NewsBlur/config/munin/postgres_table_sizes

#!/srv/newsblur/venv/newsblur/bin/python

""" Monitors the total table size (data + indexes)
    for all tables in the specified database."""

from vendor.munin.postgres import MuninPostgresPlugin

class PostgresTableSizes(MuninPostgresPlugin):
    vlabel = "Table Size"
    title = "Table Sizes"

    @property
    def fields(self):
        return [(table, {"label": table}) for table in self.tables()]

    def execute(self):
        tables = {}
        for table in self.tables():
            cursor = self.cursor()
            cursor.execute("SELECT pg_total_relation_size(%s);", (table,))
            tables[table] = cursor.fetchone()[0]
        return tables

if __name__ == "__main__":
    PostgresTableSizes().run()