mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-12-14 16:12:15 +01:00
app/vmselect/graphite: properly handle case when /metrics/find finds both leaf and node for the given query=prefix.*
In this case only node must be returned with stripped dot in the end of id as carbonapi does
This commit is contained in:
Aliaksandr Valialkin
parent
ffa6581c46
commit
e66f7edfc9
@ -83,10 +83,10 @@ func MetricsFindHandler(startTime time.Time, at *auth.Token, w http.ResponseWrit
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if isPartial && searchutils.GetDenyPartialResponse(r) {
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return fmt.Errorf("cannot return full response, since some of vmstorage nodes are unavailable")
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}
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paths = deduplicatePaths(paths)
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if leavesOnly {
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paths = filterLeaves(paths, delimiter)
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}
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paths = deduplicatePaths(paths, delimiter)
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sortPaths(paths, delimiter)
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contentType := "application/json"
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if jsonp != "" {
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@ -103,13 +103,38 @@ func MetricsFindHandler(startTime time.Time, at *auth.Token, w http.ResponseWrit
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return nil
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}
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func deduplicatePaths(paths []string) []string {
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m := make(map[string]struct{}, len(paths))
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for _, path := range paths {
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m[path] = struct{}{}
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func deduplicatePaths(paths []string, delimiter string) []string {
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if len(paths) == 0 {
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return nil
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}
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dst := make([]string, 0, len(m))
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for path := range m {
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sort.Strings(paths)
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// remove duplicates
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dst := paths[:1]
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for _, path := range paths[1:] {
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prevPath := dst[len(dst)-1]
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if path == prevPath {
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// Skip duplicate path.
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continue
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}
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dst = append(dst, path)
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}
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paths = dst
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// substitute `path` and `path<delimiter>` with `path<delimiter><delimiter>` like carbonapi does.
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// Such path is treated specially during rendering - see metrics_find_response.qtpl for details.
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dst = paths[:1]
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for _, path := range paths[1:] {
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prevPath := dst[len(dst)-1]
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if len(path) == len(prevPath)+1 && strings.HasSuffix(path, delimiter) && strings.HasPrefix(path, prevPath) {
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// The path is equivalent to <prevPath> + <delimiter>
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// Overwrite the prevPath with <path> + <delimiter> as carbonapi does.
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// I.e. the resulting path ends with double delimiter.
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// Such path is treated specially during rendering - see metrics_find_response.qtpl for details.
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dst[len(dst)-1] = path + delimiter
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continue
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}
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dst = append(dst, path)
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}
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return dst
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@ -46,14 +46,20 @@ See https://graphite-api.readthedocs.io/en/latest/api.html#metrics-find
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{% for i, path := range paths %}
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{
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{% code
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id := path
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allowChildren := "0"
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isLeaf := "1"
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if strings.HasSuffix(path, delimiter) {
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if strings.HasSuffix(id, delimiter) {
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if strings.HasSuffix(id[:len(id)-1], delimiter) {
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// Special case when id ends with double delimiter.
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// See deduplicatePaths() code for details.
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id = id[:len(id)-2]
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}
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allowChildren = "1"
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isLeaf = "0"
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}
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%}
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"id": {%q= path %},
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"id": {%q= id %},
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"text": {%= metricPathName(path, delimiter) %},
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"allowChildren": {%s= allowChildren %},
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"expandable": {%s= allowChildren %},
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@ -170,48 +170,54 @@ func streammetricsFindResponseTreeJSON(qw422016 *qt422016.Writer, paths []string
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//line app/vmselect/graphite/metrics_find_response.qtpl:46
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qw422016.N().S(`{`)
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//line app/vmselect/graphite/metrics_find_response.qtpl:49
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id := path
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allowChildren := "0"
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isLeaf := "1"
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if strings.HasSuffix(path, delimiter) {
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if strings.HasSuffix(id, delimiter) {
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if strings.HasSuffix(id[:len(id)-1], delimiter) {
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// Special case when id ends with double delimiter.
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// See deduplicatePaths() code for details.
