fix: preserve cache calculated previously while moving from v2 to v3 (#11269)

This ensures that all the prometheus monitoring and usage
trackers to avoid alerts configured, although we cannot
support v1 to v2 here - we can v2 to v3.
This commit is contained in:
Harshavardhana
2021-01-13 09:58:08 -08:00
committed by GitHub
parent 44dff36ff7
commit 628ef081d1
3 changed files with 711 additions and 15 deletions
+428
View File
@@ -484,6 +484,277 @@ func (z *dataUsageCacheInfo) Msgsize() (s int) {
return
}
// DecodeMsg implements msgp.Decodable
func (z *dataUsageCacheV2) DecodeMsg(dc *msgp.Reader) (err error) {
var field []byte
_ = field
var zb0001 uint32
zb0001, err = dc.ReadMapHeader()
if err != nil {
err = msgp.WrapError(err)
return
}
for zb0001 > 0 {
zb0001--
field, err = dc.ReadMapKeyPtr()
if err != nil {
err = msgp.WrapError(err)
return
}
switch msgp.UnsafeString(field) {
case "Info":
err = z.Info.DecodeMsg(dc)
if err != nil {
err = msgp.WrapError(err, "Info")
return
}
case "Disks":
var zb0002 uint32
zb0002, err = dc.ReadArrayHeader()
if err != nil {
err = msgp.WrapError(err, "Disks")
return
}
if cap(z.Disks) >= int(zb0002) {
z.Disks = (z.Disks)[:zb0002]
} else {
z.Disks = make([]string, zb0002)
}
for za0001 := range z.Disks {
z.Disks[za0001], err = dc.ReadString()
if err != nil {
err = msgp.WrapError(err, "Disks", za0001)
return
}
}
case "Cache":
var zb0003 uint32
zb0003, err = dc.ReadMapHeader()
if err != nil {
err = msgp.WrapError(err, "Cache")
return
}
if z.Cache == nil {
z.Cache = make(map[string]dataUsageEntryV2, zb0003)
} else if len(z.Cache) > 0 {
for key := range z.Cache {
delete(z.Cache, key)
}
}
for zb0003 > 0 {
zb0003--
var za0002 string
var za0003 dataUsageEntryV2
za0002, err = dc.ReadString()
if err != nil {
err = msgp.WrapError(err, "Cache")
return
}
err = za0003.DecodeMsg(dc)
if err != nil {
err = msgp.WrapError(err, "Cache", za0002)
return
}
z.Cache[za0002] = za0003
}
default:
err = dc.Skip()
if err != nil {
err = msgp.WrapError(err)
return
}
}
}
return
}
// EncodeMsg implements msgp.Encodable
func (z *dataUsageCacheV2) EncodeMsg(en *msgp.Writer) (err error) {
// map header, size 3
// write "Info"
err = en.Append(0x83, 0xa4, 0x49, 0x6e, 0x66, 0x6f)
if err != nil {
return
}
err = z.Info.EncodeMsg(en)
if err != nil {
err = msgp.WrapError(err, "Info")
return
}
// write "Disks"
err = en.Append(0xa5, 0x44, 0x69, 0x73, 0x6b, 0x73)
if err != nil {
return
}
err = en.WriteArrayHeader(uint32(len(z.Disks)))
if err != nil {
err = msgp.WrapError(err, "Disks")
return
}
for za0001 := range z.Disks {
err = en.WriteString(z.Disks[za0001])
if err != nil {
err = msgp.WrapError(err, "Disks", za0001)
return
}
}
// write "Cache"
err = en.Append(0xa5, 0x43, 0x61, 0x63, 0x68, 0x65)
if err != nil {
return
}
err = en.WriteMapHeader(uint32(len(z.Cache)))
if err != nil {
err = msgp.WrapError(err, "Cache")
return
}
for za0002, za0003 := range z.Cache {
err = en.WriteString(za0002)
if err != nil {
err = msgp.WrapError(err, "Cache")
return
}
err = za0003.EncodeMsg(en)
if err != nil {
err = msgp.WrapError(err, "Cache", za0002)
return
}
}
return
}
// MarshalMsg implements msgp.Marshaler
func (z *dataUsageCacheV2) MarshalMsg(b []byte) (o []byte, err error) {
o = msgp.Require(b, z.Msgsize())
// map header, size 3
// string "Info"
