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Diffstat (limited to '')
| -rwxr-xr-x | charts.d/mysql.chart.sh | 460 |
1 files changed, 460 insertions, 0 deletions
diff --git a/charts.d/mysql.chart.sh b/charts.d/mysql.chart.sh new file mode 100755 index 000000000..283905289 --- /dev/null +++ b/charts.d/mysql.chart.sh @@ -0,0 +1,460 @@ +#!/bin/sh + +# http://dev.mysql.com/doc/refman/5.0/en/server-status-variables.html +# +# https://dev.mysql.com/doc/refman/5.1/en/show-status.html +# SHOW STATUS provides server status information (see Section 5.1.6, “Server Status Variables”). +# This statement does not require any privilege. +# It requires only the ability to connect to the server. + +mysql_update_every=5 +mysql_priority=60000 + +declare -A mysql_cmds=() mysql_opts=() mysql_ids=() + +mysql_exec() { + local ret + + "${@}" -s -e "show global status;" + ret=$? + + [ $ret -ne 0 ] && echo "plugin_command_failure $ret" + return $ret +} + +mysql_get() { + unset \ + mysql_Bytes_received \ + mysql_Bytes_sent \ + mysql_Queries \ + mysql_Questions \ + mysql_Slow_queries \ + mysql_Handler_commit \ + mysql_Handler_delete \ + mysql_Handler_prepare \ + mysql_Handler_read_first \ + mysql_Handler_read_key \ + mysql_Handler_read_next \ + mysql_Handler_read_prev \ + mysql_Handler_read_rnd \ + mysql_Handler_read_rnd_next \ + mysql_Handler_rollback \ + mysql_Handler_savepoint \ + mysql_Handler_savepoint_rollback \ + mysql_Handler_update \ + mysql_Handler_write \ + mysql_Table_locks_immediate \ + mysql_Table_locks_waited \ + mysql_Select_full_join \ + mysql_Select_full_range_join \ + mysql_Select_range \ + mysql_Select_range_check \ + mysql_Select_scan \ + mysql_Sort_merge_passes \ + mysql_Sort_range \ + mysql_Sort_scan \ + mysql_Created_tmp_disk_tables \ + mysql_Created_tmp_files \ + mysql_Created_tmp_tables \ + mysql_Connection_errors_accept \ + mysql_Connection_errors_internal \ + mysql_Connection_errors_max_connections \ + mysql_Connection_errors_peer_addr \ + mysql_Connection_errors_select \ + mysql_Connection_errors_tcpwrap \ + mysql_Connections \ + mysql_Aborted_connects \ + mysql_Binlog_cache_disk_use \ + mysql_Binlog_cache_use \ + mysql_Binlog_stmt_cache_disk_use \ + mysql_Binlog_stmt_cache_use \ + mysql_Threads_connected \ + mysql_Threads_created \ + mysql_Threads_cached \ + mysql_Threads_running \ + mysql_Innodb_data_read \ + mysql_Innodb_data_written \ + mysql_Innodb_data_reads \ + mysql_Innodb_data_writes \ + mysql_Innodb_data_fsyncs \ + mysql_Innodb_data_pending_reads \ + mysql_Innodb_data_pending_writes \ + mysql_Innodb_data_pending_fsyncs \ + mysql_Innodb_log_waits \ + mysql_Innodb_log_write_requests \ + mysql_Innodb_log_writes \ + mysql_Innodb_os_log_fsyncs \ + mysql_Innodb_os_log_pending_fsyncs \ + mysql_Innodb_os_log_pending_writes \ + mysql_Innodb_os_log_written \ + mysql_Innodb_row_lock_current_waits \ + mysql_Innodb_rows_inserted \ + mysql_Innodb_rows_read \ + mysql_Innodb_rows_updated \ + mysql_Innodb_rows_deleted + + mysql_plugin_command_failure=0 + + eval "$(mysql_exec "${@}" |\ + sed \ + -e "s/[[:space:]]\+/ /g" \ + -e "s/\./_/g" \ + -e "s/^\([a-zA-Z0-9_]\+\)[[:space:]]\+\([0-9]\+\)$/mysql_\1=\2/g" |\ + egrep "^mysql_[a-zA-Z0-9_]+=[[:digit:]]+$")" + + [ $mysql_plugin_command_failure -eq 1 ] && return 1 + [ -z "$mysql_Connections" ] && return 1 + + mysql_Thread_cache_misses=0 + [ $(( mysql_Connections + 1 - 1 )) -gt 0 ] && mysql_Thread_cache_misses=$(( mysql_Threads_created * 10000 / mysql_Connections )) + + return 0 +} + +mysql_check() { + # this should return: + # - 0 to enable the chart + # - 