兜兜    2021-11-30 16:34:06    2022-01-25 09:25:41   

H3C 交换机
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兜兜    2021-11-23 23:13:52    2021-11-23 23:20:51   

frp 内网穿透
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兜兜    2021-11-15 15:04:03    2022-01-25 09:27:04   

kerberos CDH
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兜兜    2021-11-11 11:35:05    2021-11-12 00:29:27   

kakfa
### `版本:kafka_2.11-0.10.1.0和kafka_2.12-2.2.0` ### 初始化操作 `kafka_2.11-0.10.1.0/kafka_2.12-2.2.0` ```sh $ export KAFKA_HOME=/usr/local/kafka/ $ cd $KAFKA_HOME ``` ### 启动zookeeper `kafka_2.11-0.10.1.0/kafka_2.12-2.2.0` ```sh $ bin/zookeeper-server-start.sh config/zookeeper.properties ``` ### 启动kafka `kafka_2.11-0.10.1.0/kafka_2.12-2.2.0` ```sh $ bin/kafka-server-start.sh config/server.properties ``` ### 创建topic `kafka_2.11-0.10.1.0` ```sh $ bin/kafka-topics.sh --create --zookeeper localhost:2181 --replication-factor 1 --partitions 1 --topic test ``` `kafka_2.12-2.2.0` ```sh bin/kafka-topics.sh --create --bootstrap-server localhost:9092 --replication-factor 1 --partitions 1 --topic test ``` ### 查看topic列表 `kafka_2.11-0.10.1.0` ```sh $ bin/kafka-topics.sh --list --zookeeper localhost:2181 ``` `kafka_2.12-2.2.0` ```sh $ bin/kafka-topics.sh --list --bootstrap-server localhost:9092 ``` ### 查看topic详细 `kafka_2.11-0.10.1.0` ```sh $ bin/kafka-topics.sh --describe --zookeeper localhost:2181 --topic test ``` `kafka_2.12-2.2.0` ```sh $ bin/kafka-topics.sh --describe --bootstrap-server localhost:9092 --topic test ``` ### producer发送消息 `kafka_2.11-0.10.1.0/kafka_2.12-2.2.0` ```sh $ bin/kafka-console-producer.sh --broker-list localhost:9092 --topic test ``` 输入 ```sh This is a message This is another message ``` ### consumer消费消息 `kafka_2.11-0.10.1.0/kafka_2.12-2.2.0` ```sh $ bin/kafka-console-consumer.sh --bootstrap-server localhost:9092 --topic test --from-beginning ``` 输出 ```sh This is a message This is another message ```` #### 管理消费组(Consumer Groups) `kafka_2.11-0.10.1.0/kafka_2.12-2.2.0` ```sh # 查看消费组列表 $ bin/kafka-consumer-groups.sh --bootstrap-server localhost:9092 --list # 查看消费组offsets详情 $ bin/kafka-consumer-groups.sh --bootstrap-server localhost:9092 --describe --group group_name ``` `kafka_2.11-0.10.1.0/kafka_2.12-2.2.0` 如果使用的旧版消费者,组的元数据存在zookeeper(offsets.storage=zookeeper),请使用下面的命令 ```sh # 查看消费组列表 $ bin/kafka-consumer-groups.sh --zookeeper localhost:2181 --list # 查看消费组offsets详情 $ bin/kafka-consumer-groups.sh --zookeeper localhost:2181 --describe --group group_name ``` #### 查看topic消息统计 `kafka_2.11-0.10.1.0` ```sh $ bin/kafka-run-class.sh kafka.tools.GetOffsetShell --broker-list localhost:9092 --topic test ```
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兜兜    2021-11-10 09:55:43    2022-01-25 09:27:33   

spark
