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app/vminsert: skip empty tags

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This commit is contained in:
Aliaksandr Valialkin 2019-08-24 13:35:29 +03:00
parent 70ca018a57
commit 9c9221d1b2
8 changed files with 50 additions and 37 deletions
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14
app/vminsert/graphite/parser.go
View file

@ -80,6 +80,9 @@ func (r *Row) unmarshal(s string, tagsPool []Tag) ([]Tag, error) {
tags := tagsPool[tagsStart:]
r.Tags = tags[:len(tags):len(tags)]
}
if len(r.Metric) == 0 {
return tagsPool, fmt.Errorf("metric cannot be empty")
}
n = strings.IndexByte(tail, ' ')
if n < 0 {
@ -147,12 +150,20 @@ func unmarshalTags(dst []Tag, s string) ([]Tag, error) {
if err := tag.unmarshal(s); err != nil {
return dst[:len(dst)-1], err
}
if len(tag.Key) == 0 || len(tag.Value) == 0 {
// Skip empty tag
dst = dst[:len(dst)-1]
}
return dst, nil
}
if err := tag.unmarshal(s[:n]); err != nil {
return dst[:len(dst)-1], err
}
s = s[n+1:]
if len(tag.Key) == 0 || len(tag.Value) == 0 {
// Skip empty tag
dst = dst[:len(dst)-1]
}
}
}
@ -174,9 +185,6 @@ func (t *Tag) unmarshal(s string) error {
return fmt.Errorf("missing tag value for %q", s)
}
t.Key = s[:n]
if len(t.Key) == 0 {
return fmt.Errorf("tag key cannot be empty for %q", s)
}
t.Value = s[n+1:]
return nil
}

11
app/vminsert/graphite/parser_test.go
View file

@ -21,6 +21,9 @@ func TestRowsUnmarshalFailure(t *testing.T) {
}
}
// Missing metric
f(" 123 455")
// Missing value
f("aaa")
@ -29,7 +32,6 @@ func TestRowsUnmarshalFailure(t *testing.T) {
// missing tag value
f("aa;bb 23 34")
f("aa;=dsd 234 45")
}
func TestRowsUnmarshalSuccess(t *testing.T) {
@ -95,7 +97,8 @@ func TestRowsUnmarshalSuccess(t *testing.T) {
Timestamp: 2,
}},
})
f("foo;bar=baz;aa=;x=y 1 2", &Rows{
// Empty tags
f("foo;bar=baz;aa=;x=y;=z 1 2", &Rows{
Rows: []Row{{
Metric: "foo",
Tags: []Tag{
@ -103,10 +106,6 @@ func TestRowsUnmarshalSuccess(t *testing.T) {
Key: "bar",
Value: "baz",
},
{
Key: "aa",
Value: "",
},
{
Key: "x",
Value: "y",

15
app/vminsert/influx/parser.go
View file

@ -137,9 +137,6 @@ func (tag *Tag) unmarshal(s string, noEscapeChars bool) error {
return fmt.Errorf("missing tag value for %q", s)
}
tag.Key = unescapeTagValue(s[:n], noEscapeChars)
if len(tag.Key) == 0 {
return fmt.Errorf("tag key cannot be empty")
}
tag.Value = unescapeTagValue(s[n+1:], noEscapeChars)
return nil
}
@ -229,14 +226,22 @@ func unmarshalTags(dst []Tag, s string, noEscapeChars bool) ([]Tag, error) {
n := nextUnescapedChar(s, ',', noEscapeChars)
if n < 0 {
if err := tag.unmarshal(s, noEscapeChars); err != nil {
return dst, err
return dst[:len(dst)-1], err
}
if len(tag.Key) == 0 || len(tag.Value) == 0 {
// Skip empty tag
dst = dst[:len(dst)-1]
}
return dst, nil
}
if err := tag.unmarshal(s[:n], noEscapeChars); err != nil {
return dst, err
return dst[:len(dst)-1], err
}
s = s[n+1:]
if len(tag.Key) == 0 || len(tag.Value) == 0 {
// Skip empty tag
dst = dst[:len(dst)-1]
}
}
}

10
app/vminsert/influx/parser_test.go
View file

@ -96,12 +96,8 @@ func TestRowsUnmarshalFailure(t *testing.T) {
// Missing tag value
f("foo,bar")
f("foo,bar baz")
f("foo,bar= baz")
f("foo,bar=123, 123")
// Missing tag name
f("foo,=bar baz=234")
// Missing field value
f("foo bar")
f("foo bar=")
@ -229,7 +225,7 @@ func TestRowsUnmarshalSuccess(t *testing.T) {
})
// Line with empty tag values
f("foo,tag1=xyz,tagN=,tag2=43as bar=123", &Rows{
f("foo,tag1=xyz,tagN=,tag2=43as,=xxx bar=123", &Rows{
Rows: []Row{{
Measurement: "foo",
Tags: []Tag{
@ -237,10 +233,6 @@ func TestRowsUnmarshalSuccess(t *testing.T) {
Key: "tag1",
Value: "xyz",
},
{
Key: "tagN",
Value: "",
},
{
Key: "tag2",
Value: "43as",

