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‎.editorconfig

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root = true
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[*]
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indent_style = space
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charset = utf-8
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trim_trailing_whitespace = false
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insert_final_newline = false
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[*.java]
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indent_style = space
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indent_size = 4
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[*.xml]
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indent_style = space
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indent_size = 2

‎.gitignore

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*.iml
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.idea
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target/
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build/
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.gradle/
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pom.xml.tag
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pom.xml.releaseBackup
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pom.xml.versionsBackup
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pom.xml.next
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release.properties
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dependency-reduced-pom.xml
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buildNumber.properties
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.mvn/timing.properties
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# Avoid ignoring Maven wrapper jar file (.jar files are usually ignored)
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!/.mvn/wrapper/maven-wrapper.jar
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.settings
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.vscode
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.project
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.classpath
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docs/output/*
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/hello.txt
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.idea/
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#
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04-build/knative/maven-build.yaml
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04-build/knative/maven-build-template.yaml
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04-build/knative/service-build.yaml
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04-build/knative/service-build-template.yaml
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04-build/knative/docker-secret.yaml
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‎.mvn/wrapper/MavenWrapperDownloader.java

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/*
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Licensed to the Apache Software Foundation (ASF) under one
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or more contributor license agreements. See the NOTICE file
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distributed with this work for additional information
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regarding copyright ownership. The ASF licenses this file
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to you under the Apache License, Version 2.0 (the
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"License"); you may not use this file except in compliance
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with the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing,
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software distributed under the License is distributed on an
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"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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KIND, either express or implied. See the License for the
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specific language governing permissions and limitations
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under the License.
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*/
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import java.net.*;
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import java.io.*;
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import java.nio.channels.*;
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import java.util.Properties;
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public class MavenWrapperDownloader {
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/**
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* Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided.
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*/
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private static final String DEFAULT_DOWNLOAD_URL =
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"https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar";
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/**
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* Path to the maven-wrapper.properties file, which might contain a downloadUrl property to
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* use instead of the default one.
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*/
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private static final String MAVEN_WRAPPER_PROPERTIES_PATH =
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".mvn/wrapper/maven-wrapper.properties";
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/**
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* Path where the maven-wrapper.jar will be saved to.
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*/
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private static final String MAVEN_WRAPPER_JAR_PATH =
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".mvn/wrapper/maven-wrapper.jar";
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/**
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* Name of the property which should be used to override the default download url for the wrapper.
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*/
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private static final String PROPERTY_NAME_WRAPPER_URL = "wrapperUrl";
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public static void main(String args[]) {
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System.out.println("- Downloader started");
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File baseDirectory = new File(args[0]);
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System.out.println("- Using base directory: " + baseDirectory.getAbsolutePath());
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// If the maven-wrapper.properties exists, read it and check if it contains a custom
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// wrapperUrl parameter.
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File mavenWrapperPropertyFile = new File(baseDirectory, MAVEN_WRAPPER_PROPERTIES_PATH);
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String url = DEFAULT_DOWNLOAD_URL;
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if(mavenWrapperPropertyFile.exists()) {
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FileInputStream mavenWrapperPropertyFileInputStream = null;
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try {
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mavenWrapperPropertyFileInputStream = new FileInputStream(mavenWrapperPropertyFile);
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Properties mavenWrapperProperties = new Properties();
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mavenWrapperProperties.load(mavenWrapperPropertyFileInputStream);
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url = mavenWrapperProperties.getProperty(PROPERTY_NAME_WRAPPER_URL, url);
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} catch (IOException e) {
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System.out.println("- ERROR loading '" + MAVEN_WRAPPER_PROPERTIES_PATH + "'");
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} finally {
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try {
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if(mavenWrapperPropertyFileInputStream != null) {
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mavenWrapperPropertyFileInputStream.close();
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}
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} catch (IOException e) {
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// Ignore ...
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}
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}
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}
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System.out.println("- Downloading from: : " + url);
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File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH);
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if(!outputFile.getParentFile().exists()) {
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if(!outputFile.getParentFile().mkdirs()) {
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System.out.println(
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"- ERROR creating output direcrory '" + outputFile.getParentFile().getAbsolutePath() + "'");
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}
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}
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System.out.println("- Downloading to: " + outputFile.getAbsolutePath());
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try {
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downloadFileFromURL(url, outputFile);
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System.out.println("Done");
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System.exit(0);
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} catch (Throwable e) {
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System.out.println("- Error downloading");
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e.printStackTrace();
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System.exit(1);
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}
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}
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private static void downloadFileFromURL(String urlString, File destination) throws Exception {
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URL website = new URL(urlString);
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ReadableByteChannel rbc;
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rbc = Channels.newChannel(website.openStream());
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FileOutputStream fos = new FileOutputStream(destination);
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fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
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fos.close();
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rbc.close();
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}
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}

‎.mvn/wrapper/maven-wrapper.jar

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‎.mvn/wrapper/maven-wrapper.properties

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distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.5.4/apache-maven-3.5.4-bin.zip

‎01-basics/.editorconfig

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root = true
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[*]
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indent_style = space
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charset = utf-8
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trim_trailing_whitespace = false
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insert_final_newline = false
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[*.java]
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indent_style = space
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indent_size = 4
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[*.xml]
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indent_style = space
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indent_size = 2

‎01-basics/bin/call.sh

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#!/bin/bash
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INGRESSGATEWAY=istio-ingressgateway
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IP_ADDRESS="$(minishift ip):$(kubectl get svc $INGRESSGATEWAY --namespace istio-system --output 'jsonpath={.spec.ports[?(@.port==80)].nodePort}')"
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curl -H "Host: greeter.myproject.example.com" $IP_ADDRESS

