Create CI/CD pipeline base tools

Author: Sayaan Saha

Dockerfile

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+FROM jangrewe/gitlab-ci-android
+
+RUN apt-get update && \
+  apt-get install -y --no-install-recommends \
+  build-essential \
+  && rm -rf /var/lib/apt/lists/*

Makefile

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+####################################################################
+#
+# Rules used to build and release the SDK.
+#
+####################################################################
+
+SDK_BUILD_IMAGE:=leanplum/android-sdk-build:latest
+DOCKER_RUN:=docker run \
+			--tty --interactive --rm \
+			--volume `pwd`:/leanplum \
+			--workdir /leanplum \
+			${SDK_BUILD_IMAGE}
+
+clean-local-properties:
+	rm -f local.properties
+
+sdk: clean-local-properties
+	./gradlew clean assembleDebug testDebugUnitTest --info
+
+sdk-in-container:
+	${DOCKER_RUN} make sdk
+
+shell:
+	${DOCKER_RUN} bash
+
+build-image:
+	docker build -t ${SDK_BUILD_IMAGE} .
+	docker push ${SDK_BUILD_IMAGE}
+
+.PHONY: build

jenkins/pipeline.groovy

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+/**
+ * Jenkins pipeline for Build and Test of Android SDK.
+ */
+
+pipeline {
+    agent { label 'base-lp-agent'}
+    stages {
+        stage("Build and Test the SDK") {
+            steps {
+                timestamps {
+                    ansiColor('xterm') {
+                        buildAndTest()
+                    }
+                }
+            }
+        }
+    }
+}
+
+def buildAndTest() {
+    withDockerContainer(args: "", image: "leanplum/android-sdk-build") {
+        sh 'make sdk'
+    }
+}