14
app/vminsert/opentsdb/parser.go
View file

@ -66,6 +66,9 @@ func (r *Row) unmarshal(s string, tagsPool []Tag) ([]Tag, error) {
return tagsPool, fmt.Errorf("cannot find whitespace between metric and timestamp in %q", s)
}
r.Metric = s[:n]
if len(r.Metric) == 0 {
return tagsPool, fmt.Errorf("metric cannot be empty")
}
tail := s[n+1:]
n = strings.IndexByte(tail, ' ')
if n < 0 {
@ -144,12 +147,20 @@ func unmarshalTags(dst []Tag, s string) ([]Tag, error) {
if err := tag.unmarshal(s); err != nil {
return dst[:len(dst)-1], err
}
if len(tag.Key) == 0 || len(tag.Value) == 0 {
// Skip empty tag
dst = dst[:len(dst)-1]
}
return dst, nil
}
if err := tag.unmarshal(s[:n]); err != nil {
return dst[:len(dst)-1], err
}
s = s[n+1:]
if len(tag.Key) == 0 || len(tag.Value) == 0 {
// Skip empty tag
dst = dst[:len(dst)-1]
}
}
}
@ -171,9 +182,6 @@ func (t *Tag) unmarshal(s string) error {
return fmt.Errorf("missing tag value for %q", s)
}
t.Key = s[:n]
if len(t.Key) == 0 {
return fmt.Errorf("tag key cannot be empty for %q", s)
}
t.Value = s[n+1:]
return nil
}

14
app/vminsert/opentsdb/parser_test.go
View file

@ -24,6 +24,9 @@ func TestRowsUnmarshalFailure(t *testing.T) {
// Missing put prefix
f("xx")
// Missing metric
f("put 111 34")
// Missing timestamp
f("put aaa")
@ -44,9 +47,6 @@ func TestRowsUnmarshalFailure(t *testing.T) {
// Invalid tag
f("put aaa 123 4.5 foo")
f("put aaa 123 4.5 =")
f("put aaa 123 4.5 =foo")
f("put aaa 123 4.5 =foo a=b")
}
func TestRowsUnmarshalSuccess(t *testing.T) {
@ -88,17 +88,13 @@ func TestRowsUnmarshalSuccess(t *testing.T) {
}},
}},
})
// Empty tag value
f("put foobar 789 -123.456 a= b=c", &Rows{
// Empty tag
f("put foobar 789 -123.456 a= b=c =d", &Rows{
Rows: []Row{{
Metric: "foobar",
Value: -123.456,
Timestamp: 789,
Tags: []Tag{
{
Key: "a",
Value: "",
},
{
Key: "b",
Value: "c",

6
app/vminsert/opentsdbhttp/parser.go
View file

@ -58,7 +58,7 @@ func (r *Row) reset() {
func (r *Row) unmarshal(o *fastjson.Value, tagsPool []Tag) ([]Tag, error) {
r.reset()
m := o.GetStringBytes("metric")
if m == nil {
if len(m) == 0 {
return tagsPool, fmt.Errorf("missing `metric` in %s", o)
}
r.Metric = bytesutil.ToUnsafeString(m)
@ -165,6 +165,10 @@ func unmarshalTags(dst []Tag, o *fastjson.Object) ([]Tag, error) {
err = fmt.Errorf("tag value must be string; got %s; value=%s", v.Type(), v)
return
}
if len(k) == 0 {
// Skip empty tags
return
}
vStr, _ := v.StringBytes()
if len(vStr) == 0 {
// Skip empty tags

3
app/vminsert/opentsdbhttp/parser_test.go
View file

@ -50,6 +50,7 @@ func TestRowsUnmarshalFailure(t *testing.T) {
f(`{"metric": "aaa", "timestamp": 1122, "value": "0.0.0"}`)
// Invalid metric type
f(`{"metric": "", "timestamp": 1122, "value": 0.45, "tags": {"foo": "bar"}}`)
f(`{"metric": ["aaa"], "timestamp": 1122, "value": 0.45, "tags": {"foo": "bar"}}`)
f(`{"metric": {"aaa":1}, "timestamp": 1122, "value": 0.45, "tags": {"foo": "bar"}}`)
f(`{"metric": 1, "timestamp": 1122, "value": 0.45, "tags": {"foo": "bar"}}`)
@ -161,7 +162,7 @@ func TestRowsUnmarshalSuccess(t *testing.T) {
}},
})
// Empty tag value
f(`{"metric": "foobar", "timestamp": 123, "value": -123.456, "tags": {"a":"", "b":"c"}}`, &Rows{
f(`{"metric": "foobar", "timestamp": 123, "value": -123.456, "tags": {"a":"", "b":"c", "": "d"}}`, &Rows{
Rows: []Row{{
Metric: "foobar",
Value: -123.456,