#### 创建DF的流程 定义RDD ```sh 方式一: sc.textFile(文件.txt)-->RDD 方式二: nums = [1,2,3,4,5] rdd = sc.parallelize(nums) ``` 定义rowRDD ```sh rowRDD = peopleRDD.map(lambda line : line.split(',')).map(lambda attributes : Row(attributes[0], attributes[1])) ``` 定义structField结构 ```sh StructField(fieldName, StringType(), nullable = True) ``` 定义structType结构 ```sh struct_type = StructType([StructField('name', StringType(), nullable = True),StructField('age', StringType(), nullable = True)]) ``` 定义DataFrame ```sh PeopleDF=spark.createDataFrame(rowRDD, struct_type) ``` #### tempView和DF、RDD之间的转换 DF到tempView ```sh peopleTempView=peopleDF.createOrReplaceTempView("people") ``` tempView到DataFrame ```sh PeopleDF = spark.sql("SELECT * FROM people") ``` DataFrame到RDD ```sh PeopleDF.rdd.map(lambda attributes : "name: " + attributes[0]+","+"age:"+attributes[1]) ``` #### 加载json文件生成DataFrame ```sh peopleDF2 = spark.read.format("json").load("people.json") ``` #### DataFrame保持csv文件 ```sh peopleDF2.select("name", "age").write.format("csv").save("newpeople.csv") ``` #### 读取parquet文件生成DataFrame ```sh parquetFileDF = spark.read.parquet("users.parquet") ``` #### DataFrame保存成parquet文件 ```sh parquetFileDF.write.parquet("newpeople.parquet") ``` #### 读取jdbc生成DataFrame ```sh jdbcDF = spark.read.format("jdbc").option("url", "jdbc:mysql://localhost:3306/test").option("driver","com.mysql.jdbc.Driver").option("dbtable", "student").option("user", "root").option("password", "root").load() jdbcDF.show() ``` ```sh +---+----------+------+----+ | id| name|gender| age| +---+----------+------+----+ | 1| test| null|null| | 2|sheyisnong| null|null| +---+----------+------+----+ ``` #### DataFrame数据写入jdbc ```sh from pyspark.sql.types import Row from pyspark.sql.types import StructType from pyspark.sql.types import StructField from pyspark.sql.types import StringType from pyspark.sql.types import IntegerType studentRDD = spark.sparkContext.parallelize(["3 Rongcheng M 26","4 Guanhua M 27"]).map(lambda line : line.split(" ")) //下面要设置模式信息 schema = StructType([StructField("name", StringType(), True),StructField("gender", StringType(), True),StructField("age",IntegerType(), True)]) rowRDD = studentRDD.map(lambda p : Row(p[1].strip(), p[2].strip(),int(p[3]))) //建立起Row对象和模式之间的对应关系,也就是把数据和模式对应起来 studentDF = spark.createDataFrame(rowRDD, schema) prop = {} prop['user'] = 'root' prop['password'] = 'root' prop['driver'] = "com.mysql.jdbc.Driver" studentDF.write.jdbc("jdbc:mysql://localhost:3306/test",'student','append', prop) ``` 查看数据库数据 ```sql MariaDB [test]> select * from student; +----+------------+--------+------+ | id | name | gender | age | +----+------------+--------+------+ | 1 | test | NULL | NULL | | 2 | sheyisnong | NULL | NULL | | 3 | Rongcheng | M | 26 | | 4 | Guanhua | M | 27 | +----+------------+--------+------+ 4 rows in set (0.00 sec) ```
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兜兜    2021-09-29 18:10:11    2021-10-27 15:15:56   

kubernetes rancher
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兜兜    2021-09-25 11:59:33    2022-01-25 09:21:19   

kubernetes ceph rook
