License
MIT License
This asset is forked from an upstream project at https://github.com/sensu-plugins/sensu-plugins-mysql that does not yet exist as a Bonsai asset.
forked from https://github.com/sensu-plugins/sensu-plugins-mysql
v1.1.0 · public · Published over 4 years ago
This fork is automatically tested, built and published to RubyGems and Bonsai.
metrics-mysql
{
"mysql":{
"hostname": "localhost",
"username": "sensu_user",
"password": "sensu_user_pass"
}
}
metrics-mysql-graphite example:
/opt/sensu/embedded/bin$ /opt/sensu/embedded/bin/ruby metrics-mysql-graphite.rb --host=localhost --port=3306 --user=collectd --pass=tflypass --socket=/data/mysql.sock
check-mysql-connections example
/opt/sensu/embedded/bin$ /opt/sensu/embedded/bin/ruby check-mysql-connections.rb --host=localhost --port=3306 --user=collectd --pass=tflypass --socket=/data/mysql.sock
check-mysql-connections example with ini file to hide credentials
$ /opt/sensu/embedded/bin/check-mysql-connections.rb --host=<DBHOST> --ini=/etc/sensu/my.ini
check-mysql-alive example
$ /opt/sensu/embedded/bin/check-mysql-alive.rb --host=<DBHOST> --ini=/etc/sensu/my.ini --ini-section=customsection
check-mysql-disk example (note: you must supply max disk size)
$ /opt/sensu/embedded/bin/check-mysql-disk.rb --host=<DBHOST> --ini=/etc/sensu/my.ini --size <MAX_DB_SIZE>
check-mysql-innodb-lock example
$ /opt/sensu/embedded/bin/check-mysql-innodb-lock.rb --host=<DBHOST> --ini=/etc/sensu/my.ini
check-mysql-threads example
$ /opt/sensu/embedded/bin/check-mysql-threads.rb --host=<DBHOST> --ini=/etc/sensu/my.ini --warnlow 0
check-mysql-replication-status example
$ /opt/sensu/embedded/bin/check-mysql-replication-status.rb --host=<SLAVE> --ini=/etc/sensu/my.ini
check-mysql-msr-replication-status example
$ /opt/sensu/embedded/bin/check-mysql-replication-status.rb --host=<SLAVE> --ini=/etc/sensu/my.ini
check-mysql-query-result-count example
/opt/sensu/embedded/bin$ /opt/sensu/embedded/bin/ruby check-mysql-query-result-count.rb --host=localhost --port=3306 --user=collectd --pass=tflypass --socket=/data/mysql.sock --warning 1 --critical 10 --query 'SELECT DISTINCT(t.id) FROM table t where t.failed = true'
check-mysql-select-count example
/opt/sensu/embedded/bin$ /opt/sensu/embedded/bin/ruby check-mysql-select-count.rb --host=localhost --port=3306 --user=collectd --pass=tflypass --socket=/data/mysql.sock --warning 30000 --critical 50000 --query 'SELECT count(*) FROM table t'
metrics-mysql-query-result-count example
/opt/sensu/embedded/bin$ /opt/sensu/embedded/bin/ruby metrics-mysql-query-result-count.rb --host=localhost --port=3306 --user=collectd --pass=tflypass --socket=/data/mysql.sock --query 'SELECT DISTINCT(t.id) FROM table t where t.failed = true'
metrics-mysql-select-count example
/opt/sensu/embedded/bin$ /opt/sensu/embedded/bin/ruby metrics-mysql-select-count.rb --host=localhost --port=3306 --user=collectd --pass=tflypass --socket=/data/mysql.sock --query 'SELECT COUNT(*) FROM table t'
metrics-mysql-multiple-select-count example
/opt/sensu/embedded/bin$ /opt/sensu/embedded/bin/metrics-mysql-multiple-select-count.rb --host=localhost --port=3306 --user=collectd --pass=tflypass --socket=/data/mysql.sock --query '{"t1_count":"SELECT COUNT(*) FROM table t1", "t2_count":"SELECT COUNT(*) FROM table t2"}'
In keeping with the principle of least privilege you should create a new user with the minimum required permissions. See the table below for minimum permissions for each check.
Check | Permissions |
---|---|
check-mysql-alive.rb | SELECT |
check-mysql-connections.rb | SELECT |
check-mysql-disk.rb | SELECT |
check-mysql-innodb-lock.rb | PROCESS |
check-mysql-query-result-count.rb | depends on query |
check-mysql-select-count.rb | SELECT |
check-mysql-replication-status.rb |
SUPER OR REPLICATION_CLIENT (the latter is preferable) |
check-mysql-msr-replication-status.rb | SELECT |
check-mysql-status.rb | SELECT |
check-mysql-threads.rb | SELECT |
metrics-mysql-graphite.rb | SELECT |
metrics-mysql-processes.rb | SELECT |
metrics-mysql-query-result-count.rb | depends on query |
metrics-mysql-select-count.rb | depends on query |
metrics-mysql-multiple-select-count | depends on query |
metrics-mysql-raw.rb | SELECT |
metrics-mysql.rb |
INSERT into sensumetrics.sensu_historic_metrics
|
I would recommend using different users when you need to have more than RO access (REPLICATION_CLIENT
or using the metrics handler) to limit the potential ramifications of that user being compromised.
The ruby executables are install in path similar to /opt/sensu/embedded/lib/ruby/gems/2.0.0/gems/sensu-plugins-mysql-0.0.4/bin
When used in chef
, if the dependencies are missing, an error may abort the chef-client run:
*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of
necessary libraries and/or headers. Check the mkmf.log file for more
details. You may need configuration options.
This may be fixed by installing the mysql client library before the plugin:
# http://serverfault.com/questions/415392/install-mysql-gem-for-use-in-chef-client
package "libmysqlclient-dev" do
action :install
end
sensu_gem 'sensu-plugins-mysql' do version '0.0.4' end
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