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Merge pull request #2001 from bradrydzewski/master

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compare server and agent version numbers for compatibility
This commit is contained in:
Brad Rydzewski 2017-04-12 13:19:24 +02:00 • committed by GitHub
commit b703363f6d
14 changed files with 597 additions and 17 deletions
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2
drone/agent/agent.go
View file

@ -101,7 +101,7 @@ func loop(c *cli.Context) error {
),
rpc.WithHeader(
"X-Drone-Version",
version.Version,
version.Version.String(),
),
)
if err != nil {

2
drone/main.go
View file

@ -17,7 +17,7 @@ func main() {
app := cli.NewApp()
app.Name = "drone"
app.Version = version.Version
app.Version = version.Version.String()
app.Usage = "command line utility"
app.Flags = []cli.Flag{
cli.StringFlag{

27
plugins/internal/http.go
View file

@ -3,7 +3,6 @@ package internal
import (
"bytes"
"encoding/json"
"errors"
"io"
"io/ioutil"
"net/http"
@ -47,8 +46,14 @@ func Send(method, path string, in, out interface{}) error {
// if an error is encountered, parse and return the
// error response.
if resp.StatusCode > http.StatusPartialContent {
out, _ := ioutil.ReadAll(resp.Body)
return errors.New(string(out))
out, err := ioutil.ReadAll(resp.Body)
if err != nil {
return err
}
return &Error{
code: resp.StatusCode,
text: string(out),
}
}
// if a json response is expected, parse and return
@ -59,3 +64,19 @@ func Send(method, path string, in, out interface{}) error {
return nil
}
// Error represents a http error.
type Error struct {
code int
text string
}
// Code returns the http error code.
func (e *Error) Code() int {
return e.code
}
// Error returns the error message in string format.
func (e *Error) Error() string {
return e.text
}

5
plugins/sender/plugin.go
View file

@ -18,12 +18,11 @@ func NewRemote(endpoint string) model.SenderService {
func (p *plugin) SenderAllowed(user *model.User, repo *model.Repo, build *model.Build) (bool, error) {
path := fmt.Sprintf("%s/sender/%s/%s/%s", p.endpoint, repo.Owner, repo.Name, build.Sender)
out := new(model.Sender)
err := internal.Send("POST", path, build, out)
err := internal.Send("POST", path, build, nil)
if err != nil {
return false, err
}
return out.Allow, nil
return true, err
}
func (p *plugin) SenderCreate(repo *model.Repo, sender *model.Sender) error {

2
router/middleware/header/header.go
View file

@ -52,6 +52,6 @@ func Secure(c *gin.Context) {
// version information to the HTTP response. This is intended
// for debugging and troubleshooting.
func Version(c *gin.Context) {
c.Header("X-DRONE-VERSION", version.Version)
c.Header("X-DRONE-VERSION", version.Version.String())
c.Next()
}

2
router/middleware/version.go
View file

@ -8,5 +8,5 @@ import (
// Version is a middleware function that appends the Drone version information
// to the HTTP response. This is intended for debugging and troubleshooting.
func Version(c *gin.Context) {
c.Header("X-DRONE-VERSION", version.Version)
c.Header("X-DRONE-VERSION", version.Version.String())
}

4
server/pages.go
View file

@ -28,6 +28,10 @@ func ShowIndex(c *gin.Context) {
// ShowLogin is a legacy endpoint that now redirects to
// initiliaze the oauth flow
func ShowLogin(c *gin.Context) {
if err := c.Query("error"); err != "" {
c.HTML(500, "error.html", gin.H{"error": err})
return
}
c.Redirect(303, "/authorize")
}

14
server/rpc.go
View file

@ -7,15 +7,18 @@ import (
"log"
"strconv"
"github.com/Sirupsen/logrus"
"github.com/cncd/logging"
"github.com/cncd/pipeline/pipeline/rpc"
"github.com/cncd/pubsub"
"github.com/cncd/queue"
"github.com/coreos/go-semver/semver"
"github.com/gin-gonic/gin"
"github.com/drone/drone/model"
"github.com/drone/drone/remote"
"github.com/drone/drone/store"
"github.com/drone/drone/version"
)
// This file is a complete disaster because I'm trying to wedge in some
@ -86,6 +89,17 @@ func RPCHandler(c *gin.Context) {
c.String(401, "Unable to connect agent. Invalid authorization token")
return
}
agent := semver.New(
c.Request.Header.Get("X-Drone-Version"),
)
logrus.Debugf("agent connected: ip address %s: version %s", c.ClientIP(), agent)
if agent.LessThan(version.Version) {
logrus.Warnf("Version mismatch. Agent version %s < Server version %s", agent, version.Version)
c.String(409, "Version mismatch. Agent version %s < Server version %s", agent, version.Version)
return
}
peer := RPC{
remote: remote.FromContext(c),
store: store.FromContext(c),