#### 环境介绍 ```sh kubernetes 1.18.20 rook-ceph 1.6.10 ceph version 15.2.13 ``` `注意:kubernetes的节点要准备未使用的磁盘,供ceph集群使用。kubernetes版本要匹配对应的rook-ceph版本` #### 安装rook ##### 下载rook ```sh $ git clone --single-branch --branch v1.6.10 https://github.com/rook/rook.git #当前kubernetes 1.18.20不支持1.7.x ``` ##### 安装rook ```sh $ cd cluster/examples/kubernetes/ceph $ kubectl create -f crds.yaml -f common.yaml -f operator.yaml # verify the rook-ceph-operator is in the `Running` state before proceeding $ kubectl -n rook-ceph get pod ``` #### 安装ceph集群 ```sh $ kubectl create -f cluster.yaml ``` 查看集群状态 ```sh $ kubectl -n rook-ceph get pod NAME READY STATUS RESTARTS AGE csi-cephfsplugin-6tfqr 3/3 Running 0 6m45s csi-cephfsplugin-nldks 3/3 Running 0 6m45s csi-cephfsplugin-provisioner-6c59b5b7d9-lnddw 6/6 Running 0 6m44s csi-cephfsplugin-provisioner-6c59b5b7d9-lvdtc 6/6 Running 0 6m44s csi-cephfsplugin-zkt2x 3/3 Running 0 6m45s csi-rbdplugin-2kwhg 3/3 Running 0 6m46s csi-rbdplugin-7j9hw 3/3 Running 0 6m46s csi-rbdplugin-provisioner-6d455d5677-6qcn5 6/6 Running 0 6m46s csi-rbdplugin-provisioner-6d455d5677-8xp6r 6/6 Running 0 6m46s csi-rbdplugin-qxv4m 3/3 Running 0 6m46s rook-ceph-crashcollector-k8s-master1-7bf874dc98-v9bj9 1/1 Running 0 2m8s rook-ceph-crashcollector-k8s-master2-6698989df9-7hsfr 1/1 Running 0 2m16s rook-ceph-crashcollector-k8s-node1-8578585676-9tf5w 1/1 Running 0 2m16s rook-ceph-mgr-a-5c4759947f-47kbk 1/1 Running 0 2m19s rook-ceph-mon-a-647877db88-629bt 1/1 Running 0 6m56s rook-ceph-mon-b-c44f7978f-p2fq6 1/1 Running 0 5m11s rook-ceph-mon-c-588b48b74c-bbkn8 1/1 Running 0 3m42s rook-ceph-operator-64845bd768-55dkc 1/1 Running 0 13m rook-ceph-osd-0-64f9fc6c65-m7877 1/1 Running 0 2m8s rook-ceph-osd-1-584bf986c7-xj75p 1/1 Running 0 2m8s rook-ceph-osd-2-d59cdbd7f-xcwgf 1/1 Running 0 2m8s rook-ceph-osd-prepare-k8s-master1-vstkq 0/1 Completed 0 2m16s rook-ceph-osd-prepare-k8s-master2-zdjk2 0/1 Completed 0 2m16s rook-ceph-osd-prepare-k8s-node1-wmzj9 0/1 Completed 0 2m16s ``` #### 卸载ceph集群 https://github.com/rook/rook/blob/master/Documentation/ceph-teardown.md ```sh kubectl delete -f cluster.yaml ``` 清楚rook目录 ```sh $ rm /var/lib/rook/* -rf ``` #### 安装Rook toolbox ```SH $ kubectl create -f toolbox.yaml $ kubectl -n rook-ceph rollout status deploy/rook-ceph-tools $ kubectl -n rook-ceph exec -it deploy/rook-ceph-tools -- bash ``` #### 安装dashboard ```sh $ kubectl -n rook-ceph get service ``` 获取登录密码 ```sh $ kubectl -n rook-ceph get secret rook-ceph-dashboard-password -o jsonpath="{['data']['password']}" | base64 --decode && echo ``` #### 配置外网访问 ```sh $ kubectl create -f dashboard-external-https.yaml ``` ```sh $ kubectl -n rook-ceph get service NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE rook-ceph-mgr ClusterIP 10.101.238.49 <none> 9283/TCP 47m rook-ceph-mgr-dashboard ClusterIP 10.107.124.177 <none> 8443/TCP 47m rook-ceph-mgr-dashboard-external-https NodePort 10.102.110.16 <none> 8443:30870/TCP 14s ``` 访问:https://172.16.100.100:30870/ #### rook提供RBD服务 创建pool和StorageClass ```sh $ kubectl create -f cluster/examples/kubernetes/ceph/csi/rbd/storageclass.yaml ``` ```sh $ kubectl apply -f rook/cluster/examples/kubernetes/mysql.yaml $ kubectl apply -f rook/cluster/examples/kubernetes/wordpress.yaml ``` ```sh kubectl get pvc NAME STATUS VOLUME CAPACITY ACCESS MODES