You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
59 lines
1.5 KiB
Bash
59 lines
1.5 KiB
Bash
#!/usr/bin/env bash
|
|
# vim:ts=4:sts=4:sw=4:et
|
|
#
|
|
# Author: Hari Sekhon
|
|
# Date: 2019-12-10 11:33:52 +0000 (Tue, 10 Dec 2019)
|
|
#
|
|
# https://github.com/harisekhon/bash-tools
|
|
#
|
|
# License: see accompanying Hari Sekhon LICENSE file
|
|
#
|
|
# 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
|
|
#
|
|
# https://www.linkedin.com/in/harisekhon
|
|
#
|
|
|
|
set -euo pipefail
|
|
[ -n "${DEBUG:-}" ] && set -x
|
|
srcdir="$(dirname "${BASH_SOURCE[0]}")"
|
|
|
|
# shellcheck disable=SC1090
|
|
. "$srcdir/lib/utils.sh"
|
|
|
|
# shellcheck disable=SC2034,SC2154
|
|
usage_description="
|
|
Lists all Impala databases using adjacent impala_shell.sh script
|
|
|
|
|
|
FILTER environment variable will restrict to matching databases (if giving <db>.<table>, matches up to the first dot)
|
|
|
|
|
|
Tested on Impala 2.7.0, 2.12.0 on CDH 5.10, 5.16 with Kerberos and SSL
|
|
|
|
|
|
For more documentation see the comments at the top of impala_shell.sh
|
|
|
|
For a better version written in Python see DevOps Python tools repo:
|
|
|
|
https://github.com/harisekhon/devops-python-tools
|
|
"
|
|
|
|
# used by usage() in lib/utils.sh
|
|
# shellcheck disable=SC2034
|
|
usage_args="[<impala_shell_options>]"
|
|
|
|
help_usage "$@"
|
|
|
|
|
|
# strip comments after database name, eg.
|
|
# default Default Hive database
|
|
"$srcdir/impala_shell.sh" --quiet -Bq 'SHOW DATABASES' "$@" |
|
|
awk '{print $1}' |
|
|
while read -r db; do
|
|
if [ -n "${FILTER:-}" ] &&
|
|
! [[ "$db" =~ ${FILTER%%.*} ]]; then
|
|
continue
|
|
fi
|
|
printf '%s\n' "$db"
|
|
done
|