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id = id[:len(id)-2]
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}
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allowChildren = "1"
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isLeaf = "0"
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}
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//line app/vmselect/graphite/metrics_find_response.qtpl:55
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//line app/vmselect/graphite/metrics_find_response.qtpl:61
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qw422016.N().S(`"id":`)
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//line app/vmselect/graphite/metrics_find_response.qtpl:56
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qw422016.N().Q(path)
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//line app/vmselect/graphite/metrics_find_response.qtpl:56
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//line app/vmselect/graphite/metrics_find_response.qtpl:62
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qw422016.N().Q(id)
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//line app/vmselect/graphite/metrics_find_response.qtpl:62
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qw422016.N().S(`,"text":`)
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//line app/vmselect/graphite/metrics_find_response.qtpl:57
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streammetricPathName(qw422016, path, delimiter)
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//line app/vmselect/graphite/metrics_find_response.qtpl:57
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qw422016.N().S(`,"allowChildren":`)
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//line app/vmselect/graphite/metrics_find_response.qtpl:58
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qw422016.N().S(allowChildren)
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//line app/vmselect/graphite/metrics_find_response.qtpl:58
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qw422016.N().S(`,"expandable":`)
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//line app/vmselect/graphite/metrics_find_response.qtpl:59
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qw422016.N().S(allowChildren)
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//line app/vmselect/graphite/metrics_find_response.qtpl:59
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qw422016.N().S(`,"leaf":`)
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//line app/vmselect/graphite/metrics_find_response.qtpl:60
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qw422016.N().S(isLeaf)
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//line app/vmselect/graphite/metrics_find_response.qtpl:60
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qw422016.N().S(`}`)
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//line app/vmselect/graphite/metrics_find_response.qtpl:62
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if i+1 < len(paths) {
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//line app/vmselect/graphite/metrics_find_response.qtpl:62
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qw422016.N().S(`,`)
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//line app/vmselect/graphite/metrics_find_response.qtpl:62
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}
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//line app/vmselect/graphite/metrics_find_response.qtpl:63
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streammetricPathName(qw422016, path, delimiter)
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//line app/vmselect/graphite/metrics_find_response.qtpl:63
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qw422016.N().S(`,"allowChildren":`)
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//line app/vmselect/graphite/metrics_find_response.qtpl:64
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qw422016.N().S(allowChildren)
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//line app/vmselect/graphite/metrics_find_response.qtpl:64
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qw422016.N().S(`,"expandable":`)
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//line app/vmselect/graphite/metrics_find_response.qtpl:65
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qw422016.N().S(allowChildren)
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//line app/vmselect/graphite/metrics_find_response.qtpl:65
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qw422016.N().S(`,"leaf":`)
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//line app/vmselect/graphite/metrics_find_response.qtpl:66
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qw422016.N().S(isLeaf)
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//line app/vmselect/graphite/metrics_find_response.qtpl:66
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qw422016.N().S(`}`)
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//line app/vmselect/graphite/metrics_find_response.qtpl:68
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if i+1 < len(paths) {
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//line app/vmselect/graphite/metrics_find_response.qtpl:68
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qw422016.N().S(`,`)
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//line app/vmselect/graphite/metrics_find_response.qtpl:68
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}
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//line app/vmselect/graphite/metrics_find_response.qtpl:69
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}
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//line app/vmselect/graphite/metrics_find_response.qtpl:64
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//line app/vmselect/graphite/metrics_find_response.qtpl:70
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if addWildcards && len(paths) > 1 {
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//line app/vmselect/graphite/metrics_find_response.qtpl:64
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//line app/vmselect/graphite/metrics_find_response.qtpl:70
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qw422016.N().S(`,{`)
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//line app/vmselect/graphite/metrics_find_response.qtpl:67
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//line app/vmselect/graphite/metrics_find_response.qtpl:73
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path := paths[0]
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for strings.HasSuffix(path, delimiter) {
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path = path[:len(path)-1]
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@ -232,60 +238,60 @@ func streammetricsFindResponseTreeJSON(qw422016 *qt422016.Writer, paths []string
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}
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}
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//line app/vmselect/graphite/metrics_find_response.qtpl:86
