func main() {
flag.Parse()
common.SetupLogger()
config := common.LoadConfig()
ruleset, err := internal.LoadRules(config.API.ConversionRulesPath)
if err != nil {
common.ExitWithMessage(fmt.Sprintf("Error while reading rules: %s", err.Error()))
}
metricFile, err := os.Open(*metricsFile)
if err != nil {
common.ExitWithMessage("No metric file.")
}
scanner := bufio.NewScanner(metricFile)
apiInstance := common.NewAPI(config.API)
var output *os.File
if *unmatchedFile != "" {
output, err = os.Create(*unmatchedFile)
if err != nil {
common.ExitWithMessage(fmt.Sprintf("Error creating the output file: %s", err.Error()))
}
}
stat := run(ruleset, scanner, apiInstance, output)
report(stat)
}
func readRule(filename string) *internal.RuleSet {
file, err := os.Open(filename)
if err != nil {
common.ExitWithMessage("No rule file")
}
bytes, err := ioutil.ReadAll(file)
if err != nil {
common.ExitWithMessage("Cannot read the rule YAML")
}
rule, err := internal.LoadYAML(bytes)
if err != nil {
common.ExitWithMessage("Cannot parse Rule file")
}
return &rule
}
func main() {
if os.Getenv("GOMAXPROCS") == "" {
runtime.GOMAXPROCS(runtime.NumCPU())
}
flag.Parse()
common.SetupLogger()
if *metricsFile == "" {
common.ExitWithMessage("No metric file specified. Use '-metrics-file'")
}
if *rulePath == "" {
common.ExitWithMessage("No rule path specified. Use '-rule-path'")
}
//TODO(cchandler): Make a constructor for a graphite converter so we don't
//have to stich everything together outside of the package.
ruleset, err := util.LoadRules(*rulePath)
if err != nil {
common.ExitWithMessage(fmt.Sprintf("Error while reading rules: %s", err.Error()))
}
graphiteConverter := util.RuleBasedGraphiteConverter{Ruleset: ruleset}
metrics, err := ReadMetricsFile(*metricsFile)
if err != nil {
fmt.Printf("Fatal error reading metrics file %s\n", err)
os.Exit(1)
}
classifiedMetrics := DoAnalysis(metrics, graphiteConverter)
fmt.Printf("Generating report files...\n")
GenerateReport(classifiedMetrics[Unmatched], graphiteConverter)
fmt.Printf("Total metric count %d\n", len(metrics))
}