Uat

Jenkinsfile

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+@Library('cicd-library') _
+
+pipeline {
+    agent any
+
+    triggers {
+        githubPush()
+    }
+
+    parameters {
+        string(name: 'BRANCH', defaultValue: '', description: 'Git branch')
+        choice(name: 'BUILD_ENV', choices: ['uat', 'stage', 'prod'], description: 'Environment')
+        choice(name: 'REQUIRED', choices: ['Build', 'Deploy'], description: 'Action')
+    }
+
+    environment {
+        PARAMS_FILE = "${env.WORKSPACE}/build-params.env"
+    }
+
+    stages {
+
+        stage('Checkout') {
+            steps {
+                checkout scm
+            }
+        }
+
+        stage('Validate Input') {
+            steps {
+                script {
+                    if (!params.BRANCH || !params.BUILD_ENV) {
+                        error "❌ Missing BRANCH or BUILD_ENV"
+                    }
+
+                    echo "🚀 Branch: ${params.BRANCH}"
+                    echo "🌍 Env: ${params.BUILD_ENV}"
+                    echo "⚙️ Action: ${params.REQUIRED}"
+                }
+            }
+        }
+
+        stage('Prepare Params') {
+            steps {
+                script {
+                    env.BRANCH       = params.BRANCH ?: env.GIT_BRANCH?.replaceAll('origin/', '')
+                    env.COMMIT_HASH  = sh(script: 'git rev-parse HEAD', returnStdout: true).trim()
+
+                    env.REQUIRED     = params.REQUIRED
+                    env.BUILD_ENV    = params.BUILD_ENV
+                }
+
+                writeFile file: env.PARAMS_FILE, text: """\
+JOB_NAME=${env.JOB_NAME}
+BRANCH=${env.BRANCH}
+COMMIT_HASH=${env.COMMIT_HASH}
+BUILD_ENV=${env.BUILD_ENV}
+REQUIRED=${env.REQUIRED}
+WORKSPACE=${env.WORKSPACE}
+"""
+            }
+        }
+
+        stage('Run Deployment') {
+            steps {
+                deploy("${env.PARAMS_FILE}")   
+            }
+        }
+    }
+}

deploy.sh

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+#!/bin/bash
+# java_deployment.sh
+# Reads params from file and builds the WAR
+
+set -e
+trap 'echo "❌ Failed at line $LINENO"' ERR
+
+# ── Step 1: Read the params file ──────────────────────────
+PARAMS_FILE=$1
+
+if [[ -z "$PARAMS_FILE" || ! -f "$PARAMS_FILE" ]]; then
+    echo "❌ ERROR: Params file not found: $PARAMS_FILE"
+    exit 1
+fi
+
+echo "📄 Reading params from: $PARAMS_FILE"
+set -a                   # auto-export all variables
+source "$PARAMS_FILE"
+set +a
+
+# ── Step 2: Print what we got ─────────────────────────────
+echo "==============================="
+echo "JOB_NAME    : $JOB_NAME"
+echo "BRANCH      : $BRANCH"
+echo "COMMIT_HASH : $COMMIT_HASH"
+echo "BUILD_ENV   : $BUILD_ENV"
+echo "REQUIRED    : $REQUIRED"
+echo "WORKSPACE   : $WORKSPACE"
+echo "==============================="
+
+# ── Step 3: Go to workspace and build WAR ─────────────────
+cd "$WORKSPACE"
+
+echo "🔨 Starting Maven WAR build...."
+mvn clean package -DskipTests
+
+# ── Step 4: Confirm WAR was created ───────────────────────
+WAR_FILE="$WORKSPACE/target/SampleWebApp.war"
+
+if [[ -f "$WAR_FILE" ]]; then
+    echo "✅ WAR built successfully: $WAR_FILE"
+    ls -lh "$WAR_FILE"
+else
+    echo "❌ WAR file not found after build!"
+    exit 1
+fi
+
+DEPLOY_DIR="$WORKSPACE/app_scripts/"
+cp "$WAR_FILE" "$DEPLOY_DIR/SampleWebAPP-${COMMIT_HASH:0:7}.war"
+
+if [[ -f "$DEPLOY_DIR/SampleWebAPP-${COMMIT_HASH:0:7}.war" ]]; then
+    echo "✅ WAR copied successfully!"
+else
+    echo "❌ WAR copy failed"
+    exit 1
+fi
+
+# # ── Step 6: Deploy to Tomcat ──────────────────────────────
+# TOMCAT_WEBAPPS="/var/lib/tomcat9/webapps"
+# APP_NAME="SampleWebApp"
+
+# echo "🚀 Starting Tomcat deployment..."
+
+# # Stop Tomcat
+# echo "⏹ Stopping Tomcat..."
+# sudo systemctl stop tomcat9
+
+# # Remove old deployment
+# if [[ -d "$TOMCAT_WEBAPPS/$APP_NAME" ]]; then
+#     echo "🗑 Removing old deployment..."
+#     sudo rm -rf "$TOMCAT_WEBAPPS/$APP_NAME"
+# fi
+
+# if [[ -f "$TOMCAT_WEBAPPS/$APP_NAME.war" ]]; then
+#     echo "🗑 Removing old WAR..."
+#     sudo rm -f "$TOMCAT_WEBAPPS/$APP_NAME.war"
+# fi
+
+# # Copy new WAR to Tomcat
+# echo "📂 Copying new WAR to Tomcat..."
+# sudo cp "$WAR_FILE" "$TOMCAT_WEBAPPS/$APP_NAME.war"
+
+# # Start Tomcat
+# echo "▶ Starting Tomcat..."
+# sudo systemctl start tomcat9
+
+# # ── Step 7: Verify Deployment ─────────────────────────────
+# echo "⏳ Waiting for Tomcat to deploy WAR..."
+# sleep 15
+
+# if [[ -d "$TOMCAT_WEBAPPS/$APP_NAME" ]]; then
+#     echo "✅ Deployment successful!"
+#     echo "🌐 App available at: http://localhost:8080/$APP_NAME"
+# else
+#     echo "❌ Deployment failed — folder not created by Tomcat"
+#     exit 1
+# fi

pom.xml

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+<!-- pom.xml -->
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
+         http://maven.apache.org/xsd/maven-4.0.0.xsd">
+
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>com.sample</groupId>
+    <artifactId>SampleWebApp</artifactId>
+    <packaging>war</packaging>
+    <version>1.0</version>
+    <name>SampleWebApp</name>
+
+    <build>
+        <sourceDirectory>web</sourceDirectory>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-war-plugin</artifactId>
+                <version>3.3.2</version>
+                <configuration>
+                    <!-- Tells Maven where your web files are -->
+                    <warSourceDirectory>web</warSourceDirectory>
+                    <warName>SampleWebApp</warName>
+                    <!-- No web.xml validation issues -->
+                    <failOnMissingWebXml>false</failOnMissingWebXml>
+                </configuration>
+            </plugin>
+
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.11.0</version>
+                <configuration>
+                    <source>11</source>
+                    <target>11</target>
+                </configuration>
+            </plugin>
+        </plugins>
+
+        <finalName>SampleWebApp</finalName>
+    </build>
+
+</project>