direktil/local-server
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don't write secret-data if not needed

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This commit is contained in:
Mikaël Cluseau 2019-12-19 16:57:22 +01:00
parent 55c72aefa8
commit 863a436915
4 changed files with 28 additions and 6 deletions
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2
Dockerfile
View File

@ -1,5 +1,5 @@
# ------------------------------------------------------------------------
from mcluseau/golang-builder:1.13.4 as build
from mcluseau/golang-builder:1.13.5 as build
# ------------------------------------------------------------------------
from debian:stretch

27
cmd/dkl-local-server/secrets.go
View File

@ -13,6 +13,7 @@ import (
"sort"
"sync"
"github.com/cespare/xxhash"
"github.com/cloudflare/cfssl/config"
"github.com/cloudflare/cfssl/csr"
"github.com/cloudflare/cfssl/helpers"
@ -32,6 +33,8 @@ var (
type SecretData struct {
l sync.Mutex
prevHash uint64
clusters map[string]*ClusterSecrets
changed bool
config *config.Config
@ -85,6 +88,8 @@ func loadSecretData(config *config.Config) (err error) {
return
}
sd.prevHash = xxhash.Sum64(ba)
secretData = sd
return
}
@ -93,20 +98,32 @@ func (sd *SecretData) Changed() bool {
return sd.changed
}
func (sd *SecretData) Save() error {
func (sd *SecretData) Save() (err error) {
if DontSave {
return nil
return
}
sd.l.Lock()
defer sd.l.Unlock()
log.Info("Saving secret data")
ba, err := json.Marshal(sd.clusters)
if err != nil {
return err
return
}
return ioutil.WriteFile(secretDataPath(), ba, 0600)
h := xxhash.Sum64(ba)
if h == sd.prevHash {
return
}
log.Info("Saving secret data")
err = ioutil.WriteFile(secretDataPath(), ba, 0600)
if err == nil {
sd.prevHash = h
}
return
}
func newClusterSecrets() *ClusterSecrets {

1
go.mod
View File

@ -3,6 +3,7 @@ module novit.nc/direktil/local-server
require (
github.com/agl/ed25519 v0.0.0-20170116200512-5312a6153412
github.com/cavaliercoder/go-cpio v0.0.0-20180626203310-925f9528c45e
github.com/cespare/xxhash v1.1.0
github.com/cloudflare/cfssl v0.0.0-20181213083726-b94e044bb51e
github.com/emicklei/go-restful v2.10.0+incompatible
github.com/emicklei/go-restful-openapi v1.2.0

4
go.sum
View File

@ -1,5 +1,6 @@
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ=
github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
github.com/PuerkitoBio/purell v1.0.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
github.com/PuerkitoBio/purell v1.1.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
github.com/PuerkitoBio/purell v1.1.1 h1:WEQqlqaGbrPkxLJWfBwQmfEAE1Z7ONdDLqrN38tNFfI=
@ -14,6 +15,8 @@ github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5
github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5/go.mod h1:wHh0iHkYZB8zMSxRWpUBQtwG5a7fFgvEO+odwuTv2gs=
github.com/cavaliercoder/go-cpio v0.0.0-20180626203310-925f9528c45e h1:hHg27A0RSSp2Om9lubZpiMgVbvn39bsUmW9U5h0twqc=
github.com/cavaliercoder/go-cpio v0.0.0-20180626203310-925f9528c45e/go.mod h1:oDpT4efm8tSYHXV5tHSdRvBet/b/QzxZ+XyyPehvm3A=
github.com/cespare/xxhash v1.1.0 h1:a6HrQnmkObjyL+Gs60czilIUGqrzKutQD6XZog3p+ko=
github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
github.com/cloudflare/cfssl v0.0.0-20181213083726-b94e044bb51e h1:Qux+lbuMaRzkQyTdzgtz8MgzPtzmaPQy6DXmxpdxT3U=
github.com/cloudflare/cfssl v0.0.0-20181213083726-b94e044bb51e/go.mod h1:yMWuSON2oQp+43nFtAV/uvKQIFpSPerB57DCt9t8sSA=
github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
@ -153,6 +156,7 @@ github.com/russross/blackfriday v1.5.2/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR
github.com/sergi/go-diff v1.0.0 h1:Kpca3qRNrduNnOQeazBd0ysaKrUJiIuISHxogkT9RPQ=
github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo=
github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6MwdIuYE2rE=
github.com/spaolacci/murmur3 v0.0.0-20180118202830-f09979ecbc72/go.mod h1:JwIasOWyU6f++ZhiEuf87xNszmSA2myDM2Kzu9HwQUA=
github.com/spf13/afero v1.1.2/go.mod h1:j4pytiNVoe2o6bmDsKpLACNPDBIoEAkihy7loJ1B0CQ=
github.com/spf13/cast v1.3.0/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
github.com/spf13/cobra v0.0.5/go.mod h1:3K3wKZymM7VvHMDS9+Akkh4K60UwM26emMESw8tLCHU=