新增learn-kubernetes（https://github.com/yyong-brs/learn-kubernetes）相关文件

learn/learn-kubernetes-master/kiamol/ch11/docker-images/jenkins/Dockerfile

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+ARG ALPINE_VERSION="3.15"
+FROM alpine:$ALPINE_VERSION AS download-base
+WORKDIR /downloads
+RUN echo "$(apk --print-arch)" > /arch.txt 
+RUN ARCH2= && alpineArch="$(apk --print-arch)" \
+    && case "${alpineArch##*-}" in \
+    x86_64) ARCH2='amd64' ;; \
+    aarch64) ARCH2='arm64' ;; \
+    *) echo "unsupported architecture"; exit 1 ;; \
+    esac && \
+    echo $ARCH2 > /arch2.txt 
+
+FROM download-base AS packages
+ARG KUBECTL_VERSION="1.24.4-r0"
+RUN apk add --no-cache --repository http://dl-cdn.alpinelinux.org/alpine/edge/testing \
+    kubectl=$KUBECTL_VERSION
+
+FROM download-base AS buildkit
+ARG BUILDKIT_VERSION="v0.9.0"
+RUN wget -O buildkit.tar.gz "https://github.com/moby/buildkit/releases/download/$BUILDKIT_VERSION/buildkit-$BUILDKIT_VERSION.linux-$(cat /arch2.txt).tar.gz"
+RUN tar xvf buildkit.tar.gz
+
+FROM download-base AS helm
+ARG HELM_VERSION="v3.6.2"
+RUN wget -O helm.tar.gz "https://get.helm.sh/helm-$HELM_VERSION-linux-$(cat /arch2.txt).tar.gz"
+RUN tar xvf helm.tar.gz --strip-components 1
+
+FROM download-base AS jenkins
+ARG JENKINS_VERSION="2.319.1"
+RUN wget http://mirrors.jenkins.io/war-stable/$JENKINS_VERSION/jenkins.war
+
+# Jenkins
+FROM alpine:$ALPINE_VERSION
+
+# jenkins deps
+RUN apk add --no-cache \
+    bash \
+    coreutils \
+    jq \
+    git \
+    openjdk11 \
+    openssh-client \
+    ttf-dejavu \
+    unzip 
+
+ENV JENKINS_HOME="/data"
+VOLUME ${JENKINS_HOME}
+    
+EXPOSE 8080
+ENTRYPOINT /start.sh
+
+COPY --from=packages /usr/bin/kubectl /usr/bin/kubectl
+COPY --from=buildkit /downloads/bin/buildctl /usr/bin/buildctl
+COPY --from=helm /downloads/helm /usr/bin/helm
+COPY --from=jenkins /downloads/jenkins.war /jenkins/jenkins.war
+
+COPY ./jenkins.install.UpgradeWizard.state ${JENKINS_HOME}/
+COPY ./scripts/ ${JENKINS_HOME}/init.groovy.d/
+COPY start.sh /
+
+RUN chmod +x /start.sh

learn/learn-kubernetes-master/kiamol/ch11/docker-images/jenkins/jenkins.install.UpgradeWizard.state

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+2.0

learn/learn-kubernetes-master/kiamol/ch11/docker-images/jenkins/scripts/admin.groovy

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+#!groovy
+
+import jenkins.install.*;
+import jenkins.model.*
+import jenkins.security.s2m.AdminWhitelistRule
+import hudson.security.*
+import hudson.util.*;
+
+def instance = Jenkins.getInstance()
+
+def username = "kiamol"
+def password = "kiamol"
+
+def hudsonRealm = new HudsonPrivateSecurityRealm(false)
+hudsonRealm.createAccount(username, password)
+instance.setSecurityRealm(hudsonRealm)
+
+def strategy = new FullControlOnceLoggedInAuthorizationStrategy()
+instance.setAuthorizationStrategy(strategy)
+instance.setInstallState(InstallState.INITIAL_SETUP_COMPLETED)
+instance.save()
+
+Jenkins.instance.getInjector().getInstance(AdminWhitelistRule.class).setMasterKillSwitch(false)

learn/learn-kubernetes-master/kiamol/ch11/docker-images/jenkins/scripts/install-plugins.groovy

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+#!groovy
+
+import jenkins.model.Jenkins;
+
+pm = Jenkins.instance.pluginManager
+uc = Jenkins.instance.updateCenter
+
+pm.doCheckUpdatesServer()
+
+["git", "workflow-aggregator"].each {
+    if (! pm.getPlugin(it)) {
+    deployment = uc.getPlugin(it).deploy(true)
+    deployment.get()
+    }
+}

learn/learn-kubernetes-master/kiamol/ch11/docker-images/jenkins/scripts/pipelines.groovy

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+import jenkins.*
+import jenkins.model.*
+import hudson.*
+import hudson.model.*
+
+import hudson.plugins.git.*;
+import hudson.triggers.SCMTrigger;
+import org.jenkinsci.plugins.workflow.job.WorkflowJob;
+import org.jenkinsci.plugins.workflow.cps.CpsScmFlowDefinition;
+
+def gitUser = "kiamol"
+def gitRepo = "kiamol"
+def gitUrl = "http://gogs:3000/${gitUser}/${gitRepo}.git"
+
+def jenkins = Jenkins.instance;
+
+def scm = new GitSCM(gitUrl)
+scm.branches = [new BranchSpec("*/master")];
+def workflowJob = new WorkflowJob(jenkins, "${gitRepo}");
+workflowJob.definition = new CpsScmFlowDefinition(scm, "ch11/bulletin-board/Jenkinsfile");
+def gitTrigger = new SCMTrigger("* * * * *");
+workflowJob.addTrigger(gitTrigger);
+workflowJob.disabled = true;
+workflowJob.save();
+
+jenkins.reload()

learn/learn-kubernetes-master/kiamol/ch11/docker-images/jenkins/start.sh

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+#!/bin/sh
+
+# set up access to Kube API
+kubectl config set-cluster default --server=https://kubernetes.default.svc.cluster.local --certificate-authority=/var/run/secrets/kubernetes.io/serviceaccount/ca.crt
+kubectl config set-context default --cluster=default
+kubectl config set-credentials user --token=$(cat /var/run/secrets/kubernetes.io/serviceaccount/token)
+kubectl config set-context default --user=user
+kubectl config use-context default
+
+# promote registry details to env:
+registry=$(cat ~/.docker/config.json | jq '.auths' | jq 'keys[0]' -r)
+if [ "$registry" = "https://index.docker.io/v1/" ]; then export REGISTRY_SERVER='docker.io'; else export REGISTRY_SERVER=$registry; fi
+export REGISTRY_USER=$(cat ~/.docker/config.json | jq '.auths[].username' -r)
+echo "*** Using registry: $REGISTRY_SERVER, with user: $REGISTRY_USER ***"
+
+# run Jenkins
+java -Duser.home=${JENKINS_HOME} -Djenkins.install.runSetupWizard=false -jar /jenkins/jenkins.war