17
server/template/files/error.html Normal file
View file

@ -0,0 +1,17 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"/>
<meta content="width=device-width, initial-scale=1" name="viewport"/>
<meta content="ie=edge" http-equiv="x-ua-compatible"/>
<link href="https://fonts.googleapis.com/css?family=Roboto" rel="stylesheet"/>
<link href="https://fonts.googleapis.com/css?family=Roboto+Mono" rel="stylesheet"/>
<link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet"/>
<link href="/static/favicon.ico" rel="icon" type="image/x-icon"/>
<link rel="stylesheet" href="/static/app.css" />
<title>error | drone</title>
</head>
<body>
{{ .error }}
</body>
</html>

202
vendor/github.com/coreos/go-semver/LICENSE generated vendored Normal file
View file

@ -0,0 +1,202 @@
Apache License
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http://www.apache.org/licenses/
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Unless required by applicable law or agreed to in writing, software
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
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275
vendor/github.com/coreos/go-semver/semver/semver.go generated vendored Normal file
View file

@ -0,0 +1,275 @@
// Copyright 2013-2015 CoreOS, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Semantic Versions http://semver.org
package semver
import (
"bytes"
"errors"
"fmt"
"strconv"
"strings"
)
type Version struct {
Major int64
Minor int64
Patch int64
PreRelease PreRelease
Metadata string
}
type PreRelease string
func splitOff(input *string, delim string) (val string) {
parts := strings.SplitN(*input, delim, 2)
if len(parts) == 2 {
*input = parts[0]
val = parts[1]
}
return val
}
func New(version string) *Version {
return Must(NewVersion(version))
}
func NewVersion(version string) (*Version, error) {
v := Version{}
if err := v.Set(version); err != nil {
return nil, err
}
return &v, nil
}
// Must is a helper for wrapping NewVersion and will panic if err is not nil.
func Must(v *Version, err error) *Version {
if err != nil {
panic(err)
}
return v
}
// Set parses and updates v from the given version string. Implements flag.Value
func (v *Version) Set(version string) error {
metadata := splitOff(&version, "+")
preRelease := PreRelease(splitOff(&version, "-"))
dotParts := strings.SplitN(version, ".", 3)
if len(dotParts) != 3 {
return fmt.Errorf("%s is not in dotted-tri format", version)
}
parsed := make([]int64, 3, 3)
for i, v := range dotParts[:3] {
val, err := strconv.ParseInt(v, 10, 64)
parsed[i] = val
if err != nil {
return err
}
}
v.Metadata = metadata
v.PreRelease = preRelease
v.Major = parsed[0]
v.Minor = parsed[1]
v.Patch = parsed[2]
return nil
}
func (v Version) String() string {
var buffer bytes.Buffer
fmt.Fprintf(&buffer, "%d.%d.%d", v.Major, v.Minor, v.Patch)
if v.PreRelease != "" {
fmt.Fprintf(&buffer, "-%s", v.PreRelease)
}
if v.Metadata != "" {
fmt.Fprintf(&buffer, "+%s", v.Metadata)
}
return buffer.String()
}
func (v *Version) UnmarshalYAML(unmarshal func(interface{}) error) error {
var data string
if err := unmarshal(&data); err != nil {
return err
}
return v.Set(data)
}
func (v Version) MarshalJSON() ([]byte, error) {
return []byte(`"` + v.String() + `"`), nil
}
func (v *Version) UnmarshalJSON(data []byte) error {
l := len(data)
if l == 0 || string(data) == `""` {
return nil
}
if l < 2 || data[0] != '"' || data[l-1] != '"' {
return errors.New("invalid semver string")
}
return v.Set(string(data[1 : l-1]))
}
// Compare tests if v is less than, equal to, or greater than versionB,
// returning -1, 0, or +1 respectively.
func (v Version) Compare(versionB Version) int {
if cmp := recursiveCompare(v.Slice(), versionB.Slice()); cmp != 0 {
return cmp
}
return preReleaseCompare(v, versionB)
}
// Equal tests if v is equal to versionB.
func (v Version) Equal(versionB Version) bool {
return v.Compare(versionB) == 0
}
// LessThan tests if v is less than versionB.
func (v Version) LessThan(versionB Version) bool {
return v.Compare(versionB) < 0
}
// Slice converts the comparable parts of the semver into a slice of integers.
func (v Version) Slice() []int64 {
return []int64{v.Major, v.Minor, v.Patch}
}
func (p PreRelease) Slice() []string {
preRelease := string(p)
return strings.Split(preRelease, ".")
}
func preReleaseCompare(versionA Version, versionB Version) int {
a := versionA.PreRelease
b := versionB.PreRelease
/* Handle the case where if two versions are otherwise equal it is the
* one without a PreRelease that is greater */
if len(a) == 0 && (len(b) > 0) {
return 1
} else if len(b) == 0 && (len(a) > 0) {
return -1
}
// If there is a prerelease, check and compare each part.
return recursivePreReleaseCompare(a.Slice(), b.Slice())
}
func recursiveCompare(versionA []int64, versionB []int64) int {
if len(versionA) == 0 {
return 0
}
a := versionA[0]
b := versionB[0]
if a > b {
return 1
} else if a < b {
return -1
}
return recursiveCompare(versionA[1:], versionB[1:])
}
func recursivePreReleaseCompare(versionA []string, versionB []string) int {
// A larger set of pre-release fields has a higher precedence than a smaller set,
// if all of the preceding identifiers are equal.
if len(versionA) == 0 {
if len(versionB) > 0 {
return -1
}
return 0
} else if len(versionB) == 0 {
// We're longer than versionB so return 1.
return 1
}
a := versionA[0]
b := versionB[0]
aInt := false
bInt := false
aI, err := strconv.Atoi(versionA[0])
if err == nil {
aInt = true
}
bI, err := strconv.Atoi(versionB[0])
if err == nil {
bInt = true
}
// Numeric identifiers always have lower precedence than non-numeric identifiers.
if aInt && !bInt {
return -1
} else if !aInt && bInt {
return 1
}
// Handle Integer Comparison
if aInt && bInt {
if aI > bI {
return 1
} else if aI < bI {
return -1
}
}
// Handle String Comparison
if a > b {
return 1
} else if a < b {
return -1
}
return recursivePreReleaseCompare(versionA[1:], versionB[1:])
}
// BumpMajor increments the Major field by 1 and resets all other fields to their default values
func (v *Version) BumpMajor() {
v.Major += 1
v.Minor = 0
v.Patch = 0
v.PreRelease = PreRelease("")
v.Metadata = ""
}
// BumpMinor increments the Minor field by 1 and resets all other fields to their default values
func (v *Version) BumpMinor() {
v.Minor += 1
v.Patch = 0
v.PreRelease = PreRelease("")
v.Metadata = ""
}
// BumpPatch increments the Patch field by 1 and resets all other fields to their default values
func (v *Version) BumpPatch() {
v.Patch += 1
v.PreRelease = PreRelease("")
v.Metadata = ""
}

