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cell-status.sh
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cell-status.sh
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#!/bin/bash
# Fred Denis -- May 2019 -- fred.denis3@gmail.com -- http://unknowndba.blogspot.com
# cell-status.sh - an overview of your Exadata cell and grid disks (http://bit.ly/2VxJIUH)
# Copyright (C) 2021 Fred Denis
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
#
#
# More info and git repo: http://bit.ly/2VxJIUH -- https://github.com/freddenis/oracle-scripts
#
# The current script version is 20211111
#
# History :
#
# 20211111 - Fred Denis - GPLv3 licence
# 20211019 - Fred Denis - Code cleaning, set a default cell_group which is $HOME/cell_group as it is mainly
# what everybody uses so it makes sense not to have to specify it at each execution
# 20200914 - Fred Denis - Passing a cell_group file now works correctly
# 20190510 - Fred Denis - Initial release
#
# Variables
#
NB_PER_LINE=$(bc <<< "`tput cols`/30") # Number of DG to show per line, can be changed with -n option
TMP=$(mktemp) # A tempfile
TMP2=$(mktemp) # A tempfile
SHOW_BAD_DISKS="NO" # Shows the details of the bad disks (-v option)
DBMACHINE="/opt/oracle.SupportTools/onecommand/databasemachine.xml" # databasemachine.xml file
CELL_GROUP="${HOME}/cell_group" # default cell_group file as it is usually what everybody uses
#
# User used to connect to the cells `basename $0` -h for more information on this
#
USER="root" # User to connect to the cells (-u option)
NONROOTUSER="cellmonitor" # User to connect to the cells if a non root user runs cell-status.sh (-u option)
# If root is not used to run the script it is then less likely than root SSH keys will be deployed for this user
# We then use ${NONROOTUSER} to connect
if [[ $(id -u) -ne 0 ]]; then
USER="${NONROOTUSER}"
fi
#
# An usage function
#
usage()
{
printf "\n\033[1;37m%-8s\033[m\n" "NAME" ;
cat << END
cell-status.sh - an overview of your Exadata cell and grid disks (http://bit.ly/2VxJIUH)
END
printf "\n\033[1;37m%-8s\033[m\n" "SYNOPSIS" ;
cat << END
$0 [-v] [-u] [-c] [-o] [-f] [-n] [-h]
END
printf "\n\033[1;37m%-8s\033[m\n" "DESCRIPTION" ;
cat << END
$(basename $0) shows a status of the Cell disks and the Grid disks of all the cells of an Exadata
It has be be executed by a user with SSH equivalence on the cell servers
- If $(basename $0) is executed as root, then $USER is used to connect to the cells
- If $(basename $0) is executed as a non root user, then $NONROOTUSER is used to connect to the cells
- You can change this behavior by forcing the use of a specific user with the -u option
About the cells $(basename $0) reports about:
- If $(basename $0) is executed as root:
The default cell_group file "${CELL_GROUP}" file is used
If "${CELL_GROUP}" does not exist:
- on < X8M it uses ibhosts to build the list of cells to connect to
- on >= X8M, it fails as there is no ibhosts so a hardcoded cell_group file has to be specified (-c option)