o = append(o, 0x83, 0xa4, 0x49, 0x6e, 0x66, 0x6f)
o, err = z.Info.MarshalMsg(o)
if err != nil {
err = msgp.WrapError(err, "Info")
return
}
// string "Disks"
o = append(o, 0xa5, 0x44, 0x69, 0x73, 0x6b, 0x73)
o = msgp.AppendArrayHeader(o, uint32(len(z.Disks)))
for za0001 := range z.Disks {
o = msgp.AppendString(o, z.Disks[za0001])
}
// string "Cache"
o = append(o, 0xa5, 0x43, 0x61, 0x63, 0x68, 0x65)
o = msgp.AppendMapHeader(o, uint32(len(z.Cache)))
for za0002, za0003 := range z.Cache {
o = msgp.AppendString(o, za0002)
o, err = za0003.MarshalMsg(o)
if err != nil {
err = msgp.WrapError(err, "Cache", za0002)
return
}
}
return
}
// UnmarshalMsg implements msgp.Unmarshaler
func (z *dataUsageCacheV2) UnmarshalMsg(bts []byte) (o []byte, err error) {
var field []byte
_ = field
var zb0001 uint32
zb0001, bts, err = msgp.ReadMapHeaderBytes(bts)
if err != nil {
err = msgp.WrapError(err)
return
}
for zb0001 > 0 {
zb0001--
field, bts, err = msgp.ReadMapKeyZC(bts)
if err != nil {
err = msgp.WrapError(err)
return
}
switch msgp.UnsafeString(field) {
case "Info":
bts, err = z.Info.UnmarshalMsg(bts)
if err != nil {
err = msgp.WrapError(err, "Info")
return
}
case "Disks":
var zb0002 uint32
zb0002, bts, err = msgp.ReadArrayHeaderBytes(bts)
if err != nil {
err = msgp.WrapError(err, "Disks")
return
}
if cap(z.Disks) >= int(zb0002) {
z.Disks = (z.Disks)[:zb0002]
} else {
z.Disks = make([]string, zb0002)
}
for za0001 := range z.Disks {
z.Disks[za0001], bts, err = msgp.ReadStringBytes(bts)
if err != nil {
err = msgp.WrapError(err, "Disks", za0001)
return
}
}
case "Cache":
var zb0003 uint32
zb0003, bts, err = msgp.ReadMapHeaderBytes(bts)
if err != nil {
err = msgp.WrapError(err, "Cache")
return
}
if z.Cache == nil {
z.Cache = make(map[string]dataUsageEntryV2, zb0003)
} else if len(z.Cache) > 0 {
for key := range z.Cache {
delete(z.Cache, key)
}
}
for zb0003 > 0 {
var za0002 string
var za0003 dataUsageEntryV2
zb0003--
za0002, bts, err = msgp.ReadStringBytes(bts)
if err != nil {
err = msgp.WrapError(err, "Cache")
return
}
bts, err = za0003.UnmarshalMsg(bts)
if err != nil {
err = msgp.WrapError(err, "Cache", za0002)
return
}
z.Cache[za0002] = za0003
}
default:
bts, err = msgp.Skip(bts)
if err != nil {
err = msgp.WrapError(err)
return
}
}
}
o = bts
return
}
// Msgsize returns an upper bound estimate of the number of bytes occupied by the serialized message
func (z *dataUsageCacheV2) Msgsize() (s int) {
s = 1 + 5 + z.Info.Msgsize() + 6 + msgp.ArrayHeaderSize
for za0001 := range z.Disks {
s += msgp.StringPrefixSize + len(z.Disks[za0001])
}
s += 6 + msgp.MapHeaderSize
if z.Cache != nil {
for za0002, za0003 := range z.Cache {
_ = za0003
s += msgp.StringPrefixSize + len(za0002) + za0003.Msgsize()
}
}
return
}
// DecodeMsg implements msgp.Decodable
func (z *dataUsageEntry) DecodeMsg(dc *msgp.Reader) (err error) {
var zb0001 uint32
@@ -705,6 +976,163 @@ func (z *dataUsageEntry) Msgsize() (s int) {
return
}
// DecodeMsg implements msgp.Decodable
func (z *dataUsageEntryV2) DecodeMsg(dc *msgp.Reader) (err error) {
var zb0001 uint32
zb0001, err = dc.ReadArrayHeader()
if err != nil {
err = msgp.WrapError(err)
return
}
if zb0001 != 4 {
err = msgp.ArrayError{Wanted: 4, Got: zb0001}
return
}
z.Size, err = dc.ReadInt64()
if err != nil {
err = msgp.WrapError(err, "Size")
