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add errcheck validation

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Signed-off-by: Emile Vauge <emile@vauge.com>
This commit is contained in:
Emile Vauge 2016-03-22 01:32:02 +01:00
parent d9ffc39075
commit ac4aa0d182
No known key found for this signature in database
GPG Key ID: D808B4C167352E59
8 changed files with 129 additions and 85 deletions
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7
.pre-commit-config.yaml
View File

@ -1,11 +1,10 @@
- repo: git://github.com/pre-commit/pre-commit-hooks
sha: 97b88d9610bcc03982ddac33caba98bb2b751f5f
sha: 44e1753f98b0da305332abe26856c3e621c5c439
hooks:
- id: detect-private-key
- repo: git://github.com/containous/pre-commit-hooks
sha: HEAD
sha: 35e641b5107671e94102b0ce909648559e568d61
hooks:
- id: goFmt
- id: goLint
- id: goErrcheck

4
Makefile
View File

@ -41,8 +41,8 @@ test-unit: build
test-integration: build
$(DOCKER_RUN_TRAEFIK) ./script/make.sh generate test-integration
validate: build
$(DOCKER_RUN_TRAEFIK) ./script/make.sh validate-gofmt validate-govet validate-golint
validate: build
$(DOCKER_RUN_TRAEFIK) ./script/make.sh validate-gofmt validate-govet validate-golint
validate-gofmt: build
$(DOCKER_RUN_TRAEFIK) ./script/make.sh validate-gofmt

