159 lines
4.6 KiB
Bash
Executable File
159 lines
4.6 KiB
Bash
Executable File
#!/bin/sh
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#
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# Plugin to graph numeric result of the specified MySQL queries.
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#
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# Parameters:
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#
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# config (required)
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# autoconf (optional - used by lrrd-config)
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#
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# Configuration example
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#
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# [mysql_report]
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# env.names query1 query2
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# env.hostname www.example.com
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# env.database mysql
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# env.username report
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# env.password secret
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# env.errorvalue 60
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# env.max 120
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#
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# env.label_query1 Example query#1 (number of users)
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# env.hostname_query1 www1.example.com
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# env.draw_query1 AREA
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# env.colour_query1 FF0000
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# env.database_query1 mysql
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# env.username_query1 user1
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# env.password_query1 secret1
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# env.query_query1 select count(*) from `exampledb`.`users`
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# env.warning_query1 5
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# env.critical_query1 8
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#
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# env.label_query2 Example query#2 (number of successful logins)
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# env.query_query2 select count(*) from `exampledb`.`login_log`
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# env.type_query2 DERIVE
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# env.draw_query2 LINE2
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# env.colour_query2 000080
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# env.mysqlopts_query2 --defaults-extra-file=/etc/mysql/debian.cnf --port=4507
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#
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# env.cdefnames cdef1
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# env.cdef_cdef1 result1,result2,+
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# env.cdeflbl_cdef1 Users and successful logins sum
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#
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# $Log$
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#
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# Revision 1.0 2010/04/19 14:18:32 muzso@muzso.hu
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# Initial version
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#
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# Revision 1.01 2010/7/14 oded@pageonce.com
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#%# family=auto
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#%# capabilities=autoconf
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mysqlbin=$(which mysql)
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default_errorvalue=30
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default_title="Results from MySQL queries"
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default_vlabel="value / sec"
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default_info="This graph shows results of one or more SQL queries."
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default_args="--base 1000 -l 0"
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default_scale="no"
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if [ "${1}" = "autoconf" ]; then
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if [ -z "${mysqlbin}" ]; then
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echo "no (missing mysql executable)"
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else
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echo "yes"
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fi
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exit 0
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fi
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if [ -z "${names}" ]; then
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echo "Configuration required"
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exit 1
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fi
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[ -n "${errorvalue}" ] || errorvalue=${default_errorvalue}
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[ -n "${title}" ] || title="${default_title}"
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[ -n "${vlabel}" ] || vlabel="${default_vlabel}"
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[ -n "${info}" ] || info="${default_info}"
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[ -n "${args}" ] || args="${default_args}"
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[ -n "${scale}" ] || scale="${default_scale}"
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if [ "${1}" = "config" ]; then
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cat << EOH1
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graph_title ${title}
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graph_args ${args}
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graph_scale ${scale}
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graph_vlabel ${vlabel}
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graph_category db
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graph_info ${info}
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EOH1
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[ -n "${period}" ] && echo "graph_period ${period}"
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I=1
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for name in ${names}; do
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eval iquery='${query_'${name}'}'
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if [ -n "${iquery}" ]; then
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eval ilabel='${label_'${name}':-host${I}}'
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eval iwarning='${warning_'${name}':-${warning}}'
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eval icritical='${critical_'${name}':-${critical}}'
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eval imax='${max_'${name}':-${max}}'
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eval itype='${type_'${name}':-${type}}'
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eval idraw='${draw_'${name}':-${draw}}'
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eval icolour='${colour_'${name}':-${colour}}'
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iquery=$(echo "${iquery}" | tr '\n\r' ' ')
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cat << EOH2
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result${I}.label ${ilabel}
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result${I}.info Result of the query: ${iquery}
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result${I}.min 0
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EOH2
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[ -n "${imax}" ] && echo "result${I}.max ${imax}"
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[ -n "${itype}" ] && echo "result${I}.type ${itype}"
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[ -n "${idraw}" ] && echo "result${I}.draw ${idraw}"
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[ -n "${icolour}" ] && echo "result${I}.colour ${icolour}"
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[ -n "${iwarning}" ] && echo "result${I}.warning ${iwarning}"
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[ -n "${icritical}" ] && echo "result${I}.critical ${icritical}"
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I=$((I+1))
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fi
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done
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for cdefname in ${cdefnames} ;do
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eval icdef='${cdef_'${cdefname}'}'
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if [ -n "${icdef}" ]; then
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eval icdeflbl='${cdeflbl_'${cdefname}':-${cdeflbl}}'
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cat << EOH4
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${cdefname}.cdef ${icdef}
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${cdefname}.label ${icdeflbl}
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EOH4
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fi
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done
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exit 0
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fi
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I=1
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for name in ${names}; do
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eval iquery='${query_'${name}'}'
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if [ -n "${iquery}" ]; then
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eval ihostname='${hostname_'${name}':-${hostname}}'
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[ -n "${ihostname}" ] && opts="${opts} --host=${ihostname}"
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eval idatabase='${database_'${name}':-${database}}'
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eval iusername='${username_'${name}':-${username}}'
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[ -n "${iusername}" ] && opts="${opts} --user=${iusername}"
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eval ipassword='${password_'${name}':-${password}}'
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[ -n "${ipassword}" ] && opts="${opts} --password=${ipassword}"
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eval ierrorvalue='${errorvalue_'${name}':-${errorvalue}}'
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eval imysqlopts='${mysqlopts_'${name}':-${mysqlopts}}'
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iquery=$(echo "${iquery}" | tr '\n\r' ' ')
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#echo "The command to be executed: echo \"${iquery}\" | ${mysqlbin} ${imysqlopts} --batch --skip-column-names ${opts} ${idatabase} 2>&1"
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output=$(echo "${iquery}" | ${mysqlbin} ${imysqlopts} --batch --skip-column-names ${opts} ${idatabase} 2>&1)
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if [ $? -ne 0 -a ${ierrorvalue} -ne 0 ]; then
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result=${ierrorvalue}
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else
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result=$(echo "${output}" | head -n 1 | sed 's/^\([0-9]\+\).*/\1/')
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fi
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echo "result${I}.value ${result}"
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I=$((I+1))
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fi
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done
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