docker - Cassandra启动后运行脚本(Docker)

Question

我试图在Cassandra启动后运行一个脚本，该脚本将创建键空间。

这是我的 docker 撰写:

version: '3.6'

services:
  cassandra:
    container_name: cassandra
    image: bitnami/cassandra:3.11.2
    volumes:
        - ./cassandra_data:/bitnami
        - ./scripts/cassandra_init.sh:/cassandra_init.sh
    environment:
        - CASSANDRA_USER=${CASSANDRA_USERNAME}
        - CASSANDRA_PASSWORD=${CASSANDRA_PASSWORD}
        - CASSANDRA_CLUSTER_NAME=Testing
        - CASSANDRA_PASSWORD_SEEDER=yes
    entrypoint: ["/app-entrypoint.sh"]
    command: ["nami","start","--foreground","cassandra","/cassandra_init.sh"]
volumes:
  cassandra_data:

["nami","start","--foreground","cassandra"]启动Cassandra。如果我在不添加脚本的情况下启动容器，则可以正常工作。

但是，如果我启动包含脚本的容器，则在容器启动后会出现此错误:nami ERROR Unknown command '/cassandra_init.sh'
我该如何实现？

Answer 1

我想到了。

在docker.compose中，我必须调用脚本init.sh并调用它:

version: '3.6'

services:
  cassandra:
    container_name: cassandra
    image: bitnami/cassandra:3.11.2
    volumes:
        - ./cassandra_data:/bitnami
        - ./scripts/cassandra_init.sh:/init.sh
    environment:
        - CASSANDRA_USER=${CASSANDRA_USERNAME}
        - CASSANDRA_PASSWORD=${CASSANDRA_PASSWORD}
        - CASSANDRA_CLUSTER_NAME=Testing
        - CASSANDRA_PASSWORD_SEEDER=yes
    entrypoint: ["/app-entrypoint.sh"]
    command: ["/init.sh"]
volumes:
  cassandra_data:

脚本应如下所示:

#!/bin/bash
nami start cassandra
echo "script stuff here to run after cassandra starts"