pgspiderredisfdw试用

FROM dalongrong/pgspider:base as build

WORKDIR /app

RUN apt-get update && apt-get install -y libhiredis-dev

RUN wget https://github.com/nahanni/rw_redis_fdw/archive/v1.0.tar.gz && tar zxf v1.0.tar.gz && mv rw_redis_fdw-1.0 redis_fdw && cp -rf redis_fdw /app/postgresql-11.6/contrib/redis_fdw

RUN cd /app/postgresql-11.6/contrib/redis_fdw && make && make install

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FROM debian:stretch-slim

ENV GOSU_VERSION 1.11

RUN apt-get update && apt-get install -y wget libhiredis-dev 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

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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

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# 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/*

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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"]

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EXPOSE 5432

CMD ["postgres"]

version: "3"

services:

 redis:

   image: redis

   ports:

   - "6379:6379"

 pg-redis:

   image: dalongrong/pgspider:redis

   ports:

   - "5432:5432"

   environment:

   - "POSTGRES_PASSWORD:dalong"

docker-compose up -d

// 创建扩展

CREATE EXTENSION redis_fdw;

// 创建server

CREATE SERVER redis_server

    FOREIGN DATA WRAPPER redis_fdw

    OPTIONS (host ‘redis‘, port ‘6379‘);

// 创建用户映射，此demo 填写随意的就可以

CREATE USER MAPPING FOR postgres

    SERVER redis_server

    OPTIONS (password ‘demo‘);

// 创建外部表映射,一个可写的string 类型

CREATE FOREIGN TABLE rft_str(

     key TEXT,

     value TEXT,

     expiry INT

) SERVER redis_server

   OPTIONS (tabletype ‘string‘);

// insert 数据

   insert into rft_str values(‘user_id‘,‘dalong‘,2000);