Updated zookeeper templates to v 3.4.9
This commit is contained in:
Raul Sanchez
parent
41c2541e98
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31
kubernetes-templates/zookeeper/1/README.md
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31
kubernetes-templates/zookeeper/1/README.md
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# Apache Zookeeper (Experimental)
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### Info:
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This template creates, scale in and scale out a multinodes zk (zookeeper) cluster on top of k8s. The configuration is generated with confd watching k8s metadata.
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Cluster size are variable after deployment, and get reconfigured if you scale.
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The services generates ZKID's (saving them as pod labels) and start the zookeeper cluster.
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### Usage:
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Select Apache Zookeeper from catalog.
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Change the following zookeeper default parameters, if you need:
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- zk_name="zookeeper" # Name of the k8s rc and service.
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- zk_namespace="default" # Name of the k8s namespace
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- zk_scale="3" # Number of zk replicas
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- zk_mem="512" # Mem to configure zk.
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- zk_data_dir="/opt/zk/data" # Zk dataDir param value
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- zk_init_limit="10" # zk initLimit param value
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- zk_max_client_cxns="500" # zk maxClientCnxns param value
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- zk_sync_limit="5" # zk syncLimit param value
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- zk_tick_time="2000" # zk tickTime param value
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Click deploy.
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Zookeeper can now be accessed over the Rancher network.
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Testing Feature: When you scale the cluster, zero downtime is expected...
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73
kubernetes-templates/zookeeper/1/rancher-compose.yml
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73
kubernetes-templates/zookeeper/1/rancher-compose.yml
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.catalog:
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name: Zookeeper
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version: 3.4.9-k8s1
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description: |
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(Experimental) Apache Zookeeper cluster.
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minimum_rancher_version: v0.59.0
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maintainer: "Raul Sanchez <rawmind@gmail.com>"
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uuid: zk-0
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questions:
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- variable: "zk_name"
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description: "Name of zookeeper rc and service."
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label: "K8s rc name:"
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required: true
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default: "zookeeper"
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type: "string"
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- variable: "zk_namespace"
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description: "Name of zookeeper namespace."
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label: "K8s namespace:"
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required: true
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default: "default"
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type: "string"
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- variable: "zk_scale"
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description: "Number of zk nodes. Note: Recommended an odd number"
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label: "Zk Nodes:"
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required: true
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default: 3
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type: "int"
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- variable: "zk_mem"
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description: "Amount of memory to config zk."
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label: "Zk Memory (mb):"
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required: true
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default: 512
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type: "int"
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- variable: "zk_init_limit"
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description: "Time to allow followers to connect and sync with leader"
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label: "Zk init limit (ticks):"
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required: true
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default: 10
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type: "int"
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- variable: "zk_data_dir"
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description: "Directory where zookeeper store data"
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label: "Zk data dir:"
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required: true
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default: "/opt/zk/data"
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type: "string"
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- variable: "zk_max_client_cxns"
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description: "Max client concurrent connections"
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label: "Zk max client cxns:"
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required: true
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default: 500
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type: "int"
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- variable: "zk_sync_limit"
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description: "Time to allow followers to sync with leader"
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label: "Zk sync limit (ticks):"
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required: true
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default: 5
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type: "int"
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- variable: "zk_tick_time"
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description: "Tick time length"
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label: "Zk tick time (ms):"
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required: true
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default: 2000
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type: "int"
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zk:
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scale: ${zk_scale}
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retain_ip: true
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health_check:
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port: 2181
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interval: 5000
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unhealthy_threshold: 3
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request_line: ''
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healthy_threshold: 2
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response_timeout: 5000
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80
kubernetes-templates/zookeeper/1/zk-rc.yml
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80
kubernetes-templates/zookeeper/1/zk-rc.yml
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apiVersion: v1
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kind: ReplicationController
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metadata:
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name: "${zk_name}"
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namespace: "${zk_namespace}"
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labels:
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name: "${zk_name}"
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spec:
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replicas: ${zk_scale}
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selector:
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name: "${zk_name}"
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template:
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metadata:
