rocky-linux/rocky-tools
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Merge pull request #9 from carterpeel/main

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Added colors & redid readme.md
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Louis Abel 2021-05-04 12:26:40 -07:00 committed by GitHub
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28
README.md
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@ -4,8 +4,28 @@ Rocky Tools
Various scripts and tools that we find useful, whether we use them or they are
made for public consumption. For example, conversion scripts or otherwise.
## [Centos2Rocky] -- Conversion Script
Running this script will convert an existing CentOS 8 system to Rocky Linux 8.
### Usage
```bash
./centos2rocky.sh -h
├── -h # --> Displays this help
├── -r # --> Converts to Rocky
├── -V # --> Verifies switch
└── -R # --> Reinstalls all packages
[!! USE WITH CAUTION !!]
```
.
├── centos2rocky.sh # Converts a CentOS 8.3 system to Rocky Linux 8.3
└── README.md
```
### Debugging
The `centos2rocky` script pipes everything shown on `stdout` to `/var/log/centos2rocky.log`.
If you run in to issues executing this script, please submit an issue [here](https://github.com/rocky-linux/rocky-tools/issues).
Make sure to [include the output log](https://pastebin.com/), and remove any sensitive information. (if any)
Feel free to create a pull request if you think you've got the fix.

55
centos2rocky.sh
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@ -7,21 +7,25 @@
(
# Pass everything to a subshell so the output can be piped to /var/log/centos2rocky.log
errcolor="\033[3;35m"
nocolor="\033[0m"
blue="\033[1;35m"
set -e
unset CDPATH
if [[ "$(id -u)" -ne 0 ]]; then
echo "You must run this script as root."
echo "Either use sudo or 'su -c ${0}'"
echo -e "$errcolor""\nYou must run this script as root.$nocolor"
echo -e "$errcolor""Either use sudo or 'su -c ${0}'""$nocolor\n"
fi
if [[ "$(wget 2>/dev/null || echo $?)" == 127 ]]; then
echo "Wget is not installed! Installing it..."
echo -e "$blue""Wget is not installed! Installing it...""$nocolor"
dnf -y install wget
fi
if [[ "$(curl 2>/dev/null || echo $?)" == 127 ]]; then
echo "Curl is not installed! Installing it..."
echo -e "$blue""Curl is not installed! Installing it...""$nocolor"
dnf -y install curl libcurl
fi
@ -71,12 +75,12 @@ exit_message() {
} >&2
final_message() {
echo "An error occurred while we were attempting to convert your system to Rocky Linux. Your system may be unstable. Script will now exit to prevent possible damage."
echo -e "$errcolor""An error occurred while we were attempting to convert your system to Rocky Linux. Your system may be unstable. Script will now exit to prevent possible damage.""$nocolor"
logmessage
}
logmessage(){
echo "A log of this installation can be found at /var/log/centos2rocky.log"
echo -e "$blue""A log of this installation can be found at /var/log/centos2rocky.log""$nocolor"
}
## The actual work
@ -93,9 +97,9 @@ bin_check() {
generate_rpm_info() {
mkdir /root/convert
echo "Creating a list of RPMs installed: $1"
echo -e "$blue""Creating a list of RPMs installed: $1""$nocolor"
rpm -qa --qf "%{NAME}|%{VERSION}|%{RELEASE}|%{INSTALLTIME}|%{VENDOR}|%{BUILDTIME}|%{BUILDHOST}|%{SOURCERPM}|%{LICENSE}|%{PACKAGER}\n" | sort > "${convert_info_dir}/$(hostname)-rpm-list-$1.log"
echo "Verifying RPMs installed against RPM database: $1"
echo -e "$blue""Verifying RPMs installed against RPM database: $1""$nocolor\n"
rpm -Va | sort -k3 > "${convert_info_dir}/$(hostname)-rpm-list-verified-$1.log"
}
@ -104,7 +108,7 @@ package_swaps() {
pushd /root/release
for x in "${release_to_install[@]}"; do
wget -q "${current_url}/${x}" || { echo "failed to download ${x}" && logmessage ; exit 20; }
wget -q "${current_url}/${x}" || { echo -e "$errcolor""failed to download ${x}""$nocolor\n" && logmessage ; exit 20; }
done
# Remove packages we need to swap
@ -114,10 +118,10 @@ package_swaps() {
rpm -ihv "${release_to_install[@]}"
# Distrosync if the above succeeded
if [ $? -eq 0 ]; then
echo "Removing dnf cache"
if [[ $? -eq 0 ]]; then
echo -e "$blue""Removing dnf cache""$nocolor"
rm -rf /var/cache/{yum,dnf}
echo "Ensuring repos are enabled before the package swap"
echo -e "$blue""Ensuring repos are enabled before the package swap""$nocolor"
dnf config-manager --set-enabled ${list_enabled[@]} || { echo "Repo name missing?" ; exit 25; }
dnf distro-sync -y
else
@ -133,7 +137,7 @@ sig_swaps() {
}
module_check() {
echo "Finding our modules that are enabled"
echo -e "$blue""Finding our modules that are enabled""$nocolor"
for module in "${enabled_modules[@]}"; do
case ${module} in
container-tools|go-toolset|jmc|llvm-toolset|rust-toolset|virt)
@ -143,15 +147,15 @@ module_check() {
;;
esac
done
if [ ${#unknown_modules[@]} -gt 0 ]; then
if [[ ${#unknown_modules[@]} -gt 0 ]]; then
for x in "${unknown_modules[@]}"; do
echo "${x}"
done
echo "There are some modules that are unsure of how to handle. This normally shouldn't happen. Do you want to resolve this yourself (Yes) or continue (No)?"
