142 lines
3.2 KiB
Go
142 lines
3.2 KiB
Go
package postgresql
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import (
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"bytes"
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"database/sql"
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"errors"
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"fmt"
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"log"
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"github.com/hashicorp/errwrap"
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"github.com/hashicorp/terraform/helper/schema"
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"github.com/lib/pq"
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)
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const (
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schemaNameAttr = "name"
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)
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func resourcePostgreSQLSchema() *schema.Resource {
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return &schema.Resource{
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Create: resourcePostgreSQLSchemaCreate,
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Read: resourcePostgreSQLSchemaRead,
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Update: resourcePostgreSQLSchemaUpdate,
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Delete: resourcePostgreSQLSchemaDelete,
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Importer: &schema.ResourceImporter{
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State: schema.ImportStatePassthrough,
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},
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Schema: map[string]*schema.Schema{
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schemaNameAttr: {
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Type: schema.TypeString,
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Required: true,
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Description: "The name of the schema",
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},
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},
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}
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}
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func resourcePostgreSQLSchemaCreate(d *schema.ResourceData, meta interface{}) error {
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c := meta.(*Client)
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conn, err := c.Connect()
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if err != nil {
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return errwrap.Wrapf("Error connecting to PostgreSQL: {{err}}", err)
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}
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defer conn.Close()
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schemaName := d.Get(schemaNameAttr).(string)
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b := bytes.NewBufferString("CREATE SCHEMA ")
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fmt.Fprintf(b, pq.QuoteIdentifier(schemaName))
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query := b.String()
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_, err = conn.Query(query)
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if err != nil {
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return errwrap.Wrapf(fmt.Sprintf("Error creating schema %s: {{err}}", schemaName), err)
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}
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d.SetId(schemaName)
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return resourcePostgreSQLSchemaRead(d, meta)
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}
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func resourcePostgreSQLSchemaDelete(d *schema.ResourceData, meta interface{}) error {
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client := meta.(*Client)
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conn, err := client.Connect()
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if err != nil {
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return err
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}
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defer conn.Close()
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schemaName := d.Get(schemaNameAttr).(string)
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query := fmt.Sprintf("DROP SCHEMA %s", pq.QuoteIdentifier(schemaName))
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_, err = conn.Query(query)
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if err != nil {
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return errwrap.Wrapf("Error deleting schema: {{err}}", err)
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}
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d.SetId("")
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return nil
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}
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func resourcePostgreSQLSchemaRead(d *schema.ResourceData, meta interface{}) error {
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c := meta.(*Client)
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conn, err := c.Connect()
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if err != nil {
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return err
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}
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defer conn.Close()
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schemaId := d.Id()
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var schemaName string
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err = conn.QueryRow("SELECT nspname FROM pg_catalog.pg_namespace WHERE nspname=$1", schemaId).Scan(&schemaName)
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switch {
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case err == sql.ErrNoRows:
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log.Printf("[WARN] PostgreSQL schema (%s) not found", schemaId)
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d.SetId("")
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return nil
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case err != nil:
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return errwrap.Wrapf("Error reading schema: {{err}}", err)
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default:
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d.Set(schemaNameAttr, schemaName)
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d.SetId(schemaName)
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return nil
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}
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}
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func resourcePostgreSQLSchemaUpdate(d *schema.ResourceData, meta interface{}) error {
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c := meta.(*Client)
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conn, err := c.Connect()
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if err != nil {
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return err
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}
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defer conn.Close()
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if err := setSchemaName(conn, d); err != nil {
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return err
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}
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return resourcePostgreSQLSchemaRead(d, meta)
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}
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func setSchemaName(conn *sql.DB, d *schema.ResourceData) error {
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if !d.HasChange(schemaNameAttr) {
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return nil
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}
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oraw, nraw := d.GetChange(schemaNameAttr)
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o := oraw.(string)
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n := nraw.(string)
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if n == "" {
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return errors.New("Error setting schema name to an empty string")
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}
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query := fmt.Sprintf("ALTER SCHEMA %s RENAME TO %s", pq.QuoteIdentifier(o), pq.QuoteIdentifier(n))
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if _, err := conn.Query(query); err != nil {
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return errwrap.Wrapf("Error updating schema NAME: {{err}}", err)
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}
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d.SetId(n)
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return nil
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}
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