terraform/builtin/providers/influxdb/continuous_query.go

121 lines
2.6 KiB
Go

package influxdb
import (
"fmt"
"github.com/hashicorp/terraform/helper/schema"
"github.com/influxdata/influxdb/client"
)
func resourceContinuousQuery() *schema.Resource {
return &schema.Resource{
Create: createContinuousQuery,
Read: readContinuousQuery,
Delete: deleteContinuousQuery,
Schema: map[string]*schema.Schema{
"name": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"database": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"query": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
},
}
}
func createContinuousQuery(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*client.Client)
name := d.Get("name").(string)
database := d.Get("database").(string)
queryStr := fmt.Sprintf("CREATE CONTINUOUS QUERY %s ON %s BEGIN %s END", name, quoteIdentifier(database), d.Get("query").(string))
query := client.Query{
Command: queryStr,
}
resp, err := conn.Query(query)
if err != nil {
return err
}
if resp.Err != nil {
return resp.Err
}
d.Set("name", name)
d.Set("database", database)
d.Set("query", d.Get("query").(string))
d.SetId(fmt.Sprintf("influxdb-cq:%s", name))
return readContinuousQuery(d, meta)
}
func readContinuousQuery(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*client.Client)
name := d.Get("name").(string)
database := d.Get("database").(string)
// InfluxDB doesn't have a command to check the existence of a single
// ContinuousQuery, so we instead must read the list of all ContinuousQuerys and see
// if ours is present in it.
query := client.Query{
Command: "SHOW CONTINUOUS QUERIES",
}
resp, err := conn.Query(query)
if err != nil {
return err
}
if resp.Err != nil {
return resp.Err
}
for _, series := range resp.Results[0].Series {
if series.Name == database {
for _, result := range series.Values {
if result[0].(string) == name {
return nil
}
}
}
}
// If we fell out here then we didn't find our ContinuousQuery in the list.
d.SetId("")
return nil
}
func deleteContinuousQuery(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*client.Client)
name := d.Get("name").(string)
database := d.Get("database").(string)
queryStr := fmt.Sprintf("DROP CONTINUOUS QUERY %s ON %s", name, quoteIdentifier(database))
query := client.Query{
Command: queryStr,
}
resp, err := conn.Query(query)
if err != nil {
return err
}
if resp.Err != nil {
return resp.Err
}
d.SetId("")
return nil
}