128
acme/acme.go
View File

@ -27,6 +27,34 @@ type Account struct {
DomainsCertificate DomainsCertificates
}
// GetEmail returns email
func (a Account) GetEmail() string {
return a.Email
}
// GetRegistration returns lets encrypt registration resource
func (a Account) GetRegistration() *acme.RegistrationResource {
return a.Registration
}
// GetPrivateKey returns private key
func (a Account) GetPrivateKey() crypto.PrivateKey {
if privateKey, err := x509.ParsePKCS1PrivateKey(a.PrivateKey); err == nil {
return privateKey
}
log.Errorf("Cannot unmarshall private key %+v", a.PrivateKey)
return nil
}
// Certificate is used to store certificate info
type Certificate struct {
Domain string
CertURL string
CertStableURL string
PrivateKey []byte
Certificate []byte
}
// DomainsCertificates stores a certificate for multiple domains
type DomainsCertificates struct {
Certs []*DomainsCertificate
@ -64,7 +92,7 @@ func (dc *DomainsCertificates) renewCertificates(acmeCert *Certificate, domain D
return nil
}
}
return errors.New("Certificate to renew to found from domain " + domain.Main)
return errors.New("Certificate to renew not found for domain " + domain.Main)
}
func (dc *DomainsCertificates) addCertificateForDomains(acmeCert *Certificate, domain Domain) (*DomainsCertificate, error) {
@ -84,7 +112,9 @@ func (dc *DomainsCertificates) getCertificateForDomain(domainToFind string) (*Do
dc.lock.RLock()
defer dc.lock.RUnlock()
for _, domainsCertificate := range dc.Certs {
domains := append([]string{domainsCertificate.Domains.Main}, domainsCertificate.Domains.SANs...)
domains := []string{}
domains = append(domains, domainsCertificate.Domains.Main)
domains = append(domains, domainsCertificate.Domains.SANs...)
for _, domain := range domains {
if domain == domainToFind {
return domainsCertificate, true
@ -112,34 +142,6 @@ type DomainsCertificate struct {
tlsCert *tls.Certificate
}
// GetEmail returns email
func (a Account) GetEmail() string {
return a.Email
}
// GetRegistration returns lets encrypt registration resource
func (a Account) GetRegistration() *acme.RegistrationResource {
return a.Registration
}
// GetPrivateKey returns private key
func (a Account) GetPrivateKey() crypto.PrivateKey {
if privateKey, err := x509.ParsePKCS1PrivateKey(a.PrivateKey); err == nil {
return privateKey
}
log.Errorf("Cannot unmarshall private key %+v", a.PrivateKey)
return nil
}
// Certificate is used to store certificate info
type Certificate struct {
Domain string
CertURL string
CertStableURL string
PrivateKey []byte
Certificate []byte
}
// ACME allows to connect to lets encrypt and retrieve certs
type ACME struct {
Email string
@ -157,10 +159,9 @@ type Domain struct {
SANs []string
}
// CreateACMEConfig creates a tls.config from using ACME configuration
func (a *ACME) CreateACMEConfig(tlsConfig *tls.Config, CheckOnDemandDomain func(domain string) bool) error {
// CreateConfig creates a tls.config from using ACME configuration
func (a *ACME) CreateConfig(tlsConfig *tls.Config, CheckOnDemandDomain func(domain string) bool) error {
acme.Logger = fmtlog.New(ioutil.Discard, "", 0)
// TODO: generate default cert if empty
if len(a.StorageFile) == 0 {
return errors.New("Empty StorageFile, please provide a filenmae for certs storage")
@ -225,27 +226,7 @@ func (a *ACME) CreateACMEConfig(tlsConfig *tls.Config, CheckOnDemandDomain func(
return err
}
go func() {
log.Infof("Retrieving ACME certificates...")
for _, domain := range a.Domains {
// check if cert isn't already loaded
if _, exists := account.DomainsCertificate.exists(domain); !exists {
domains := append([]string{domain.Main}, domain.SANs...)
certificateResource, err := a.getDomainsCertificates(client, domains)
if err != nil {
log.Errorf("Error getting ACME certificate for domain %s: %s", domains, err.Error())
}
_, err = account.DomainsCertificate.addCertificateForDomains(certificateResource, domain)
if err != nil {
log.Errorf("Error adding ACME certificate for domain %s: %s", domains, err.Error())
}
if err = a.saveAccount(account); err != nil {
log.Errorf("Error Saving ACME account %+v: %s", account, err.Error())
}
}
}
log.Infof("Retrieved ACME certificates")
}()
go a.retrieveCertificates(client, account)
tlsConfig.GetCertificate = func(clientHello *tls.ClientHelloInfo) (*tls.Certificate, error) {
if challengeCert, ok := wrapperChallengeProvider.getCertificate(clientHello.ServerName); ok {
@ -265,7 +246,6 @@ func (a *ACME) CreateACMEConfig(tlsConfig *tls.Config, CheckOnDemandDomain func(
ticker := time.NewTicker(24 * time.Hour)
go func() {
time.Sleep(24 * time.Hour)
for {
select {
case <-ticker.C:
@ -280,8 +260,35 @@ func (a *ACME) CreateACMEConfig(tlsConfig *tls.Config, CheckOnDemandDomain func(
return nil
}
func (a *ACME) renewCertificates(client *acme.Client, Account *Account) error {
for _, certificateResource := range Account.DomainsCertificate.Certs {
func (a *ACME) retrieveCertificates(client *acme.Client, account *Account) {
log.Infof("Retrieving ACME certificates...")
for _, domain := range a.Domains {
// check if cert isn't already loaded
if _, exists := account.DomainsCertificate.exists(domain); !exists {
domains := []string{}
domains = append(domains, domain.Main)
domains = append(domains, domain.SANs...)
certificateResource, err := a.getDomainsCertificates(client, domains)
if err != nil {
log.Errorf("Error getting ACME certificate for domain %s: %s", domains, err.Error())
continue
}
_, err = account.DomainsCertificate.addCertificateForDomains(certificateResource, domain)
if err != nil {
log.Errorf("Error adding ACME certificate for domain %s: %s", domains, err.Error())
continue
}
if err = a.saveAccount(account); err != nil {
log.Errorf("Error Saving ACME account %+v: %s", account, err.Error())
continue
}
}
}
log.Infof("Retrieved ACME certificates")
}
func (a *ACME) renewCertificates(client *acme.Client, account *Account) error {
for _, certificateResource := range account.DomainsCertificate.Certs {
// <= 7 days left, renew certificate
if certificateResource.tlsCert.Leaf.NotAfter.Before(time.Now().Add(time.Duration(24 * 7 * time.Hour))) {
log.Debugf("Renewing certificate %+v", certificateResource.Domains)
@ -303,11 +310,11 @@ func (a *ACME) renewCertificates(client *acme.Client, Account *Account) error {
PrivateKey: renewedCert.PrivateKey,
Certificate: renewedCert.Certificate,
}
err = Account.DomainsCertificate.renewCertificates(renewedACMECert, certificateResource.Domains)
err = account.DomainsCertificate.renewCertificates(renewedACMECert, certificateResource.Domains)
if err != nil {
return err
}
if err = a.saveAccount(Account); err != nil {
if err = a.saveAccount(account); err != nil {
return err
}
}
@ -316,9 +323,6 @@ func (a *ACME) renewCertificates(client *acme.Client, Account *Account) error {
}
func (a *ACME) buildACMEClient(Account *Account) (*acme.Client, error) {
// A client facilitates communication with the CA server. This CA URL is
// configured for a local dev instance of Boulder running in Docker in a VM.
caServer := "https://acme-v01.api.letsencrypt.org/directory"
if len(a.CAServer) > 0 {
caServer = a.CAServer

