pgspider griddb fdw +plv8 集成使用
以下是一个简单的griddb fdw 与plv8 的集成，同时添加了node require 模块的支持，可以实现灵活的系统扩展
pgspider plv8 docker镜像制作
- dockerfile
FROM dalongrong/pgspider:base as build
WORKDIR /app
ENV PLV8_VERSION=v2.3.12
ENV PLV8_VERSION_1=2.3.12
RUN apt-get update && apt-get install -y ca-certificates python curl libc++-dev libc++abi-dev pkg-config
RUN curl -o ${PLV8_VERSION}.tar.gz -SL "https://github.com/plv8/plv8/archive/$PLV8_VERSION.tar.gz" \
&& tar -xzf ${PLV8_VERSION}.tar.gz && mv plv8-${PLV8_VERSION_1} plv8 && cp -rf plv8 /app/postgresql-11.6/contrib/plv8_fdw \
&& cd /app/postgresql-11.6/contrib/plv8_fdw && make static && make install
FROM debian:stretch-slim
ENV GOSU_VERSION 1.11
RUN apt-get update && apt-get install -y wget libc++1 libreadline-dev
# explicitly set user/group IDs
RUN set -eux; \
groupadd -r postgres --gid=999; \
# https://salsa.debian.org/postgresql/postgresql-common/blob/997d842ee744687d99a2b2d95c1083a2615c79e8/debian/postgresql-common.postinst#L32-35
useradd -r -g postgres --uid=999 --home-dir=/var/lib/postgresql --shell=/bin/bash postgres; \
# also create the postgres user's home directory with appropriate permissions
# see https://github.com/docker-library/postgres/issues/274
mkdir -p /var/lib/postgresql; \
chown -R postgres:postgres /var/lib/postgresql
RUN wget -O /usr/local/bin/gosu "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-$(dpkg --print-architecture)" \
&& chmod +x /usr/local/bin/gosu \
&& gosu nobody true
# make the "en_US.UTF-8" locale so postgres will be utf-8 enabled by default
RUN set -eux; \
if [ -f /etc/dpkg/dpkg.cfg.d/docker ]; then \
# if this file exists, we're likely in "debian:xxx-slim", and locales are thus being excluded so we need to remove that exclusion (since we need locales)
grep -q '/usr/share/locale' /etc/dpkg/dpkg.cfg.d/docker; \
sed -ri '/\/usr\/share\/locale/d' /etc/dpkg/dpkg.cfg.d/docker; \
! grep -q '/usr/share/locale' /etc/dpkg/dpkg.cfg.d/docker; \
fi; \
apt-get update; apt-get install -y locales; rm -rf /var/lib/apt/lists/*; \
localedef -i en_US -c -f UTF-8 -A /usr/share/locale/locale.alias en_US.UTF-8
ENV LANG en_US.utf8
# install "nss_wrapper" in case we need to fake "/etc/passwd" and "/etc/group" (especially for OpenShift)
# https://github.com/docker-library/postgres/issues/359
# https://cwrap.org/nss_wrapper.html
RUN set -eux; \
apt-get update; \
apt-get install -y --no-install-recommends libnss-wrapper; \
rm -rf /var/lib/apt/lists/*
RUN mkdir /docker-entrypoint-initdb.d
COPY --from=build /usr/local/pgspider /usr/local/pgspider
RUN sed -ri "s!^#?(listen_addresses)\s*=\s*\S+.*!\1 = '*'!" /usr/local/pgspider/share/postgresql/postgresql.conf.sample; \
grep -F "listen_addresses = '*'" /usr/local/pgspider/share/postgresql/postgresql.conf.sample
RUN mkdir -p /var/run/postgresql && chown -R postgres:postgres /var/run/postgresql && chmod 2777 /var/run/postgresql
ENV PATH $PATH:/usr/local/pgspider/bin
ENV PGDATA /var/lib/postgresql/data
RUN mkdir -p "$PGDATA" && chown -R postgres:postgres "$PGDATA" && chmod 777 "$PGDATA"
VOLUME /var/lib/postgresql/data
COPY docker-entrypoint.sh /usr/local/bin/
RUN ln -s usr/local/bin/docker-entrypoint.sh / # backwards compat
ENTRYPOINT ["docker-entrypoint.sh"]
EXPOSE 5432
CMD ["postgres"]
说明，已经push docker hub 了，同时添加了mysql,sqlite,oracle,tds,influxdb,mongodb 等的支持
使用
- docker-compose 环境
version: "3"
services:
pgspider-griddb:
image: dalongrong/pgspider:griddb-4.2-plv8
environment:
- "POSTGRES_PASSWORD=dalong"
ports:
- "5432:5432"
griddb-java:
build:
context: ./
dockerfile: ./Dockerfile-java
environment:
- "MEMBER_ADDR=griddb:10001"
griddb:
build: ./
volumes:
- "./log:/var/lib/gridstore/log"
ports:
- "10001:10001"
- "10010:10010"
- "10020:10020"
- "10030:10030"
- "10040:10040"
- "10050:10050"
- "10080:10080"
- "20001:20001"
- 项目说明
包含了griddb ,一个java 应用，写入demo 数据的，一个包含plv8 以及griddb fdw 的pg，以及nodejs应用提供node require
支持以及数据查询，详细代码参考https://github.com/rongfengliang/plv8-griddb-learning - 使用
启动griddb 以及pg
docker-compose up -d griddb pgspider-griddb
- 启动java 应用，初始化数据
docker-compose up griddb-java
- 使用扩展griddb
griddb fdw:
CREATE EXTENSION griddb_fdw;
CREATE SERVER griddb_svr FOREIGN DATA WRAPPER griddb_fdw OPTIONS(notification_member 'griddb:10001',clustername 'defaultCluster');
CREATE USER MAPPING FOR public SERVER griddb_svr OPTIONS(username 'admin', password 'admin');
IMPORT FOREIGN SCHEMA griddb_schema FROM SERVER griddb_svr INTO public;
select * from col01;
- 集成plv8
cd node-app && yarn && node app.js
- 修改session 配置重启pg
为了方便每个用户集成pg 的plv8 扩展的require 模块，需要重启
ALTER DATABASE postgres SET "plv8.start_proc" TO "v8.plv8_init";
- 创建函数
CREATE or replace FUNCTION shortid() RETURNS text AS
$$
const shortid = require('shortid');
const result = shortid.generate();
return result;
$$
LANGUAGE plv8;
- 插入数据
nodejs 应用
cd node-app && yarn && node index.js
psql 管理工具 
说明你
关于griddb 以及plv8 的可以参考官方文档，或者我写的一些简单的文章
参考资料
https://github.com/rongfengliang/plv8-griddb-learning
https://www.cnblogs.com/rongfengliang/category/1584238.html
https://www.cnblogs.com/rongfengliang/category/1642606.html
https://www.cnblogs.com/rongfengliang/category/1641930.html
https://hub.docker.com/repository/docker/dalongrong/pgspider
