stateful-consul-class.groovy

package org.foo

/** A map that holds all constants and data members that can be override when constructing  */
consulEnv

/**
 * Imitates a constructor
 * Defines an instance of Consul object. All according to api
 * @param ip - ip for consul
 * @param port - port for consul
 * @return
 */
def construct(String ip, String port){

    consulEnv = [
            ip : ip,
            port: port,
            base_url: '',
            debug: false // default value that can be overwritten

    ]
    
     consulEnv.put('base_url', "http://${ip}:${port}/v1")
}

def getConsulEnv(){
    return consulEnv
}

def mergeMaps(Map baseMap, Map otherMap){
    if (!baseMap || !otherMap){
        return
    }
    otherMap.each{ key, value ->
        baseMap[key] = value
    }
}

def overrideConstants(Map values){
    mergeMaps(consulEnv, values) // overriding parameters
    if (!values.base_url) { // if did not get any pther input from user, constructing it myself by default convention
        consulEnv.put('base_url', "http://${consulEnv.ip}:${consulEnv.port}/v1")
    }
}

def register(String data){
    return sh (script: "curl -X PUT -H 'Content-Type: application/json' ${consulEnv.base_url}/catalog/register -d \'$data\'", returnStdout: true)
}

def store(String key_path, String data){
    return  sh (script: "curl -X PUT -H 'Content-Type: application/json' ${consulEnv.base_url}/${key_path} -d \'${data}\'", returnStdout: true)

}

def list_nodes(){
    return sh (script: "curl -X GET ${consulEnv.base_url}/catalog/nodes", returnStdout: true)
}