1 to disable the chart + + local x m mysql_cmd + + [ -z "${mysql_cmd}" ] && mysql_cmd="$(which mysql)" + + if [ ${#mysql_opts[@]} -eq 0 ] + then + mysql_cmds[local]="$mysql_cmd" + mysql_opts[local]= + fi + + # check once if the url works + for m in "${!mysql_opts[@]}" + do + [ -z "${mysql_cmds[$m]}" ] && mysql_cmds[$m]="$mysql_cmd" + if [ -z "${mysql_cmds[$m]}" ] + then + echo >&2 "$PROGRAM_NAME: mysql: cannot get mysql command for '$m'. Please set mysql_cmds[$m]='/path/to/mysql', in $confd/mysql.conf" + fi + + mysql_get "${mysql_cmds[$m]}" ${mysql_opts[$m]} + if [ ! $? -eq 0 ] + then + echo >&2 "$PROGRAM_NAME: mysql: cannot get global status for '$m'. Please set mysql_opts[$m]='options' to whatever needed to get connected to the mysql server, in $confd/mysql.conf" + unset mysql_cmds[$m] + unset mysql_opts[$m] + unset mysql_ids[$m] + continue + fi + + mysql_ids[$m]="$( fixid "$m" )" + done + + if [ ${#mysql_opts[@]} -eq 0 ] + then + echo >&2 "$PROGRAM_NAME: mysql: no mysql servers found. Please set mysql_opts[name]='options' to whatever needed to get connected to the mysql server, in $confd/mysql.conf" + return 1 + fi + + return 0 +} + +mysql_create() { + local m + + # create the charts + for m in "${mysql_ids[@]}" + do + cat <<EOF +CHART mysql_$m.net '' "mysql Bandwidth" "kilobits/s" bandwidth mysql.net area $[mysql_priority + 1] $mysql_update_every +DIMENSION Bytes_received in incremental 8 1024 +DIMENSION Bytes_sent out incremental -8 1024 + +CHART mysql_$m.queries '' "mysql Queries" "queries/s" queries mysql.queries line $[mysql_priority + 2] $mysql_update_every +DIMENSION Queries queries incremental 1 1 +DIMENSION Questions questions incremental 1 1 +DIMENSION Slow_queries slow_queries incremental -1 1 + +CHART mysql_$m.handlers '' "mysql Handlers" "handlers/s" handlers mysql.handlers line $[mysql_priority + 3] $mysql_update_every +DIMENSION Handler_commit commit incremental 1 1 +DIMENSION Handler_delete delete incremental 1 1 +DIMENSION Handler_prepare prepare incremental 1 1 +DIMENSION Handler_read_first read_first incremental 1 1 +DIMENSION Handler_read_key read_key incremental 1 1 +DIMENSION Handler_read_next read_next incremental 1 1 +DIMENSION Handler_read_prev read_prev incremental 1 1 +DIMENSION Handler_read_rnd read_rnd incremental 1 1 +DIMENSION Handler_read_rnd_next read_rnd_next incremental 1 1 +DIMENSION Handler_rollback rollback incremental 1 1 +DIMENSION Handler_savepoint savepoint incremental 1 1 +DIMENSION Handler_savepoint_rollback savepoint_rollback incremental 1 1 +DIMENSION Handler_update update incremental 1 1 +DIMENSION Handler_write write incremental 1 1 + +CHART mysql_$m.table_locks '' "mysql Tables Locks" "locks/s" locks mysql.table_locks line $[mysql_priority + 4] $mysql_update_every +DIMENSION Table_locks_immediate immediate incremental 1 1 +DIMENSION Table_locks_waited waited incremental -1 1 + +CHART mysql_$m.join_issues '' "mysql Select Join Issues" "joins/s" issues mysql.join_issues line $[mysql_priority + 5] $mysql_update_every +DIMENSION Select_full_join full_join incremental 1 1 +DIMENSION Select_full_range_join full_range_join incremental 1 1 +DIMENSION Select_range range incremental 1 1 +DIMENSION Select_range_check range_check incremental 1 1 +DIMENSION Select_scan scan incremental 1 1 + +CHART mysql_$m.sort_issues '' "mysql Sort Issues" "issues/s" issues mysql.sort.issues line $[mysql_priority + 6] $mysql_update_every +DIMENSION Sort_merge_passes merge_passes incremental 1 1 +DIMENSION Sort_range range incremental 1 1 +DIMENSION Sort_scan scan incremental 1 1 + +CHART mysql_$m.tmp '' "mysql Tmp Operations" "counter" temporaries mysql.tmp line $[mysql_priority + 7] $mysql_update_every +DIMENSION Created_tmp_disk_tables disk_tables incremental 1 1 +DIMENSION Created_tmp_files files incremental 1 1 +DIMENSION Created_tmp_tables tables incremental 1 1 + +CHART mysql_$m.connections '' "mysql Connections" "connections/s" connections mysql.connections line $[mysql_priority + 8] $mysql_update_every +DIMENSION Connections all incremental 1 1 +DIMENSION Aborted_connects aborded incremental 1 1 + +CHART mysql_$m.binlog_cache '' "mysql Binlog Cache" "transactions/s" binlog mysql.binlog_cache line $[mysql_priority + 9] $mysql_update_every +DIMENSION Binlog_cache_disk_use disk incremental 1 1 +DIMENSION Binlog_cache_use all incremental 1 1 + +CHART mysql_$m.threads '' "mysql Threads" "threads" threads mysql.threads line $[mysql_priority + 10] $mysql_update_every +DIMENSION Threads_connected connected absolute 1 1 +DIMENSION Threads_created created incremental 1 1 +DIMENSION Threads_cached cached absolute -1 1 +DIMENSION Threads_running running absolute 1 1 + +CHART mysql_$m.thread_cache_misses '' "mysql Threads Cache Misses" "misses" threads mysql.thread_cache_misses area $[mysql_priority + 11] $mysql_update_every +DIMENSION misses misses absolute 1 100 + +CHART mysql_$m.innodb_io '' "mysql InnoDB I/O Bandwidth" "kilobytes/s" innodb mysql.innodb_io area $[mysql_priority + 12] $mysql_update_every +DIMENSION Innodb_data_read read incremental 1 1024 +DIMENSION Innodb_data_written write incremental -1 1024 + +CHART mysql_$m.innodb_io_ops '' "mysql InnoDB I/O Operations" "operations/s" innodb mysql.innodb_io_ops line $[mysql_priority + 13] $mysql_update_every +DIMENSION Innodb_data_reads reads incremental 1 1 +DIMENSION Innodb_data_writes writes incremental -1 1 +DIMENSION Innodb_data_fsyncs fsyncs incremental 1 1 + +CHART mysql_$m.innodb_io_pending_ops '' "mysql InnoDB Pending I/O Operations" "operations" innodb mysql.innodb_io_pending_ops line $[mysql_priority + 14] $mysql_update_every +DIMENSION Innodb_data_pending_reads reads absolute 1 1 +DIMENSION Innodb_data_pending_writes writes absolute -1 1 +DIMENSION Innodb_data_pending_fsyncs fsyncs absolute 1 1 + +CHART mysql_$m.innodb_log '' "mysql InnoDB Log Operations" "operations/s" innodb mysql.innodb_log line $[mysql_priority + 15] $mysql_update_every +DIMENSION Innodb_log_waits waits incremental 1 1 +DIMENSION Innodb_log_write_requests write_requests incremental -1 1 +DIMENSION Innodb_log_writes writes incremental -1 1 + +CHART mysql_$m.innodb_os_log '' "mysql InnoDB OS Log Operations" "operations" innodb mysql.innodb_os_log line $[mysql_priority + 16] $mysql_update_every +DIMENSION Innodb_os_log_fsyncs fsyncs incremental 1 1 +DIMENSION Innodb_os_log_pending_fsyncs pending_fsyncs absolute 1 1 +DIMENSION Innodb_os_log_pending_writes pending_writes absolute -1 1 + +CHART mysql_$m.innodb_os_log_io '' "mysql InnoDB OS Log Bandwidth" "kilobytes/s" innodb mysql.innodb_os_log_io area $[mysql_priority + 17] $mysql_update_every +DIMENSION Innodb_os_log_written write incremental -1 1024 + +CHART mysql_$m.innodb_cur_row_lock '' "mysql InnoDB Current Row Locks" "operations" innodb mysql.innodb_cur_row_lock area $[mysql_priority + 18] $mysql_update_every +DIMENSION Innodb_row_lock_current_waits current_waits absolute 1 1 + +CHART mysql_$m.innodb_rows '' "mysql InnoDB Row Operations" "operations/s" innodb mysql.innodb_rows area $[mysql_priority + 19] $mysql_update_every +DIMENSION Innodb_rows_read read incremental 1 1 +DIMENSION