‎01-basics/knative/service-env.yaml

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apiVersion: serving.knative.dev/v1alpha1
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kind: Service
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metadata:
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name: greeter
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spec:
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runLatest:
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configuration:
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revisionTemplate:
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spec:
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container:
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image: dev.local/rhdevelopers/greeter:0.0.1
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env:
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- name: MESSAGE_PREFIX
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value: Hello
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livenessProbe:
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httpGet:
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path: /healthz
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readinessProbe:
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httpGet:
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path: /healthz

‎01-basics/knative/service-pinned-rev1.yaml

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apiVersion: serving.knative.dev/v1alpha1
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kind: Service
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metadata:
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name: greeter
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spec:
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pinned:
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revisionName: greeter-00001
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configuration:
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revisionTemplate:
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spec:
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container:
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image: dev.local/rhdevelopers/greeter:0.0.1
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env:
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- name: MESSAGE_PREFIX
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value: Hello
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livenessProbe:
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httpGet:
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path: /healthz
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readinessProbe:
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httpGet:
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path: /healthz

‎01-basics/knative/service-pinned-rev2.yaml

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apiVersion: serving.knative.dev/v1alpha1
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kind: Service
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metadata:
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name: greeter
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spec:
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pinned:
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revisionName: greeter-00002
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configuration:
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revisionTemplate:
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spec:
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container:
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image: dev.local/rhdevelopers/greeter:0.0.1
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env:
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- name: MESSAGE_PREFIX
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value: Hello
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livenessProbe:
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httpGet:
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path: /healthz
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readinessProbe:
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httpGet:
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path: /healthz

‎01-basics/knative/service.yaml

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apiVersion: serving.knative.dev/v1alpha1
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kind: Service
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metadata:
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name: greeter
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spec:
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runLatest:
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configuration:
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revisionTemplate:
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spec:
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container:
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image: dev.local/rhdevelopers/greeter:0.0.1
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livenessProbe:
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httpGet:
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path: /healthz
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readinessProbe:
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httpGet:
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path: /healthz

‎02-configs-and-routes/bin/call.sh

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#!/bin/bash
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set -e
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INGRESSGATEWAY=istio-ingressgateway
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IP_ADDRESS="$(minishift ip):$(kubectl get svc $INGRESSGATEWAY --namespace istio-system --output 'jsonpath={.spec.ports[?(@.port==80)].nodePort}')"
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while true
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do
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curl -H "Host: greeter.knativetutorial.example.com" $IP_ADDRESS
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echo ""
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sleep .2
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done;

‎02-configs-and-routes/config/configuration-rev1.yaml

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apiVersion: serving.knative.dev/v1alpha1
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kind: Configuration
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metadata:
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name: greeter
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spec:
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revisionTemplate:
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metadata:
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labels:
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app: greeter
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spec:
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container:
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image: dev.local/rhdevelopers/greeter:0.0.1
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livenessProbe:
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httpGet:
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path: /healthz
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readinessProbe:
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httpGet:
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path: /healthz

‎02-configs-and-routes/config/configuration-rev2.yaml

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apiVersion: serving.knative.dev/v1alpha1
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kind: Configuration
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metadata:
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name: greeter
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spec:
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revisionTemplate:
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metadata:
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labels:
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app: greeter
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spec:
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container:
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image: dev.local/rhdevelopers/greeter:0.0.1
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env:
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- name: MESSAGE_PREFIX
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value: Hello
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livenessProbe:
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httpGet:
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path: /healthz
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readinessProbe:
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httpGet:
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path: /healthz

‎02-configs-and-routes/route/route_all_rev1.yaml

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apiVersion: serving.knative.dev/v1alpha1
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kind: Route
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metadata:
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name: greeter
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spec:
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traffic:
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- revisionName: greeter-00001
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percent: 100

‎02-configs-and-routes/route/route_all_rev2.yaml

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apiVersion: serving.knative.dev/v1alpha1
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kind: Route
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metadata:
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name: greeter
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spec:
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traffic:
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- revisionName: greeter-00002
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percent: 100

‎02-configs-and-routes/route/route_default.yaml

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apiVersion: serving.knative.dev/v1alpha1
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kind: Route
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metadata:
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name: greeter
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spec:
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traffic:
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- configurationName: greeter
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percent: 100

‎02-configs-and-routes/route/route_rev1-10_rev2-90.yaml

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apiVersion: serving.knative.dev/v1alpha1
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kind: Route
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metadata:
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name: greeter
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spec:
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traffic:
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- revisionName: greeter-00001
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percent: 10
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- revisionName: greeter-00002
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percent: 90

‎02-configs-and-routes/route/route_rev1-50_rev2-50.yaml

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apiVersion: serving.knative.dev/v1alpha1
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kind: Route
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metadata:
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name: greeter
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spec:
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traffic:
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- revisionName: greeter-00001
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percent: 50
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- revisionName: greeter-00002
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percent: 50

‎02-configs-and-routes/route/route_rev1-75_rev2-25.yaml

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apiVersion: serving.knative.dev/v1alpha1
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kind: Route
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metadata:
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name: greeter
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spec:
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traffic:
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- revisionName: greeter-00001
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percent: 75
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- revisionName: greeter-00002
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percent: 25

‎03-scaling/knative/configure-scaling-to-1m.yaml

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data.scale-to-zero-grace-period: 1m

‎03-scaling/knative/configure-scaling-to-2m.yaml

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data.scale-to-zero-grace-period: 2m

‎03-scaling/knative/configure-scaling-to-30s.yaml

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data.scale-to-zero-grace-period: 30s

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