spcd/cd.sh
2024-05-03 21:16:03 +02:00

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#! /usr/bin/env sh
# defaults
CD_DEFAULT_DNS="\
9.9.9.9 \
"
CD_DEFAULT_REPO_ALMA="https://repo.almalinux.org/almalinux"
CD_DEFAULT_REPO_DEBIAN="https://deb.debian.org/debian"
CD_PYTHON_MODULES="\
cd \
rwx \
"
# main
cd_main () {
cd_set_environment_variables
cd_set_dns_resolving
cd_set_packages_repositories
cd_set_packages_configuration
cd_set_https_verification_off
cd_update_packages_catalog
cd_install_packages_tools
cd_install_ca_certificates
cd_write_ca_certificates
cd_update_ca_certificates
cd_set_https_verification_on
cd_update_packages_catalog
cd_upgrade_packages
cd_install_git
cd_install_python
cd_clean_packages_cache
cd_install_python_modules ${CD_PYTHON_MODULES}
cd_execute_python_module ${CD_PYTHON_MODULES}
}
# steps
cd_set_environment_variables () {
cd_step "Set environment variables"
#
[ "${CD_CA_1}" ] && CD_CA=true
#
case "$(cd_grep_os ID)" in
"almalinux")
CD_OS_ID="${CD_OS_ALMA}"
CD_OS_VERSION="$(cd_grep_os VERSION_ID)"
;;
"debian")
CD_OS_ID="${CD_OS_DEBIAN}"
CD_OS_VERSION="$(cd_grep_os VERSION_CODENAME)"
;;
esac
#
CD_CA_PACKAGE="ca-certificates"
CD_DNS_FILE="/etc/resolv.conf"
CD_GIT_PACKAGE="git"
#
case "${CD_OS_ID}" in
"${CD_OS_ALMA}")
CD_OS_REPO="${CD_DEFAULT_REPO_ALMA}"
[ "${CD_REPO_ALMA}" ] && CD_OS_REPO="${CD_REPO_ALMA}"
case "${CD_OS_VERSION}" in
"8."*|"9."*) cd_nop ;;
*) cd_error_os "CD_OS_VERSION" ;;
esac
CD_CA_ROOT="/etc/pki/ca-trust/source/anchors"
CD_CMD_CLEAN="dnf clean all"
CD_PYTHON_COMMAND="python3.11"
CD_PYTHON_PACKAGE="python3.11"
CD_PYTHON_PACKAGES="/usr/lib64/python3.11/site-packages"
;;
"${CD_OS_DEBIAN}")
CD_OS_REPO="${CD_DEFAULT_REPO_DEBIAN}"
[ "${CD_REPO_DEBIAN}" ] && CD_OS_REPO="${CD_REPO_DEBIAN}"
case "${CD_OS_VERSION}" in
"bookworm"|"bullseye") cd_nop ;;
*) cd_error_os "CD_OS_VERSION" ;;
esac
CD_CA_ROOT="/usr/local/share/ca-certificates"
CD_CMD_CLEAN="apt-get clean"
CD_PYTHON_COMMAND="python3"
CD_PYTHON_PACKAGE="python3"
CD_PYTHON_PACKAGES="/usr/lib/python3/dist-packages"
;;
*) cd_error_os "CD_OS_ID" ;;
esac
# continuous integration platform
if [ "${GITHUB_ACTIONS}" ] ; then
# forgejo / gitea / github
CD_SERVER_URL="${GITHUB_SERVER_URL}"
CD_PROJECTS_GROUP="$(dirname "${GITHUB_REPOSITORY}")"
CD_PROJECT_NAME="$(basename "${GITHUB_REPOSITORY}")"
CD_PROJECT_BRANCH="${GITHUB_REF_NAME}"
elif [ "${GITLAB_CI}" ] ; then
# gitlab
CD_SERVER_URL="${CI_SERVER_URL}"
CD_PROJECTS_GROUP="$(dirname "${CI_PROJECT_PATH}")"
CD_PROJECT_NAME="$(basename "${CI_PROJECT_PATH}")"
CD_PROJECT_BRANCH="${CI_COMMIT_BRANCH}"
else
# unsupported
cd_error_ci "ø"
fi
#
[ "${CD_SERVER_URL}" ] || cd_error_ci "CD_SERVER_URL"
[ "${CD_PROJECTS_GROUP}" ] || cd_error_ci "CD_PROJECTS_GROUP"
[ "${CD_PROJECT_NAME}" ] || cd_error_ci "CD_PROJECT_NAME"
[ "${CD_PROJECT_BRANCH}" ] || cd_error_ci "CD_PROJECT_BRANCH"
#
CD_PROJECTS_URL="${CD_SERVER_URL}/${CD_PROJECTS_GROUP}"
