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Get rid of mentions of CoreDNS in code except for upgrading and in readme. Add config upgrade.

This commit is contained in:
Eugene Bujak 2018-12-05 20:29:00 +03:00
parent bb6c596b22
commit e31905864b
6 changed files with 98 additions and 68 deletions
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2
Makefile
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@ -19,7 +19,7 @@ client/node_modules: client/package.json client/package-lock.json
$(STATIC): $(JSFILES) client/node_modules
npm --prefix client run build-prod
$(TARGET): $(STATIC) *.go coredns_plugin/*.go dnsfilter/*.go
$(TARGET): $(STATIC) *.go dnsfilter/*.go dnsforward/*.go
go get -d .
GOOS=$(NATIVE_GOOS) GOARCH=$(NATIVE_GOARCH) GO111MODULE=off go get -v github.com/gobuffalo/packr/...
PATH=$(GOPATH)/bin:$(PATH) packr -z

6
README.md
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@ -90,7 +90,7 @@ Now open the browser and navigate to http://localhost:3000/ to control your AdGu
You can run AdGuard Home without superuser privileges, but you need to instruct it to use a different port rather than 53. You can do that by editing `AdGuardHome.yaml` and finding these two lines:
```yaml
coredns:
dns:
port: 53
```
@ -108,7 +108,7 @@ Settings are stored in [YAML format](https://en.wikipedia.org/wiki/YAML), possib
* `bind_port` — Web interface IP port to listen on
* `auth_name` — Web interface optional authorization username
* `auth_pass` — Web interface optional authorization password
* `coredns` — CoreDNS configuration section
* `dns` — DNS configuration section
* `port` — DNS server port to listen on
* `filtering_enabled` — Filtering of DNS requests based on filter lists
* `safebrowsing_enabled` — Filtering of DNS requests based on safebrowsing
@ -208,6 +208,6 @@ This software wouldn't have been possible without:
* And many more node.js packages.
* [whotracks.me data](https://github.com/cliqz-oss/whotracks.me)
You might have seen coredns mentioned here before, but we've stopped using it in AdGuardHome. While we still use it on our servers, it seemed like an overkill and impeded with Home features that we wanted to implement.
You might have seen that coredns was mentioned here before — we've stopped using it in AdGuardHome. While we still use it on our servers, it seemed like an overkill and it impeded with Home features that we wanted to implement.
For a full list of all node.js packages in use, please take a look at [client/package.json](https://github.com/AdguardTeam/AdGuardHome/blob/master/client/package.json) file.

38
config.go
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@ -13,9 +13,8 @@ import (
)
const (
currentSchemaVersion = 1 // used for upgrading from old configs to new config
dataDir = "data" // data storage
filterDir = "filters" // cache location for downloaded filters, it's under DataDir
dataDir = "data" // data storage
filterDir = "filters" // cache location for downloaded filters, it's under DataDir
)
// configuration is loaded from YAML
@ -24,14 +23,14 @@ type configuration struct {
ourConfigFilename string // Config filename (can be overriden via the command line arguments)
ourBinaryDir string // Location of our directory, used to protect against CWD being somewhere else
BindHost string `yaml:"bind_host"`
BindPort int `yaml:"bind_port"`
AuthName string `yaml:"auth_name"`
AuthPass string `yaml:"auth_pass"`
Language string `yaml:"language"` // two-letter ISO 639-1 language code
CoreDNS coreDNSConfig `yaml:"coredns"`
Filters []filter `yaml:"filters"`
UserRules []string `yaml:"user_rules,omitempty"`
BindHost string `yaml:"bind_host"`
BindPort int `yaml:"bind_port"`
AuthName string `yaml:"auth_name"`
AuthPass string `yaml:"auth_pass"`
Language string `yaml:"language"` // two-letter ISO 639-1 language code
DNS dnsConfig `yaml:"dns"`
Filters []filter `yaml:"filters"`
UserRules []string `yaml:"user_rules,omitempty"`
sync.RWMutex `yaml:"-"`
@ -39,16 +38,11 @@ type configuration struct {
}
// field ordering is important -- yaml fields will mirror ordering from here
type coreDNSConfig struct {
binaryFile string
coreFile string
Port int `yaml:"port"`
type dnsConfig struct {
Port int `yaml:"port"`
dnsforward.FilteringConfig `yaml:",inline"`
Pprof string `yaml:"-"`
Cache string `yaml:"-"`
Prometheus string `yaml:"-"`
BootstrapDNS string `yaml:"bootstrap_dns"`
UpstreamDNS []string `yaml:"upstream_dns"`
}
@ -60,10 +54,8 @@ var config = configuration{
ourConfigFilename: "AdGuardHome.yaml",
BindPort: 3000,
BindHost: "127.0.0.1",
CoreDNS: coreDNSConfig{
Port: 53,
binaryFile: "coredns", // only filename, no path
coreFile: "Corefile", // only filename, no path
DNS: dnsConfig{
Port: 53,
FilteringConfig: dnsforward.FilteringConfig{
ProtectionEnabled: true, // whether or not use any of dnsfilter features
FilteringEnabled: true, // whether or not use filter lists
@ -74,8 +66,6 @@ var config = configuration{
},
BootstrapDNS: "8.8.8.8:53",
UpstreamDNS: defaultDNS,
Cache: "cache",
Prometheus: "prometheus :9153",
},
Filters: []filter{
{Filter: dnsfilter.Filter{ID: 1}, Enabled: true, URL: "https://adguardteam.github.io/AdGuardSDNSFilter/Filters/filter.txt", Name: "AdGuard Simplified Domain Names filter"},

