diff options
Diffstat (limited to 'vendor/github.com/prometheus/common/expfmt/expfmt.go')
| -rw-r--r-- | vendor/github.com/prometheus/common/expfmt/expfmt.go | 76 |
1 files changed, 53 insertions, 23 deletions
diff --git a/vendor/github.com/prometheus/common/expfmt/expfmt.go b/vendor/github.com/prometheus/common/expfmt/expfmt.go index 051b38cd1..d942af8ed 100644 --- a/vendor/github.com/prometheus/common/expfmt/expfmt.go +++ b/vendor/github.com/prometheus/common/expfmt/expfmt.go @@ -32,24 +32,31 @@ type Format string // it on the wire, new content-type strings will have to be agreed upon and // added here. const ( - TextVersion = "0.0.4" - ProtoType = `application/vnd.google.protobuf` - ProtoProtocol = `io.prometheus.client.MetricFamily` - protoFmt = ProtoType + "; proto=" + ProtoProtocol + ";" + TextVersion = "0.0.4" + ProtoType = `application/vnd.google.protobuf` + ProtoProtocol = `io.prometheus.client.MetricFamily` + // Deprecated: Use expfmt.NewFormat(expfmt.TypeProtoCompact) instead. + ProtoFmt = ProtoType + "; proto=" + ProtoProtocol + ";" OpenMetricsType = `application/openmetrics-text` OpenMetricsVersion_0_0_1 = "0.0.1" OpenMetricsVersion_1_0_0 = "1.0.0" - // The Content-Type values for the different wire protocols. Note that these - // values are now unexported. If code was relying on comparisons to these - // constants, instead use FormatType(). - fmtUnknown Format = `<unknown>` - fmtText Format = `text/plain; version=` + TextVersion + `; charset=utf-8` - fmtProtoDelim Format = protoFmt + ` encoding=delimited` - fmtProtoText Format = protoFmt + ` encoding=text` - fmtProtoCompact Format = protoFmt + ` encoding=compact-text` - fmtOpenMetrics_1_0_0 Format = OpenMetricsType + `; version=` + OpenMetricsVersion_1_0_0 + `; charset=utf-8` - fmtOpenMetrics_0_0_1 Format = OpenMetricsType + `; version=` + OpenMetricsVersion_0_0_1 + `; charset=utf-8` + // The Content-Type values for the different wire protocols. Do not do direct + // comparisons to these constants, instead use the comparison functions. + // Deprecated: Use expfmt.NewFormat(expfmt.TypeUnknown) instead. + FmtUnknown Format = `<unknown>` + // Deprecated: Use expfmt.NewFormat(expfmt.TypeTextPlain) instead. + FmtText Format = `text/plain; version=` + TextVersion + `; charset=utf-8` + // Deprecated: Use expfmt.NewFormat(expfmt.TypeProtoDelim) instead. + FmtProtoDelim Format = ProtoFmt + ` encoding=delimited` + // Deprecated: Use expfmt.NewFormat(expfmt.TypeProtoText) instead. + FmtProtoText Format = ProtoFmt + ` encoding=text` + // Deprecated: Use expfmt.NewFormat(expfmt.TypeProtoCompact) instead. + FmtProtoCompact Format = ProtoFmt + ` encoding=compact-text` + // Deprecated: Use expfmt.NewFormat(expfmt.TypeOpenMetrics) instead. + FmtOpenMetrics_1_0_0 Format = OpenMetricsType + `; version=` + OpenMetricsVersion_1_0_0 + `; charset=utf-8` + // Deprecated: Use expfmt.NewFormat(expfmt.TypeOpenMetrics) instead. + FmtOpenMetrics_0_0_1 Format = OpenMetricsType + `; version=` + OpenMetricsVersion_0_0_1 + `; charset=utf-8` ) const ( @@ -79,17 +86,17 @@ const ( func NewFormat(t FormatType) Format { switch t { case TypeProtoCompact: - return fmtProtoCompact + return FmtProtoCompact case TypeProtoDelim: - return fmtProtoDelim + return FmtProtoDelim case TypeProtoText: - return fmtProtoText + return FmtProtoText case TypeTextPlain: - return fmtText + return FmtText case TypeOpenMetrics: - return fmtOpenMetrics_1_0_0 + return FmtOpenMetrics_1_0_0 default: - return fmtUnknown + return FmtUnknown } } @@ -97,12 +104,35 @@ func NewFormat(t FormatType) Format { // specified version number. func NewOpenMetricsFormat(version string) (Format, error) { if version == OpenMetricsVersion_0_0_1 { - return fmtOpenMetrics_0_0_1, nil + return FmtOpenMetrics_0_0_1, nil } if version == OpenMetricsVersion_1_0_0 { - return fmtOpenMetrics_1_0_0, nil + return FmtOpenMetrics_1_0_0, nil } - return fmtUnknown, fmt.Errorf("unknown open metrics version string") + return FmtUnknown, fmt.Errorf("unknown open metrics version string") +} + +// WithEscapingScheme returns a copy of Format with the specified escaping +// scheme appended to the end. If an escaping scheme already exists it is +// removed. +func (f Format) WithEscapingScheme(s model.EscapingScheme) Format { + var terms []string + for _, p := range strings.Split(string(f), ";") { + toks := strings.Split(p, "=") + if len(toks) != 2 { + trimmed := strings.TrimSpace(p) + if len(trimmed) > 0 { + terms = append(terms, trimmed) + } + continue + } + key := strings.TrimSpace(toks[0]) + if key != model.EscapingKey { + terms = append(terms, strings.TrimSpace(p)) + } + } + terms = append(terms, model.EscapingKey+"="+s.String()) + return Format(strings.Join(terms, "; ")) } // FormatType deduces an overall FormatType for the given format. |