61 lines
2.5 KiB
Bash
61 lines
2.5 KiB
Bash
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#!/bin/bash
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# ____ _ ____
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# | _ \ ___ _ __ ___ ___ | |_ ___ ___| _ \ _ _ _ __
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# | |_) / _ \ '_ ` _ \ / _ \| __/ _ \/ __| |_) | | | | '_ \
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# | _ < __/ | | | | | (_) | || __/\__ \ _ <| |_| | | | |
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# |_| \_\___|_| |_| |_|\___/ \__\___||___/_| \_\\__,_|_| |_|
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#
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# Run several scripts on remote servers automatically.
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# Copyright (C) 2022 Ad5001
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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# This library contains docker related utilities
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# Updates a docker container to a newer version of the image by tag,
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# and relaunches the container with a specified script.
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# Signature: (<string container_name>, <string container_tag>, <string run_script>) -> void
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update_docker() {
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container_name=$1
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container_tag=$2
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run_script=$3
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info "Seaching for updates for $container_name..."
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run_as_root "docker pull $container_tag"
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eq=$(run_as_root "docker ps" | awk -F ' {2,}' '$7 == "'$container_name'" { print $2 }')
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if [ -z "$eq" ]; then
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# No published ports, so we check field 6.
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eq=$(run_as_root "docker ps" | awk -F ' {2,}' '$6 == "'$container_name'" { print $2 }')
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fi
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# If the image doesn't have the awaited tag, then
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if [[ $eq != "$container_tag" ]]; then
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# On relance le conteneur.
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info "Restarting container $container_name..."
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run_as_root "bash $run_script"
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# On supprime l'ancienne image pour libérer de l'espace.
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success "$container_name restarted!"
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info "Deleting old image version of $container_name..."
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sudo -p "" -i -S bash -c "docker rmi $eq"
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if [ $? -eq 0 ]; then
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success "Old image of $container_name deleted!"
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else
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error "Old image of $container_name could not be removed."
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fi
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else
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success "$container_name up to date!"
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fi
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echo ""
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}
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