mirror of https://github.com/samply/bridgehead.git
43 lines
1.2 KiB
Bash
Executable File
43 lines
1.2 KiB
Bash
Executable File
#!/bin/bash
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service="bridgehead"
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# Creates logs
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log() {
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echo "$(date +'%Y-%m-%d %T')" "$1:" "$2"
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}
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log "INFO" "Checking for updates of $service"
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# check prerequisites
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prerequisites="git docker docker-compose"
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for prerequisite in $prerequisites; do
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$prerequisite --version 2>&1
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is_available=$?
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if [ $is_available -gt 0 ]; then
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log "ERROR" "Prerequisite not fulfilled - $prerequisite is not available!"
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exit 79
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fi
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done
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# check if updates are available
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old_git_hash="$(git rev-parse --verify HEAD)"
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git fetch 2>&1
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git pull 2>&1
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new_git_hash="$(git rev-parse --verify HEAD)"
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git_updated="false"
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if [ "$old_git_hash" != "$new_git_hash" ]; then
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log "INFO" "Pulled new changes from origin"
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git_updated="true"
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fi
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docker_updated="false"
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for image in $(docker ps --filter "name=$service" --format {{.Image}}); do
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log "INFO" "Checking for Updates of Image: $image"
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if docker pull $image | grep "Downloaded newer image"; then
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log "INFO" "$image updated."
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docker_updated="true"
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fi
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done
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if [ $git_updated = "true" ] || [ $docker_updated = "true" ]; then
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log "INFO" "Due to previous updates now restarting $service@$1"
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systemctl restart "$service@$1.service"
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fi
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log "INFO" "checking updates finished"
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exit 0
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