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Some cosmetic fixes

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* Add comments to exports
* Update incorrect metric description text
* Rename variables that break typical golang conventions
This commit is contained in:
Rob Best
2019-03-11 17:13:29 +00:00
parent 380d1bf2f9
commit 7e95d03166
1 changed files with 28 additions and 24 deletions
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52
ssl_exporter.go
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@@ -48,12 +48,12 @@ var (
)
subjectAlernativeIPs = prometheus.NewDesc(
prometheus.BuildFQName(namespace, "", "cert_subject_alternative_ips"),
"Subject Alternative DNS Names",
"Subject Alternative IPs",
[]string{"serial_no", "issuer_cn", "ips"}, nil,
)
subjectAlernativeEmailAddresses = prometheus.NewDesc(
prometheus.BuildFQName(namespace, "", "cert_subject_alternative_emails"),
"Subject Alternative DNS Names",
"Subject Alternative Email Addresses",
[]string{"serial_no", "issuer_cn", "emails"}, nil,
)
subjectOrganizationUnits = prometheus.NewDesc(
@@ -63,12 +63,14 @@ var (
)
)
// Exporter is the exporter type...
type Exporter struct {
target string
timeout time.Duration
insecure bool
}
// Describe metrics
func (e *Exporter) Describe(ch chan<- *prometheus.Desc) {
ch <- httpsConnectSuccess
ch <- notAfter
@@ -79,6 +81,7 @@ func (e *Exporter) Describe(ch chan<- *prometheus.Desc) {
ch <- subjectOrganizationUnits
}
// Collect metrics
func (e *Exporter) Collect(ch chan<- prometheus.Metric) {
// Create the HTTP client and make a get request of the target
@@ -114,62 +117,63 @@ func (e *Exporter) Collect(ch chan<- prometheus.Metric) {
httpsConnectSuccess, prometheus.GaugeValue, 1,
)
peer_certificates := uniq(resp.TLS.PeerCertificates)
// Remove duplicate certificates from the response
peerCertificates := uniq(resp.TLS.PeerCertificates)
// Loop through returned certificates and create metrics
for _, cert := range peer_certificates {
for _, cert := range peerCertificates {
subject_cn := cert.Subject.CommonName
issuer_cn := cert.Issuer.CommonName
subject_dnsn := cert.DNSNames
subject_emails := cert.EmailAddresses
subject_ips := cert.IPAddresses
serial_no := cert.SerialNumber.String()
subject_ous := cert.Subject.OrganizationalUnit
subjectCN := cert.Subject.CommonName
issuerCN := cert.Issuer.CommonName
subjectDNSNames := cert.DNSNames
subjectEmails := cert.EmailAddresses
subjectIPs := cert.IPAddresses
serialNum := cert.SerialNumber.String()
subjectOUs := cert.Subject.OrganizationalUnit
if !cert.NotAfter.IsZero() {
ch <- prometheus.MustNewConstMetric(
notAfter, prometheus.GaugeValue, float64(cert.NotAfter.UnixNano()/1e9), serial_no, issuer_cn,
notAfter, prometheus.GaugeValue, float64(cert.NotAfter.UnixNano()/1e9), serialNum, issuerCN,
)
}
if !cert.NotBefore.IsZero() {
ch <- prometheus.MustNewConstMetric(
notBefore, prometheus.GaugeValue, float64(cert.NotBefore.UnixNano()/1e9), serial_no, issuer_cn,
notBefore, prometheus.GaugeValue, float64(cert.NotBefore.UnixNano()/1e9), serialNum, issuerCN,
)
}
if subject_cn != "" {
if subjectCN != "" {
ch <- prometheus.MustNewConstMetric(
commonName, prometheus.GaugeValue, 1, serial_no, issuer_cn, subject_cn,
commonName, prometheus.GaugeValue, 1, serialNum, issuerCN, subjectCN,
)
}
if len(subject_dnsn) > 0 {
if len(subjectDNSNames) > 0 {
ch <- prometheus.MustNewConstMetric(
subjectAlernativeDNSNames, prometheus.GaugeValue, 1, serial_no, issuer_cn, ","+strings.Join(subject_dnsn, ",")+",",
subjectAlernativeDNSNames, prometheus.GaugeValue, 1, serialNum, issuerCN, ","+strings.Join(subjectDNSNames, ",")+",",
)
}
if len(subject_emails) > 0 {
if len(subjectEmails) > 0 {
ch <- prometheus.MustNewConstMetric(
subjectAlernativeEmailAddresses, prometheus.GaugeValue, 1, serial_no, issuer_cn, ","+strings.Join(subject_emails, ",")+",",
subjectAlernativeEmailAddresses, prometheus.GaugeValue, 1, serialNum, issuerCN, ","+strings.Join(subjectEmails, ",")+",",
)
}
if len(subject_ips) > 0 {
if len(subjectIPs) > 0 {
i := ","
for _, ip := range subject_ips {
for _, ip := range subjectIPs {
i = i + ip.String() + ","
}
ch <- prometheus.MustNewConstMetric(
subjectAlernativeIPs, prometheus.GaugeValue, 1, serial_no, issuer_cn, i,
subjectAlernativeIPs, prometheus.GaugeValue, 1, serialNum, issuerCN, i,
)
}
if len(subject_ous) > 0 {
if len(subjectIPs) > 0 {
ch <- prometheus.MustNewConstMetric(
subjectOrganizationUnits, prometheus.GaugeValue, 1, serial_no, issuer_cn, ","+strings.Join(subject_ous, ",")+",",
subjectOrganizationUnits, prometheus.GaugeValue, 1, serialNum, issuerCN, ","+strings.Join(subjectOUs, ",")+",",
)
}
}