12
build.Dockerfile
View File

@ -1,11 +1,11 @@
FROM golang:1.6.0-alpine
RUN apk update && apk add git bash gcc
RUN go get github.com/Masterminds/glide
RUN go get github.com/mitchellh/gox
RUN go get github.com/jteeuwen/go-bindata/...
RUN go get github.com/golang/lint/golint
RUN apk update && apk add git bash gcc musl-dev \
&& go get github.com/Masterminds/glide \
&& go get github.com/mitchellh/gox \
&& go get github.com/jteeuwen/go-bindata/... \
&& go get github.com/golang/lint/golint \
&& go get github.com/kisielk/errcheck
# Which docker version to test on
ENV DOCKER_VERSION 1.10.1

17
cmd.go
View File

@ -166,13 +166,12 @@ func init() {
traefikCmd.PersistentFlags().StringVar(&arguments.Boltdb.Endpoint, "boltdb.endpoint", "127.0.0.1:4001", "Boltdb server endpoint")
traefikCmd.PersistentFlags().StringVar(&arguments.Boltdb.Prefix, "boltdb.prefix", "/traefik", "Prefix used for KV store")
viper.BindPFlag("configFile", traefikCmd.PersistentFlags().Lookup("configFile"))
viper.BindPFlag("graceTimeOut", traefikCmd.PersistentFlags().Lookup("graceTimeOut"))
//viper.BindPFlag("defaultEntryPoints", traefikCmd.PersistentFlags().Lookup("defaultEntryPoints"))
viper.BindPFlag("logLevel", traefikCmd.PersistentFlags().Lookup("logLevel"))
_ = viper.BindPFlag("configFile", traefikCmd.PersistentFlags().Lookup("configFile"))
_ = viper.BindPFlag("graceTimeOut", traefikCmd.PersistentFlags().Lookup("graceTimeOut"))
_ = viper.BindPFlag("logLevel", traefikCmd.PersistentFlags().Lookup("logLevel"))
// TODO: wait for this issue to be corrected: https://github.com/spf13/viper/issues/105
viper.BindPFlag("providersThrottleDuration", traefikCmd.PersistentFlags().Lookup("providersThrottleDuration"))
viper.BindPFlag("maxIdleConnsPerHost", traefikCmd.PersistentFlags().Lookup("maxIdleConnsPerHost"))
_ = viper.BindPFlag("providersThrottleDuration", traefikCmd.PersistentFlags().Lookup("providersThrottleDuration"))
_ = viper.BindPFlag("maxIdleConnsPerHost", traefikCmd.PersistentFlags().Lookup("maxIdleConnsPerHost"))
viper.SetDefault("providersThrottleDuration", time.Duration(2*time.Second))
viper.SetDefault("logLevel", "ERROR")
viper.SetDefault("MaxIdleConnsPerHost", 200)
@ -197,7 +196,11 @@ func run() {
if len(globalConfiguration.TraefikLogsFile) > 0 {
fi, err := os.OpenFile(globalConfiguration.TraefikLogsFile, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
defer fi.Close()
defer func() {
if err := fi.Close(); err != nil {
log.Error("Error closinf file", err)
}
}()
if err != nil {
log.Fatal("Error opening file", err)
} else {

