murano-dashboard/common.inc

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#!/bin/bash
#
# Common functions file
#
DEBUGLVL=2
RUN_DIR=${RUN_DIR:-$(cd $(dirname "$0") && pwd)}
LOGFILE="$RUN_DIR/install.log"
PIPAPPS="pip python-pip pip-python"
PIPCMD=""
PIPARGS=""
TRBL_FILE=""
if [ "$DEBUGLVL" -eq 4 ]; then
set -x
fi
function log {
if [ "$DEBUGLVL" -gt 0 ]; then
chars=$(echo "@$" | wc -c)
case $DEBUGLVL in
1)
echo -e "LOG:>$@"
;;
2)
echo -e "$(date +"%m-%d-%Y %H:%M") LOG:>$@" | tee --append $LOGFILE
;;
3)
echo -e "$(date +"%m-%d-%Y %H:%M") LOG:>$@" >> $LOGFILE
;;
4)
echo -e "$(date +"%m-%d-%Y %H:%M") LOG:>$@" | tee --append $LOGFILE
;;
esac
fi
}
function lowercase(){
echo "$1" | sed "y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/"
}
function get_os(){
KERNEL=$(uname -r)
MACH=$(uname -m)
OS=$(uname)
if [ "${OS}" = "Linux" ] ; then
if [ -f /etc/redhat-release ] ; then
DISTRO_BASED_ON='RedHat'
PACKAGER='yum'
PKG_MGR='rpm'
DIST=$(cat /etc/redhat-release |sed s/\ release.*//)
PSUEDONAME=$(cat /etc/redhat-release | sed s/.*\(// | sed s/\)//)
REV=$(cat /etc/redhat-release | sed s/.*release\ // | sed s/\ .*//)
elif [ -f /etc/SuSE-release ] ; then
DISTRO_BASED_ON='SuSe'
PACKAGER='zypper'
PKG_MGR='rpm'
PSUEDONAME=$(cat /etc/SuSE-release | tr "\n" ' '| sed s/VERSION.*//)
REV=$(cat /etc/SuSE-release | tr "\n" ' ' | sed s/.*=\ //)
elif [ -f /etc/debian_version ] ; then
DISTRO_BASED_ON='Debian'
PACKAGER='apt-get'
PKG_MGR='dpkg'
DIST=$(cat /etc/lsb-release | grep '^DISTRIB_ID' | awk -F= '{ print $2 }')
PSUEDONAME=$(cat /etc/lsb-release | grep '^DISTRIB_CODENAME' | awk -F= '{ print $2 }')
REV=$(cat /etc/lsb-release | grep '^DISTRIB_RELEASE' | awk -F= '{ print $2 }')
fi
if [ -f /etc/UnitedLinux-release ] ; then
DIST="${DIST}[$(cat /etc/UnitedLinux-release | tr "\n" ' ' | sed s/VERSION.*//)]"
fi
OS=$(lowercase $OS)
DISTRO_BASED_ON=$(lowercase $DISTRO_BASED_ON)
readonly OS
readonly DIST
readonly DISTRO_BASED_ON
readonly PSUEDONAME
readonly REV
readonly KERNEL
readonly MACH
#readonly PACKAGER
else
OS=unknown
readonly OS
log "Unsupported OS:\"$OS\", sorry, exiting!"
exit 1
fi
}
function find_or_install()
{
_searching_for=$1
_pkg_mrg_cmd=''
_pkgr_cmd=''
retval=0
case $(lowercase $DISTRO_BASED_ON) in
"debian")
_pkg_mrg_cmd="$PKG_MGR -s $_searching_for"
_pkgr_cmd="$PACKAGER install $_searching_for --yes"
;;
*)
_pkg_mrg_cmd="$PKG_MGR -q $_searching_for"
_pkgr_cmd="$PACKAGER install $_searching_for -y"
;;
esac
$_pkg_mrg_cmd > /dev/null 2>&1
if [ $? -eq 0 ]; then
log "Package \"$_searching_for\" already installed"
retval=2
else
log "Installing \"$_searching_for\"..."
