fix: inconsistent metric types in mysql (#9403)

This commit is contained in:
Felix Edelmann 2021-10-14 18:06:43 +02:00 committed by GitHub
parent d9b202a41b
commit 4194e54ceb
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 33 additions and 5 deletions

View File

@ -21,6 +21,10 @@ func ParseInt(value sql.RawBytes) (interface{}, error) {
return v, err
}
func ParseUint(value sql.RawBytes) (interface{}, error) {
return strconv.ParseUint(string(value), 10, 64)
}
func ParseBoolAsInteger(value sql.RawBytes) (interface{}, error) {
if bytes.EqualFold(value, []byte("YES")) || bytes.EqualFold(value, []byte("ON")) {
return int64(1), nil
@ -29,6 +33,10 @@ func ParseBoolAsInteger(value sql.RawBytes) (interface{}, error) {
return int64(0), nil
}
func ParseString(value sql.RawBytes) (interface{}, error) {
return string(value), nil
}
func ParseGTIDMode(value sql.RawBytes) (interface{}, error) {
// https://dev.mysql.com/doc/refman/8.0/en/replication-mode-change-online-concepts.html
v := string(value)
@ -58,6 +66,9 @@ func ParseValue(value sql.RawBytes) (interface{}, error) {
if val, err := strconv.ParseInt(string(value), 10, 64); err == nil {
return val, nil
}
if val, err := strconv.ParseUint(string(value), 10, 64); err == nil {
return val, nil
}
if val, err := strconv.ParseFloat(string(value), 64); err == nil {
return val, nil
}
@ -70,12 +81,29 @@ func ParseValue(value sql.RawBytes) (interface{}, error) {
}
var GlobalStatusConversions = map[string]ConversionFunc{
"ssl_ctx_verify_depth": ParseInt,
"ssl_verify_depth": ParseInt,
"innodb_available_undo_logs": ParseUint,
"innodb_buffer_pool_pages_misc": ParseUint,
"innodb_data_pending_fsyncs": ParseUint,
"ssl_ctx_verify_depth": ParseUint,
"ssl_verify_depth": ParseUint,
}
// see https://dev.mysql.com/doc/refman/5.7/en/server-system-variables.html
// see https://dev.mysql.com/doc/refman/8.0/en/server-system-variables.html
var GlobalVariableConversions = map[string]ConversionFunc{
"gtid_mode": ParseGTIDMode,
"delay_key_write": ParseString, // ON, OFF, ALL
"enforce_gtid_consistency": ParseString, // ON, OFF, WARN
"event_scheduler": ParseString, // YES, NO, DISABLED
"gtid_mode": ParseGTIDMode,
"have_openssl": ParseBoolAsInteger, // alias for have_ssl
"have_ssl": ParseBoolAsInteger, // YES, DISABLED
"have_symlink": ParseBoolAsInteger, // YES, NO, DISABLED
"session_track_gtids": ParseString,
"session_track_transaction_info": ParseString,
"slave_skip_errors": ParseString,
"ssl_fips_mode": ParseString,
"transaction_write_set_extraction": ParseString,
"use_secondary_engine": ParseString,
}
func ConvertGlobalStatus(key string, value sql.RawBytes) (interface{}, error) {

View File

@ -19,14 +19,14 @@ func TestConvertGlobalStatus(t *testing.T) {
name: "default",
key: "ssl_ctx_verify_depth",
value: []byte("0"),
expected: int64(0),
expected: uint64(0),
expectedErr: nil,
},
{
name: "overflow int64",
key: "ssl_ctx_verify_depth",
value: []byte("18446744073709551615"),
expected: int64(9223372036854775807),
expected: uint64(18446744073709551615),
expectedErr: nil,
},
{