STORAGECLASS AGE cephfs-test-pvc-1 Bound pvc-571ae252-b080-4a67-8f3d-40bda1304fe3 500Mi RWX cephfs 2d23h mysql-pv-claim Bound pvc-6f6d70ba-6961-42b5-aa9d-db13c1aeec7c 20Gi RWO rook-ceph-block 15m test-claim Bound pvc-c51eef14-1454-4ddf-99e1-db483dec42c6 1Mi RWX managed-nfs-storage 3d5h wp-pv-claim Bound pvc-d5eb4142-532f-4704-9d15-94ffc7f35dd1 20Gi RWO rook-ceph-block 13m ``` 查看插件日志 ```sh $ kubectl logs csi-rbdplugin-provisioner-85c58fcfb4-nfnvd -n rook-ceph -c csi-provisioner I0925 07:13:27.761137 1 csi-provisioner.go:138] Version: v2.2.2 I0925 07:13:27.761189 1 csi-provisioner.go:161] Building kube configs for running in cluster... W0925 07:13:37.769467 1 connection.go:172] Still connecting to unix:///csi/csi-provisioner.sock W0925 07:13:47.769515 1 connection.go:172] Still connecting to unix:///csi/csi-provisioner.sock W0925 07:13:57.769149 1 connection.go:172] Still connecting to unix:///csi/csi-provisioner.sock W0925 07:14:07.769026 1 connection.go:172] Still connecting to unix:///csi/csi-provisioner.sock W0925 07:14:17.768966 1 connection.go:172] Still connecting to unix:///csi/csi-provisioner.sock W0925 07:14:27.768706 1 connection.go:172] Still connecting to unix:///csi/csi-provisioner.sock W0925 07:14:37.769526 1 connection.go:172] Still connecting to unix:///csi/csi-provisioner.sock W0925 07:14:47.769001 1 connection.go:172] Still connecting to unix:///csi/csi-provisioner.sock W0925 07:14:57.769711 1 connection.go:172] Still connecting to unix:///csi/csi-provisioner.sock I0925 07:15:01.978682 1 common.go:111] Probing CSI driver for readiness I0925 07:15:01.980980 1 csi-provisioner.go:284] CSI driver does not support PUBLISH_UNPUBLISH_VOLUME, not watching VolumeAttachments I0925 07:15:01.982474 1 leaderelection.go:243] attempting to acquire leader lease rook-ceph/rook-ceph-rbd-csi-ceph-com... I0925 07:15:02.001351 1 leaderelection.go:253] successfully acquired lease rook-ceph/rook-ceph-rbd-csi-ceph-com I0925 07:15:02.102184 1 controller.go:835] Starting provisioner controller rook-ceph.rbd.csi.ceph.com_csi-rbdplugin-provisioner-85c58fcfb4-nfnvd_c5346baf-02b2-4983-9405-45bbc31c216a! I0925 07:15:02.102243 1 volume_store.go:97] Starting save volume queue I0925 07:15:02.102244 1 clone_controller.go:66] Starting CloningProtection controller I0925 07:15:02.102299 1 clone_controller.go:84] Started CloningProtection controller I0925 07:15:02.202672 1 controller.go:884] Started provisioner controller rook-ceph.rbd.csi.ceph.com_csi-rbdplugin-provisioner-85c58fcfb4-nfnvd_c5346baf-02b2-4983-9405-45bbc31c216a! I0925 07:46:47.261147 1 controller.go:1332] provision "default/mysql-pv-claim" class "rook-ceph-block": started I0925 07:46:47.261389 1 event.go:282] Event(v1.ObjectReference{Kind:"PersistentVolumeClaim", Namespace:"default", Name:"mysql-pv-claim", UID:"6f6d70ba-6961-42b5-aa9d-db13c1aeec7c", APIVersion:"v1", ResourceVersion:"2798560", FieldPath:""}): type: 'Normal' reason: 'Provisioning' External provisioner is provisioning volume for claim "default/mysql-pv-claim" I0925 07:46:49.310382 1 