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//line app/vmselect/graphite/metrics_find_response.qtpl:92
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qw422016.N().S(`"id":`)
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//line app/vmselect/graphite/metrics_find_response.qtpl:87
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//line app/vmselect/graphite/metrics_find_response.qtpl:93
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qw422016.N().Q(id)
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//line app/vmselect/graphite/metrics_find_response.qtpl:87
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//line app/vmselect/graphite/metrics_find_response.qtpl:93
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qw422016.N().S(`,"text": "*","allowChildren":`)
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//line app/vmselect/graphite/metrics_find_response.qtpl:89
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//line app/vmselect/graphite/metrics_find_response.qtpl:95
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qw422016.N().S(allowChildren)
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//line app/vmselect/graphite/metrics_find_response.qtpl:89
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//line app/vmselect/graphite/metrics_find_response.qtpl:95
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qw422016.N().S(`,"expandable":`)
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//line app/vmselect/graphite/metrics_find_response.qtpl:90
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//line app/vmselect/graphite/metrics_find_response.qtpl:96
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qw422016.N().S(allowChildren)
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//line app/vmselect/graphite/metrics_find_response.qtpl:90
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//line app/vmselect/graphite/metrics_find_response.qtpl:96
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qw422016.N().S(`,"leaf":`)
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//line app/vmselect/graphite/metrics_find_response.qtpl:91
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qw422016.N().S(isLeaf)
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//line app/vmselect/graphite/metrics_find_response.qtpl:91
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qw422016.N().S(`}`)
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//line app/vmselect/graphite/metrics_find_response.qtpl:93
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}
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//line app/vmselect/graphite/metrics_find_response.qtpl:93
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qw422016.N().S(`]`)
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//line app/vmselect/graphite/metrics_find_response.qtpl:95
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}
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//line app/vmselect/graphite/metrics_find_response.qtpl:95
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func writemetricsFindResponseTreeJSON(qq422016 qtio422016.Writer, paths []string, delimiter string, addWildcards bool) {
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//line app/vmselect/graphite/metrics_find_response.qtpl:95
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qw422016 := qt422016.AcquireWriter(qq422016)
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//line app/vmselect/graphite/metrics_find_response.qtpl:95
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streammetricsFindResponseTreeJSON(qw422016, paths, delimiter, addWildcards)
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//line app/vmselect/graphite/metrics_find_response.qtpl:95
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qt422016.ReleaseWriter(qw422016)
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//line app/vmselect/graphite/metrics_find_response.qtpl:95
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}
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//line app/vmselect/graphite/metrics_find_response.qtpl:95
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func metricsFindResponseTreeJSON(paths []string, delimiter string, addWildcards bool) string {
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//line app/vmselect/graphite/metrics_find_response.qtpl:95
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qb422016 := qt422016.AcquireByteBuffer()
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//line app/vmselect/graphite/metrics_find_response.qtpl:95
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writemetricsFindResponseTreeJSON(qb422016, paths, delimiter, addWildcards)
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//line app/vmselect/graphite/metrics_find_response.qtpl:95
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qs422016 := string(qb422016.B)
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//line app/vmselect/graphite/metrics_find_response.qtpl:95
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qt422016.ReleaseByteBuffer(qb422016)
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//line app/vmselect/graphite/metrics_find_response.qtpl:95
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return qs422016
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//line app/vmselect/graphite/metrics_find_response.qtpl:95
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}
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//line app/vmselect/graphite/metrics_find_response.qtpl:97
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func streammetricPathName(qw422016 *qt422016.Writer, path, delimiter string) {
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qw422016.N().S(isLeaf)
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//line app/vmselect/graphite/metrics_find_response.qtpl:97
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qw422016.N().S(`}`)
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//line app/vmselect/graphite/metrics_find_response.qtpl:99
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}
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//line app/vmselect/graphite/metrics_find_response.qtpl:99
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qw422016.N().S(`]`)
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//line app/vmselect/graphite/metrics_find_response.qtpl:101
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}
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//line app/vmselect/graphite/metrics_find_response.qtpl:101
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func writemetricsFindResponseTreeJSON(qq422016 qtio422016.Writer, paths []string, delimiter string, addWildcards bool) {
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//line app/vmselect/graphite/metrics_find_response.qtpl:101
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qw422016 := qt422016.AcquireWriter(qq422016)
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//line app/vmselect/graphite/metrics_find_response.qtpl:101
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streammetricsFindResponseTreeJSON(qw422016, paths, delimiter, addWildcards)
