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DevOps-Bash-tools/kubernetes/kubectl_pod_ips.sh

57 lines
1.3 KiB
Bash

#!/usr/bin/env bash
# vim:ts=4:sts=4:sw=4:et
#
# Author: Hari Sekhon
# Date: 2021-04-27 15:56:59 +0100 (Tue, 27 Apr 2021)
#
# https://github.com/HariSekhon/DevOps-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 "${DEBUG:-}" ] && set -x
srcdir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
# shellcheck disable=SC1090,SC1091
. "$srcdir/lib/utils.sh"
# shellcheck disable=SC1090,SC1091
. "$srcdir/lib/kubernetes.sh"
# shellcheck disable=SC2034,SC2154
usage_description="
Lists Kubernetes pods and their pod IPs, one per line (more convenient for shell piping)
Specify kubectl options like --namespace '...' or --all-namespaces are arguments like you normally would
Output Format:
<namespace> <pod_name> <ip>
<namespace> <pod_name2> <ip>
...
Requires kubectl to be installed and configured
"
# used by usage() in lib/utils.sh
# shellcheck disable=SC2034
usage_args="[<kubectl_options>]"
help_usage "$@"
kube_config_isolate
kubectl get pods -o json "$@" |
jq -r '
.items[] |
[.metadata.namespace, .metadata.name, .status.podIP] |
@tsv
' |
column -t