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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,6 +1,6 @@ | ||
| module github.com/dolthub/vitess | ||
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| go 1.19 | ||
| go 1.22 | ||
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| require ( | ||
| github.com/stretchr/testify v1.4.0 | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,70 @@ | ||
| // Copyright 2023 Dolthub, Inc. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
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| // +build linux | ||
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| package mysql | ||
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| import ( | ||
| "fmt" | ||
| "io/ioutil" | ||
| "os" | ||
| "syscall" | ||
| "testing" | ||
| "time" | ||
| ) | ||
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| func TestStaticConfigHUP(t *testing.T) { | ||
| tmpFile, err := ioutil.TempFile("", "mysql_auth_server_static_file.json") | ||
| if err != nil { | ||
| t.Fatalf("couldn't create temp file: %v", err) | ||
| } | ||
| defer os.Remove(tmpFile.Name()) | ||
| oldStr := "str5" | ||
| jsonConfig := fmt.Sprintf("{\"%s\":[{\"Password\":\"%s\"}]}", oldStr, oldStr) | ||
| if err := ioutil.WriteFile(tmpFile.Name(), []byte(jsonConfig), 0600); err != nil { | ||
| t.Fatalf("couldn't write temp file: %v", err) | ||
| } | ||
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| aStatic := NewAuthServerStatic(tmpFile.Name(), "", 0) | ||
| defer aStatic.close() | ||
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| if aStatic.getEntries()[oldStr][0].Password != oldStr { | ||
| t.Fatalf("%s's Password should still be '%s'", oldStr, oldStr) | ||
| } | ||
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| hupTest(t, aStatic, tmpFile, oldStr, "str2") | ||
| hupTest(t, aStatic, tmpFile, "str2", "str3") // still handling the signal | ||
| } | ||
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| func hupTest(t *testing.T, aStatic *AuthServerStatic, tmpFile *os.File, oldStr, newStr string) { | ||
| jsonConfig := fmt.Sprintf("{\"%s\":[{\"Password\":\"%s\"}]}", newStr, newStr) | ||
| if err := ioutil.WriteFile(tmpFile.Name(), []byte(jsonConfig), 0600); err != nil { | ||
| t.Fatalf("couldn't overwrite temp file: %v", err) | ||
| } | ||
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| if aStatic.getEntries()[oldStr][0].Password != oldStr { | ||
| t.Fatalf("%s's Password should still be '%s'", oldStr, oldStr) | ||
| } | ||
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| syscall.Kill(syscall.Getpid(), syscall.SIGHUP) | ||
| time.Sleep(100 * time.Millisecond) // wait for signal handler | ||
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| if aStatic.getEntries()[oldStr] != nil { | ||
| t.Fatalf("Should not have old %s after config reload", oldStr) | ||
| } | ||
| if aStatic.getEntries()[newStr][0].Password != newStr { | ||
| t.Fatalf("%s's Password should be '%s'", newStr, newStr) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,98 @@ | ||
| /* | ||
| Copyright 2022 The Vitess Authors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
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| package mysql | ||
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| import ( | ||
| "encoding/binary" | ||
| vtrpcpb "github.com/dolthub/vitess/go/vt/proto/vtrpc" | ||
| "github.com/dolthub/vitess/go/vt/vterrors" | ||
| "io" | ||
| ) | ||
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| var ( | ||
| // BinglogMagicNumber is 4-byte number at the beginning of every binary log | ||
| BinglogMagicNumber = []byte{0xfe, 0x62, 0x69, 0x6e} | ||
| readPacketErr = vterrors.Errorf(vtrpcpb.Code_INTERNAL, "error reading BinlogDumpGTID packet") | ||
| ) | ||
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| const ( | ||
| BinlogDumpNonBlock = 0x01 | ||
| BinlogThroughPosition = 0x02 | ||
| BinlogThroughGTID = 0x04 | ||
| ) | ||
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| func (c *Conn) parseComBinlogDump(data []byte) (logFile string, binlogPos uint32, err error) { | ||
| pos := 1 | ||
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| binlogPos, pos, ok := readUint32(data, pos) | ||
| if !ok { | ||
| return logFile, binlogPos, readPacketErr | ||
| } | ||
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| pos += 2 // flags | ||
| pos += 4 // server-id | ||
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| logFile = string(data[pos:]) | ||
| return logFile, binlogPos, nil | ||
| } | ||
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| func (c *Conn) parseComBinlogDumpGTID(data []byte) (logFile string, logPos uint64, position Position, err error) { | ||
| // see https://dev.mysql.com/doc/internals/en/com-binlog-dump-gtid.html | ||
| pos := 1 | ||
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| flags := binary.LittleEndian.Uint16(data[pos : pos+2]) | ||
| pos += 2 // flags | ||
| pos += 4 // server-id | ||
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| fileNameLen, pos, ok := readUint32(data, pos) | ||
| if !ok { | ||
| return logFile, logPos, position, readPacketErr | ||
| } | ||
| logFile = string(data[pos : pos+int(fileNameLen)]) | ||
| pos += int(fileNameLen) | ||
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| logPos, pos, ok = readUint64(data, pos) | ||
| if !ok { | ||
| return logFile, logPos, position, readPacketErr | ||
| } | ||
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| if flags&BinlogDumpNonBlock != 0 { | ||
| return logFile, logPos, position, io.EOF | ||
| } | ||
| if flags&BinlogThroughGTID != 0 { | ||
| dataSize, pos, ok := readUint32(data, pos) | ||
| if !ok { | ||
| return logFile, logPos, position, readPacketErr | ||
| } | ||
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| gtidBytes := data[pos : pos+int(dataSize)] | ||
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| // NOTE: A MySQL 8.0 replica sends the GTID set as binary data, not as a human-readable string. | ||
| // The main Vitess codebase was parsing a human-readable string and then using DecodePosition | ||
| // to parse it, but that doesn't seem to actually work with real MySQL replicas, so we | ||
| // diverge here from their implementation. | ||
| gtidSet, err := NewMysql56GTIDSetFromSIDBlock(gtidBytes) | ||
| if err != nil { | ||
| return logFile, logPos, position, err | ||
| } | ||
| position = Position{ | ||
| GTIDSet: gtidSet, | ||
| } | ||
| } | ||
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| return logFile, logPos, position, nil | ||
| } |
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