echo -e "$blue""There are some modules that are unsure of how to handle. This normally shouldn't happen. Do you want to resolve this yourself (Yes) or continue (No)?""$nocolor"
select yn in "Yes" "No"; do
case $yn in
Yes)
echo "Unsure how to switch modules, so we are leaving."
echo -e "$errcolor""Unsure how to switch modules, so we are leaving.""$nocolor"
logmessage
exit 1
;;
@ -172,7 +176,7 @@ module_fix() {
dnf module install "${module}" -y
;;
*)
echo "Unsure how to deal with the module presented."
echo -e "$errcolor""Unsure how to deal with the module presented.""$nocolor"
logmessage
;;
esac
@ -199,18 +203,18 @@ while getopts "hrVR" option; do
reinstall_all_rpms=true
;;
*)
echo "Invalid switch."
echo -e "$errcolor""Invalid switch.""$nocolor"
usage
;;
esac
done
echo "Ensuring rpm, yum, and wget are here."
echo -e "$blue""Ensuring rpm, yum, and wget are here.""$nocolor"
for pkg in rpm yum wget curl; do
bin_check "${pkg}"
done
echo "Ensuring your version of CentOS is supported"
echo -e "$blue""Ensuring your version of CentOS is supported""$nocolor"
if ! old_release=$(rpm -q --whatprovides /etc/redhat-release); then
exit_message "You are not running a supported distribution."
logmessage
@ -252,7 +256,7 @@ module_fix
# Warning, this is potentially dangerous.
if "${reinstall_all_rpms}"; then
echo "!! THIS MAY CAUSE ISSUES WITH YOUR SYSTEM !!"
echo -e "$errcolor""!! THIS MAY CAUSE ISSUES WITH YOUR SYSTEM !!""$nocolor"
rpm_list=("$(rpm -qa --qf "%{NAME}-%{VERSION}-%{RELEASE} %{VENDOR}\n" | grep CentOS | awk '{print $1}')")
if [[ -n "${rpm_list[*]}" ]]; then
echo "Reinstalling rpms: ${rpm_list[*]}"
@ -260,18 +264,21 @@ if "${reinstall_all_rpms}"; then
fi
non_rocky_rpm=("$(rpm -qa --qf "%{NAME}-%{VERSION}-%{RELEASE}|%{VENDOR}|%{PACKAGER}\n" |grep -iv Rocky)")
if [[ -n ${non_rocky_rpm[*]} ]]; then
echo "Non-Rocky packages are installed. This is generally not an issue. If you see centos packages, you may need to address them and file a bug report at https://bugs.rockylinux.org"
echo -e "$blue""Non-Rocky packages are installed. This is generally not an issue. If you see centos packages, you may need to address them and file a bug report at https://bugs.rockylinux.org""$nocolor"
printf '\t%s\n' "${non_rocky_rpm[@]}"
fi
fi
if "${verify_all_rpms}"; then
generate_rpm_info finish
echo "You may review the following files:"
echo -e "$blue""You may review the following files:""$nocolor"
find /root/convert -type f -name "$(hostname)-rpms-*.log"
fi
echo "Done, please reboot your system."
echo -e "\n \n"
cat /etc/issue | awk 'NR<=15'
echo -e "$blue\n""Done, please reboot your system.""$nocolor"
logmessage
) | tee /var/log/centos2rocky.log