01-17 18:47:10 level=DEBUG  logger=org.springframework.cloud.kubernetes.commons.config.reload.ConfigReloadUtil message=environment from locateMapPropertySources : ApplicationServletEnvironment {activeProfiles=[dev], defaultProfiles=[default], propertySources=[MapPropertySource@393666918 {name='server.ports', properties={local.server.port=8080}}, ConfigurationPropertySourcesPropertySource@34964233 {name='configurationProperties', properties=org.springframework.boot.context.properties.source.SpringConfigurationPropertySources@371887f0}, StubPropertySource@1351092924 {name='servletConfigInitParams', properties=java.lang.Object@3ebc4019}, ServletContextPropertySource@278892812 {name='servletContextInitParams', properties=org.apache.catalina.core.ApplicationContextFacade@63cba3e8}, PropertiesPropertySource@1929808071 {name='systemProperties', properties={java.specification.version=21, sun.jnu.encoding=UTF-8, 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-core-6.2.1.jar:/Users/bbalu/work/repo/mvn/org/springframework/spring-jcl/6.2.1/spring-jcl-6.2.1.jar, java.vm.vendor=Eclipse Adoptium, sun.arch.data.model=64, java.vendor.url=https://adoptium.net/, catalina.useNaming=false, user.timezone=America/Chicago, java.vm.specification.version=21, os.name=Mac OS X, APPLICATION_NAME=spring-configmap-example, sun.java.launcher=SUN_STANDARD, user.country=US, sun.boot.library.path=/Users/bbalu/work/repo/gradle/jdks/eclipse_adoptium-21-aarch64-os_x.2/jdk-21.0.5+11/Contents/Home/lib, spring.application.admin.enabled=true, sun.java.command=my.test.spring.cm.ApplicationKt, com.sun.management.jmxremote=, http.nonProxyHosts=local|*.local|169.254/16|*.169.254/16, jdk.debug=release, spring.liveBeansView.mbeanDomain=, sun.cpu.endian=little, user.home=/Users/bbalu, user.language=en, sun.stderr.encoding=UTF-8, java.specification.vendor=Oracle Corporation, java.version.date=2024-10-15, java.home=/Users/bbalu/work/repo/gradle/jdks/eclipse_adoptium-21-aarch64-os_x.2/jdk-21.0.5+11/Contents/Home, spring.profiles.active=dev, spring.output.ansi.enabled=always, file.separator=/, java.vm.compressedOopsMode=Zero based, sun.stdout.encoding=UTF-8, line.separator=
, java.vm.specification.vendor=Oracle Corporation, java.specification.name=Java Platform API Specification, FILE_LOG_CHARSET=UTF-8, java.awt.headless=true, apple.awt.application.name=ApplicationKt, sun.management.compiler=HotSpot 64-Bit Tiered Compilers, ftp.nonProxyHosts=local|*.local|169.254/16|*.169.254/16, java.runtime.version=21.0.5+11-LTS, user.name=bbalu, spring.jmx.enabled=true, stdout.encoding=UTF-8, path.separator=:, management.endpoints.jmx.exposure.include=*, os.version=15.2, java.runtime.name=OpenJDK Runtime Environment, file.encoding=UTF-8, java.vm.name=OpenJDK 64-Bit Server VM, java.vendor.version=Temurin-21.0.5+11, java.vendor.url.bug=https://github.com/adoptium/adoptium-support/issues, java.io.tmpdir=/var/folders/7f/65xw8t514vn93l5sfs67vgch0000gp/T/, catalina.home=/private/var/folders/7f/65xw8t514vn93l5sfs67vgch0000gp/T/tomcat.8080.9396860844211928285, java.version=21.0.5, user.dir=/Users/bbalu/work/workspace/my-apps/spring-configmap-example, os.arch=aarch64, java.vm.specification.name=Java Virtual Machine Specification, PID=49574, CONSOLE_LOG_CHARSET=UTF-8, catalina.base=/private/var/folders/7f/65xw8t514vn93l5sfs67vgch0000gp/T/tomcat.8080.9396860844211928285, native.encoding=UTF-8, java.library.path=/Users/bbalu/Library/Java/Extensions:/Library/Java/Extensions:/Network/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java:., java.vm.info=mixed