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🏗 Make the dokku-update command a wee bit safer #1

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Merged
merged 6 commits into from
Mar 22, 2021
Merged

🏗 Make the dokku-update command a wee bit safer #1

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55b59f7
🏗 Make the dokku-update command a wee bit safer
Cellane Mar 2, 2021
ce53795
♻️ Refactor logic into separate methods
Cellane Mar 3, 2021
a863652
♻️ Continue refactoring
Cellane Mar 3, 2021
ba87b71
🐛 Add more package dependencies
Cellane Mar 21, 2021
7fbcbd2
✨ Also support --version as an argument
Cellane Mar 21, 2021
5fb7366
✨ Add RHEL/CentOS/OpenSUSE support
Cellane Mar 21, 2021
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87 changes: 72 additions & 15 deletions dokku-update
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Original file line number Diff line number Diff line change
Expand Up @@ -56,35 +56,57 @@ dokku-update-plugin() {
fi
}

main() {
run-update() {
declare PROGRAM_NAME="$(basename "$0")"
declare COMMAND="$1"
local DOKKU_DISTRO PLUGIN_NAME VERSION
declare PARAMETER="$2"
local DOKKU_DISTRO PLUGIN_NAME VERSION SYSTEM_UPDATES

if [[ -f "/etc/os-release" ]]; then
# shellcheck disable=SC1091
DOKKU_DISTRO=$(. /etc/os-release && echo "$ID")
fi

if [[ "$COMMAND" == "version" ]] || [[ "$COMMAND" == "-v" ]]; then
VERSION=UNRELEASED
if [[ -f "/var/lib/dokku-update/VERSION" ]]; then
VERSION="$(cat /var/lib/dokku-update/VERSION)"
fi
echo "dokku-update ${VERSION}"
exit 0
if [[ "$PARAMETER" == "-s" ]]; then
dokku-log-info "Running system updates"
SYSTEM_UPDATES=true
else
dokku-log-info "Updating Dokku"
SYSTEM_UPDATES=false
fi

dokku-log-info "Running system updates"
case "$DOKKU_DISTRO" in
arch)
yay -Syyua
if [ "$SYSTEM_UPDATES" == true ]; then
yay -Syyua
else
yay -Syu docker-image-labeler dokku nginx plugn sshcommand
fi
;;
debian | ubuntu)
apt-get update -qq >/dev/null
apt-get -qq -y dist-upgrade

if [ "$SYSTEM_UPDATES" == true ]; then
apt-get -qq -y dist-upgrade
else
apt-get -qq -y install --only-upgrade docker-image-labeler dokku dokku-event-listener dokku-update gliderlabs-sigil herokuish netrc nginx plugn procfile-util sshcommand
fi
;;
centos | opensuse | rhel)
dokku-log-warn "Updating this operating system is not supported"
centos | rhel)
if [ "$SYSTEM_UPDATES" == true ]; then
yum -y update
else
yum -y update bind-utils cpio curl dos2unix docker-image-labeler git gliderlabs-sigil jq man-db nc netrc nginx plugn procfile-util sshcommand sudo unzip
fi
;;
opensuse)
zypper refresh

if [ "$SYSTEM_UPDATES" == true ]; then
zypper -n update
else
zypper -n update bind-utils cpio curl dos2unix docker-image-labeler git gliderlabs-sigil jq man-db nc netrc nginx plugn procfile-util sshcommand sudo unzip
fi
;;
*)
dokku-log-warn "Updating this operating system is not supported"
Expand All @@ -109,4 +131,39 @@ main() {
dokku cleanup --global
}

main "$@"
print-help() {
echo "Updates Dokku & its dependencies, all enabled plugins and rebuilds all Dokku apps. Optionally installs all other system updates."
echo
echo "Usage: $PROGRAM_NAME [run|version]"
echo " Options:"
echo " version Prints version of $PROGRAM_NAME"
echo " run Triggers the update process; when invoked with optional -s argument, all system updates will be installed"
}

print-version() {
local VERSION

VERSION=UNRELEASED
if [[ -f "/var/lib/dokku-update/VERSION" ]]; then
VERSION="$(cat /var/lib/dokku-update/VERSION)"
fi
echo "dokku-update ${VERSION}"
}

main() {
declare COMMAND="$1"

case "${COMMAND}" in
run)
run-update "$@"
;;
--version | version | -v)
print-version
;;
*)
print-help
;;
esac
}

main "$@"