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//line app/vmselect/graphite/metrics_find_response.qtpl:101
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qt422016.ReleaseWriter(qw422016)
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//line app/vmselect/graphite/metrics_find_response.qtpl:101
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}
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//line app/vmselect/graphite/metrics_find_response.qtpl:101
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func metricsFindResponseTreeJSON(paths []string, delimiter string, addWildcards bool) string {
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//line app/vmselect/graphite/metrics_find_response.qtpl:101
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qb422016 := qt422016.AcquireByteBuffer()
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//line app/vmselect/graphite/metrics_find_response.qtpl:101
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writemetricsFindResponseTreeJSON(qb422016, paths, delimiter, addWildcards)
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//line app/vmselect/graphite/metrics_find_response.qtpl:101
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qs422016 := string(qb422016.B)
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//line app/vmselect/graphite/metrics_find_response.qtpl:101
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qt422016.ReleaseByteBuffer(qb422016)
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//line app/vmselect/graphite/metrics_find_response.qtpl:101
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return qs422016
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//line app/vmselect/graphite/metrics_find_response.qtpl:101
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}
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//line app/vmselect/graphite/metrics_find_response.qtpl:103
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func streammetricPathName(qw422016 *qt422016.Writer, path, delimiter string) {
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//line app/vmselect/graphite/metrics_find_response.qtpl:105
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name := path
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for strings.HasSuffix(name, delimiter) {
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name = name[:len(name)-1]
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@ -294,33 +300,33 @@ func streammetricPathName(qw422016 *qt422016.Writer, path, delimiter string) {
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name = name[n+1:]
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}
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//line app/vmselect/graphite/metrics_find_response.qtpl:107
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//line app/vmselect/graphite/metrics_find_response.qtpl:113
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qw422016.N().Q(name)
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//line app/vmselect/graphite/metrics_find_response.qtpl:108
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//line app/vmselect/graphite/metrics_find_response.qtpl:114
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}
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//line app/vmselect/graphite/metrics_find_response.qtpl:108
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//line app/vmselect/graphite/metrics_find_response.qtpl:114
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func writemetricPathName(qq422016 qtio422016.Writer, path, delimiter string) {
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//line app/vmselect/graphite/metrics_find_response.qtpl:108
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//line app/vmselect/graphite/metrics_find_response.qtpl:114
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qw422016 := qt422016.AcquireWriter(qq422016)
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//line app/vmselect/graphite/metrics_find_response.qtpl:108
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//line app/vmselect/graphite/metrics_find_response.qtpl:114
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streammetricPathName(qw422016, path, delimiter)
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//line app/vmselect/graphite/metrics_find_response.qtpl:108
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//line app/vmselect/graphite/metrics_find_response.qtpl:114
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qt422016.ReleaseWriter(qw422016)
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//line app/vmselect/graphite/metrics_find_response.qtpl:108
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//line app/vmselect/graphite/metrics_find_response.qtpl:114
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}
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//line app/vmselect/graphite/metrics_find_response.qtpl:108
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//line app/vmselect/graphite/metrics_find_response.qtpl:114
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func metricPathName(path, delimiter string) string {
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//line app/vmselect/graphite/metrics_find_response.qtpl:108
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//line app/vmselect/graphite/metrics_find_response.qtpl:114
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qb422016 := qt422016.AcquireByteBuffer()
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//line app/vmselect/graphite/metrics_find_response.qtpl:108
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//line app/vmselect/graphite/metrics_find_response.qtpl:114
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writemetricPathName(qb422016, path, delimiter)
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//line app/vmselect/graphite/metrics_find_response.qtpl:108
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//line app/vmselect/graphite/metrics_find_response.qtpl:114
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qs422016 := string(qb422016.B)
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//line app/vmselect/graphite/metrics_find_response.qtpl:108
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//line app/vmselect/graphite/metrics_find_response.qtpl:114
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qt422016.ReleaseByteBuffer(qb422016)
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//line app/vmselect/graphite/metrics_find_response.qtpl:108
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//line app/vmselect/graphite/metrics_find_response.qtpl:114
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return qs422016
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//line app/vmselect/graphite/metrics_find_response.qtpl:108
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//line app/vmselect/graphite/metrics_find_response.qtpl:114
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}
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