38
vendor/github.com/coreos/go-semver/semver/sort.go generated vendored Normal file
View file

@ -0,0 +1,38 @@
// Copyright 2013-2015 CoreOS, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package semver
import (
"sort"
)
type Versions []*Version
func (s Versions) Len() int {
return len(s)
}
func (s Versions) Swap(i, j int) {
s[i], s[j] = s[j], s[i]
}
func (s Versions) Less(i, j int) bool {
return s[i].LessThan(*s[j])
}
// Sort sorts the given slice of Version
func Sort(versions []*Version) {
sort.Sort(Versions(versions))
}

6
vendor/vendor.json vendored
View file

@ -103,6 +103,12 @@
"revision": "63b1974bbcc9b4b251ed18f88edc3a643eb64ff7",
"revisionTime": "2017-04-06T02:25:48Z"
},
{
"checksumSHA1": "nux9tCYmTA5bOCVODF3Rqzcu60U=",
"path": "github.com/coreos/go-semver/semver",
"revision": "5e3acbb5668c4c3deb4842615c4098eb61fb6b1e",
"revisionTime": "2017-02-09T20:17:57Z"
},
{
"origin": "github.com/stretchr/testify/vendor/github.com/davecgh/go-spew/spew",
"path": "github.com/davecgh/go-spew/spew",

18
version/version.go
View file

@ -1,19 +1,23 @@
package version
import "fmt"
import "github.com/coreos/go-semver/semver"
var (
// VersionMajor is for an API incompatible changes
VersionMajor = 0
VersionMajor int64 = 0
// VersionMinor is for functionality in a backwards-compatible manner
VersionMinor = 6
VersionMinor int64 = 6
// VersionPatch is for backwards-compatible bug fixes
VersionPatch = 0
VersionPatch int64 = 0
// VersionDev indicates development branch. Releases will be empty string.
VersionDev = "dev"
VersionDev string
)
// Version is the specification version that the package types support.
var Version = fmt.Sprintf("%d.%d.%d+%s",
VersionMajor, VersionMinor, VersionPatch, VersionDev)
var Version = semver.Version{
Major: VersionMajor,
Minor: VersionMinor,
Patch: VersionPatch,
Metadata: VersionDev,
}