65
control.go
View File

@ -32,9 +32,9 @@ var client = &http.Client{
}
// -------------------
// coredns run control
// dns run control
// -------------------
func writeAllConfigsAndReloadCoreDNS() error {
func writeAllConfigsAndReloadDNS() error {
err := writeAllConfigs()
if err != nil {
log.Printf("Couldn't write all configs: %s", err)
@ -45,7 +45,7 @@ func writeAllConfigsAndReloadCoreDNS() error {
}
func httpUpdateConfigReloadDNSReturnOK(w http.ResponseWriter, r *http.Request) {
err := writeAllConfigsAndReloadCoreDNS()
err := writeAllConfigsAndReloadDNS()
if err != nil {
errortext := fmt.Sprintf("Couldn't write config file: %s", err)
log.Println(errortext)
@ -67,12 +67,12 @@ func returnOK(w http.ResponseWriter, r *http.Request) {
func handleStatus(w http.ResponseWriter, r *http.Request) {
data := map[string]interface{}{
"dns_address": config.BindHost,
"dns_port": config.CoreDNS.Port,
"protection_enabled": config.CoreDNS.ProtectionEnabled,
"querylog_enabled": config.CoreDNS.QueryLogEnabled,
"dns_port": config.DNS.Port,
"protection_enabled": config.DNS.ProtectionEnabled,
"querylog_enabled": config.DNS.QueryLogEnabled,
"running": isRunning(),
"bootstrap_dns": config.CoreDNS.BootstrapDNS,
"upstream_dns": config.CoreDNS.UpstreamDNS,
"bootstrap_dns": config.DNS.BootstrapDNS,
"upstream_dns": config.DNS.UpstreamDNS,
"version": VersionString,
"language": config.Language,
}
@ -95,12 +95,12 @@ func handleStatus(w http.ResponseWriter, r *http.Request) {
}
func handleProtectionEnable(w http.ResponseWriter, r *http.Request) {
config.CoreDNS.ProtectionEnabled = true
config.DNS.ProtectionEnabled = true
httpUpdateConfigReloadDNSReturnOK(w, r)
}
func handleProtectionDisable(w http.ResponseWriter, r *http.Request) {
config.CoreDNS.ProtectionEnabled = false
config.DNS.ProtectionEnabled = false
httpUpdateConfigReloadDNSReturnOK(w, r)
}
@ -108,12 +108,12 @@ func handleProtectionDisable(w http.ResponseWriter, r *http.Request) {
// stats
// -----
func handleQueryLogEnable(w http.ResponseWriter, r *http.Request) {
config.CoreDNS.QueryLogEnabled = true
config.DNS.QueryLogEnabled = true
httpUpdateConfigReloadDNSReturnOK(w, r)
}
func handleQueryLogDisable(w http.ResponseWriter, r *http.Request) {
config.CoreDNS.QueryLogEnabled = false
config.DNS.QueryLogEnabled = false
httpUpdateConfigReloadDNSReturnOK(w, r)
}
@ -135,9 +135,9 @@ func handleSetUpstreamDNS(w http.ResponseWriter, r *http.Request) {
hosts := strings.Fields(string(body))
if len(hosts) == 0 {
config.CoreDNS.UpstreamDNS = defaultDNS
config.DNS.UpstreamDNS = defaultDNS
} else {
config.CoreDNS.UpstreamDNS = hosts
config.DNS.UpstreamDNS = hosts
}
err = writeAllConfigs()
@ -243,7 +243,7 @@ func handleGetVersionJSON(w http.ResponseWriter, r *http.Request) {
resp, err := client.Get(versionCheckURL)
if err != nil {
errortext := fmt.Sprintf("Couldn't get querylog from coredns: %T %s\n", err, err)
errortext := fmt.Sprintf("Couldn't get version check json from %s: %T %s\n", versionCheckURL, err, err)
log.Println(errortext)
http.Error(w, errortext, http.StatusBadGateway)
return
@ -255,7 +255,7 @@ func handleGetVersionJSON(w http.ResponseWriter, r *http.Request) {
// read the body entirely
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
errortext := fmt.Sprintf("Couldn't read response body: %s", err)
errortext := fmt.Sprintf("Couldn't read response body from %s: %s", versionCheckURL, err)
log.Println(errortext)
http.Error(w, errortext, http.StatusBadGateway)
return
@ -278,18 +278,18 @@ func handleGetVersionJSON(w http.ResponseWriter, r *http.Request) {