controller.go:1439] provision "default/mysql-pv-claim" class "rook-ceph-block": volume "pvc-6f6d70ba-6961-42b5-aa9d-db13c1aeec7c" provisioned I0925 07:46:49.310419 1 controller.go:1456] provision "default/mysql-pv-claim" class "rook-ceph-block": succeeded I0925 07:46:49.319422 1 controller.go:1332] provision "default/mysql-pv-claim" class "rook-ceph-block": started I0925 07:46:49.319446 1 controller.go:1341] provision "default/mysql-pv-claim" class "rook-ceph-block": persistentvolume "pvc-6f6d70ba-6961-42b5-aa9d-db13c1aeec7c" already exists, skipping I0925 07:46:49.319615 1 event.go:282] Event(v1.ObjectReference{Kind:"PersistentVolumeClaim", Namespace:"default", Name:"mysql-pv-claim", UID:"6f6d70ba-6961-42b5-aa9d-db13c1aeec7c", APIVersion:"v1", ResourceVersion:"2798560", FieldPath:""}): type: 'Normal' reason: 'ProvisioningSucceeded' Successfully provisioned volume pvc-6f6d70ba-6961-42b5-aa9d-db13c1aeec7c I0925 07:48:52.230183 1 controller.go:1332] provision "default/wp-pv-claim" class "rook-ceph-block": started I0925 07:48:52.230656 1 event.go:282] Event(v1.ObjectReference{Kind:"PersistentVolumeClaim", Namespace:"default", Name:"wp-pv-claim", UID:"d5eb4142-532f-4704-9d15-94ffc7f35dd1", APIVersion:"v1", ResourceVersion:"2799324", FieldPath:""}): type: 'Normal' reason: 'Provisioning' External provisioner is provisioning volume for claim "default/wp-pv-claim" I0925 07:48:52.289747 1 controller.go:1439] provision "default/wp-pv-claim" class "rook-ceph-block": volume "pvc-d5eb4142-532f-4704-9d15-94ffc7f35dd1" provisioned I0925 07:48:52.289790 1 controller.go:1456] provision "default/wp-pv-claim" class "rook-ceph-block": succeeded I0925 07:48:52.295778 1 controller.go:1332] provision "default/wp-pv-claim" class "rook-ceph-block": started I0925 07:48:52.295798 1 controller.go:1341] provision "default/wp-pv-claim" class "rook-ceph-block": persistentvolume "pvc-d5eb4142-532f-4704-9d15-94ffc7f35dd1" already exists, skipping I0925 07:48:52.295844 1 event.go:282] Event(v1.ObjectReference{Kind:"PersistentVolumeClaim", Namespace:"default", Name:"wp-pv-claim", UID:"d5eb4142-532f-4704-9d15-94ffc7f35dd1", APIVersion:"v1", ResourceVersion:"2799324", FieldPath:""}): type: 'Normal' reason: 'ProvisioningSucceeded' Successfully provisioned volume pvc-d5eb4142-532f-4704-9d15-94ffc7f35dd1 ``` #### rook提供cephFS服务 ```sh $ kubectl create -f filesystem.yaml ``` ```sh $ kubectl -n rook-ceph get pod -l app=rook-ceph-mds NAME READY STATUS RESTARTS AGE rook-ceph-mds-myfs-a-6dd59747f5-2qjtk 1/1 Running 0 38s rook-ceph-mds-myfs-b-56488764f9-n6fzf 1/1 Running 0 37s ``` ```tex $ kubectl -n rook-ceph exec -it deploy/rook-ceph-tools -- bash [root@rook-ceph-tools-5b85cb4766-8wj5c /]# ceph status cluster: id: 1c545199-7a68-46df-9b21-2a801c1ad1af health: HEALTH_OK services: mon: 3 daemons, quorum a,b,c (age 50m) mgr: a(active, since 70m) mds: myfs:1 {0=myfs-a=up:active} 1 up:standby-replay #mds元数据服务 osd: 3 osds: 3 up (since 71m), 3 in (since 71m) data: pools: 4 pools, 97 pgs objects: 132 objects, 340 MiB usage: 4.0 GiB used, 296 