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篇与
Helm
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Helm命令总结 #查看版本信息 helm version #搜索Ngix应用 helm search repo nginx #安装Nginx应用 helm install nginx bitnami/nginx -n nginx #查询已安装 helm list -A #拉取到本地 helm pull bitnami/nginx --untar #根据values.yml配置本地安装 helm install nginx . -f values.yaml -n nginx #卸载Nginx helm uninstall nginx -n nginx #使用set更新 helm upgrade nginx bitnami/nginx --set service.type=NodePort --set persistence.enabled=false helm list #查看状态 helm status nginx #使用values.yaml更新 helm upgrade -f values.yaml nginx . #查看更新历史 helm history nginx #回滚 helm rollback nginx 2
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排错记录---Helm3部署Ingress-Nginx 天底下就没有排不了的ERROR,上去都是一把梭！！！添加源，出现错误[root@master01 ~]#helm repo add ingress-nginx https://kubernetes.github.io/ingress-nginx Error: looks like "https://kubernetes.github.io/ingress-nginx" is not a valid chart repository or cannot be reached: open /root/.cache/helm/repository/ingress-nginx-index.yaml: not a directory经过排查，发现.cache不是一个目录，而是一个文件[root@master01 ~]#cat .cache 2020-07-03 14:13:26 URL: http://www.baidu.com/ 200 OK解决办法：[root@master01 ~]#rm -rf .cache再次添加源---即可成功。[root@master01 ~]#helm repo add ingress-nginx https://kubernetes.github.io/ingress-nginx "ingress-nginx" has been added to your repositories
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Helm部署Filebeat + ELK 系统架构图：1) 多个Filebeat在各个Node进行日志采集，然后上传至Logstash 2) 多个Logstash节点并行（负载均衡，不作为集群），对日志记录进行过滤处理，然后上传至Elasticsearch集群 3) 多个Elasticsearch构成集群服务，提供日志的索引和存储能力 4) Kibana负责对Elasticsearch中的日志数据进行检索、分析一、Elasticsearch部署官方chart地址：https://github.com/elastic/helm-charts/tree/master/elasticsearch创建logs命名空间kubectl create ns logs添加elastic helm charts 仓库helm repo add elastic https://helm.elastic.co安装helm install -name elasticsearch elastic/elasticsearch --namespace logs参数说明image: "docker.elastic.co/elasticsearch/elasticsearch" imageTag: "7.2.0" imagePullPolicy: "IfNotPresent" podAnnotations: {} esJavaOpts: "-Xmx1g -Xms1g" resources: requests: cpu: "100m" memory: "2Gi" limits: cpu: "1000m" memory: "2Gi" volumeClaimTemplate: accessModes: [ "ReadWriteOnce" ] storageClassName: "nfs-client" resources: requests: storage: 50Gi二、Filebeat部署官方chart地址：https://github.com/elastic/helm-charts/tree/master/filebeat添加elastic helm charts 仓库helm repo add elastic https://helm.elastic.co安装helm install -name filebeat elastic/filebeat --namespace logs参数说明：image: "docker.elastic.co/beats/filebeat" imageTag: "7.2.0" imagePullPolicy: "IfNotPresent" resources: requests: cpu: "100m" memory: "100Mi" limits: cpu: "1000m" memory: "200Mi"那么问题来了，filebeat默认收集宿主机上docker的日志路径：/var/lib/docker/containers。如果我们修改了docker的安装路径要怎么收集呢，很简单修改chart里的DaemonSet文件里边的hostPath参数：- name: varlibdockercontainers hostPath: path: /var/lib/docker/containers #改为docker安装路径对java程序的报错异常log实现多行合并，用multiline定义正则来匹配。filebeatConfig: filebeat.yml: | filebeat.inputs: - type: docker containers.ids: - '*' multiline.pattern: '^[0-9]' multiline.negate: true multiline.match: after processors: - add_kubernetes_metadata: in_cluster: true output.elasticsearch: hosts: '${ELASTICSEARCH_HOSTS:elasticsearch-master:9200}'三. Kibana部署官方chart地址：https://github.com/elastic/helm-charts/tree/master/kibana添加elastic helm charts 仓库helm repo add elastic https://helm.elastic.co安装helm install -name kibana elastic/kibana --namespace logs参数说明：elasticsearchHosts: "http://elasticsearch-master:9200" replicas: 1 image: "docker.elastic.co/kibana/kibana" imageTag: "7.2.0" imagePullPolicy: "IfNotPresent" resources: requests: cpu: "100m" memory: "500m" limits: cpu: "1000m" memory: "1Gi"四. Logstash部署官方chart地址：https://github.com/helm/charts/tree/master/stable/logstash安装$ helm install -name logstash stable/logstash --namespace logs参数说明：image: repository: docker.elastic.co/logstash/logstash-oss tag: 7.2.0 pullPolicy: IfNotPresent persistence: enabled: true storageClass: "nfs-client" accessMode: ReadWriteOnce size: 2Gi匹配label：json的pod日志，没有的话正常收集。filebeatConfig: filebeat.yml: | filebeat.autodiscover: providers: - type: kubernetes templates: - condition: equals: kubernetes.labels.logFormat: "json" config: - type: docker containers.ids: - "${data.kubernetes.container.id}" json.keys_under_root: true json.overwrite_keys: true json.add_error_key: true - config: - type: docker containers.ids: - "${data.kubernetes.container.id}" processors: - add_kubernetes_metadata: in_cluster: true output.elasticsearch: hosts: '${ELASTICSEARCH_HOSTS:elasticsearch-master:9200}'五. Elastalert部署官方chart地址：https://github.com/helm/charts/tree/master/stable/elastalert安装helm install -n elastalert ./elastalert --namespace logs效果图：
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