grafana/pkg/models/datasource_cache_test.go
Arve Knudsen 5070f7a75b
Chore: Start harmonizing linting with plugin SDK (#25854)
* Chore: Harmonize linting with plugin SDK

Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>

* Chore: Fix linting issues

Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>
2020-06-29 14:08:32 +02:00

367 lines
12 KiB
Go

package models
import (
"io/ioutil"
"log"
"net/http"
"net/http/httptest"
"testing"
"time"
. "github.com/smartystreets/goconvey/convey"
"github.com/stretchr/testify/require"
"github.com/grafana/grafana/pkg/components/securejsondata"
"github.com/grafana/grafana/pkg/components/simplejson"
"github.com/grafana/grafana/pkg/setting"
"github.com/grafana/grafana/pkg/util"
)
//nolint:goconst
func TestDataSourceProxyCache(t *testing.T) {
Convey("When caching a datasource proxy", t, func() {
clearDSProxyCache()
ds := DataSource{
Id: 1,
Url: "http://k8s:8001",
Type: "Kubernetes",
}
t1, err := ds.GetHttpTransport()
So(err, ShouldBeNil)
t2, err := ds.GetHttpTransport()
So(err, ShouldBeNil)
Convey("Should be using the cached proxy", func() {
So(t2, ShouldEqual, t1)
})
Convey("Should verify TLS by default", func() {
So(t1.transport.TLSClientConfig.InsecureSkipVerify, ShouldEqual, false)
})
Convey("Should have no TLS client certificate configured", func() {
So(len(t1.transport.TLSClientConfig.Certificates), ShouldEqual, 0)
})
Convey("Should have no user-supplied TLS CA configured", func() {
So(t1.transport.TLSClientConfig.RootCAs, ShouldBeNil)
})
})
Convey("When caching a datasource proxy then updating it", t, func() {
clearDSProxyCache()
setting.SecretKey = "password"
json := simplejson.New()
json.Set("tlsAuthWithCACert", true)
tlsCaCert, err := util.Encrypt([]byte(caCert), "password")
So(err, ShouldBeNil)
ds := DataSource{
Id: 1,
Url: "http://k8s:8001",
Type: "Kubernetes",
SecureJsonData: map[string][]byte{"tlsCACert": tlsCaCert},
Updated: time.Now().Add(-2 * time.Minute),
}
t1, err := ds.GetHttpTransport()
So(err, ShouldBeNil)
Convey("Should verify TLS by default", func() {
So(t1.transport.TLSClientConfig.InsecureSkipVerify, ShouldEqual, false)
})
Convey("Should have no TLS client certificate configured", func() {
So(len(t1.transport.TLSClientConfig.Certificates), ShouldEqual, 0)
})
Convey("Should have no user-supplied TLS CA configured", func() {
So(t1.transport.TLSClientConfig.RootCAs, ShouldBeNil)
})
ds.JsonData = nil
ds.SecureJsonData = map[string][]byte{}
ds.Updated = time.Now()
t2, err := ds.GetHttpTransport()
So(err, ShouldBeNil)
Convey("Should have no user-supplied TLS CA configured after the update", func() {
So(t2.transport.TLSClientConfig.RootCAs, ShouldBeNil)
})
})
Convey("When caching a datasource proxy with TLS client authentication enabled", t, func() {
clearDSProxyCache()
setting.SecretKey = "password"
json := simplejson.New()
json.Set("tlsAuth", true)
tlsClientCert, err := util.Encrypt([]byte(clientCert), "password")
So(err, ShouldBeNil)
tlsClientKey, err := util.Encrypt([]byte(clientKey), "password")
So(err, ShouldBeNil)
ds := DataSource{
Id: 1,
Url: "http://k8s:8001",
Type: "Kubernetes",
JsonData: json,
SecureJsonData: map[string][]byte{
"tlsClientCert": tlsClientCert,
"tlsClientKey": tlsClientKey,
},
}
tr, err := ds.GetHttpTransport()
So(err, ShouldBeNil)
Convey("Should verify TLS by default", func() {
So(tr.transport.TLSClientConfig.InsecureSkipVerify, ShouldEqual, false)
})
Convey("Should have a TLS client certificate configured", func() {
So(len(tr.transport.TLSClientConfig.Certificates), ShouldEqual, 1)
})
})
Convey("When caching a datasource proxy with a user-supplied TLS CA", t, func() {
clearDSProxyCache()
setting.SecretKey = "password"
json := simplejson.New()
json.Set("tlsAuthWithCACert", true)
tlsCaCert, err := util.Encrypt([]byte(caCert), "password")
So(err, ShouldBeNil)
ds := DataSource{
Id: 1,
Url: "http://k8s:8001",
Type: "Kubernetes",
JsonData: json,
SecureJsonData: map[string][]byte{"tlsCACert": tlsCaCert},
}
tr, err := ds.GetHttpTransport()
So(err, ShouldBeNil)
Convey("Should verify TLS by default", func() {