- If $(basename $0) is executed as a non root user, it uses the databasemachine.xml file to build the list of cells to connect to
END
printf "\n\033[1;37m%-8s\033[m\n" "OPTIONS" ;
cat << END
-v Shows the details of the bad disks (with error or bad status)
-u User to connect to the cells (if the default does not suit you)
-c -C Specify a file which contains the cell list to connect to (aka cell_group), default is: "${CELL_GROUP}"
-o Save the output of the dcli commands in a file ($(basename $0) -o outputfile.log)
-f Use a file generated by the -o option as input ($(basename $0) -f outputfile.log)
-n Number of diskgroups to show per line (if not specified, $(basename $0) adapts it to the terminal size)
-h Shows this help
END
exit 123
}
#
# Options
#
while getopts "ho:f:n:vu:c:C:" OPT; do
case ${OPT} in
o) OUT="${OPTARG}" ;;
f) IN="${OPTARG}" ;;
n) NB_PER_LINE="${OPTARG}" ;;
v)SHOW_BAD_DISKS="YES" ;;
u) USER="${OPTARG}" ;;
c) CELL_GROUP="${OPTARG}" ;;
C) CELL_GROUP="${OPTARG}" ;;
h) usage ;;
\?) echo "Invalid option: -$OPTARG" >&2; usage ;;
esac
done
if [[ -z "${IN}" ]]; then # No input file specified, we dynamically find the info from the cells
if [[ -z "${CELL_GROUP}" ]]; then
if [[ $(id -u) -eq 0 ]]; then # root is executing the script
ibhosts | sed s'/"//' | grep cel | awk '{print $6}' | sort > ${TMP2} # list of cells
else # When no root
if [[ -f "${DBMACHINE}" ]]; then
cat "${DBMACHINE}" | awk 'BEGIN {FS="<|>"} {if ($3 == "cellnode") {while(getline) {if ($2 == "ADMINNAME") {print $3; break; } } }}' > "${TMP2}"
else
cat << END
Cannot access ${DBMACHINE}, cannot continue.
END
exit 255
fi
fi
fi
if [[ -n "${CELL_GROUP}" && -f "${CELL_GROUP}" ]]; then # If a cell_group file is specified we use it
cp "${CELL_GROUP}" "${TMP2}"
fi
dcli -g "${TMP2}" -l "${USER}" "echo celldisk; cellcli -e list celldisk attributes name,status,size,errorcount,disktype; echo BREAK; echo griddisk; cellcli -e list griddisk attributes asmDiskGroupName,name,asmmodestatus,asmdeactivationoutcome,size,errorcount,disktype; echo BREAK_CELL" > "${TMP}"
IN="${TMP}"
fi
if [[ -n "${OUT}" ]]; then # Output file specified, we save the cell infos in and we exit
cp "${TMP}" "${OUT}"
rm "${TMP}"
cat << END
Output file ${OUT} has been successfully generated.
END
exit 456
fi
if [[ ! -f "${IN}" ]]; then
cat << !
Cannot find the file ${IN}; cannot continue.
!
exit 123
fi
#
# Show the Exadata model if possible
#
printf "\n"
if [ -f "${DBMACHINE}" ] && [ -r "${DBMACHINE}" ]; then
cat << !
Cluster is a $(grep -i MACHINETYPES ${DBMACHINE} | sed s'/\t*//' | sed -e s':</*MACHINETYPES>::g' -e s'/^ *//' -e s'/ *$//')
!
else
printf "\n"
fi
#
# Read the information from the cells and make nice tables
#
awk -v nb_per_line="$NB_PER_LINE" -v show_bad_disks="$SHOW_BAD_DISKS" 'BEGIN\
{
# Some colors
COLOR_BEGIN = "\033[1;" ;
COLOR_END = "\033[m" ;
RED = "31m" ;
GREEN = "32m" ;
YELLOW = "33m" ;
BLUE = "34m" ;