// ---------
func handleFilteringEnable(w http.ResponseWriter, r *http.Request) {
config.CoreDNS.FilteringEnabled = true
config.DNS.FilteringEnabled = true
httpUpdateConfigReloadDNSReturnOK(w, r)
}
func handleFilteringDisable(w http.ResponseWriter, r *http.Request) {
config.CoreDNS.FilteringEnabled = false
config.DNS.FilteringEnabled = false
httpUpdateConfigReloadDNSReturnOK(w, r)
}
func handleFilteringStatus(w http.ResponseWriter, r *http.Request) {
data := map[string]interface{}{
"enabled": config.CoreDNS.FilteringEnabled,
"enabled": config.DNS.FilteringEnabled,
}
config.RLock()
@ -377,7 +377,8 @@ func handleFilteringAddURL(w http.ResponseWriter, r *http.Request) {
return
}
// URL is deemed valid, append it to filters, update config, write new filter file and tell coredns to reload it
// URL is deemed valid, append it to filters, update config, write new filter file and tell dns to reload it
// TODO: since we directly feed filters in-memory, revisit if writing configs is always neccessary
config.Filters = append(config.Filters, filter)
err = writeAllConfigs()
if err != nil {
@ -537,18 +538,18 @@ func handleFilteringRefresh(w http.ResponseWriter, r *http.Request) {
// ------------
func handleSafeBrowsingEnable(w http.ResponseWriter, r *http.Request) {
config.CoreDNS.SafeBrowsingEnabled = true
config.DNS.SafeBrowsingEnabled = true
httpUpdateConfigReloadDNSReturnOK(w, r)
}
func handleSafeBrowsingDisable(w http.ResponseWriter, r *http.Request) {
config.CoreDNS.SafeBrowsingEnabled = false
config.DNS.SafeBrowsingEnabled = false
httpUpdateConfigReloadDNSReturnOK(w, r)
}
func handleSafeBrowsingStatus(w http.ResponseWriter, r *http.Request) {
data := map[string]interface{}{
"enabled": config.CoreDNS.SafeBrowsingEnabled,
"enabled": config.DNS.SafeBrowsingEnabled,
}
jsonVal, err := json.Marshal(data)
if err != nil {
@ -611,22 +612,22 @@ func handleParentalEnable(w http.ResponseWriter, r *http.Request) {
http.Error(w, "Sensitivity must be set to valid value", 400)
return
}
config.CoreDNS.ParentalSensitivity = i
config.CoreDNS.ParentalEnabled = true
config.DNS.ParentalSensitivity = i
config.DNS.ParentalEnabled = true
httpUpdateConfigReloadDNSReturnOK(w, r)
}
func handleParentalDisable(w http.ResponseWriter, r *http.Request) {
config.CoreDNS.ParentalEnabled = false
config.DNS.ParentalEnabled = false
httpUpdateConfigReloadDNSReturnOK(w, r)
}
func handleParentalStatus(w http.ResponseWriter, r *http.Request) {
data := map[string]interface{}{
"enabled": config.CoreDNS.ParentalEnabled,
"enabled": config.DNS.ParentalEnabled,
}
if config.CoreDNS.ParentalEnabled {
data["sensitivity"] = config.CoreDNS.ParentalSensitivity
if config.DNS.ParentalEnabled {
data["sensitivity"] = config.DNS.ParentalSensitivity
}
jsonVal, err := json.Marshal(data)
if err != nil {
@ -651,18 +652,18 @@ func handleParentalStatus(w http.ResponseWriter, r *http.Request) {
// ------------
func handleSafeSearchEnable(w http.ResponseWriter, r *http.Request) {
config.CoreDNS.SafeSearchEnabled = true
config.DNS.SafeSearchEnabled = true
httpUpdateConfigReloadDNSReturnOK(w, r)
}
func handleSafeSearchDisable(w http.ResponseWriter, r *http.Request) {
config.CoreDNS.SafeSearchEnabled = false
config.DNS.SafeSearchEnabled = false
httpUpdateConfigReloadDNSReturnOK(w, r)
}
func handleSafeSearchStatus(w http.ResponseWriter, r *http.Request) {
data := map[string]interface{}{
"enabled": config.CoreDNS.SafeSearchEnabled,
"enabled": config.DNS.SafeSearchEnabled,
}
jsonVal, err := json.Marshal(data)
if err != nil {