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labels:
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name: "${zk_name}"
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annotations:
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spec:
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containers:
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- name: "zk-conf"
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image: "rawmind/k8s-zk:3.4.8-10"
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volumeMounts:
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- mountPath: "/opt/tools"
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name: "zk-conf"
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ports:
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imagePullPolicy: "IfNotPresent"
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- name: "zk-volume"
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image: "rawmind/alpine-volume:0.0.2-1"
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env:
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- name: SERVICE_UID
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value: "10002"
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- name: SERVICE_GID
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value: "10002"
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- name: SERVICE_VOLUME
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value: "${kafka_log_dir}"
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- name: KEEP_ALIVE
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value: "1"
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volumeMounts:
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- mountPath: "${zk_data_dir}"
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name: "zk-data"
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ports:
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imagePullPolicy: "IfNotPresent"
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- name: "zk-service"
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image: "rawmind/alpine-zk:3.4.9"
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env:
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- name: JVMFLAGS
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value: "-Xmx${zk_mem}m -Xms${zk_mem}m"
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- name: ZK_DATA_DIR
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value: "${zk_data_dir}"
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- name: ZK_INIT_LIMIT
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value: "${zk_init_limit}"
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- name: ZK_MAX_CLIENT_CXNS
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value: "${zk_max_client_cxns}"
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- name: ZK_SYNC_LIMIT
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value: "${zk_sync_limit}"
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- name: ZK_TICK_TIME
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value: "${zk_tick_time}"
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- name: POD_NAMESPACE
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value: "${zk_namespace}"
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volumeMounts:
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- mountPath: "${zk_data_dir}"
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name: "zk-data"
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- mountPath: "/opt/tools"
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name: "zk-conf"
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ports:
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- containerPort: 2181
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name: "zk-client"
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protocol: "TCP"
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- containerPort: 2888
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name: "zk-server"
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protocol: "TCP"
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- containerPort: 3888
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name: "zk-leader"
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protocol: "TCP"
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imagePullPolicy: "IfNotPresent"
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restartPolicy: "Always"
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volumes:
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- name: "zk-data"
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emptyDir: {}
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- name: "zk-conf"
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emptyDir: {}
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23
kubernetes-templates/zookeeper/1/zk-service.yml
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23
kubernetes-templates/zookeeper/1/zk-service.yml
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apiVersion: v1
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kind: Service
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metadata:
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name: "${zk_name}"
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namespace: "${zk_namespace}"
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labels:
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name: "${zk_name}"
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spec:
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ports:
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- port: 2181
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targetPort: 2181
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name: "zk-client"
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protocol: "TCP"
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- port: 2888
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targetPort: 2888
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name: "zk-server"
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protocol: "TCP"
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- port: 3888
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targetPort: 3888
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name: "zk-leader"
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protocol: "TCP"
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selector:
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name: "${zk_name}"
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@ -1,7 +1,7 @@
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name: Apache Zookeeper
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description: |
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(Experimental) Zookeeper cluster
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version: 3.4.8-k8s1
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version: 3.4.9-k8s1
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category: Clustering
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maintainer: "Raul Sanchez <rawmind@gmail.com>"
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projectURL: https://github.com/rawmind0/alpine-zk
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projectURL: https://github.com/rawmind0/alpine-zk
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27
templates/zookeeper/2/README.md
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27
templates/zookeeper/2/README.md
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@ -0,0 +1,27 @@
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# Apache Zookeeper (Experimental)
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### Info:
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This template creates, scale in and scale out a multinodes zk (zookeeper) cluster on top of Rancher. The configuration is generated with confd from Rancher metadata.
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Cluster size are variable after deployment, and get reconfigured if refresh interval > 0.
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### Usage:
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Select Apache Zookeeper from catalog.
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Enter the number of nodes, mem and refresh interval for the zk cluster. (set refresh data to 0 to disable dinamic config)
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Change the following zookeeper default parameters, if you need:
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- ZK_DATA_DIR="/opt/zk/data"
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- ZK_INIT_LIMIT="10"
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- ZK_MAX_CLIENT_CXNS="500"
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- ZK_SYNC_LIMIT="5"
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- ZK_TICK_TIME="2000"
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Click deploy.
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Zookeeper can now be accessed over the Rancher network.
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Note: When you scale the cluster, zero downtime is expected...