$_pkgr_cmd > /dev/null 2>&1
if [ $? -ne 0 ];then
log "...installation fails, exiting!"
retval=1
else
log "...success"
retval=0
fi
fi
return $retval
}
function is_py_package_installed()
{
retval=0
py_pkg=$1
found_pkg=$($PIPCMD freeze | grep -E "^$py_pkg")
if [ $? -ne 0 ]; then
retval=1
fi
echo $found_pkg
return $retval
}
function genpass()
{
echo $(date | md5sum |head -c${5:-13})
}
function shslash()
{
echo $1 | sed 's/\//\\\//g'
}
function split()
{
# Prefix local names with the function name to try to avoid conflicts
# local split_wordlist
split_wordlist="$1"
shift
read "$@" <<EOF-split-end-of-arguments
${split_wordlist}
EOF-split-end-of-arguments
}
# Returns true if v1 >= v2, false if v1 < v2
function version_ge()
{
# Prefix local names with the function name to try to avoid conflicts
# local version_ge_1 version_ge_2 version_ge_a version_ge_b
# local version_ge_save_ifs
version_ge_v1="$1"
version_ge_v2="$2"
version_ge_save_ifs="$IFS"
while test -n "${version_ge_v1}${version_ge_v2}"; do
IFS="."
split "$version_ge_v1" version_ge_a version_ge_v1
split "$version_ge_v2" version_ge_b version_ge_v2
IFS="$version_ge_save_ifs"
#echo " compare $version_ge_a $version_ge_b"
test "0$version_ge_a" -gt "0$version_ge_b" && return 0 # v1>v2: true
test "0$version_ge_a" -lt "0$version_ge_b" && return 1 # v1<v2:false
done
# version strings are both empty & no differences found - must be equal.
return 0 # v1==v2: true
}
function find_pip()
{
_pipargs=""
pip_min_ver="1.4"
for cmd in $PIPAPPS
do
_cmd=$(which $cmd 2>/dev/null)
if [ $? -eq 0 ];then
break
fi
done
if [ -z "$_cmd" ];then
echo "Can't find \"pip\" in system, please install it first, exiting!"
exit 1
else
_pip_ver=$($_cmd --version | grep -oE "[0-9]\.[0-9]" | head -n1)
if [ -n "$_pip_ver" ]; then
version_ge $_pip_ver $pip_min_ver
if [ $? -ne 0 ]; then
log "Upgrading pip ..."
$_cmd install --upgrade pip==$pip_min_ver
if [ $? -ne 0 ]; then
log "...pip upgrade fails, exiting!"
exit 1
else
log "...success"
sleep 2
for cmd in $PIPAPPS
do
_cmd=$(which $cmd 2>/dev/null)
if [ $? -eq 0 ];then
break
fi
done
fi
fi
_pip_ver=$($_cmd --version | grep -oE "[0-9]\.[0-9]" | head -n1)
version_ge $_pip_ver "1.5"
if [ $? -eq 0 ]; then
log "For future use, sorry, use pip v$pip_min_ver, exiting!"
exit 1
##_pipargs="--allow-unverified --allow-external"
#_pipargs="--allow-all-external"
#mk_dir "/root/.pip"
#_pipcfg="/root/.pip/pip.conf"
#if [ ! -f "$_pipcfg" ]; then
# touch $_pipcfg
#fi
#iniset 'install' 'allow-all-external' 'true' "$_pipcfg"
#iniset 'install' 'allow-all-unverified' 'true' "$_pipcfg"
#log "Setuptools upgrade required..."
#$cmd install setuptools --no-use-wheel --upgrade >> $LOGFILE 2>&1
#if [ $? -ne 0 ]; then
# log "...upgrade fails, exiting"
# exit 1
#else
# log "...success"
#fi
fi
log "Found pip version - $_pip_ver"
fi
PIPARGS=$_pipargs
PIPCMD=$_cmd
fi
}
function add_daemon_credentials()
{
retval=0
daemonuser=${1:-murano}
daemongroup=${2:-murano}
daemonhomedir=${3:-/home/$daemonuser}
getent group $daemongroup > /dev/null
if [ $? -ne 0 ]; then
log "Creating group \"$daemongroup\"..."
groupadd -r $daemongroup
if [ $? -eq 0 ]; then
log "...success"
else
log "Can't create \"$daemongroup\", exiting!"
retval=1
exit 1
fi
else
log "Group \"$daemongroup\" exists"
fi
getent passwd $daemonuser > /dev/null
if [ $? -ne 0 ]; then
log "Creating user \"$daemonuser\"..."
useradd -r -g $daemongroup -G $daemongroup -d $daemonhomedir -s $(which nologin) -c "Murano Daemons" $daemonuser
if [ $? -eq 0 ]; then
log "...success"
else
log "Can't create \"$daemonuser\", exiting!"
retval=1
exit 1
fi
else
log "User \"$daemonuser\" exists"
fi
return $retval
}
function remove_daemon_credentials()
{
retval=0
daemonuser=${1:-murano}
daemongroup=${2:-murano}
daemonhomedir=${3:-/home/$daemonuser}
getent passwd $daemonuser > /dev/null
if [ $? -eq 0 ]; then
log "Deleting user \"$daemonuser\"..."
userdel -f $daemonuser
if [ $? -eq 0 ]; then
if [ -d "$daemonhomedir" ]; then
rm -rf $daemonhomedir
fi
log "...success"
else
log "Can't delete \"$daemonuser\", exiting!"
retval=1
exit 1
fi
fi
getent group $daemongroup > /dev/null
if [ $? -eq 0 ]; then
log "Deleting group \"$daemongroup\"..."
groupdel $daemongroup
if [ $? -eq 0 ]; then
log "...success"
else
log "Can't delete \"$daemongroup\", exiting!"
retval=1
exit 1
fi
fi
return $retval
}
function iniset()
{
local section=$1
local option=$2
local value=$3
local file=$4
local line
if [ -z "$section" ] ; then
# No section name specified
sed -i -e "s/^\($option[ \t]*=[ \t]*\).*$/\1$value/" "$file"
else
# Check if section already exists
if ! grep -q "^\[$section\]" "$file" ; then
# Add section at the end
echo -e "\n[$section]" >>"$file"
fi
# Check if parameter in the section exists
line=$(sed -ne "/^\[$section\]/,/^\[.*\]/ { /^$option[ \t]*=/ p; }" "$file")
if [ -z "$line" ] ; then
# Add parameter if it is not exists
sed -i -e "/^\[$section\]/ a\\
$option = $value
" "$file"
else
# Replace existing parameter
sed -i -e "/^\[$section\]/,/^\[.*\]/ s|^\($option[ \t]*=[ \t]*\).*$|\1$value|" "$file"
fi
fi
}
function mk_dir()
{
retval=0
path_to_check=$1
if [ -d "$path_to_check" ]; then
log "Path \"$path_to_check\" already exists."
elif [ -f "$path_to_check" ]; then
log "Path \"path_to_check\" is an existing file, exiting!"
exit 1
else
mkdir -p "$path_to_check"
if [ $? -ne 0 ]; then
log "Can't create \"$path_to_check\", exiting!"
retval=1
exit 1
fi
fi
if [ $# -eq 3 ]; then
owner_user=$2
owner_group=$3
chown -R $owner_user:$owner_group $path_to_check
if [ $? -ne 0 ]; then
log "Can't set ownership to \"$owner_user:$owner_group\" for \"$path_to_check\", exiting!"
retval=1
exit 1
fi
fi
return $retval
}
function get_service_exec_path()
{
retval=0
if [ -z "$SERVICE_EXEC_PATH" ]; then
SERVICE_EXEC_PATH=$(which $DAEMON_NAME)
if [ $? -ne 0 ]; then
log "Can't find \"$DAEMON_NAME\", please install the \"$SERVICE_SRV_NAME\" by running \"$(basename "$0") install\" or set variable SERVICE_EXEC_PATH=/path/to/daemon before running setup script, exiting!"
retval=1
fi
else
if [ ! -x "$SERVICE_EXEC_PATH" ]; then
log "\"$SERVICE_EXEC_PATH\" in not executable, please install the \"$DAEMON_NAME\" or set variable SERVICE_EXEC_PATH=/path/to/daemon before running setup script, exiting!"
retval=1
fi
fi
return $retval
}