Innodb_rows_deleted deleted incremental -1 1 +DIMENSION Innodb_rows_inserted inserted incremental 1 1 +DIMENSION Innodb_rows_updated updated incremental -1 1 + +EOF + + if [ ! -z "$mysql_Binlog_stmt_cache_disk_use" ] + then + cat <<EOF +CHART mysql_$m.binlog_stmt_cache '' "mysql Binlog Statement Cache" "statements/s" binlog mysql.binlog_stmt_cache line $[mysql_priority + 20] $mysql_update_every +DIMENSION Binlog_stmt_cache_disk_use disk incremental 1 1 +DIMENSION Binlog_stmt_cache_use all incremental 1 1 +EOF + fi + + if [ ! -z "$mysql_Connection_errors_accept" ] + then + cat <<EOF +CHART mysql_$m.connection_errors '' "mysql Connection Errors" "connections/s" connections mysql.connection_errors line $[mysql_priority + 21] $mysql_update_every +DIMENSION Connection_errors_accept accept incremental 1 1 +DIMENSION Connection_errors_internal internal incremental 1 1 +DIMENSION Connection_errors_max_connections max incremental 1 1 +DIMENSION Connection_errors_peer_addr peer_addr incremental 1 1 +DIMENSION Connection_errors_select select incremental 1 1 +DIMENSION Connection_errors_tcpwrap tcpwrap incremental 1 1 +EOF + fi + + done + return 0 +} + + +mysql_update() { + # the first argument to this function is the microseconds since last update + # pass this parameter to the BEGIN statement (see bellow). + + # do all the work to collect / calculate the values + # for each dimension + # remember: KEEP IT SIMPLE AND SHORT + + # 1. get the counters page from mysql + # 2. sed to remove spaces; replace . with _; remove spaces around =; prepend each line with: local mysql_ + # 3. egrep lines starting with: + # local mysql_client_http_ then one or more of these a-z 0-9 _ then = and one of more of 0-9 + # local mysql_server_all_ then one or more of these a-z 0-9 _ then = and one of more of 0-9 + # 4. then execute this as a script with the eval + # + # be very carefull with eval: + # prepare the script and always grep at the end the lines that are usefull, so that + # even if something goes wrong, no other code can be executed + + local m x + for m in "${!mysql_ids[@]}" + do + x="${mysql_ids[$m]}" + + mysql_get "${mysql_cmds[$m]}" ${mysql_opts[$m]} + if [ $? -ne 0 ] + then + unset mysql_ids[$m] + unset mysql_opts[$m] + unset mysql_cmds[$m] + echo >&2 "$PROGRAM_NAME: mysql: failed to get values for '$m', disabling it." + continue + fi + + # write the result of the work. + cat <<VALUESEOF +BEGIN mysql_$x.net $1 +SET Bytes_received = $mysql_Bytes_received +SET Bytes_sent = $mysql_Bytes_sent +END +BEGIN mysql_$x.queries $1 +SET Queries = $mysql_Queries +SET Questions = $mysql_Questions +SET Slow_queries = $mysql_Slow_queries +END +BEGIN mysql_$x.handlers $1 +SET Handler_commit = $mysql_Handler_commit +SET Handler_delete = $mysql_Handler_delete +SET Handler_prepare = $mysql_Handler_prepare +SET Handler_read_first = $mysql_Handler_read_first +SET Handler_read_key = $mysql_Handler_read_key +SET Handler_read_next = $mysql_Handler_read_next +SET Handler_read_prev = $mysql_Handler_read_prev +SET Handler_read_rnd = $mysql_Handler_read_rnd +SET Handler_read_rnd_next = $mysql_Handler_read_rnd_next +SET Handler_rollback = $mysql_Handler_rollback +SET Handler_savepoint = $mysql_Handler_savepoint +SET Handler_savepoint_rollback = $mysql_Handler_savepoint_rollback +SET Handler_update = $mysql_Handler_update +SET Handler_write = $mysql_Handler_write +END +BEGIN mysql_$x.table_locks $1 +SET Table_locks_immediate = $mysql_Table_locks_immediate +SET Table_locks_waited = $mysql_Table_locks_waited +END +BEGIN mysql_$x.join_issues $1 +SET Select_full_join = $mysql_Select_full_join +SET Select_full_range_join = $mysql_Select_full_range_join +SET Select_range = $mysql_Select_range +SET Select_range_check = $mysql_Select_range_check +SET Select_scan = $mysql_Select_scan +END +BEGIN mysql_$x.sort_issues $1 +SET Sort_merge_passes = $mysql_Sort_merge_passes +SET Sort_range = $mysql_Sort_range +SET Sort_scan = $mysql_Sort_scan +END +BEGIN mysql_$m.tmp $1 +SET Created_tmp_disk_tables = $mysql_Created_tmp_disk_tables +SET Created_tmp_files = $mysql_Created_tmp_files +SET Created_tmp_tables = $mysql_Created_tmp_tables +END +BEGIN mysql_$m.connections $1 +SET Connections = $mysql_Connections +SET Aborted_connects = $mysql_Aborted_connects +END +BEGIN mysql_$m.binlog_cache $1 +SET Binlog_cache_disk_use = $mysql_Binlog_cache_disk_use +SET Binlog_cache_use = $mysql_Binlog_cache_use +END +BEGIN mysql_$m.threads $1 +SET Threads_connected = $mysql_Threads_connected +SET Threads_created = $mysql_Threads_created +SET Threads_cached = $mysql_Threads_cached +SET Threads_running = $mysql_Threads_running +END +BEGIN mysql_$m.thread_cache_misses $1 +SET misses = $mysql_Thread_cache_misses +END +BEGIN mysql_$m.innodb_io $1 +SET Innodb_data_read = $mysql_Innodb_data_read +SET Innodb_data_written = $mysql_Innodb_data_written +END +BEGIN mysql_$m.innodb_io_ops $1 +SET Innodb_data_reads = $mysql_Innodb_data_reads +SET Innodb_data_writes = $mysql_Innodb_data_writes +SET Innodb_data_fsyncs = $mysql_Innodb_data_fsyncs +END +BEGIN mysql_$m.innodb_io_pending_ops $1 +SET Innodb_data_pending_reads = $mysql_Innodb_data_pending_reads +SET Innodb_data_pending_writes = $mysql_Innodb_data_pending_writes +SET Innodb_data_pending_fsyncs = $mysql_Innodb_data_pending_fsyncs +END +BEGIN mysql_$m.innodb_log $1 +SET Innodb_log_waits = $mysql_Innodb_log_waits +SET Innodb_log_write_requests = $mysql_Innodb_log_write_requests +SET Innodb_log_writes = $mysql_Innodb_log_writes +END +BEGIN mysql_$m.innodb_os_log $1 +SET Innodb_os_log_fsyncs = $mysql_Innodb_os_log_fsyncs +SET Innodb_os_log_pending_fsyncs = $mysql_Innodb_os_log_pending_fsyncs +SET Innodb_os_log_pending_writes = $mysql_Innodb_os_log_pending_writes +END +BEGIN mysql_$m.innodb_os_log_io $1 +SET Innodb_os_log_written = $mysql_Innodb_os_log_written +END +BEGIN mysql_$m.innodb_cur_row_lock $1 +SET Innodb_row_lock_current_waits = $mysql_Innodb_row_lock_current_waits +END +BEGIN mysql_$m.innodb_rows $1 +SET Innodb_rows_inserted = $mysql_Innodb_rows_inserted +SET Innodb_rows_read = $mysql_Innodb_rows_read +SET Innodb_rows_updated = $mysql_Innodb_rows_updated +SET Innodb_rows_deleted = $mysql_Innodb_rows_deleted +END +VALUESEOF + + if [ ! -z "$mysql_Binlog_stmt_cache_disk_use" ] + then + cat <<VALUESEOF +BEGIN mysql_$m.binlog_stmt_cache $1 +SET Binlog_stmt_cache_disk_use = $mysql_Binlog_stmt_cache_disk_use +SET Binlog_stmt_cache_use = $mysql_Binlog_stmt_cache_use +END +VALUESEOF + fi + + if [ ! -z "$mysql_Connection_errors_accept" ] + then + cat <<VALUESEOF +BEGIN mysql_$m.connection_errors $1 +SET Connection_errors_accept = $mysql_Connection_errors_accept +SET Connection_errors_internal = $mysql_Connection_errors_internal +SET Connection_errors_max_connections = $mysql_Connection_errors_max_connections +SET Connection_errors_peer_addr = $mysql_Connection_errors_peer_addr +SET Connection_errors_select = $mysql_Connection_errors_select +SET Connection_errors_tcpwrap = $mysql_Connection_errors_tcpwrap +END +VALUESEOF + fi + done + + [ ${#mysql_ids[@]} -eq 0 ] && echo >&2 "$PROGRAM_NAME: mysql: no mysql servers left active." && return 1 + return 0 +} + |