6
coredns.go
View File

@ -31,12 +31,12 @@ func generateServerConfig() dnsforward.ServerConfig {
}
newconfig := dnsforward.ServerConfig{
UDPListenAddr: &net.UDPAddr{Port: config.CoreDNS.Port},
FilteringConfig: config.CoreDNS.FilteringConfig,
UDPListenAddr: &net.UDPAddr{Port: config.DNS.Port},
FilteringConfig: config.DNS.FilteringConfig,
Filters: filters,
}
for _, u := range config.CoreDNS.UpstreamDNS {
for _, u := range config.DNS.UpstreamDNS {
upstream, err := dnsforward.GetUpstream(u)
if err != nil {
log.Printf("Couldn't get upstream: %s", err)

49
upgrade.go
View File

@ -10,6 +10,8 @@ import (
"gopkg.in/yaml.v2"
)
const currentSchemaVersion = 2 // used for upgrading from old configs to new config
// Performs necessary upgrade operations if needed
func upgradeConfig() error {
// read a config file into an interface map, so we can manipulate values without losing any
@ -57,7 +59,12 @@ func upgradeConfig() error {
func upgradeConfigSchema(oldVersion int, diskConfig *map[string]interface{}) error {
switch oldVersion {
case 0:
err := upgradeSchema0to1(diskConfig)
err := upgradeSchema0to2(diskConfig)
if err != nil {
return err
}
case 1:
err := upgradeSchema1to2(diskConfig)
if err != nil {
return err
}
@ -83,14 +90,13 @@ func upgradeConfigSchema(oldVersion int, diskConfig *map[string]interface{}) err
return nil
}
// The first schema upgrade:
// No more "dnsfilter.txt", filters are now kept in data/filters/
func upgradeSchema0to1(diskConfig *map[string]interface{}) error {
log.Printf("%s(): called", _Func())
// The first schema upgrade:
// No more "dnsfilter.txt", filters are now kept in data/filters/
dnsFilterPath := filepath.Join(config.ourBinaryDir, "dnsfilter.txt")
_, err := os.Stat(dnsFilterPath)
if !os.IsNotExist(err) {
if _, err := os.Stat(dnsFilterPath); !os.IsNotExist(err) {
log.Printf("Deleting %s as we don't need it anymore", dnsFilterPath)
err = os.Remove(dnsFilterPath)
if err != nil {
@ -103,3 +109,36 @@ func upgradeSchema0to1(diskConfig *map[string]interface{}) error {
return nil
}
// Second schema upgrade:
// coredns is now dns in config
// delete 'Corefile', since we don't use that anymore
func upgradeSchema1to2(diskConfig *map[string]interface{}) error {
log.Printf("%s(): called", _Func())
coreFilePath := filepath.Join(config.ourBinaryDir, "Corefile")
if _, err := os.Stat(coreFilePath); !os.IsNotExist(err) {
log.Printf("Deleting %s as we don't need it anymore", coreFilePath)
err = os.Remove(coreFilePath)
if err != nil {
log.Printf("Cannot remove %s due to %s", coreFilePath, err)
// not fatal, move on
}
}
(*diskConfig)["dns"] = (*diskConfig)["coredns"]
delete((*diskConfig), "coredns")
(*diskConfig)["schema_version"] = 2
return nil
}
// jump two schemas at once -- this time we just do it sequentially
func upgradeSchema0to2(diskConfig *map[string]interface{}) error {
err := upgradeSchema0to1(diskConfig)
if err != nil {
return err
}
return upgradeSchema1to2(diskConfig)
}