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40
templates/zookeeper/2/docker-compose.yml
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40
templates/zookeeper/2/docker-compose.yml
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zk:
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tty: true
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image: rawmind/alpine-zk:3.4.9
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volumes_from:
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- zk-volume
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- zk-conf
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environment:
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- JVMFLAGS=-Xmx${zk_mem}m -Xms${zk_mem}m
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- ZK_DATA_DIR=${zk_data_dir}
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- ZK_INIT_LIMIT=${zk_init_limit}
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- ZK_MAX_CLIENT_CXNS=${zk_max_client_cxns}
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- ZK_SYNC_LIMIT=${zk_sync_limit}
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- ZK_TICK_TIME=${zk_tick_time}
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labels:
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io.rancher.scheduler.affinity:container_label_soft_ne: io.rancher.stack_service.name=$${stack_name}/$${service_name}
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io.rancher.container.hostname_override: container_name
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io.rancher.sidekicks: zk-volume, zk-conf
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zk-conf:
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net: none
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labels:
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io.rancher.scheduler.affinity:container_label_soft_ne: io.rancher.stack_service.name=$${stack_name}/$${service_name}
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io.rancher.container.hostname_override: container_name
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io.rancher.container.start_once: true
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image: rawmind/rancher-zk:3.4.8-5
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volumes:
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- /opt/tools
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zk-volume:
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net: none
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labels:
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io.rancher.scheduler.affinity:container_label_soft_ne: io.rancher.stack_service.name=$${stack_name}/$${service_name}
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io.rancher.container.hostname_override: container_name
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io.rancher.container.start_once: true
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environment:
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- SERVICE_UID=10002
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- SERVICE_GID=10002
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- SERVICE_VOLUME=${zk_data_dir}
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volumes:
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- ${zk_data_dir}
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volume_driver: local
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image: rawmind/alpine-volume:0.0.2-1
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67
templates/zookeeper/2/rancher-compose.yml
Normal file
67
templates/zookeeper/2/rancher-compose.yml
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@ -0,0 +1,67 @@
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.catalog:
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name: Zookeeper
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version: 3.4.9-rancher1
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description: |
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(Experimental) Apache Zookeeper cluster.
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minimum_rancher_version: v0.59.0
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maintainer: "Raul Sanchez <rawmind@gmail.com>"
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uuid: zk-0
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questions:
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- variable: "zk_scale"
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description: "Number of zk nodes. Note: Recommended an odd number"
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label: "Zk Nodes:"
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required: true
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default: 3
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type: "int"
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- variable: "zk_mem"
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description: "Amount of memory to config zk."
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label: "Zk Memory (mb):"
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required: true
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default: 512
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type: "int"
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- variable: "zk_init_limit"
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description: "Time to allow followers to connect and sync with leader"
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label: "Zk init limit (ticks):"
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required: true
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default: 10
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type: "int"
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- variable: "zk_data_dir"
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description: "Directory where zookeeper store data"
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label: "Zk data dir:"
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required: true
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default: "/opt/zk/data"
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type: "string"
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- variable: "zk_max_client_cxns"
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description: "Max client concurrent connections"
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label: "Zk max client cxns:"
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required: true
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default: 500
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type: "int"
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- variable: "zk_sync_limit"
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description: "Time to allow followers to sync with leader"
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label: "Zk sync limit (ticks):"
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required: true
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default: 5
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type: "int"
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- variable: "zk_tick_time"
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description: "Tick time length"
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label: "Zk tick time (ms):"
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required: true
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default: 2000
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type: "int"
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- variable: "zk_interval"
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description: "Interval to poll/apply configuration changes. 0 to disable, reconfiguration will be done when you restart zk nodes"
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label: "Zk Interval (s):"
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required: true
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default: 60
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type: "int"
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zk:
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scale: ${zk_scale}
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retain_ip: true
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health_check:
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port: 2181
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interval: 5000
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unhealthy_threshold: 3
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request_line: ''
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healthy_threshold: 2
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response_timeout: 5000
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@ -1,8 +1,8 @@
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name: Apache Zookeeper
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description: |
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(Experimental) Zookeeper cluster
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version: 3.4.8-rancher1
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version: 3.4.9-rancher1
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category: Clustering
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maintainer: "Raul Sanchez <rawmind@gmail.com>"
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projectURL: https://github.com/rawmind0/alpine-zk
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license:
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license:
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