So(tr.transport.TLSClientConfig.InsecureSkipVerify, ShouldEqual, false)
})
Convey("Should have a TLS CA configured", func() {
So(len(tr.transport.TLSClientConfig.RootCAs.Subjects()), ShouldEqual, 1)
})
})
Convey("When caching a datasource proxy when user skips TLS verification", t, func() {
clearDSProxyCache()
json := simplejson.New()
json.Set("tlsSkipVerify", true)
ds := DataSource{
Id: 1,
Url: "http://k8s:8001",
Type: "Kubernetes",
JsonData: json,
}
tr, err := ds.GetHttpTransport()
So(err, ShouldBeNil)
Convey("Should skip TLS verification", func() {
So(tr.transport.TLSClientConfig.InsecureSkipVerify, ShouldEqual, true)
})
})
Convey("When caching a datasource proxy with custom headers specified", t, func() {
clearDSProxyCache()
json := simplejson.NewFromAny(map[string]interface{}{
"httpHeaderName1": "Authorization",
})
encryptedData, err := util.Encrypt([]byte(`Bearer xf5yhfkpsnmgo`), setting.SecretKey)
if err != nil {
log.Fatal(err.Error())
}
ds := DataSource{
Id: 1,
Url: "http://k8s:8001",
Type: "Kubernetes",
JsonData: json,
SecureJsonData: map[string][]byte{"httpHeaderValue1": encryptedData},
}
Convey("Should match header value after decryption", func() {
headers := ds.getCustomHeaders()
So(headers["Authorization"], ShouldEqual, "Bearer xf5yhfkpsnmgo")
})
Convey("Should add header fields in HTTP Transport", func() {
// 1. Start HTTP test server which checks the request headers
backend := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
// Can't use So() here, see: https://github.com/smartystreets/goconvey/issues/561
if r.Header.Get("Authorization") == "Bearer xf5yhfkpsnmgo" {
w.WriteHeader(200)
_, err := w.Write([]byte("Ok"))
require.Nil(t, err)
return
}
w.WriteHeader(403)
_, err := w.Write([]byte("Invalid bearer token provided"))
require.Nil(t, err)
}))
defer backend.Close()
// 2. Get HTTP transport from datasource which uses the test server as backend
ds.Url = backend.URL
transport, err := ds.GetHttpTransport()
if err != nil {
log.Fatal(err.Error())
}
// 3. Send test request which should have the Authorization header set
req := httptest.NewRequest("GET", backend.URL+"/test-headers", nil)
res, err := transport.RoundTrip(req)
So(err, ShouldBeNil)
defer res.Body.Close()
body, err := ioutil.ReadAll(res.Body)
So(err, ShouldBeNil)
bodyStr := string(body)
So(bodyStr, ShouldEqual, "Ok")
})
})
}
func TestDataSourceDecryptionCache(t *testing.T) {
Convey("When datasource hasn't been updated, encrypted JSON should be fetched from cache", t, func() {
ClearDSDecryptionCache()
ds := DataSource{
Id: 1,
Type: DS_INFLUXDB_08,
JsonData: simplejson.New(),
User: "user",
SecureJsonData: securejsondata.GetEncryptedJsonData(map[string]string{
"password": "password",
}),
}
// Populate cache
password, ok := ds.DecryptedValue("password")
So(password, ShouldEqual, "password")
So(ok, ShouldBeTrue)
ds.SecureJsonData = securejsondata.GetEncryptedJsonData(map[string]string{
"password": "",
})
password, ok = ds.DecryptedValue("password")
So(password, ShouldEqual, "password")
So(ok, ShouldBeTrue)
})
Convey("When datasource is updated, encrypted JSON should not be fetched from cache", t, func() {
ClearDSDecryptionCache()
ds := DataSource{
Id: 1,
Type: DS_INFLUXDB_08,
JsonData: simplejson.New(),
User: "user",
SecureJsonData: securejsondata.GetEncryptedJsonData(map[string]string{
"password": "password",
}),
}
// Populate cache
password, ok := ds.DecryptedValue("password")
So(password, ShouldEqual, "password")
So(ok, ShouldBeTrue)
ds.SecureJsonData = securejsondata.GetEncryptedJsonData(map[string]string{
"password": "",
})
ds.Updated = time.Now()
password, ok = ds.DecryptedValue("password")
So(password, ShouldEqual, "")
So(ok, ShouldBeTrue)
})
}
func clearDSProxyCache() {
ptc.Lock()
defer ptc.Unlock()
ptc.cache = make(map[int64]cachedTransport)
}
const caCert string = `-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----`
const clientCert string = `
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----`
const clientKey string = `-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----`