Gradle with a task like fabric8:deploy... sort of...

build.gradle

buildscript {
	ext {
		springBootVersion = '2.0.5.RELEASE'
	}
	repositories {
		mavenCentral()
	}
	dependencies {
		classpath("org.springframework.boot:spring-boot-gradle-plugin:${springBootVersion}")
	}
}

plugins {
  id "java"
  id "io.spring.dependency-management" version "1.0.1.RELEASE"
  id 'org.springframework.boot' version '1.5.2.RELEASE'
  id "eclipse"
  id "name.remal.maven-publish-nexus-staging" version "1.0.93"
  id "org.sonarqube" version "2.6.2"
}

sonarqube {
    properties {
        property 'sonar.projectName', 'Inventory Service Gradle SonarQube Scanner'
    }
}

group = 'com.redhat.cloudnative'
version = '0.0.1-SNAPSHOT'
sourceCompatibility = 1.8

repositories {
	mavenLocal()
	mavenCentral()
	maven { 
		url "http://nexus.lab-infra.svc.cluster.local:8081/repository/maven-all-public" 
	}
}

dependencyManagement {
     imports {
          mavenBom "org.springframework.cloud:spring-cloud-dependencies:Camden.SR2"
     }
}

dependencies {
	implementation('org.springframework.boot:spring-boot-starter-data-jpa')
	implementation('org.springframework.boot:spring-boot-starter-web')
	runtimeOnly('com.h2database:h2')
	runtimeOnly('org.postgresql:postgresql')
	testImplementation('org.springframework.boot:spring-boot-starter-test')
}

task getVersion {
	doLast {
        println rootProject.name + '-' + version
    }
}

task project(type:Exec) {
	group 'openshift'
    description 'Gets current project'
	try { 
		executable "sh"
  		args "-c", "oc project"
	} catch(Exception e) {
		println e.getMessage()
	}
	
	doLast {
        println 'Execution was ' + (execResult.getExitValue() == 0 ? 'successfull!' : 'a failure!')
    }
}

task newProject(type:Exec) {
	group 'openshift'
    description 'Creates a project'
	ignoreExitValue true
	try { 
		executable "sh"
  		args "-c", "oc new-project cva-tests"
	} catch(Exception e) {
		println e.getMessage()
	}
	
	doLast {
        println 'Execution was ' + (execResult.getExitValue() == 0 ? 'successfull!' : 'a failure!')
    }
}

task newBuild(type:Exec) {
	group 'openshift'
    description 'Creates a new binary Java build'
	ignoreExitValue true
	try { 
		executable "sh"
  		args "-c", "oc new-build --name=${rootProject.name} ${s2iImage} --binary=true"
	} catch(Exception e) {
		println e.getMessage()
	}
	
	doLast {
        println 'Execution was ' + (execResult.getExitValue() == 0 ? 'successfull!' : 'a failure!')
    }
}

task startBuild(type:Exec) {
	group 'openshift'
    description 'Starts a new binary Java build'
	ignoreExitValue true
	try { 
		executable "sh"
  		args "-c", "oc start-build ${rootProject.name} --from-file=./build/libs/${rootProject.name}-${version}.jar --follow"
	} catch(Exception e) {
		println e.getMessage()
	}
	
	doLast {
        println 'Execution was ' + (execResult.getExitValue() == 0 ? 'successfull!' : 'a failure!')
    }
}

task newApp(type:Exec) {
	group 'openshift'
    description 'Creates a app from an image stream'
	ignoreExitValue true
	try { 
		executable "sh"
  		args "-c", "oc new-app ${rootProject.name}:latest"
	} catch(Exception e) {
		println e.getMessage()
	}
	
	doLast {
        println 'Execution was ' + (execResult.getExitValue() == 0 ? 'successfull!' : 'a failure!')
    }
}

task exposeApp(type:Exec) {
	group 'openshift'
    description 'Exposes a app from an image stream'
	ignoreExitValue true
	
	try { 
		executable "sh"
  		args "-c", "oc expose svc ${rootProject.name}"
	} catch(Exception e) {
		println e.getMessage()
	}
	
	doLast {
        println 'Execution was ' + (execResult.getExitValue() == 0 ? 'successfull!' : 'a failure!')
    }
}

task deploy {
	group 'openshift'
    description 'Deploys the app to Openshift current project'
	
	dependsOn 'clean'
    dependsOn 'build'
	dependsOn 'newBuild'
	dependsOn 'startBuild'
	dependsOn 'newApp'
	dependsOn 'exposeApp'
    tasks.findByName('build').mustRunAfter 'clean'
    tasks.findByName('newBuild').mustRunAfter 'build'
	tasks.findByName('startBuild').mustRunAfter 'newBuild'
	tasks.findByName('newApp').mustRunAfter 'startBuild'
	tasks.findByName('exposeApp').mustRunAfter 'newApp'
}