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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,101 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "crypto/tls" | ||
| "crypto/x509" | ||
| "expvar" | ||
| "log" | ||
| "os" | ||
| "time" | ||
|
|
||
| "github.com/influxdata/influxdb/client/v2" | ||
| ) | ||
|
|
||
| const ( | ||
| influxTable = "whoami" | ||
| influxUsername = "frood" | ||
| influxDatabase = "frood" | ||
| influxAddr = "https://influxdb:8086" | ||
| influxRoot = `-----BEGIN CERTIFICATE----- | ||
| MIIE1DCCAzygAwIBAgIRAL1uZZswS6fWex3VEuNfoKUwDQYJKoZIhvcNAQELBQAw | ||
| gYExHjAcBgNVBAoTFW1rY2VydCBkZXZlbG9wbWVudCBDQTErMCkGA1UECwwiZmls | ||
| aXBwb0BGaWxpcHBvcy1NYWNCb29rLVByby5sb2NhbDEyMDAGA1UEAwwpbWtjZXJ0 | ||
| IGZpbGlwcG9ARmlsaXBwb3MtTWFjQm9vay1Qcm8ubG9jYWwwHhcNMTgwODI1MjIy | ||
| NzI5WhcNMjgwODI1MjIyNzI5WjCBgTEeMBwGA1UEChMVbWtjZXJ0IGRldmVsb3Bt | ||
| ZW50IENBMSswKQYDVQQLDCJmaWxpcHBvQEZpbGlwcG9zLU1hY0Jvb2stUHJvLmxv | ||
| Y2FsMTIwMAYDVQQDDClta2NlcnQgZmlsaXBwb0BGaWxpcHBvcy1NYWNCb29rLVBy | ||
| by5sb2NhbDCCAaIwDQYJKoZIhvcNAQEBBQADggGPADCCAYoCggGBAMSzlxsjwhkZ | ||
| 7l5Zqe7+UqdwA+tcbll2zc4n5k3qqnLXv5IaDlKSkJDp/XygYvw94Cg6YMZ4bTPF | ||
| nnPBH+YE+/+nXFWyLjlxfWHmpUVOV/W4aFaZQ8v8nScjgzwuN2fskigJBcrfD3eL | ||
| dXCAcMPTB0Sp/EJ8YIt+VgyMKuBBvBn9dg4sPxLnkC+T9JYSRHmZMSK/kkPhlJUh | ||
| Toj7CEBNR98J0YuozrxVL0qajlihSRcXv4zLBXPGBXbkodKlxDBRE+hyjMtWhqtL | ||
| WOZSH9lbuccRWohzomMpmwRxxwinxowUJ6SQrsJsUXsgRHMHN6cN7zEOkUflh4UY | ||
| JJvNAD9fErEHl1jiAIWEcx3sr085iko9PtY0Wg8CsnOyA8RR74iWxGi0HXJmSPD5 | ||
| NWiFZJvzD/iz9mYTp1oLxMrKcwrxi57TmcDGJ50nwZFHwj1CCZr4nnNQhg3SH3Yh | ||
| P5BQGRQ5vDbtEh6t2HcdJnq3U8fEtJcZUP1LBwGVu6c1dYUMmLFi2QIDAQABo0Uw | ||
| QzAOBgNVHQ8BAf8EBAMCAgQwEgYDVR0TAQH/BAgwBgEB/wIBADAdBgNVHQ4EFgQU | ||
| H81fJLLgEa5AzctEzXCQrvnQ4uQwDQYJKoZIhvcNAQELBQADggGBAFMG0j1/tSdt | ||
| WnJBlv/tmfD4jJCHpUlD6mf5p19xy3ZfU8wDa59Cgi5ByvWRlrTgSkxRdILF7oxe | ||
| yuFceUbDXGWW+S2scJIExZVQLIHC33ki8wBe5N1C+O7/w6hPQsy7idVj9Z7xZQFb | ||
| JJQMLv1OaSK9p1L3eGCJ0rSrfqmEr/waL7Oelk9kAvRzx69A8KiGhskFsMjCW9Fc | ||
| cXhBSSRrdI5QI9gvsTh4R07r/yXeGW7qWdiMfrDh5i8FEeHUGz2f84LX1nap95e9 | ||
| rYRgtMgDHO3bL1WiPjNBntUdLq3iLmTOa7zrXFUvZ0y5jd9HLhSexJ1TyXaoOr2M | ||
| Nb3Cf4ZiUTDe8hYdiNNdFcuLLBDXT6fZNvuolLIVPGsQXaNElSD6+xT8UY5/IyOg | ||
| pdNvDnPjkJ2ux+f9vqTiWFbuNRlqaTNphwjc/RigeIaKPB00DqohJR3vqf630XBL | ||
| 3RHVEytTfupy/k9RJCbenkpITzTJgnW9WV3XkSTw/CCv2ikXmoTJlg== | ||
| -----END CERTIFICATE-----` | ||
| ) | ||
|
|
||
| func startInfluxDB() { | ||
| pool := x509.NewCertPool() | ||
| pool.AppendCertsFromPEM([]byte(influxRoot)) | ||
| c, err := client.NewHTTPClient(client.HTTPConfig{ | ||
| Addr: influxAddr, | ||
| Username: influxUsername, | ||
| Password: os.Getenv("INFLUXDB_PASSWORD"), | ||
| Timeout: 10 * time.Second, | ||
| TLSConfig: &tls.Config{RootCAs: pool}, | ||
| }) | ||
| if err != nil { | ||
| log.Fatalln("InfluxDB error:", err) | ||
| } | ||
|
|
||
| go func() { | ||
| for range time.Tick(10 * time.Second) { | ||
| fields := make(map[string]interface{}) | ||
| var do func(string, expvar.KeyValue) | ||
| do = func(prefix string, kv expvar.KeyValue) { | ||
| switch v := kv.Value.(type) { | ||
| case *expvar.Int: | ||
| fields[prefix+kv.Key] = v.Value() | ||
| case *expvar.Float: | ||
| fields[prefix+kv.Key] = v.Value() | ||
| case *expvar.String: | ||
| fields[prefix+kv.Key] = v.Value() | ||
| case *expvar.Map: | ||
| v.Do(func(x expvar.KeyValue) { do(kv.Key+".", x) }) | ||
| default: | ||
| fields[prefix+kv.Key] = v.String() | ||
| } | ||
| } | ||
| expvar.Do(func(kv expvar.KeyValue) { do("", kv) }) | ||
|
|
||
| if len(fields) == 0 { | ||
| continue | ||
| } | ||
|
|
||
| bp, _ := client.NewBatchPoints(client.BatchPointsConfig{ | ||
| Database: influxDatabase, | ||
| Precision: "s", | ||
| }) | ||
| pt, err := client.NewPoint(influxTable, nil, fields, time.Now()) | ||
| if err != nil { | ||
| log.Fatalln("InfluxDB error:", err) | ||
| } | ||
| bp.AddPoint(pt) | ||
| if err := c.Write(bp); err != nil { | ||
| log.Fatalln("InfluxDB write error:", err) | ||
| } | ||
| } | ||
| }() | ||
| } |
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