prometheus/postgres_exporter
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Made cosmetic changes to fit the Go coding standards

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This commit is contained in:
Reda NOUSHI
2016-06-29 22:09:42 +00:00
parent 8dd3912150
commit 895166bbbb
1 changed files with 31 additions and 31 deletions
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62
postgres_exporter.go
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@ -222,7 +222,7 @@ var queryOverrides = map[string]string{
} }
// Add queries to the metricMaps and queryOverrides maps // Add queries to the metricMaps and queryOverrides maps
func add_queries(queriesPath string) (err error) { func addQueries(queriesPath string) (err error) {
var extra map[string]interface{} var extra map[string]interface{}
content, err := ioutil.ReadFile(queriesPath) content, err := ioutil.ReadFile(queriesPath)
@ -258,7 +258,7 @@ func add_queries(queriesPath string) (err error) {
for attr_key, attr_val := range a.(map[interface{}]interface{}) { for attr_key, attr_val := range a.(map[interface{}]interface{}) {
switch(attr_key.(string)) { switch(attr_key.(string)) {
case "usage": case "usage":
usage, err := _string_to_columnusage(attr_val.(string)) usage, err := stringToColumnUsage(attr_val.(string))
if err != nil { if err != nil {
return err return err
} }
@ -282,34 +282,6 @@ func add_queries(queriesPath string) (err error) {
return return
} }
// convert a string to the corresponding ColumnUsage
func _string_to_columnusage(s string) (u ColumnUsage, err error) {
switch(s) {
case "DISCARD":
u = DISCARD
case "LABEL":
u = LABEL
case "COUNTER":
u = COUNTER
case "GAUGE":
u = GAUGE
case "MAPPEDMETRIC":
u = MAPPEDMETRIC
case "DURATION":
u = DURATION
default:
err = fmt.Errorf("wrong ColumnUsage given : %s", s)
}
return
}
// Turn the MetricMap column mapping into a prometheus descriptor mapping. // Turn the MetricMap column mapping into a prometheus descriptor mapping.
func makeDescMap(metricMaps map[string]map[string]ColumnMapping) map[string]MetricMapNamespace { func makeDescMap(metricMaps map[string]map[string]ColumnMapping) map[string]MetricMapNamespace {
var metricMap = make(map[string]MetricMapNamespace) var metricMap = make(map[string]MetricMapNamespace)
@ -400,6 +372,34 @@ func makeDescMap(metricMaps map[string]map[string]ColumnMapping) map[string]Metr
return metricMap return metricMap
} }
// convert a string to the corresponding ColumnUsage
func stringToColumnUsage(s string) (u ColumnUsage, err error) {
switch(s) {
case "DISCARD":
u = DISCARD
case "LABEL":
u = LABEL
case "COUNTER":
u = COUNTER
case "GAUGE":
u = GAUGE
case "MAPPEDMETRIC":
u = MAPPEDMETRIC
case "DURATION":
u = DURATION
default:
err = fmt.Errorf("wrong ColumnUsage given : %s", s)
}
return
}
// Convert database.sql types to float64s for Prometheus consumption. Null types are mapped to NaN. string and []byte // Convert database.sql types to float64s for Prometheus consumption. Null types are mapped to NaN. string and []byte
// types are mapped as NaN and !ok // types are mapped as NaN and !ok
func dbToFloat64(t interface{}) (float64, bool) { func dbToFloat64(t interface{}) (float64, bool) {
@ -672,7 +672,7 @@ func main() {
} }
if *queriesPath != "" { if *queriesPath != "" {
err := add_queries(*queriesPath) err := addQueries(*queriesPath)
if err != nil { if err != nil {
log.Warnln("Unparseable queries file - discarding merge: ", *queriesPath, err) log.Warnln("Unparseable queries file - discarding merge: ", *queriesPath, err)
} }