CD_PROJECT_URL="${CD_PROJECTS_URL}/${CD_PROJECT_NAME}"
#
cd_echo "CD_CA"
cd_split
cd_echo "CD_OS_ID" "CD_OS_VERSION"
cd_split
cd_echo "CD_DNS_FILE"
cd_split
cd_echo "CD_PYTHON_PACKAGE" "CD_PYTHON_PACKAGES" "CD_CA_ROOT"
cd_split
cd_echo "CD_SERVER_URL" \
"CD_PROJECTS_GROUP" "CD_PROJECT_NAME" "CD_PROJECT_BRANCH"
cd_split
cd_echo "CD_PROJECTS_URL" "CD_PROJECT_URL"
}
cd_set_dns_resolving () {
local server
local servers
local text=""
cd_step "Set DNS resolving"
[ "${CD_DNS}" ] && servers="${CD_DNS}" || servers="${CD_DEFAULT_DNS}"
for server in ${servers} ; do
text="${text}nameserver ${server}
"
done
cd_write "${CD_DNS_FILE}" "${text}"
}
cd_set_packages_repositories () {
local expression
local file
cd_step "Set packages repositories"
case "${CD_OS_ID}" in
"${CD_OS_ALMA}")
file="/etc/yum.repos.d/almalinux.repo"
cd_sed "${file}" \
"|^mirrorlist|# mirrorlist|" \
"|${CD_DEFAULT_REPO_ALMA}|${CD_OS_REPO}|" \
"|^# baseurl|baseurl|"
cd_cat "${file}"
;;
"${CD_OS_DEBIAN}")
cd_write "/etc/apt/sources.list" "\
deb ${CD_OS_REPO} ${CD_OS_VERSION} main
deb ${CD_OS_REPO} ${CD_OS_VERSION}-backports main
deb ${CD_OS_REPO} ${CD_OS_VERSION}-updates main
deb ${CD_OS_REPO}-security ${CD_OS_VERSION}-security main
"
;;
esac
}
cd_set_packages_configuration () {
cd_step "Set packages configuration"
case "${CD_OS_ID}" in
"${CD_OS_ALMA}") cd_mkdir "/etc/dnf/dnf.conf.d" ;;
"${CD_OS_DEBIAN}")
export DEBIAN_FRONTEND="noninteractive"
cd_write "/etc/apt/apt.conf.d/apt.conf" "\
Acquire::Check-Valid-Until True;
APT::Get::Show-Versions True;
APT::Install-Recommends False;
APT::Install-Suggests False;
Dir::Etc::SourceParts \"\";
"
;;
esac
}
cd_set_https_verification_off () {
if [ "${CD_CA}" -o "${CD_OS_ID}" = "${CD_OS_DEBIAN}" ] ; then
cd_step "Set HTTPS verification off"
case "${CD_OS_ID}" in
"${CD_OS_ALMA}")
cd_write "/etc/dnf/dnf.conf.d/https.conf" "\
sslverify=False
"
;;
"${CD_OS_DEBIAN}")
cd_write "/etc/apt/apt.conf.d/https" "\
Acquire::https::Verify-Peer False;
"
;;
esac
fi
}
cd_update_packages_catalog () {
cd_step "Update packages catalog"
case "${CD_OS_ID}" in
"${CD_OS_ALMA}") dnf makecache || exit ;;
"${CD_OS_DEBIAN}") apt-get update || exit ;;
esac
}
cd_install_packages_tools () {
cd_step "Install packages tools"
case "${CD_OS_ID}" in
"${CD_OS_ALMA}") cd_nop ;;
"${CD_OS_DEBIAN}") cd_install_package "apt-utils" ;;
esac
}
cd_install_ca_certificates () {
cd_step "Install CA"
cd_install_package "${CD_CA_PACKAGE}"
}
cd_write_ca_certificates () {
local index
local text
cd_step "Copy CA"
cd_mkdir "${CD_CA_ROOT}"
index=1
eval "text=\"\${CD_CA_${index}}\""
while [ "${text}" ] ; do
cd_write "${CD_CA_ROOT}/${index}.crt" "${text}"
index=$((index+1))
eval "text=\"\${CD_CA_${index}}\""
done
}
cd_update_ca_certificates () {
cd_step "Update CA"
case "${CD_OS_ID}" in
"${CD_OS_ALMA}") update-ca-trust || exit ;;
"${CD_OS_DEBIAN}") update-ca-certificates || exit ;;
esac
}
cd_set_https_verification_on () {