TEAL = "36m" ;
WHITE = "37m" ;
NORMAL = "0m" ;
BACK_LIGHTBLUE = "104m" ;
RED_BACKGROUND = "41m" ;
# Column size
COL_CELL = 20 ;
COL_DISKTYPE = 26 ;
COL_NB = COL_DISKTYPE/3 ;
}
#
# A function to center the outputs with colors
#
function center( str, n, color, sep)
{ right = int((n - length(str)) / 2) ;
left = n - length(str) - right ;
return sprintf(COLOR_BEGIN color "%" left "s%s%" right "s" COLOR_END sep, "", str, "" ) ;
}
#
# A function that just print a "---" white line
#
function print_a_line(size)
{
if ( ! size)
{ size = COL_DB+COL_VER+(COL_NODE*n)+COL_TYPE+n+3 ;
}
printf("%s", COLOR_BEGIN WHITE) ;
for (k=1; k<=size; k++) {printf("%s", "-");} ;
printf("%s", COLOR_END"\n") ;
}
{ sub (":", "", $1) ;
if ($2 == "celldisk")
{ cell = $1 ;
tab_cell[cell] = cell ;
while (getline)
{ sub (":", "", $1) ;
if ($2 == "BREAK")
{
break ;
}
if ($3 == "normal")
{
tab_status[cell,$NF,$3]++ ; # With status = normal
} else {
bad_cell_disks[$0] = $0 ; # Bad disks with status != normal
}
tab_err[cell,$NF]+=$(NF-1) ; # Disks with errors
if ($(NF-1) > 0)
{ bad_cell_disks[$0] = $0 ; # Details to show with -v option
}
tab_nbdisks[cell,$NF]++ ; # NB disks per distype
tab_disktype[$NF]=$NF ; # Disktypes
}
} # End if ($2 == "celldisk")
if ($2 == "griddisk")
{ cell = $1 ;
while(getline)
{ sub (":", "", $1) ;
if ($2 == "BREAK_CELL")
{
break ;
}
if ($3 != "UNUSED") # Unused disks have no DG
{
tab2_err[cell,$2]+=$7 ; # Grid disks with errors
if ($7 > 0)
{ bad_grid_disks[$0] = $0 ; # Details to show with -v option
}
tab2_nbdisks[cell,$2]++ ; # Nb disks per diskgroup
tab2_dgs[$2]=$2 ; # Diskgroups
if (tolower($5) != "yes") # asmDeactivationOutcome
{ tab2_deact[cell,$2]="no" ;
bad_grid_disks[$0] = $0 ; # Details to show with -v option
}
if ($4 == "ONLINE")
{ tab2_status[cell,$2]++ ; # cell,DG
} else {
tab2_bad[cell,$2]++ ; # bad status disks
bad_grid_disks[$0] = $0 ; # Details to show with -v option
}
}
}
} # End if ($2 == "griddisk")
}
function print_blue_hyphen(size, sep)
{
printf ("%s", center("--", size, BLUE, sep)) ; # Just print a blue "--"
}
function print_red_cross(size, sep)
{
printf ("%s", center("xx", size, COLOR_STATUS, sep)) ; # Just print a red "xx"
}
function print_legend()
{ # A legend behind the tables
printf(COLOR_BEGIN BLUE " %-"3"s" COLOR_END, "--") ;
printf(COLOR_BEGIN WHITE " %-"12"s |" COLOR_END, ": Unused disks") ;
printf(COLOR_BEGIN RED " %-"3"s" COLOR_END, "xx") ;
printf(COLOR_BEGIN WHITE " %-"20"s |" COLOR_END, ": Not ONLINE disks") ;
printf(COLOR_BEGIN RED_BACKGROUND " %-"3"s" COLOR_END, " ") ;
printf(COLOR_BEGIN WHITE " %-"20"s" COLOR_END, ": asmDeactivationOutcome is NOT yes");
}
function print_table(in_array, in_title, in_header)
{
# Print a table from in_array adapting every column to the largest colum in the table
# including the header from in_header hich is a string collectyion separated by blank like "col1 col2 col3"
# Only the first column always have a COL_CELL size to match with the other tables to keep nice output
# It then always make a nice table and it was fun to code :)
a=asort(in_array, sorted) ;
