func main() {
fmt.Println("# Consistently assigning unique colors to strings:")
for _, ape := range getScientificApes() {
fmt.Println(golor.Colorize(ape, golor.AssignColor(ape), -1))
}
}
func handleSystail(record map[string]interface{}, options MessagePrinterOptions) bool {
text := record["text"].(string)
process := record["name"].(string)
node := record["node_id"].(string)
severity := ""
if len(options.NodeID) > 0 && node != options.NodeID {
return false
}
if !options.LogyardVerbose && process == "logyard" && strings.Contains(text, "INFO") {
return false
}
// TODO: hide ip addr in micro cloud.
if strings.Contains(process, "nginx") {
// FIXME: nginx logs reflect requests to not only vcap
// processes (eg: cc and services), but also deployed
// apps. the purpose of `kato tail` is to tail the log of
// vcap and other core processes only, not the deployed
// apps. perhaps we could redirect app requests to a
// different log file?
switch {
case strings.Contains(text, "[error]"):
severity = "ERROR"
case strings.Contains(text, "No such file or directory"):
fallthrough
case strings.Contains(text, "404"):
severity = "WARN"
default:
}
} else {
switch {
case strings.Contains(text, "ERROR"):
severity = "ERROR"
case strings.Contains(text, "WARN"):
severity = "WARN"
default:
}
}
// Strip non-essential data
if !options.Raw {
for _, re := range datetimePatterns {
res := re.FindStringSubmatch(text)
if len(res) > 1 {
text = res[1]
break
}
}
}
if !options.NoColor {
record["node_id"] = golor.Colorize(node, golor.GRAY, -1)
switch severity {
case "ERROR":
record["text"] = golor.Colorize(text, golor.RED, -1)
case "WARN":
// yellow
record["text"] = golor.Colorize(text, golor.YELLOW, -1)
default:
record["text"] = text
}
// Assign an unique color to the process name
record["name"] = golor.Colorize(process, golor.AssignColor(process), -1)
}
return true
}