forked from hashicorp/terraform
/
resource_circonus_check_postgresql.go
166 lines (147 loc) · 5.39 KB
/
resource_circonus_check_postgresql.go
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package circonus
import (
"bytes"
"fmt"
"strings"
"github.com/circonus-labs/circonus-gometrics/api/config"
"github.com/hashicorp/errwrap"
"github.com/hashicorp/terraform/helper/hashcode"
"github.com/hashicorp/terraform/helper/schema"
)
const (
// circonus_check.postgresql.* resource attribute names
checkPostgreSQLDSNAttr = "dsn"
// checkPostgreSQLHostAttr = "host"
// checkPostgreSQLNameAttr = "name"
// checkPostgreSQLPasswordAttr = "password"
// checkPostgreSQLPortAttr = "port"
checkPostgreSQLQueryAttr = "query"
// checkPostgreSQLSSLModeAttr = "sslmode"
// checkPostgreSQLUserAttr = "user"
)
var checkPostgreSQLDescriptions = attrDescrs{
checkPostgreSQLDSNAttr: "The connect DSN for the PostgreSQL instance",
// checkPostgreSQLHostAttr: "The Hostname to connect to",
// checkPostgreSQLNameAttr: "The database name to connect to",
// checkPostgreSQLPasswordAttr: "The password to use",
// checkPostgreSQLPortAttr: "The TCP port number to use to connect on",
checkPostgreSQLQueryAttr: "The SQL to use as the query",
// checkPostgreSQLSSLModeAttr: "The SSL Mode to connect as",
// checkPostgreSQLUserAttr: "The username to connect as",
}
var schemaCheckPostgreSQL = &schema.Schema{
Type: schema.TypeSet,
Optional: true,
MaxItems: 1,
MinItems: 1,
Set: hashCheckPostgreSQL,
Elem: &schema.Resource{
Schema: convertToHelperSchema(checkPostgreSQLDescriptions, map[schemaAttr]*schema.Schema{
checkPostgreSQLDSNAttr: &schema.Schema{
Type: schema.TypeString,
Required: true,
ValidateFunc: validateRegexp(checkPostgreSQLDSNAttr, `^.+$`),
},
// TODO(sean@): Parse out the DSN into individual PostgreSQL connect
// options.
//
// checkPostgreSQLHostAttr: &schema.Schema{
// Type: schema.TypeString,
// Optional: true,
// Default: "/tmp",
// ValidateFunc: validateRegexp(checkPostgreSQLHostAttr, `^(/.+|[\S]+)$`),
// },
// checkPostgreSQLNameAttr: &schema.Schema{
// Type: schema.TypeString,
// Required: true,
// ValidateFunc: validateRegexp(checkPostgreSQLNameAttr, `^[\S]+$`),
// },
// checkPostgreSQLPasswordAttr: &schema.Schema{
// Type: schema.TypeString,
// Optional: true,
// Sensitive: true,
// },
// checkPostgreSQLPortAttr: &schema.Schema{
// Type: schema.TypeInt,
// Optional: true,
// Default: 5432,
// ValidateFunc: validateFuncs(
// validateIntMin(checkPostgreSQLPortAttr, 1),
// validateIntMax(checkPostgreSQLPortAttr, 65535),
// ),
// },
checkPostgreSQLQueryAttr: &schema.Schema{
Type: schema.TypeString,
Required: true,
StateFunc: suppressWhitespace,
ValidateFunc: validateRegexp(checkPostgreSQLQueryAttr, `.+`),
},
// checkPostgreSQLSSLModeAttr: &schema.Schema{
// Type: schema.TypeString,
// Optional: true,
// Default: "require",
// ValidateFunc: validateRegexp(checkPostgreSQLSSLModeAttr, `^(disable|require|verify-ca|verify-full)$`),
// },
// checkPostgreSQLUserAttr: &schema.Schema{
// Type: schema.TypeString,
// Required: true,
// ValidateFunc: validateRegexp(checkPostgreSQLUserAttr, `.+`),
// },
}),
},
}
// checkAPIToStatePostgreSQL reads the Config data out of circonusCheck.CheckBundle into the
// statefile.
func checkAPIToStatePostgreSQL(c *circonusCheck, d *schema.ResourceData) error {
postgresqlConfig := make(map[string]interface{}, len(c.Config))
// TODO(sean@): Parse out the DSN into individual PostgreSQL connect options
postgresqlConfig[string(checkPostgreSQLDSNAttr)] = c.Config[config.DSN]
postgresqlConfig[string(checkPostgreSQLQueryAttr)] = c.Config[config.SQL]
if err := d.Set(checkPostgreSQLAttr, schema.NewSet(hashCheckPostgreSQL, []interface{}{postgresqlConfig})); err != nil {
return errwrap.Wrapf(fmt.Sprintf("Unable to store check %q attribute: {{err}}", checkPostgreSQLAttr), err)
}
return nil
}
// hashCheckPostgreSQL creates a stable hash of the normalized values
func hashCheckPostgreSQL(v interface{}) int {
m := v.(map[string]interface{})
b := &bytes.Buffer{}
b.Grow(defaultHashBufSize)
// writeInt := func(attrName schemaAttr) {
// if v, ok := m[string(attrName)]; ok {
// fmt.Fprintf(b, "%x", v.(int))
// }
// }
writeString := func(attrName schemaAttr) {
if v, ok := m[string(attrName)]; ok && v.(string) != "" {
fmt.Fprint(b, strings.TrimSpace(v.(string)))
}
}
// Order writes to the buffer using lexically sorted list for easy visual
// reconciliation with other lists.
writeString(checkPostgreSQLDSNAttr)
// writeString(checkPostgreSQLHostAttr)
// writeString(checkPostgreSQLNameAttr)
// writeString(checkPostgreSQLPasswordAttr)
// writeInt(checkPostgreSQLPortAttr)
// writeString(checkPostgreSQLSSLModeAttr)
writeString(checkPostgreSQLQueryAttr)
// writeString(checkPostgreSQLUserAttr)
s := b.String()
return hashcode.String(s)
}
func checkConfigToAPIPostgreSQL(c *circonusCheck, l interfaceList) error {
c.Type = string(apiCheckTypePostgreSQL)
// Iterate over all `postgres` attributes, even though we have a max of 1 in
// the schema.
for _, mapRaw := range l {
postgresConfig := newInterfaceMap(mapRaw)
if v, found := postgresConfig[checkPostgreSQLDSNAttr]; found {
c.Config[config.DSN] = v.(string)
}
if v, found := postgresConfig[checkPostgreSQLQueryAttr]; found {
c.Config[config.SQL] = v.(string)
}
}
return nil
}