return
}
z.Objects, err = dc.ReadUint64()
if err != nil {
err = msgp.WrapError(err, "Objects")
return
}
var zb0002 uint32
zb0002, err = dc.ReadArrayHeader()
if err != nil {
err = msgp.WrapError(err, "ObjSizes")
return
}
if zb0002 != uint32(dataUsageBucketLen) {
err = msgp.ArrayError{Wanted: uint32(dataUsageBucketLen), Got: zb0002}
return
}
for za0001 := range z.ObjSizes {
z.ObjSizes[za0001], err = dc.ReadUint64()
if err != nil {
err = msgp.WrapError(err, "ObjSizes", za0001)
return
}
}
err = z.Children.DecodeMsg(dc)
if err != nil {
err = msgp.WrapError(err, "Children")
return
}
return
}
// EncodeMsg implements msgp.Encodable
func (z *dataUsageEntryV2) EncodeMsg(en *msgp.Writer) (err error) {
// array header, size 4
err = en.Append(0x94)
if err != nil {
return
}
err = en.WriteInt64(z.Size)
if err != nil {
err = msgp.WrapError(err, "Size")
return
}
err = en.WriteUint64(z.Objects)
if err != nil {
err = msgp.WrapError(err, "Objects")
return
}
err = en.WriteArrayHeader(uint32(dataUsageBucketLen))
if err != nil {
err = msgp.WrapError(err, "ObjSizes")
return
}
for za0001 := range z.ObjSizes {
err = en.WriteUint64(z.ObjSizes[za0001])
if err != nil {
err = msgp.WrapError(err, "ObjSizes", za0001)
return
}
}
err = z.Children.EncodeMsg(en)
if err != nil {
err = msgp.WrapError(err, "Children")
return
}
return
}
// MarshalMsg implements msgp.Marshaler
func (z *dataUsageEntryV2) MarshalMsg(b []byte) (o []byte, err error) {
o = msgp.Require(b, z.Msgsize())
// array header, size 4
o = append(o, 0x94)
o = msgp.AppendInt64(o, z.Size)
o = msgp.AppendUint64(o, z.Objects)
o = msgp.AppendArrayHeader(o, uint32(dataUsageBucketLen))
for za0001 := range z.ObjSizes {
o = msgp.AppendUint64(o, z.ObjSizes[za0001])
}
o, err = z.Children.MarshalMsg(o)
if err != nil {
err = msgp.WrapError(err, "Children")
return
}
return
}
// UnmarshalMsg implements msgp.Unmarshaler
func (z *dataUsageEntryV2) UnmarshalMsg(bts []byte) (o []byte, err error) {
var zb0001 uint32
zb0001, bts, err = msgp.ReadArrayHeaderBytes(bts)
if err != nil {
err = msgp.WrapError(err)
return
}
if zb0001 != 4 {
err = msgp.ArrayError{Wanted: 4, Got: zb0001}
return
}
z.Size, bts, err = msgp.ReadInt64Bytes(bts)
if err != nil {
err = msgp.WrapError(err, "Size")
return
}
z.Objects, bts, err = msgp.ReadUint64Bytes(bts)
if err != nil {
err = msgp.WrapError(err, "Objects")
return
}
var zb0002 uint32
zb0002, bts, err = msgp.ReadArrayHeaderBytes(bts)
if err != nil {
err = msgp.WrapError(err, "ObjSizes")
return
}
if zb0002 != uint32(dataUsageBucketLen) {
err = msgp.ArrayError{Wanted: uint32(dataUsageBucketLen), Got: zb0002}
return
}
for za0001 := range z.ObjSizes {
z.ObjSizes[za0001], bts, err = msgp.ReadUint64Bytes(bts)
if err != nil {
err = msgp.WrapError(err, "ObjSizes", za0001)
return
}
}
bts, err = z.Children.UnmarshalMsg(bts)
if err != nil {
err = msgp.WrapError(err, "Children")
return
}
o = bts
return
}
// Msgsize returns an upper bound estimate of the number of bytes occupied by the serialized message
func (z *dataUsageEntryV2) Msgsize() (s int) {
s = 1 + msgp.Int64Size + msgp.Uint64Size + msgp.ArrayHeaderSize + (dataUsageBucketLen * (msgp.Uint64Size)) + z.Children.Msgsize()
return
}
// DecodeMsg implements msgp.Decodable
func (z *dataUsageHash) DecodeMsg(dc *msgp.Reader) (err error) {
{