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telegraf/plugins/inputs/sql/sample.conf

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# Read metrics from SQL queries
[[inputs.sql]]
## Database Driver
## See https://github.com/influxdata/telegraf/blob/master/docs/SQL_DRIVERS_INPUT.md for
## a list of supported drivers.
driver = "mysql"
## Data source name for connecting
## The syntax and supported options depends on selected driver.
dsn = "username:password@tcp(mysqlserver:3307)/dbname?param=value"
## Timeout for any operation
## Note that the timeout for queries is per query not per gather.
# timeout = "5s"
## Connection time limits
## By default the maximum idle time and maximum lifetime of a connection is unlimited, i.e. the connections
## will not be closed automatically. If you specify a positive time, the connections will be closed after
## idleing or existing for at least that amount of time, respectively.
# connection_max_idle_time = "0s"
# connection_max_life_time = "0s"
## Connection count limits
## By default the number of open connections is not limited and the number of maximum idle connections
## will be inferred from the number of queries specified. If you specify a positive number for any of the
## two options, connections will be closed when reaching the specified limit. The number of idle connections
## will be clipped to the maximum number of connections limit if any.
# connection_max_open = 0
# connection_max_idle = auto
## Specifies plugin behavior regarding disconnected servers
## Available choices :
## - error: telegraf will return an error on startup if one the servers is unreachable
## - ignore: telegraf will ignore unreachable servers on both startup and gather
# disconnected_servers_behavior = "error"
[[inputs.sql.query]]
## Query to perform on the server
query="SELECT user,state,latency,score FROM Scoreboard WHERE application > 0"
## Alternatively to specifying the query directly you can select a file here containing the SQL query.
## Only one of 'query' and 'query_script' can be specified!
# query_script = "/path/to/sql/script.sql"
## Name of the measurement
## In case both measurement and 'measurement_col' are given, the latter takes precedence.
# measurement = "sql"
## Column name containing the name of the measurement
## If given, this will take precedence over the 'measurement' setting. In case a query result
## does not contain the specified column, we fall-back to the 'measurement' setting.
# measurement_column = ""
## Column name containing the time of the measurement
## If omitted, the time of the query will be used.
# time_column = ""
## Format of the time contained in 'time_col'
## The time must be 'unix', 'unix_ms', 'unix_us', 'unix_ns', or a golang time format.
## See https://golang.org/pkg/time/#Time.Format for details.
# time_format = "unix"
## Column names containing tags
## An empty include list will reject all columns and an empty exclude list will not exclude any column.
## I.e. by default no columns will be returned as tag and the tags are empty.
# tag_columns_include = []
# tag_columns_exclude = []
## Column names containing fields (explicit types)
## Convert the given columns to the corresponding type. Explicit type conversions take precedence over
## the automatic (driver-based) conversion below.
## NOTE: Columns should not be specified for multiple types or the resulting type is undefined.
# field_columns_float = []
# field_columns_int = []
# field_columns_uint = []
# field_columns_bool = []
# field_columns_string = []
## Column names containing fields (automatic types)
## An empty include list is equivalent to '[*]' and all returned columns will be accepted. An empty
## exclude list will not exclude any column. I.e. by default all columns will be returned as fields.
## NOTE: We rely on the database driver to perform automatic datatype conversion.
# field_columns_include = []
# field_columns_exclude = []