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编译cratedb 支持多集群节点部署

作者：互联网

很多时候为了体验多集群的特性，但是默认是的3节点的，我们可以修改代码解决

参考代码修改

Dockerfile

需要参考官方docker 信息,配置（crate.yml&&log4j2.properties）以及docker-entrypoint.sh（注意自己的镜像需要添加执行权限）

  
## -*- docker-image-name: "docker-crate" -*-
#
# Crate Dockerfile
# https://github.com/crate/docker-crate
#
​
FROM centos:7
​
RUN groupadd crate && useradd -u 1000 -g crate -d /crate crate
​
COPY crate-4.4.0-SNAPSHOT-2788b17.tar.gz .
​
# install crate
RUN yum install -y yum-utils \
    && yum makecache \
    && yum install -y python36 openssl \
    && yum clean all \
    && rm -rf /var/cache/yum \
    && export PLATFORM="$( \
        case $(uname --m) in \
            x86_64)  echo x64_linux ;; \
            aarch64) echo aarch64_linux ;; \
        esac)" \
    && export GNUPGHOME="$(mktemp -d)" \
    && tar -xf crate-4.4.0-SNAPSHOT-2788b17.tar.gz -C /crate --strip-components=1 \
    && rm crate-4.4.0-SNAPSHOT-2788b17.tar.gz \
    && ln -sf /usr/bin/python3.6 /usr/bin/python3
​
# install crash
RUN curl -fSL -O https://cdn.crate.io/downloads/releases/crash_standalone_0.26.0 \
    && curl -fSL -O https://cdn.crate.io/downloads/releases/crash_standalone_0.26.0.asc \
    && export GNUPGHOME="$(mktemp -d)" \
    && gpg --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 90C23FC6585BC0717F8FBFC37FAAE51A06F6EAEB \
    && gpg --batch --verify crash_standalone_0.26.0.asc crash_standalone_0.26.0 \
    && rm -rf "$GNUPGHOME" crash_standalone_0.26.0.asc \
    && mv crash_standalone_0.26.0 /usr/local/bin/crash \
    && chmod +x /usr/local/bin/crash
​
ENV PATH /crate/bin:$PATH
# Default heap size for Docker, can be overwritten by args
ENV CRATE_HEAP_SIZE 512M
​
RUN mkdir -p /data/data /data/log
​
VOLUME /data
​
WORKDIR /data
​
# http: 4200 tcp
# transport: 4300 tcp
# postgres protocol ports: 5432 tcp
EXPOSE 4200 4300 5432
​
# These COPY commands have been moved before the last one due to the following issues:
# https://github.com/moby/moby/issues/37965#issuecomment-448926448
# https://github.com/moby/moby/issues/38866
COPY --chown=1000:0 config/crate.yml /crate/config/crate.yml
COPY --chown=1000:0 config/log4j2.properties /crate/config/log4j2.properties
​
LABEL maintainer="Crate.io <office@crate.io>" \
    org.opencontainers.image.created="2021-01-06T13:49:59.918942" \
    org.opencontainers.image.title="crate" \
    org.opencontainers.image.description="CrateDB is a distributed SQL database handles massive amounts of machine data in real-time." \
    org.opencontainers.image.url="https://crate.io/products/cratedb/" \
    org.opencontainers.image.source="https://github.com/crate/docker-crate" \
    org.opencontainers.image.vendor="Crate.io" \
    org.opencontainers.image.version="4.4.0"
​
COPY docker-entrypoint.sh /
​
ENTRYPOINT ["/docker-entrypoint.sh"]
CMD ["crate"]

参考使用

5 节点的，具体参考github https://github.com/rongfengliang/cratedb4-4-clustere-learning

version: "3"
services:
  crate1:
    image: dalongrong/cratedb:4.4.0
    volumes:
    - "./cratedb/data1:/data"
    - "./cratedb/1.yaml:/crate/config/crate.yml"
    ports:
    - "4200:4200"
    - "4300:4300"
    - "5432:5432"
  crate2:
    image: dalongrong/cratedb:4.4.0
    volumes:
    - "./cratedb/data2:/data"
    - "./cratedb/2.yaml:/crate/config/crate.yml"
    ports:
    - "4201:4200"
    - "4301:4300"
    - "5433:5432"
  crate3:
    image: dalongrong/cratedb:4.4.0
    volumes:
    - "./cratedb/data3:/data"
    - "./cratedb/3.yaml:/crate/config/crate.yml"
    ports:
    - "4202:4200"
    - "4302:4300"
    - "5434:5432"
  crate4:
    image: dalongrong/cratedb:4.4.0
    volumes:
    - "./cratedb/data4:/data"
    - "./cratedb/4.yaml:/crate/config/crate.yml"
    ports:
    - "4203:4200"
    - "4303:4300"
    - "5435:5432"
  crate5:
    image: dalongrong/cratedb:4.4.0
    volumes:
    - "./cratedb/data5:/data"
    - "./cratedb/5.yaml:/crate/config/crate.yml"
    ports:
    - "4204:4200"
    - "4304:4300"
    - "5436:5432"

参考效果

 

 

说明

一个可用的docker镜像我已经push dockerhub了dalongrong/cratedb:4.4.0,但是推荐搭建测试环境使用，如果真要使用
无限制的企业特性最好还是购买企业license

参考资料

https://github.com/rongfengliang/cratedb4-4-clustere-learning
https://github.com/crate/docker-crate
https://github.com/crate/crate
https://github.com/crate/crate/blob/master/devs/docs/basics.rst

标签：https,image,crate,编译,&&,cratedb,com,节点
来源： https://www.cnblogs.com/rongfengliang/p/14252525.html