117 lines
2.7 KiB
Go
117 lines
2.7 KiB
Go
package mysql
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import (
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"fmt"
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"strings"
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"github.com/hashicorp/go-version"
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mysqlc "github.com/ziutek/mymysql/mysql"
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mysqlts "github.com/ziutek/mymysql/thrsafe"
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"github.com/hashicorp/terraform/helper/schema"
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"github.com/hashicorp/terraform/terraform"
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)
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type providerConfiguration struct {
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Conn mysqlc.Conn
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ServerVersion *version.Version
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}
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func Provider() terraform.ResourceProvider {
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return &schema.Provider{
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Schema: map[string]*schema.Schema{
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"endpoint": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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DefaultFunc: schema.EnvDefaultFunc("MYSQL_ENDPOINT", nil),
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ValidateFunc: func(v interface{}, k string) (ws []string, errors []error) {
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value := v.(string)
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if value == "" {
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errors = append(errors, fmt.Errorf("Endpoint must not be an empty string"))
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}
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return
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},
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},
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"username": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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DefaultFunc: schema.EnvDefaultFunc("MYSQL_USERNAME", nil),
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ValidateFunc: func(v interface{}, k string) (ws []string, errors []error) {
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value := v.(string)
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if value == "" {
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errors = append(errors, fmt.Errorf("Username must not be an empty string"))
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}
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return
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},
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},
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"password": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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DefaultFunc: schema.EnvDefaultFunc("MYSQL_PASSWORD", nil),
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},
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},
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ResourcesMap: map[string]*schema.Resource{
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"mysql_database": resourceDatabase(),
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"mysql_user": resourceUser(),
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"mysql_grant": resourceGrant(),
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},
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ConfigureFunc: providerConfigure,
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}
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}
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func providerConfigure(d *schema.ResourceData) (interface{}, error) {
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var username = d.Get("username").(string)
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var password = d.Get("password").(string)
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var endpoint = d.Get("endpoint").(string)
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proto := "tcp"
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if len(endpoint) > 0 && endpoint[0] == '/' {
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proto = "unix"
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}
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// mysqlts is the thread-safe implementation of mymysql, so we can
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// safely re-use the same connection between multiple parallel
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// operations.
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conn := mysqlts.New(proto, "", endpoint, username, password)
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err := conn.Connect()
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if err != nil {
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return nil, err
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}
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ver, err := serverVersion(conn)
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if err != nil {
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return nil, err
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}
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return &providerConfiguration{
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Conn: conn,
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ServerVersion: ver,
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}, nil
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}
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var identQuoteReplacer = strings.NewReplacer("`", "``")
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func quoteIdentifier(in string) string {
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return fmt.Sprintf("`%s`", identQuoteReplacer.Replace(in))
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}
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func serverVersion(conn mysqlc.Conn) (*version.Version, error) {
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rows, _, err := conn.Query("SELECT VERSION()")
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if err != nil {
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return nil, err
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}
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if len(rows) == 0 {
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return nil, fmt.Errorf("SELECT VERSION() returned an empty set")
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}
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return version.NewVersion(rows[0].Str(0))
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}
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