GiB / 300 GiB avail pgs: 97 active+clean io: client: 1.2 KiB/s rd, 2 op/s rd, 0 op/s wr ``` 创建存储类 ```sh $ cat >storageclass-cephfs.yaml <<EOF apiVersion: storage.k8s.io/v1 kind: StorageClass metadata: name: rook-cephfs # Change "rook-ceph" provisioner prefix to match the operator namespace if needed provisioner: rook-ceph.cephfs.csi.ceph.com parameters: # clusterID is the namespace where operator is deployed. clusterID: rook-ceph # CephFS filesystem name into which the volume shall be created fsName: myfs # Ceph pool into which the volume shall be created # Required for provisionVolume: "true" pool: myfs-data0 # The secrets contain Ceph admin credentials. These are generated automatically by the operator # in the same namespace as the cluster. csi.storage.k8s.io/provisioner-secret-name: rook-csi-cephfs-provisioner csi.storage.k8s.io/provisioner-secret-namespace: rook-ceph csi.storage.k8s.io/controller-expand-secret-name: rook-csi-cephfs-provisioner csi.storage.k8s.io/controller-expand-secret-namespace: rook-ceph csi.storage.k8s.io/node-stage-secret-name: rook-csi-cephfs-node csi.storage.k8s.io/node-stage-secret-namespace: rook-ceph reclaimPolicy: Delete EOF ``` ```sh $ kubectl create -f storageclass-cephfs.yaml ``` 测试cephfs ```sh $ cat >test-cephfs-pvc.yaml <<EOF apiVersion: v1 kind: PersistentVolumeClaim metadata: name: cephfs-pvc spec: accessModes: - ReadWriteMany resources: requests: storage: 1Gi storageClassName: rook-cephfs EOF ``` ```sh $ kubectl apply -f test-cephfs-pvc.yaml ``` ```sh $ kubectl get pvc NAME STATUS VOLUME CAPACITY ACCESS MODES STORAGECLASS AGE cephfs-pvc Bound pvc-4e200767-9ed9-4b47-8505-3081b8de6893 1Gi RWX rook-cephfs 8s ``` #### 问题 `1.[WRN] MON_CLOCK_SKEW: clock skew detected on mon.b ?` ```tex $ kubectl -n rook-ceph edit ConfigMap rook-config-override -o yaml config: | [global] mon clock drift allowed = 0.5 $ kubectl -n rook-ceph delete pod $(kubectl -n rook-ceph get pods -o custom-columns=NAME:.metadata.name --no-headers| grep mon) $ kubectl -n rook-ceph exec -it deploy/rook-ceph-tools -- bash [root@rook-ceph-tools-75cf595688-hrtmv /]# ceph -s cluster: id: 023baa6d-8ec1-4ada-bd17-219136f656b4 health: HEALTH_OK services: mon: 3 daemons, quorum a,b,c (age 2m) mgr: a(active, since 24m) osd: 3 osds: 3 up (since 25m), 3 in (since 25m) data: pools: 1 pools, 128 pgs objects: 0 objects, 0 B usage: 19 MiB used, 300 GiB / 300 GiB avail pgs: 128 active+clean ``` `2.type: 'Warning' reason: 'ProvisioningFailed' failed to provision volume with StorageClass "rook-ceph-block": rpc error: code = Aborted desc = an operation with the given Volume ID pvc-34167041-eb16-4f03-b01e-6b915089488d already exists` 删除下面的pod ```sh kubectl get po -n rook-ceph | grep csi-cephfsplugin-provisioner- kubectl get po -n rook-ceph | grep csi-rbdplugin-provisioner- kubectl get po -n rook-ceph | grep csi-rbdplugin- kubectl get po -n rook-ceph | grep csi-cephfsplugin- ``` `3.创建pvc一直pengding状态,查看csi-rbdplugin-provisioner日志提示provision volume with StorageClass "rook-ceph-block": rpc error: code = DeadlineExceeded desc = context deadline exceeded` ```sh K8S和rook-ceph的版本不匹配问题,我使用的是kubernetes 1.18.20之前安装rook-ceph 1.7.x就会报这个错,改成v1.6.10就可以了 ```
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兜兜    2021-09-22 10:20:24    2022-01-25 09:20:25   