sorted[a+1]= in_header ; # Table header
print sorted[0] ;
printf("%s", center(in_title, COL_CELL, TEAL)) ;
printf("\n") ;
for (i=1; i<=a+1; i++) # For each line
{ split(sorted[i], bad) ;
for (j=1; j<=length(bad); j++) # For each column
{ if (j == 1) # To have the cell column same on all tables
{ size[j] = COL_CELL ;
} else {
if (length(bad[j])>size[j]) { size[j] = length(bad[j])+2} ;
}
}
}
line_size=0 ;
for (k=1; k<=length(size); k++) { line_size+=size[k] ;}
for (i=1; i<=a; i++) # For each line
{ split(sorted[i], bad) ;
if (i == 1)
{ for (j=1; j<=length(bad); j++) # For each column
{ split(sorted[a+1], title) ;
printf("%s", center(title[j], size[j], NORMAL, "|")) ;
}
printf("\n") ;
print_a_line(line_size+length(size)) ;
}
for (j=1; j<=length(bad); j++) # Each column # For each column
{
printf("%s", center(bad[j], size[j], NORMAL, "|")) ;
}
printf("\n") ;
}
print_a_line(line_size+length(size)) ;
}
function print_griddisk_header(i)
{
printed=0 ;
printf("\n\n", "") ;
printf ("%s", center("Grid Disks", COL_CELL, TEAL, "|")) ;
for (j=i; j<i+nb_per_line; j++)
{
dg=dgs_sorted[j] ; # To ease the naming below
if (j > nb_dgs) # Everything is printed so we stop even if line is not full
{ break ;
}
printf ("%s", center(dg, COL_DISKTYPE, WHITE, "|")) ;
}
printf("\n") ;
printf ("%s", center(" ", COL_CELL, WHITE, "|")) ;
for (j=i; j<i+nb_per_line; j++)
{
if (j > nb_dgs) # Everything is printed so we stop even if line is not full
{ break ;
}
printf ("%s", center("Nb", COL_NB, WHITE, "|")) ;
printf ("%s", center("Online", COL_NB, WHITE, "|")) ;
printf ("%s", center("Errors", COL_NB, WHITE, "|")) ;
printed++ ;
}
printf("\n") ;
print_a_line(COL_CELL+COL_DISKTYPE*printed+printed+1) ;
}
END\
{ # Sort the arrays
nb_cells=asort(tab_cell, tab_cell_sorted) ;
#
# CELL DISKS
#
# Disk Types
printf("\n", "") ;
printf ("%s", center("Cell Disks", COL_CELL, TEAL, "|")) ;
for (disktype in tab_disktype)
{
printf ("%s", center(disktype, COL_DISKTYPE, WHITE, "|")) ;
}
printf("\n") ;
printf ("%s", center(" ", COL_CELL, WHITE, "|")) ;
for (disktype in tab_disktype)
{
printf ("%s", center("Nb", COL_NB, WHITE, "|")) ;
printf ("%s", center("Normal", COL_NB, WHITE, "|")) ;
printf ("%s", center("Errors", COL_NB, WHITE, "|")) ;
}
printf("\n") ;
print_a_line(COL_CELL+COL_DISKTYPE*length(tab_disktype)+length(tab_disktype)+1) ;
for (x=1; x<=nb_cells; x++)
{
cell=tab_cell_sorted[x] ;
printf ("%s", center(cell, COL_CELL, WHITE, "|")) ;
for (y in tab_status)
{ split(y,sep,SUBSEP) ;
if (sep[1] == cell)
{ for (disktype in tab_disktype)
{
COLOR_ERROR=GREEN ;
COLOR_STATUS=GREEN ;
# Nb disks
printf ("%s", center(tab_nbdisks[cell,disktype], COL_NB, WHITE, "|")) ;
# Disks status
if (tab_status[cell,disktype,sep[3]]<tab_nbdisks[cell,disktype]) { COLOR_STATUS=RED;}
printf ("%s", center(tab_status[cell,disktype,sep[3]], COL_NB, COLOR_STATUS, "|")) ;