4
configuration.go
View File

@ -94,7 +94,9 @@ func (ep *EntryPoints) Set(value string) error {
var tls *TLS
if len(result["TLS"]) > 0 {
certs := Certificates{}
certs.Set(result["TLS"])
if err := certs.Set(result["TLS"]); err != nil {
return err
}
tls = &TLS{
Certificates: certs,
}

28
script/validate-errcheck Executable file
View File

@ -0,0 +1,28 @@
#!/bin/bash
source "$(dirname "$BASH_SOURCE")/.validate"
IFS=$'\n'
files=( $(validate_diff --diff-filter=ACMR --name-only -- '*.go' | grep -v '^vendor/' || true) )
unset IFS
errors=()
failedErrcheck=$(errcheck .)
if [ "$failedErrcheck" ]; then
errors+=( "$failedErrcheck" )
fi
if [ ${#errors[@]} -eq 0 ]; then
echo 'Congratulations! All Go source files have been errchecked.'
else
{
echo "Errors from errcheck:"
for err in "${errors[@]}"; do
echo "$err"
done
echo
echo 'Please fix the above errors. You can test via "errcheck" and commit the result.'
echo
} >&2
false
fi

14
server.go
View File

@ -248,7 +248,7 @@ func (server *Server) createTLSConfig(entryPointName string, tlsOption *TLS, rou
}
return false
}
err := server.globalConfiguration.ACME.CreateACMEConfig(config, checkOnDemandDomain)
err := server.globalConfiguration.ACME.CreateConfig(config, checkOnDemandDomain)
if err != nil {
return nil, err
}
@ -343,6 +343,10 @@ func (server *Server) loadConfig(configurations configs, globalConfiguration Glo
if len(frontend.EntryPoints) == 0 {
frontend.EntryPoints = globalConfiguration.DefaultEntryPoints
}
if len(frontend.EntryPoints) == 0 {
log.Errorf("No entrypoint defined for frontend %s, defaultEntryPoints:%s. Skipping it", frontendName, globalConfiguration.DefaultEntryPoints)
continue
}
for _, entryPointName := range frontend.EntryPoints {
log.Debugf("Wiring frontend %s to entryPoint %s", frontendName, entryPointName)
if _, ok := serverEntryPoints[entryPointName]; !ok {
@ -390,7 +394,9 @@ func (server *Server) loadConfig(configurations configs, globalConfiguration Glo
return nil, err
}
log.Debugf("Creating server %s at %s with weight %d", serverName, url.String(), server.Weight)
rebalancer.UpsertServer(url, roundrobin.Weight(server.Weight))
if err := rebalancer.UpsertServer(url, roundrobin.Weight(server.Weight)); err != nil {
return nil, err
}
}
case types.Wrr:
log.Debugf("Creating load-balancer wrr")
@ -401,7 +407,9 @@ func (server *Server) loadConfig(configurations configs, globalConfiguration Glo
return nil, err
}
log.Debugf("Creating server %s at %s with weight %d", serverName, url.String(), server.Weight)
rr.UpsertServer(url, roundrobin.Weight(server.Weight))
if err := rr.UpsertServer(url, roundrobin.Weight(server.Weight)); err != nil {
return nil, err
}
}
}
var negroni = negroni.New()