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66 lines
1.8 KiB
Bash
66 lines
1.8 KiB
Bash
4 years ago
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#!/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: 2020-09-01 15:51:36 +0100 (Tue, 01 Sep 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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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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. "$srcdir/lib/utils.sh"
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# shellcheck disable=SC2034,SC2154
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usage_description="
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For all or a given list of instances in the current GCP project, list the instance names and their service accounts
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GCloud SDK is required, and will attempt to infer the zone based on the instance name, but sometimes it cannot, in
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which cases you advised to set the compute/zone yourself (gcloud config set compute/zone ...)
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4 years ago
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Caveat: slow - would write a Python version but the API is so bad and hardly documented that it's not worth the trouble
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4 years ago
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"
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# used by usage() in lib/utils.sh
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# shellcheck disable=SC2034
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usage_args="[<instances>]"
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help_usage "$@"
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#min_args 1 "$@"
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list_vm_service_account(){
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local instance="$1"
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local zone="${2:-}"
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local zone_opt
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if [ -n "$zone" ]; then
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zone_opt="--zone $zone"
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fi
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# want splitting
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# shellcheck disable=SC2086
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gcloud compute instances describe "$instance" $zone_opt --format='table[no-heading](name, serviceAccounts.email.join(","))'
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}
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get_instances_name_zone(){
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gcloud compute instances list --format='table[no-heading](name, zone.basename())'
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}
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if [ $# -gt 0 ]; then
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for arg; do
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list_vm_service_account "$arg"
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done
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else
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while read -r name zone; do
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list_vm_service_account "$name" "$zone"
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done < <(get_instances_name_zone)
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fi
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