kubernetes k8s nginx ingress
#### 环境介绍 ```sh k8s版本:1.18.20 ingress-nginx: 3.4.0 ``` #### 安装ingress-nginx ##### 下载helm安装包 ```sh $ wget https://github.com/kubernetes/ingress-nginx/releases/download/ingress-nginx-3.4.0/ingress-nginx-3.4.0.tgz $ tar xvf ingress-nginx-3.4.0.tgz $ cd ingress-nginx ``` #### 配置参数 ```sh $ cat > values.yaml <<EOF controller: image: repository: registry.cn-hangzhou.aliyuncs.com/google_containers/nginx-ingress-controller #更好阿里云镜像 tag: "v0.40.1" digest: sha256:abffcf2d25e3e7c7b67a315a7c664ec79a1588c9c945d3c7a75637c2f55caec6 pullPolicy: IfNotPresent runAsUser: 101 allowPrivilegeEscalation: true containerPort: http: 80 https: 443 config: {} configAnnotations: {} proxySetHeaders: {} addHeaders: {} dnsConfig: {} dnsPolicy: ClusterFirst reportNodeInternalIp: false hostNetwork: true #开启主机网络 hostPort: enabled: true #开启主机端口 ports: http: 80 https: 443 electionID: ingress-controller-leader ingressClass: nginx podLabels: {} podSecurityContext: {} sysctls: {} publishService: enabled: true pathOverride: "" scope: enabled: false tcp: annotations: {} udp: annotations: {} extraArgs: {} extraEnvs: [] kind: DaemonSet #DaemonSet运行 annotations: {} labels: {} updateStrategy: {} minReadySeconds: 0 tolerations: [] affinity: {} topologySpreadConstraints: [] terminationGracePeriodSeconds: 300 nodeSelector: ingress: nginx #配置部署选择ingress=nginx节点 livenessProbe: failureThreshold: 5 initialDelaySeconds: 10 periodSeconds: 10 successThreshold: 1 timeoutSeconds: 1 port: 10254 readinessProbe: failureThreshold: 3 initialDelaySeconds: 10 periodSeconds: 10 successThreshold: 1 timeoutSeconds: 1 port: 10254 healthCheckPath: "/healthz" podAnnotations: {} #replicaCount: 1 #关闭 minAvailable: 1 resources: requests: cpu: 100m memory: 90Mi autoscaling: enabled: false minReplicas: 1 maxReplicas: 11 targetCPUUtilizationPercentage: 50 targetMemoryUtilizationPercentage: 50 autoscalingTemplate: [] enableMimalloc: true customTemplate: configMapName: "" configMapKey: "" service: enabled: true annotations: {} labels: {} externalIPs: [] loadBalancerSourceRanges: [] enableHttp: true enableHttps: true ports: http: 80 https: 443 targetPorts: http: http https: https type: LoadBalancer nodePorts: http: "" https: "" tcp: {} udp: {} internal: enabled: false annotations: {} extraContainers: [] extraVolumeMounts: [] extraVolumes: [] extraInitContainers: [] admissionWebhooks: enabled: false #关闭 failurePolicy: Fail port: 8443 service: annotations: {} externalIPs: [] loadBalancerSourceRanges: [] servicePort: 443 type: ClusterIP patch: enabled: true image: repository: docker.io/jettech/kube-webhook-certgen tag: v1.3.0 pullPolicy: IfNotPresent priorityClassName: "" podAnnotations: {} nodeSelector: {} tolerations: [] runAsUser: 2000 metrics: port: 10254 enabled: false service: annotations: {} externalIPs: [] loadBalancerSourceRanges: [] servicePort: 9913 type: ClusterIP serviceMonitor: enabled: false additionalLabels: {} namespace: "" namespaceSelector: {} scrapeInterval: 30s targetLabels: [] metricRelabelings: [] prometheusRule: enabled: false additionalLabels: {} rules: [] lifecycle: preStop: exec: command: - /wait-shutdown priorityClassName: "" revisionHistoryLimit: 10 maxmindLicenseKey: "" defaultBackend: enabled: false image: repository: k8s.gcr.io/defaultbackend-amd64 tag: "1.5" pullPolicy: IfNotPresent runAsUser: 65534 extraArgs: {} serviceAccount: create: true name: extraEnvs: [] port: 8080 livenessProbe: failureThreshold: 3 initialDelaySeconds: 30 periodSeconds: 10 successThreshold: 1 timeoutSeconds: 5 readinessProbe: failureThreshold: 6 initialDelaySeconds: 0 periodSeconds: 5 successThreshold: 1 timeoutSeconds: 5 tolerations: [] affinity: {} podSecurityContext: {} podLabels: {} nodeSelector: {} podAnnotations: {} replicaCount: 1 minAvailable: 1 resources: {} service: annotations: {} externalIPs: [] loadBalancerSourceRanges: [] servicePort: 80 type: ClusterIP priorityClassName: "" rbac: create: true scope: false podSecurityPolicy: enabled: false serviceAccount: create: true name: imagePullSecrets: [] tcp: {} udp: {} EOF ``` #### 创建命名空间 ```sh $ kubectl create namespace ingress-nginx ``` #### 节点打标签 ```sh $ kubectl label nodes k8s-master1 ingress=nginx $ kubectl label nodes k8s-master2 ingress=nginx $ kubectl label nodes k8s-node1 ingress=nginx ``` #### 安装nginx-ingress ```sh $ helm -n ingress-nginx upgrade -i ingress-nginx . ``` #### 卸载ingress-nginx ```sh $ helm -n ingress-nginx uninstall ingress-nginx ``` #### 测试nginx-ingress #### 部署一个测试nginx服务 ```sh $ cat > nginx-deployment.yml <<EOF apiVersion: apps/v1 kind: Deployment metadata: name: nginx-deploy spec: replicas: 3 selector: matchLabels: app: nginx template: metadata: labels: app: nginx spec: containers: - name: nginx image: nginx ports: - containerPort: 80 --- apiVersion: v1 kind: Service metadata: name: nginx-service spec: selector: app: nginx ports: - protocol: TCP port: 80 targetPort: 80 type: ClusterIP EOF ``` 配置ingress对象 创建TLS证书 ```sh $ kubectl create secret tls shudoon-com-tls --cert=5024509__example.com.pem --key=5024509__example.com.key ``` #### 创建ingress规则 ```sh $ cat >tnginx-ingress.yaml <<EOF apiVersion: networking.k8s.io/v1beta1 kind: Ingress metadata: annotations: kubernetes.io/ingress.class: nginx name: tnginx-ingress spec: rules: - host: tnginx.example.com http: paths: - path: / backend: serviceName: nginx-service servicePort: 80 # This section is only required if TLS is to be enabled for the Ingress tls: - hosts: - tnginx.example.com secretName: shudoon-com-tls EOF ``` 测试 https://tnginx.example.com/ #### 问题 `问题:创建自定义ingress报错:Internal error occurred: failed calling webhook “validate.nginx.ingress.kubernetes.io` 查看策略 ```sh $ kubectl get validatingwebhookconfigurations ``` 删除策略 ```sh $ kubectl delete -A ValidatingWebhookConfiguration ingress-nginx-admission ```
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