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class ConfigLine {

    static belongsTo = [configuration: Configuration]

    String label
    String value

    static constraints = {
        value(maxSize: 5000, nullable: true)
        label(maxSize: 500)

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// in bootstrap.yml is defined spring.cloud.config.server.prefix = /config and client microservice call to
// org.springframework.cloud.config.server.resource.ResourceController. So in UrlMappings we need write our 
// mapping for call - get "/config/${serviceName}/${profile}"(controller: 'configuration', action: 'config')
    
def config(String serviceName, String profile) {

    def propertySources = [:]
    propertySources.name = "${serviceName}.properties"
    propertySources.source = [:]
      

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dependencies {
    compile('org.springframework.cloud:spring-cloud-starter-config:1.3.0.RELEASE')
}

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spring:
    application:
        name: client-service 
    cloud:
        config:
            uri: http://localhost:8088/config
   

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spring:
    application:
        name: client-service

environments:
    development:
        spring:
            cloud:
                config:
                    authorization: authorizationTokenShouldBeHere // I used Spring Security Filter Chain for security. 

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grails:
    plugin:
        springsecurity:
            filterChain:
                chainMap:
                    - pattern: /config/**
                      filters: configFilter //name of the custom filter
                      
 
config:

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import config.ConfigFilter

beans = {
    configFilter(ConfigFilter)  {
        urisToFilter = grailsApplication.config.getProperty(
                "config.uri", List, [])
    }

    SpringSecurityUtils.registerFilter "configFilter",
            SecurityFilterPosition.FORM_LOGIN_FILTER.order - 10

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package com.biid.config

import grails.util.Holders
import org.springframework.web.filter.GenericFilterBean

import javax.servlet.FilterChain
import javax.servlet.ServletException
import javax.servlet.ServletRequest
import javax.servlet.ServletResponse
import javax.servlet.http.HttpServletRequest

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package config

import grails.util.Holders
import org.springframework.web.filter.GenericFilterBean

import javax.servlet.FilterChain
import javax.servlet.ServletException
import javax.servlet.ServletRequest
import javax.servlet.ServletResponse
import javax.servlet.http.HttpServletRequest

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grails:
    plugin:
        springsecurity:
            filterChain:
                chainMap:
                    - pattern: /config/**
                      filters: configFilter 
                      
 
config: