flush_host_cache.sh, flush_query_cache.sh: support parallel installations.

flush_host_cache.sh

@@ -3,6 +3,8 @@
 working_dir="$(dirname $(realpath $0))"
 conf_file="${working_dir}/conf/mysql_credetials.conf"
 
+tmp_log_file="$(mktemp)"
+
 #LOGGING=true
 LOGGING=false
 
@@ -11,6 +13,27 @@ LOGGING=false
 # --- Some functions
 # -------------
 
+clean_up() {
+
+   # Perform program exit housekeeping
+   rm -f $tmp_log_file
+   blank_line
+   exit $1
+}
+
+
+echononl(){
+   if $terminal ; then
+      echo X\\c > /tmp/shprompt$$
+      if [ `wc -c /tmp/shprompt$$ | awk '{print $1}'` -eq 1 ]; then
+         echo -e -n "$*\\c" 1>&2
+      else
+         echo -e -n "$*" 1>&2
+      fi
+      rm /tmp/shprompt$$
+   fi
+}
+
 fatal(){
    echo ""
    if $terminal ; then
@@ -34,6 +57,65 @@ fatal(){
    clean_up 1
 }
 
+error(){
+   echo ""
+   if $terminal ; then
+      echo -e "   [ \033[31m\033[1mError\033[m ]: $*"
+   else
+      echo "   [ Error ]: $*"
+   fi
+   echo ""
+}
+
+warn (){
+   if $terminal ; then
+      echo ""
+      echo -e "   [ \033[33m\033[1mWarning\033[m ]: $*"
+      echo ""
+   else
+      echo "   [ Warning ]: $*"
+   fi
+}
+
+info (){
+   if $terminal ; then
+      echo ""
+      echo -e "   [ \033[32m\033[1mInfo\033[m ]: $*"
+      echo ""
+   else
+      echo "   [ Info ]: $*"
+   fi
+}
+
+echo_ok() {
+   if $terminal ; then
+      echo -e "\033[80G[ \033[32mok\033[m ]"
+   fi
+}
+echo_failed(){
+   if $terminal ; then
+      echo -e "\033[80G[ \033[1;31mfailed\033[m ]"
+   fi
+}
+echo_skipped() {
+   if $terminal ; then
+      echo -e "\033[80G[ \033[37mskipped\033[m ]"
+   fi
+}
+
+trim() {
+    local var="$*"
+    var="${var#"${var%%[![:space:]]*}"}"   # remove leading whitespace characters
+    var="${var%"${var##*[![:space:]]}"}"   # remove trailing whitespace characters
+    echo -n "$var"
+}
+
+blank_line() {
+   if $terminal ; then
+      echo ""
+   fi
+}
+
 detect_mysql_version () {
 
    _MYSQLD_VERSION="$(mysqld -V 2>/dev/null)"
@@ -87,16 +169,23 @@ fi
 #-----------------------------
 #---------------------------------------
 
+blank_line
+echononl "   Loading configuration settings from $(basename ${conf_file}).."
 if [[ -f "$conf_file" ]]; then
-   source "$conf_file"
+   source "$conf_file" > $tmp_log_file 2>&1
+   if [[ $? -eq 0 ]]; then
+      echo_ok
+   else
+      echo_failed
+      fatal "$(cat $tmp_log_file)"
+   fi
+else
+   echo_skipped
+   if $terminal ;then
+      warn "No Configuration File found. Loading defaults.."
+   fi
 fi
 
-#[[ -z "$mysql_credential_args" ]] && mysql_credential_args="--defaults-file=/usr/local/mysql/sys-maint.cnf"
-
-
-if $LOGGING ;then
-   echo -e "\n[ `date` ] Going to flush host cache.."
-fi
 
 if [[ -z "$mysql_credential_args" ]]; then
 	
@@ -135,14 +224,30 @@ if [[ -z "$mysql_credential_args" ]]; then
 fi
 
 
-# Flush host cache
+if [[ ${#mysql_credential_args_arr[@]} -eq 0 ]]; then
-#
+   mysql_credential_args_arr[0]="default:$mysql_credential_args"
-$mysqladmin $mysql_credential_args flush-hosts
-
-[[ $? -gt 0 ]] && echo -e "\t[ Error ]: Flushing host cache failed !!"
-
-if $LOGGING ;then
-    echo -e "\n[ `date` ] End flushing host cache"
 fi
 
-exit 0
+blank_line
+declare -i index_arr=0
+while [[ $index_arr -lt ${#mysql_credential_args_arr[@]} ]] ; do
+
+   IFS=':' read -a _val_arr <<< "${mysql_credential_args_arr[$index_arr]}"
+   mysql_version="${_val_arr[0]}"
+   mysql_credential_args="${_val_arr[1]}"
+
+   echononl "   [ ${mysql_version} ]: Flush host cache.."
+   $mysqladmin $mysql_credential_args flush-hosts
+   if [[ $? -eq 0 ]]; then
+      echo_ok
+   else
+      echo_failed
+      error "$(cat $tmp_log_file)"
+   fi
+
+   (( index_arr++ ))
+
+done
+
+
+clean_up 0

flush_query_cache.sh

@@ -3,8 +3,151 @@
 working_dir="$(dirname $(realpath $0))"
 conf_file="${working_dir}/conf/mysql_credetials.conf"
 
-#LOGGING=true
+tmp_log_file="$(mktemp)"
-LOGGING=false
+
+
+# -------------
+# --- Some functions
+# -------------
+
+clean_up() {
+
+   # Perform program exit housekeeping
+   rm -f $tmp_log_file
+   blank_line
+   exit $1
+}
+
+
+echononl(){
+   if $terminal ; then
+      echo X\\c > /tmp/shprompt$$
+      if [ `wc -c /tmp/shprompt$$ | awk '{print $1}'` -eq 1 ]; then
+         echo -e -n "$*\\c" 1>&2
+      else
+         echo -e -n "$*" 1>&2
+      fi
+      rm /tmp/shprompt$$
+   fi
+}
+
+fatal(){
+   echo ""
+   if $terminal ; then
+      if [[ -n "$*" ]] ; then
+         echo -e "   [ \033[31m\033[1mFatal\033[m ]: $*"
+         echo ""
+         echo -e "              \033[31m\033[1mScript will be interrupted.\033[m\033[m"
+      else
+         echo -e "   \033[31m\033[1mFatal error\033[m: \033[1mScript will be interrupted.\033[m"
+      fi
+   else
+      if [[ -n "$*" ]] ; then
+         echo "   [ Fatal ]: $*"
+         echo ""
+         echo "              Script was terminated.."
+      else
+         echo "   Fatal error: Script was terminated.."
+      fi
+   fi
+   echo ""
+   clean_up 1
+}
+
+
+error(){
+   echo ""
+   if $terminal ; then
+      echo -e "   [ \033[31m\033[1mError\033[m ]: $*"
+   else
+      echo "   [ Error ]: $*"
+   fi
+   echo ""
+}
+
+warn (){
+   if $terminal ; then
+      echo ""
+      echo -e "   [ \033[33m\033[1mWarning\033[m ]: $*"
+      echo ""
+   else
+      echo "   [ Warning ]: $*"
+   fi
+}
+
+info (){
+   if $terminal ; then
+      echo ""
+      echo -e "   [ \033[32m\033[1mInfo\033[m ]: $*"
+      echo ""
+   else
+      echo "   [ Info ]: $*"
+   fi
+}
+
+echo_ok() {
+   if $terminal ; then
+      echo -e "\033[80G[ \033[32mok\033[m ]"
+   fi
+}
+echo_failed(){
+   if $terminal ; then
+      echo -e "\033[80G[ \033[1;31mfailed\033[m ]"
+   fi
+}
+echo_skipped() {
+   if $terminal ; then
+      echo -e "\033[80G[ \033[37mskipped\033[m ]"
+   fi
+}
+
+trim() {
+    local var="$*"
+    var="${var#"${var%%[![:space:]]*}"}"   # remove leading whitespace characters
+    var="${var%"${var##*[![:space:]]}"}"   # remove trailing whitespace characters
+    echo -n "$var"
+}
+
+blank_line() {
+   if $terminal ; then
+      echo ""
+   fi
+}
+
+detect_mysql_version () {
+
+   _MYSQLD_VERSION="$(mysqld -V 2>/dev/null)"
+
+   if [[ -z "$_MYSQLD_VERSION" ]]; then
+      fatal "No installed MySQL server or distribution found!"
+   elif [[ "$_MYSQLD_VERSION" =~ MariaDB ]]; then
+      MYSQL_CUR_DISTRIBUTION="MariaDB"
+   elif [[ "$(basename "$(realpath "/usr/local/mysql")")" =~ percona- ]]; then
+      MYSQL_CUR_DISTRIBUTION="Percona"
+   elif [[ "$(basename "$(realpath "/usr/local/mysql")")" =~ mysql- ]]; then
+      MYSQL_CUR_DISTRIBUTION="MySQL"
+   fi
+
+   MYSQL_VERSION="$(echo $_MYSQLD_VERSION | grep -o -E "[0-9]+\.[0-9]+\.[0-9]+(-[0-9]+)?" | head -n 1)"
+   MYSQL_MAJOR_VERSION="$(echo $MYSQL_VERSION | cut -d '.' -f1)"
+   MYSQL_MINOR_VERSION="$(echo $MYSQL_VERSION | cut -d '.' -f2)"
+   MYSQL_PATCH_LEVEL="$(echo $MYSQL_VERSION | cut -d '.' -f3)"
+   MYSQL_MAIN_VERSION="$(echo $MYSQL_VERSION | cut -d '.' -f1,2)"
+
+}
+
+
+
+
+# - Is this script running on terminal ?
+# -
+if [[ -t 1 ]] ; then
+   terminal=true
+else
+   terminal=false
+fi
+
+
 
 mysql=`realpath $(which mysql) 2>/dev/null`
 if [ -z "$mysql" ]; then
@@ -18,41 +161,6 @@ if [ -z "$mysql" ]; then
    fi
 fi
 
-# Get current version
-#
-_MYSQLD_VERSION="$(mysqld -V 2>/dev/null)"
-CURRENT_VERSION="$(echo $_MYSQLD_VERSION | grep -o -E "[0-9]+\.[0-9]+\.[0-9]+(-[0-9]+)?" | head -n 1)"
-
-MYSQL_MAIN_VERSION=`echo $CURRENT_VERSION | cut -d '.' -f1,2`
-MYSQL_MAJOR_VERSION=`echo $CURRENT_VERSION | cut -d '.' -f1`
-MYSQL_MINOR_VERSION=`echo $CURRENT_VERSION | cut -d '.' -f2`
-MYSQL_PATCH_LEVEL=`echo $CURRENT_VERSION | cut -d '.' -f3`
-
-if [[ -z "$_MYSQLD_VERSION" ]]; then
-   echo ""
-   echo -e "\t[ Error ]: No installed MySQL server or distribution found!"
-   echo ""
-elif [[ "$_MYSQLD_VERSION" =~ MariaDB ]]; then
-	MYSQL_CUR_DISTRIBUTION="MariaDB"
-elif [[ "$(basename "$(realpath "/usr/local/mysql")")" =~ percona- ]]; then
-	MYSQL_CUR_DISTRIBUTION="Percona"
-elif [[ "$(basename "$(realpath "/usr/local/mysql")")" =~ mysql- ]]; then
-	MYSQL_CUR_DISTRIBUTION="MySQL"
-fi
-
-if [[ "$MYSQL_CUR_DISTRIBUTION" = "MySQL" ]]; then
-	if [[ "$MYSQL_MAJOR_VERSION" -gt 8 ]] \
-		||  ( [[ "$MYSQL_MAJOR_VERSION" -eq 8 ]] && [[ "$MYSQL_MINOR_VERSION" -gt 0 ]] ) \
-		||  ( [[ "$MYSQL_MAJOR_VERSION" -eq 8 ]] && [[ "$MYSQL_MINOR_VERSION" -eq 0 ]] \
-				&& [[ $MYSQL_PATCH_LEVEL -ge 3 ]] ); then
-		echo ""
-		echo -e "\t[ Error ]: Query cache is no longer supported since (MySQL 8.0.3)"
-		echo ""
-		exit
-	fi
-fi
-
-
 
 #---------------------------------------
 #-----------------------------
@@ -60,16 +168,35 @@ fi
 #-----------------------------
 #---------------------------------------
 
+blank_line
+echononl "   Loading configuration settings from $(basename ${conf_file}).."
 if [[ -f "$conf_file" ]]; then
-   source "$conf_file"
+   source "$conf_file" > $tmp_log_file 2>&1
+   if [[ $? -eq 0 ]]; then
+      echo_ok
+   else
+      echo_failed
+      fatal "$(cat $tmp_log_file)"
+   fi
+else
+   echo_skipped
+   if $terminal ;then
+      warn "No Configuration File found. Loading defaults.."
+   fi
 fi
 
-#[[ -z "$mysql_credential_args" ]] && mysql_credential_args="--defaults-file=/usr/local/mysql/sys-maint.cnf"
 
 if [[ -z "$mysql_credential_args" ]]; then
 
-   if [[ "$MYSQL_CUR_DISTRIBUTION" = "MariaDB" ]] && ([[ $MYSQL_MAJOR_VERSION -gt 10 ]] \
+   detect_mysql_version
-         || ( [[ $MYSQL_MAJOR_VERSION -eq 10 ]] && [[ $MYSQL_MINOR_VERSION -gt 3 ]] )) ; then
+
+
+   MAJOR_VERSION="$MYSQL_MAJOR_VERSION"
+   MINOR_VERSION="$MYSQL_MINOR_VERSION"
+   PATCH_LEVEL="$MYSQL_PATCH_LEVEL"
+
+   if [[ "$MYSQL_CUR_DISTRIBUTION" = "MariaDB" ]] && ([[ $MAJOR_VERSION -gt 10 ]] \
+         || ( [[ $MAJOR_VERSION -eq 10 ]] && [[ $MINOR_VERSION -gt 3 ]] )) ; then
       if [[ -S "/tmp/mysql.sock" ]]; then
          mysql_credential_args="-u root -S /tmp/mysql.sock"
       elif [[ -S "/run/mysqld/mysqld.sock" ]]; then
@@ -94,24 +221,34 @@ if [[ -z "$mysql_credential_args" ]]; then
               parameter manually."
       fi
    fi
-
 fi
 
 
-
+if [[ ${#mysql_credential_args_arr[@]} -eq 0 ]]; then
-if $LOGGING ;then
+   mysql_credential_args_arr[0]="default:$mysql_credential_args"
-   echo -e "\n[ `date` ] Going to flush query cache.."
 fi
 
 
-# Flush Query Cache
+blank_line
-#
+declare -i index_arr=0
-$mysql $mysql_credential_args -N -s -e "FLUSH QUERY CACHE"
+while [[ $index_arr -lt ${#mysql_credential_args_arr[@]} ]] ; do
 
-[[ $? -gt 0 ]] && echo -e "\t[ Error ]: Flushing query cache failed !!"
+   IFS=':' read -a _val_arr <<< "${mysql_credential_args_arr[$index_arr]}"
+   mysql_version="${_val_arr[0]}"
+   mysql_credential_args="${_val_arr[1]}"
 
-if $LOGGING ;then
+   echononl "   [ ${mysql_version} ]: Flush query cache.." 
-    echo -e "\n[ `date` ] End flushing query cache"
+   $mysql $mysql_credential_args -N -s -e "FLUSH QUERY CACHE"  > $tmp_log_file 2>&1
+   if [[ $? -eq 0 ]]; then
+      echo_ok
+   else
+      echo_failed
+      error "$(cat $tmp_log_file)"
    fi
 
-exit 0
+   (( index_arr++ ))
+
+done
+
+
+clean_up 0