if [ "${CD_CA}" -o "${CD_OS_ID}" = "${CD_OS_DEBIAN}" ] ; then
cd_step "Set HTTPS verification on"
case "${CD_OS_ID}" in
"${CD_OS_ALMA}") cd_rm "/etc/dnf/dnf.conf.d/https.conf" ;;
"${CD_OS_DEBIAN}") cd_rm "/etc/apt/apt.conf.d/https" ;;
esac
fi
}
cd_upgrade_packages () {
cd_step "Upgrade packages"
case "${CD_OS_ID}" in
"${CD_OS_ALMA}") dnf upgrade --assumeyes || exit ;;
"${CD_OS_DEBIAN}") apt-get upgrade --assume-yes || exit ;;
esac
}
# agnostic steps
cd_install_git () {
cd_step "Install Git"
cd_install_package "${CD_GIT_PACKAGE}"
}
cd_install_python () {
cd_step "Install Python"
cd_install_package "${CD_PYTHON_PACKAGE}"
}
cd_clean_packages_cache () {
cd_step "Clean packages cache"
${CD_CMD_CLEAN} || exit
}
cd_install_python_modules () {
local path
local repository
local root
local url
cd_step "Install Python modules"
root="$(mktemp --directory)" || exit
echo "${root}"
for repository in "${@}" ; do
cd_split
url="${CD_PROJECTS_URL}/${repository}"
echo -n "\
${url}
"
git clone \
"${url}" "${root}/${repository}" \
|| exit
path="${root}/${repository}/${repository}"
echo -n "\
${path}
${CD_PYTHON_PACKAGES}
"
cp --recursive \
"${path}" "${CD_PYTHON_PACKAGES}" \
|| exit
done
cd_split
cd_rm "${root}"
}
cd_execute_python_module () {
local self
cd_step "Execute Python module"
self="$(realpath "${0}")"
echo -n "\
${self}
${1}
"
"${CD_PYTHON_COMMAND}" -m "${1}" "${CD_STEP}" "${self}"
}
# functions
cd_cat () {
if [ -f "${1}" ] ; then
echo "╭╴$(realpath "${1}")"
cat "${1}" || exit
fi
}
cd_echo () {
local name
if [ "${1}" ] ; then
for name in "${@}" ; do
eval "echo ${name}=\${${name}}"
done
fi
}
cd_error_ci () {
echo "× CI: ${1}"
exit ${CD_ERROR_CI}
}
cd_error_os () {
local variable="${1}"
echo -n "× OS: "
cd_echo "${variable}"
exit ${CD_ERROR_OS}
}
cd_grep_os () {
local variable="${1}"
if [ "${variable}" ] ; then
grep "^${variable}=" "/etc/os-release" \
| sed "s|^${variable}=||" \
| sed "s|^\"\(.*\)\"$|\1|"
fi
}
cd_install_package () {
if [ "${1}" ] ; then
case "${CD_OS_ID}" in
"${CD_OS_DEBIAN}") apt-get install --assume-yes "${1}" || exit ;;
"${CD_OS_ALMA}") dnf install --assumeyes "${1}" || exit ;;
esac
fi
}
cd_mkdir () {
if [ "${1}" ] ; then
echo "${1}"
mkdir --parents "${1}" || exit
fi
}
cd_nop () { true ; }
cd_rm () {
if [ -e "${1}" ] ; then
echo "$(realpath "${1}")"
rm --recursive "${1}" || exit
fi
}
cd_sed () {
local expression
local file
if [ -f "${1}" ] ; then
file="${1}"
shift
for expression in "${@}" ; do
sed --in-place "s${expression}g" "${file}" || exit
done
fi
}
cd_split () {
echo -n "\
╶─╌╌┄┄┈┈
"
}
cd_step () {
if [ "${1}" ] ; then
CD_STEP=$((CD_STEP+1))
echo -n "\
╭─╌╌┄┄┈┈
${CD_STEP} ${1}
╰─╌╌┄┄┈┈
"
fi
}
cd_write () {
local file="${1}"
local text="${2}"
if [ "${file}" ] ; then
echo -n "${text}" > "${file}" || exit
cd_cat "${file}"
fi
}
# constants
CD_ERROR_CI=2
CD_ERROR_OS=1
CD_OS_ALMA="alma"
CD_OS_DEBIAN="debian"
# run
cd_main