mode, emulated-client, sharing, stderr.encoding=UTF-8, java.vendor=Eclipse Adoptium, java.vm.version=21.0.5+11-LTS, java.rmi.server.randomIDs=true, sun.io.unicode.encoding=UnicodeBig, socksNonProxyHosts=local|*.local|169.254/16|*.169.254/16, java.class.version=65.0, LOGGED_APPLICATION_NAME=[spring-configmap-example] }}, OriginAwareSystemEnvironmentPropertySource@803643958 {name='systemEnvironment', properties={HOMEBREW_PREFIX=/opt/homebrew, GOPATH=/Users/bbalu/work/runtimes/go/1.16.1, MANPATH=/opt/homebrew/share/man::, COMMAND_MODE=unix2003, INFOPATH=/opt/homebrew/share/info:, SHELL=/bin/zsh, TMPDIR=/var/folders/7f/65xw8t514vn93l5sfs67vgch0000gp/T/, __CFBundleIdentifier=com.jetbrains.intellij, TOMCAT_HOME=/Users/bbalu/work/servers/tomcat-8.0.26-x64, HOME=/Users/bbalu, HOMEBREW_REPOSITORY=/opt/homebrew, GEMFIRE=/Users/bbalu/work/servers/gemfire_820_b17919_linux, TOOLS_HOME=/Users/bbalu/work/tools, PATH=/opt/homebrew/bin:/opt/homebrew/sbin:/usr/local/bin:/System/Cryptexes/App/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/local/bin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/bin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/appleinternal/bin:/usr/local/sbin:/Users/bbalu/work/bin:/Users/bbalu/.local/bin:/Users/bbalu/work/runtimes/android/sdk/platform-tools:/Users/bbalu/work/runtimes/android/cmdline-tools/bin:/Users/bbalu/work/runtimes/go/1.16.1/bin:/Users/bbalu/work/db/neo4j/5.25.1/bin:/Users/bbalu/work/tools/kafka/2.4.0/bin:/Users/bbalu/work/tools/apache-axis2/1.7.5/bin:/Users/bbalu/work/db/apache-cassandra/3.11.14/bin:/Users/bbalu/work/tools/apache-cxf/3.1.12/bin:/Users/bbalu/work/tools/aws_key_gen/0.11.2:/Users/bbalu/work/tools/aws-cli/2.22.32/bin:/Users/bbalu/work/tools/aws-sm/bin:/Applications/Docker.app/Contents/Resources/bin/:/Users/bbalu/work/tools/egctl/1.35.0:/Users/bbalu/work/tools/elasticsearch/8.8.1/bin:/Users/bbalu/work/tools/gradle/7.6/bin:/Users/bbalu/work/tools/grpcui/1.3.1:/Users/bbalu/work/tools/helm/3.12.0/bin:/Users/bbalu/work/tools/kibana/7.17.7/bin:/Users/bbalu/work/tools/kubectl/v1.15.12:/Users/bbalu/work/tools/apache-maven/3.6.3/bin:/Users/bbalu/work/tools/memgraph/console/1.4.0:/Users/bbalu/work/tools/minikube/v1.34.0:/Users/bbalu/work/tools/pnpm/9.4.0/bin:/Users/bbalu/work/tools/prism-x64:/Users/bbalu/work/tools/protobuf/3.11.4:/Users/bbalu/work/tools/redis/6.0.6/bin:/Users/bbalu/work/tools/terraform/0.14.7:/Users/bbalu/work/tools/vcert/v5.1.1:/Users/bbalu/work/tools/visualvm/2.1.10/bin:/Users/bbalu/work/tools/yarn/1.16.0/bin:/Users/bbalu/work/tools/zipkin/2.23.2/bin:/Users/bbalu/work/servers/servicemix-7.0.1/bin:/Users/bbalu/work/servers/gemfire_820_b17919_linux/bin:/Users/bbalu/work/workspace/tls/lpas/lpas-grid/src:/Users/bbalu/.local/bin, LOGNAME=bbalu, DB_HOME=/Users/bbalu/work/db, SERVICEMIX_HOME=/Users/bbalu/work/servers/servicemix-7.0.1, __CF_USER_TEXT_ENCODING=0x1F6:0x0:0x0, XPC_FLAGS=0x0, spring.cloud.kubernetes.client.namespace=spring-apps, SOURCE_ROOT=/Users/bbalu/work/workspace/tls/lpas/lpas-grid, P4CONFIG=/Users/bbalu/work/bin/p4.ini, LC_CTYPE=en_US.UTF-8, GRADLE_USER_HOME=/Users/bbalu/work/repo/gradle, CATALINA_HOME=/Users/bbalu/work/servers/tomcat-8.0.26-x64, GEMFIRE_BASE=/Users/bbalu/work/servers/gemfire_820_b17919_linux/deploy, WORK_BIN=/Users/bbalu/work/bin, SSH_AUTH_SOCK=/private/tmp/com.apple.launchd.rcHYvfWEr0/Listeners, OLDPWD=/, WORK_HOME=/Users/bbalu/work, XPC_SERVICE_NAME=application.com.jetbrains.intellij.759892.759898, spring_debug=-Dspring-boot.run.jvmArguments="-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=5005", USER=bbalu, HOMEBREW_CELLAR=/opt/homebrew/Cellar, GRADLE_HOME=/Users/bbalu/work/tools/gradle/7.6, PWD=/Users/bbalu/work/workspace/my-apps/spring-configmap-example}}, RandomValuePropertySource@538801132 {name='random', properties=java.util.Random@9208a31}, CachedRandomPropertySource@1340311644 {name='cachedrandom', properties=RandomValuePropertySource@538801132 {name='random', properties=java.util.Random@9208a31}}, OriginTrackedMapPropertySource@1906400407 {name='Config resource 'class path resource [application-dev.yml]' via location 'optional:classpath:/'', properties={spring.cloud.kubernetes.config.enabled=true, spring.cloud.kubernetes.config.name=app-configs-overrides, spring.cloud.kubernetes.config.sources[0].name=app-config-overrides}}, CompositePropertySource {name='composite-configmap', propertySources=[KubernetesClientConfigMapPropertySource@988336988 {name='configmap.spring-configmap-example.spring-apps', properties={}}]}, CompositePropertySource {name='composite-secrets', propertySources=[]}, OriginTrackedMapPropertySource@932489010 {name='Config resource 'class path resource [application.yml]' via location 'optional:classpath:/'', properties={spring.main.cloud-platform=kubernetes, spring.application.name=spring-configmap-example, spring.profiles.active=dev, spring.cloud.kubernetes.config.namespace=spring-apps, spring.cloud.kubernetes.reload.enabled=true, spring.cloud.kubernetes.reload.monitoring-config-maps=true, spring.cloud.kubernetes.reload.strategy=refresh, spring.cloud.kubernetes.reload.mode=polling, spring.config.import=kubernetes:, springapp.cm.direct-message=YAML: Hello!!!, springapp.cm.app-yaml-message=YAML: Hello!!!, springapp.cm.numberVar=2, springapp.cm.numberVal=2, management.endpoints.web.exposure.include=info,health,metrics,loggers,refresh,beans,heapdump}}, MapPropertySource@1692821748 {name='springCloudClientHostInfo', properties={spring.cloud.client.hostname=172.17.40.151, spring.cloud.client.ip-address=172.17.40.151}}, ApplicationInfoPropertySource@525915419 {name='applicationInfo', properties={spring.application.pid=49574}}, @1902707184 {name='Management Server', properties=java.lang.Object@261f76e1}]}
2025-01-17 18:47:10 level=DEBUG  logger=org.springframework.cloud.kubernetes.commons.config.reload.ConfigReloadUtil message=sources from locateMapPropertySources : [KubernetesClientConfigMapPropertySource@688892737 {name='configmap.spring-configmap-example.spring-apps', properties={}}]
2025-01-17 18:47:10 level=DEBUG  logger=org.springframework.cloud.kubernetes.commons.config.reload.ConfigReloadUtil message=no changes found, reload will not happen
2025-01-17 18:47:10 level=DEBUG  logger=org.springframework.cloud.kubernetes.commons.config.reload.ConfigReloadUtil message=Reloadable condition was not satisfied, reload will not be triggered

Could someone please help me fix this issue?

Environment:

Java: 21.0.2
Spring: 6.2.1
Spring Boot: 3.4.1
Spring Cloud kube client: 3.2.0

Sample
Link to sample app: https://gitlab.com/baji/spring-configmap-example