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#!/usr/bin/env bash
# Package tree used for installing netdata on distribution:
# << CentOS: [7] [8] >>
set -e
declare -a package_tree=(
gcc
gcc-c++
make
autoconf
autoconf-archive
automake
libatomic
libtool
pkgconfig
cmake
nmap-ncat
zlib-devel
libuuid-devel
libmnl-devel
json-c-devel
libuv-devel
lz4-devel
openssl-devel
python3
elfutils-libelf-devel
git
tar
curl
gzip
)
os_version() {
if [[ -f /etc/os-release ]]; then
# shellcheck disable=SC2002
cat /etc/os-release | grep VERSION_ID | cut -d'=' -f2 | cut -d'"' -f2
else
echo "Error: Cannot determine OS version!"
exit 1
fi
}
prompt() {
if [[ "${NON_INTERACTIVE}" == "1" ]]; then
echo >&2 "Running in non-interactive mode, assuming yes (y)"
echo >&2 " > Would have prompted for ${1} ..."
return 0
fi
while true; do
read -r -p "${1} [y/n] " yn
case $yn in
[Yy]*) return 0 ;;
[Nn]*) return 1 ;;
*) echo >&2 "Please answer with yes (y) or no (n)." ;;
esac
done
}
usage() {
cat << EOF
OPTIONS:
[--dont-wait] [--non-interactive] [ ]
EOF
}
check_flags() {
while [ -n "${1}" ]; do
case "${1}" in
dont-wait | --dont-wait | -n)
DONT_WAIT=1
;;
non-interactive | --non-interactive | -y)
NON_INTERACTIVE=1
;;
help | -h | --help)
usage
exit 1
;;
*)
echo >&2 "ERROR: Cannot understand option '${1}'"
echo >&2
usage
exit 1
;;
esac
shift
done
if [[ "${DONT_WAIT}" == "0" ]] && [[ "${NON_INTERACTIVE}" == "0" ]]; then
read -r -p "Press ENTER to run it > " || exit 1
fi
}
validate_tree_centos() {
local opts=
export local package_manager=
if [[ "${NON_INTERACTIVE}" == "1" ]]; then
echo >&2 "Running in non-interactive mode"
opts="-y"
fi
echo >&2 " > CentOS Version: $(os_version) ..."
if [[ $(os_version) =~ ^9(\..*)?$ ]]; then
package_manager=dnf
echo >&2 " > Checking for config-manager ..."
if ! dnf config-manager --help &> /dev/null; then
if prompt "config-manager not found, shall I install it?"; then
dnf ${opts} install 'dnf-command(config-manager)'
fi
fi
echo >&2 " > Checking for CRB ..."
if ! dnf repolist | grep CRB; then
if prompt "CRB not found, shall I install it?"; then
dnf ${opts} config-manager --set-enabled crb
fi
fi
elif [[ $(os_version) =~ ^8(\..*)?$ ]]; then
package_manager=dnf
echo >&2 " > Checking for config-manager ..."
if ! dnf config-manager --help &> /dev/null; then
if prompt "config-manager not found, shall I install it?"; then
dnf ${opts} install 'dnf-command(config-manager)'
fi
fi
echo >&2 " > Checking for PowerTools ..."
if ! dnf repolist | grep PowerTools; then
if prompt "PowerTools not found, shall I install it?"; then
dnf ${opts} config-manager --set-enabled powertools || enable_powertools_repo
fi
fi
echo >&2 " > Updating libarchive ..."
dnf ${opts} install libarchive
elif [[ $(os_version) =~ ^7(\..*)?$ ]]; then
package_manager=yum
echo >&2 " > Checking for EPEL ..."
if ! rpm -qa | grep epel-release > /dev/null; then
if prompt "EPEL not found, shall I install it?"; then
yum ${opts} install epel-release
fi
fi
yum makecache
fi
}
enable_powertools_repo() {
if ! dnf repolist | grep -q powertools; then
cat > /etc/yum.repos.d/powertools.repo <<-EOF
[powertools]
name=CentOS Linux \$releasever - PowerTools
mirrorlist=http://mirrorlist.centos.org/?release=\$releasever&arch=\$basearch&repo=PowerTools&infra=\$infra
#baseurl=http://mirror.centos.org/\$contentdir/\$releasever/PowerTools/\$basearch/os/
gpgcheck=1
enabled=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficial
EOF
else
echo "Something went wrong!"
exit 1
fi
}
# shellcheck disable=SC2068
check_flags ${@}
validate_tree_centos
packages_to_install=
for package in "${package_tree[@]}"; do
if rpm -q "$package" &> /dev/null; then
echo "Package '${package}' is installed"
else
echo "Package '$package' is NOT installed"
packages_to_install="$packages_to_install $package"
fi
done
if [[ -z $packages_to_install ]]; then
echo "All required packages are already installed. Skipping .."
else
echo "packages_to_install:" "${packages_to_install[@]}"
opts=
if [[ "${NON_INTERACTIVE}" == "1" ]]; then
echo >&2 "Running in non-interactive mode"
opts="-y"
fi
# shellcheck disable=SC2068
${package_manager} install ${opts} ${packages_to_install[@]}
fi
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