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Query label values and names are now fetched from the store. #521

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merged 4 commits into from
Jul 8, 2019
Merged

Query label values and names are now fetched from the store. #521

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043227d
Query label values and names are now fetched from the store.
cyriltovena Apr 25, 2019
6de6d70
fix http querystring and update doc
cyriltovena May 15, 2019
87bc0a5
update vendor
cyriltovena Jul 8, 2019
51ba819
rebased
cyriltovena Jul 8, 2019
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61 changes: 2 additions & 59 deletions Gopkg.lock
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17 changes: 12 additions & 5 deletions docs/api.md
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Original file line number Diff line number Diff line change
Expand Up @@ -39,7 +39,7 @@ The Loki server has the following API endpoints (_Note:_ Authentication is out o

Responses looks like this:

```
```json
{
"streams": [
{
Expand All @@ -59,11 +59,14 @@ The Loki server has the following API endpoints (_Note:_ Authentication is out o

- `GET /api/prom/label`

For retrieving the names of the labels one can query on.
For doing label name queries, accepts the following parameters in the query-string:

- `start`: the start time for the query, as a nanosecond Unix epoch (nanoseconds since 1970). Default is always 6 hour ago.
- `end`: the end time for the query, as a nanosecond Unix epoch (nanoseconds since 1970). Default is current time.

Responses looks like this:

```
```json
{
"values": [
"instance",
Expand All @@ -74,11 +77,15 @@ The Loki server has the following API endpoints (_Note:_ Authentication is out o
```

- `GET /api/prom/label/<name>/values`
For retrieving the label values one can query on.

For doing label values queries, accepts the following parameters in the query-string:

- `start`: the start time for the query, as a nanosecond Unix epoch (nanoseconds since 1970). Default is always 6 hour ago.
- `end`: the end time for the query, as a nanosecond Unix epoch (nanoseconds since 1970). Default is current time.

Responses looks like this:

```
```json
{
"values": [
"default",
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159 changes: 147 additions & 12 deletions pkg/logproto/logproto.pb.go
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2 changes: 2 additions & 0 deletions pkg/logproto/logproto.proto
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Original file line number Diff line number Diff line change
Expand Up @@ -43,6 +43,8 @@ message QueryResponse {
message LabelRequest {
string name = 1;
bool values = 2; // True to fetch label values, false for fetch labels names.
google.protobuf.Timestamp start = 3 [(gogoproto.stdtime) = true, (gogoproto.nullable) = true];
google.protobuf.Timestamp end = 4 [(gogoproto.stdtime) = true, (gogoproto.nullable) = true];
}

message LabelResponse {
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