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213 lines
6.2 KiB
Bash
213 lines
6.2 KiB
Bash
#!/usr/bin/env bash
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# vim:ts=4:sts=4:sw=4:et
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#
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# Author: Hari Sekhon
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# Date: 2020-08-05 19:49:48 +0100 (Wed, 05 Aug 2020)
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#
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# https://github.com/harisekhon/bash-tools
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#
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# License: see accompanying Hari Sekhon LICENSE file
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#
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# If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help steer this or other code I publish
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#
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# https://www.linkedin.com/in/harisekhon
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#
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# https://hub.docker.com/_/mysql
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set -euo pipefail
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[ -n "${DEBUG:-}" ] && set -x
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srcdir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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# shellcheck disable=SC1090
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. "$srcdir/lib/utils.sh"
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# shellcheck disable=SC1090
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. "$srcdir/lib/dbshell.sh"
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# defined in lib/dbshell.sh
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# shellcheck disable=SC2154
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shell_description="$sql_mount_description
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Source a sql script:
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source mysql_info.sql
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Get shell access:
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\\! bash
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List available SQL scripts:
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\\! ls -l mysql*.sql
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"
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# shellcheck disable=SC2034,SC2154
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usage_description="
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Boots a quick MySQL docker container and drops you in to the 'mysql' shell
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Multiple invocations of this script will connect to the same MySQL container if already running
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and the last invocation of this script to exit from the mysql shell will delete that container
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MySQL version can be specified using the first argument, or the \$MYSQL_VERSION environment variable,
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otherwise 'latest' is used
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Versions to use can be found from the following URL:
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https://hub.docker.com/_/mysql?tab=tags
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or programmatically on the command line (see DevOps Python tools repo):
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dockerhub_show_tags.py mysql
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Options to the 'mysql' shell command can be given using the \$MYSQL_OPTS environment variable
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Automatically creates shared bind mount points from host to container for convenience:
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$shell_description
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Tested on MySQL 5.5, 5.6, 5.7, 8.0
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"
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# used by usage() in lib/utils.sh
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# shellcheck disable=SC2034
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usage_args="[<version>] [options]
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-n --name NAME Docker container name to use (default: mysql)
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-p --port PORT Expose MySQL port 3306 on given port number
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-d --no-delete Don't delete the container upon the last mysql session closing (\$DOCKER_NO_DELETE)
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-r --restart Force a restart of a clean MySQL instance (\$MYSQL_RESTART)
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-s --sample Load sample Chinook database (\$LOAD_SAMPLE)"
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help_usage "$@"
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docker_image=mysql
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port=""
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docker_opts=""
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password="${MYSQL_ROOT_PASSWORD:-${MYSQL_PWD:-${MYSQL_PASSWORD:-${PASSWORD:-test}}}}"
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while [ $# -gt 0 ]; do
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# DOCKER_NO_DELETE used by functions from lib
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# shellcheck disable=SC2034
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case "$1" in
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-n| --name) container_name="$2"
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shift
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;;
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-p| --port) port="$2"
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[[ "$port" =~ ^[[:digit:]]*$ ]] || die "invalid --port '$port' given"
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shift
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;;
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-s|--sample) LOAD_SAMPLE_DB=1
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;;
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-r|--restart) MYSQL_RESTART=1
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;;
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-d|--no-delete) DOCKER_NO_DELETE=1
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;;
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*) version="$1"
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;;
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esac
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shift
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done
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container_name="${container_name:-${MYSQL_CONTAINER_NAME:-mysql}}"
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version="${version:-${MYSQL_VERSION:-latest}}"
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if [ -n "$port" ]; then
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docker_opts="-p $port:5432"
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fi
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db="$srcdir/chinook.mysql"
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if [ -n "${LOAD_SAMPLE_DB:-}" ] &&
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! [ -f "$db" ]; then
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timestamp "downloading sample 'chinook' database"
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wget -qcO "$db" 'https://github.com/lerocha/chinook-database/blob/master/ChinookDatabase/DataSources/Chinook_MySql.sql?raw=true'
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#iconv -f ISO-8859-1 -t UTF-8 "$db" > "$db.utf8"
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fi
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# kill existing if we have specified a different version than is running
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docker_image_version="$(docker_container_image "$container_name")"
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if [ -n "$docker_image_version" ] &&
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[ "$docker_image_version" != "$docker_image:$version" ]; then
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MYSQL_RESTART=1
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fi
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# remove existing non-running container so we can boot a new one
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if docker_container_not_running "$container_name"; then
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MYSQL_RESTART=1
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fi
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if [ -n "${MYSQL_RESTART:-}" ]; then
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# ensures version is correct before we kill any existing test env to switch versions to minimize downtime
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timestamp "docker pull $docker_image:$version"
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docker_pull "$docker_image:$version"
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timestamp "killing existing MySQL container:"
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docker rm -f "$container_name" 2>/dev/null || :
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fi
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if ! docker_container_exists "$container_name"; then
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timestamp "booting MySQL container from image '$docker_image:$version':"
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# defined in lib/dbshell.sh
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# shellcheck disable=SC2154,SC2086
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docker run -d \
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--name "$container_name" \
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$docker_opts \
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-e MYSQL_ROOT_PASSWORD="$password" \
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$docker_sql_mount_switches \
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"$docker_image":"$version"
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#-v "$srcdir/setup/mysql/conf.d/my.cnf:/etc/mysql/conf.d/" \
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fi
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wait_for_mysql_ready "$container_name"
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echo
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timestamp "linking shell profile for .my.cnf"
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docker exec "$container_name" bash -c "cd /bash && setup/shell_link.sh &>/dev/null" || :
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# yes expand now
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# shellcheck disable=SC2064
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trap "echo ERROR; echo; echo; [ -z '${DEBUG:-}' ] || docker logs '$container_name'" EXIT
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if [ -n "${LOAD_SAMPLE_DB:-}" ]; then
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dbname="${db##*/}"
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dbname="${dbname%%.*}"
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timestamp "loading $dbname database"
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#docker exec -i "$container_name" mysql -u root -p"$password" ${MYSQL_OPTS:-} -e "CREATE DATABASE IF NOT EXISTS $dbname"
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timestamp "loading data (this may take a minute)"
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# shellcheck disable=SC2086
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docker exec -i -e MYSQL_PWD="$password" "$container_name" mysql -u root ${MYSQL_OPTS:-} < "${db}"
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timestamp "done"
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echo >&2
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fi
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if has_terminal && [ -z "${DOCKER_NO_TERMINAL:-}" ]; then
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cat <<EOF
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$shell_description
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EOF
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fi
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# cd to /sql to make sourcing easier without /sql/ path prefix
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docker_exec_opts="-w /sql -i"
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# allow non-interactive piped automation to avoid tty errors eg.
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# for sql in mysql*.sql; do echo "source $sql"; done | mysqld.sh
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# normally you would just 'mysqld.sh mysql*.sql' but this is used by mysql_test_scripts.sh
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if has_terminal && [ -z "${DOCKER_NO_TERMINAL:-}" ]; then
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docker_exec_opts+=" -t"
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fi
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# want opt splitting
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# shellcheck disable=SC2086
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docker exec -e MYSQL_PWD="$password" $docker_exec_opts "$container_name" mysql -u root ${MYSQL_OPTS:-}
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untrap
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docker_rm_when_last_connection "$0" "$container_name"
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