# Number of error
if (tab_err[cell,disktype]>0) { COLOR_ERROR=RED; }
printf ("%s", center(tab_err[cell,disktype], COL_NB, COLOR_ERROR, "|")) ;
}
break ;
}
}
printf("\n") ;
}
print_a_line(COL_CELL+COL_DISKTYPE*length(tab_disktype)+length(tab_disktype)+1) ;
#
# Print the failed cell disks details contained in the array bad_cell_disks
#
if (tolower(show_bad_disks) == "yes")
{
if (length(bad_cell_disks) > 0)
{ print_table(bad_cell_disks, "Failed Cell Disks details", "Cell Name Status Size Nb_Error Disktype") ;
}
}
#
# GRID DISKS
#
nb_dgs=asort(tab2_dgs, dgs_sorted) ;
for (i=1; i<=nb_dgs; i+=nb_per_line)
{
print_griddisk_header(i) ;
for (x=1; x<=nb_cells; x++)
{
cell=tab_cell_sorted[x] ; # To ease the naming below
nb_printed=0 ;
printf ("%s", center(cell, COL_CELL, WHITE, "|")) ;
for (k=i; k<i+nb_per_line; k++)
{
if (k > nb_dgs) # Everything is printed so we stop even if line is not full
{ break ;
}
dg=dgs_sorted[k] ; # To ease the naming below
if (tab2_deact[cell,dg]) # asmdeactivationoutcome is NOT yes
{
COLOR_ERROR=RED_BACKGROUND ;
COLOR_STATUS=RED_BACKGROUND ;
COLOR_STATUS_BAD=RED_BACKGROUND ;
COLOR_NB_DISKS=RED_BACKGROUND ;
} else {
COLOR_ERROR=GREEN ;
COLOR_STATUS=GREEN ;
COLOR_STATUS_BAD=RED ;
COLOR_NB_DISKS=WHITE ;
}
if (tab2_nbdisks[cell,dg])
{ printf ("%s", center(tab2_nbdisks[cell,dg], COL_NB, COLOR_NB_DISKS, "|")) ; # NB disks
} else {
print_blue_hyphen(COL_NB, "|") ;
}
if (tab2_status[cell,dg]<tab2_nbdisks[cell,dg]) { COLOR_STATUS=COLOR_STATUS_BAD;}
if (tab2_bad[cell,dg] > 0)
{ print_red_cross(COL_NB, "|") ;
} else {
if (tab2_status[cell,dg])
{ printf ("%s", center(tab2_status[cell,dg], COL_NB, COLOR_STATUS, "|")) ; # Nb disks with ONLINE status
} else {
print_blue_hyphen(COL_NB, "|") ;
}
}
if (tab2_err[cell,dg]>0) { COLOR_ERROR=COLOR_STATUS_BAD; }
if (tab2_err[cell,dg] != "")
{ printf ("%s", center(tab2_err[cell,dg], COL_NB, COLOR_ERROR, "|")) ; # NB errors
} else {
print_blue_hyphen(COL_NB, "|") ;
}
nb_printed++ ;
}
printf("\n") ;
}
print_a_line(COL_CELL+COL_DISKTYPE*nb_printed+nb_printed+1) ;
print_legend() ;
} # End for (i=1; i<=nb_dgs; i++)
# Show bad grid disks
if (tolower(show_bad_disks) == "yes")
{ printf("\n\n") ;
printf("%s", center("Failed Grid Disks details", COL_CELL, TEAL)) ;
printf("\n") ;
# print_table(bad_grid_disks, "Failed Grid Disks details", "Cell asmDGName Name Status Deact Size NBError Disktype") ;
if (length(bad_grid_disks) > 0)
{
a=asort(bad_grid_disks, bad_grid_disks_sorted) ;
printf("%-14s%-24s%12s%16s%6s%8s%6s%16s\n", "cell", "asmDGName", "name","status", "deactoutcome", "size", "error" ,"disktype" ) ;
for (i=1; i<=a; i++)
{
printf ("%s\n", bad_grid_disks_sorted[i]) ;
}
}
printf("\n") ;
}
printf("\n") ;
printf("\n") ;
}' "${IN}"
#
# Delete tempfiles
#
for F in "${TMP}" "${TMP2}"; do
rm -f "${F}"
done
#****************************************************************#
# E N D O F S O U R C E *#
#****************************************************************#