// Pusher push the localRepo to etcd.
func Pusher(etcdConn *etcd.Client, root, etcdRoot string) {
fmt.Printf("Push config from local dir <%s> to etcd dir <%s>\n", root, etcdRoot)
checkGitVersion()
// check if root is symbolic link and convert it
if r, err := filepath.EvalSymlinks(root); err == nil {
fmt.Printf("convert symbolic link root %s to %s\n", root, r)
root = r
}
// cd to repo or fatal
cdRepo(root)
// get local repo root
repoRoot := runSingleCmdOrFatal("git rev-parse --show-toplevel")
fmt.Printf("local repo root: %s\n", repoRoot)
// get repo name
repo := path.Base(repoRoot)
fmt.Printf("using repo: %s\n", repo)
// get path to git root
pathToRepo, err := filepath.Rel(repoRoot, root)
if err != nil {
log.Fatalf("unable to find relative path from <%s> to <%s>, err %s", repoRoot, root, err)
}
// get branch name
branch := runSingleCmdOrFatal("git rev-parse --abbrev-ref HEAD")
// TODO: may need to relax this constrain.
/*
if branch != allowedPusherBranch {
log.Fatalf("only %s branch is allowed to push, whereas you currently are in %s", allowedPusherBranch, branch)
}
*/
fmt.Printf("using branch: %s\n", branch)
// get commit hash
commitHash := runSingleCmdOrFatal("git rev-parse HEAD")
fmt.Printf("using commit: %s\n", commitHash)
// get timestamp, committer email and subject of a commit
info := runSingleCmdOrFatal("git show --quiet --pretty=%at:%ce:%s " + commitHash)
fmt.Printf("commit timestamp:email:subject: %s\n", info)
tokens := strings.Split(info, ":")
if len(tokens) < 3 {
log.Fatalf("commit info is not in the timestamp:email:subject format:%s\n", info)
}
tsstr, email, subject := tokens[0], tokens[1], strings.Join(tokens[2:], ":")
// convert tsstr to timestamp
timestamp, _ := strconv.ParseInt(tsstr, 10, 64)
// set etcd
remoteRoot := strings.Trim(etcdRoot, " \t")
if remoteRoot == "" {
log.Fatalf("etcdRoot is empty\n")
}
infoPath := fmt.Sprintf(infoPrefix, remoteRoot)
// check config root on etcd
resp, err := etcdConn.Get(remoteRoot, true, false)
if err != nil {
log.Fatalf("error testing remoteRoot, %s: %s\n", remoteRoot, err)
}
log.Infof("remoteRoot %s verified\n", remoteRoot)
// default etcdLastCommit is current repo newest commit
prevCFG := &config.ConfigInfo{}
etcdLastCommit := []byte(runSingleCmdOrFatal("git rev-list --max-parents=0 HEAD"))
etcdHasCommit := false
log.Infof("reading last pushed information for %s", infoPath)
resp, err = etcdConn.Get(infoPath, true, false)
if err == nil {
jerr := json.Unmarshal([]byte(resp.Node.Value), prevCFG)
if jerr == nil && prevCFG.Version != "" {
// read previous commit
etcdLastCommit = []byte(prevCFG.Version)
etcdHasCommit = true
}
} else {
// previos config is empty or invalid
log.Infof("previous configInfo doesn't exist")
}
// TODO: empty etcdLastCommit cause diff-tree to only print files of current commit.
filestr := runSingleCmdOrFatal(fmt.Sprintf("git diff-tree --no-commit-id --name-status -r %s %s %s", etcdLastCommit, commitHash, root))
// filter out files that are descendents of the rootpath
modFiles := filterRelatedFiles(root, repoRoot, filestr)
if len(*modFiles) == 0 {
promptUser("Remote repo seems to be already up-to-date "+
"(remote commit %s vs local commit %s). Do you want to continue?",
etcdLastCommit, commitHash)
} else {
fmt.Println("This push will notify the following file changes:")
for _, m := range *modFiles {
fmt.Printf("%+v\n", m)
}
fmt.Println("End of notify changes.")
}
if etcdHasCommit {
fmt.Printf("Remote commit: %s\n",
runSingleCmdOrFatal("git log --format=%h:%s(%aN) -n 1 "+string(etcdLastCommit)))
}
fmt.Printf("Local commit: %s\n",
runSingleCmdOrFatal("git log --format=%h:%s(%aN) -n 1 "+commitHash))
fmt.Printf("Total commit(s) to be pushed: %s\n",
runSingleCmdOrFatal("git rev-list --count "+commitHash+" ^"+string(etcdLastCommit)))
fmt.Printf("Files changed between remote/local commits:\n%s\n",
runSingleCmdOrFatal("git diff --name-only "+string(etcdLastCommit)+" "+commitHash+" "+root))
promptUser("Ready to push?")
// walk through the repo and save content
content := make(map[string]fileInfo)
// since Walk will pass in absolute path, we are going to take
// the root out from the beginning
sz := len(root)
walkFunc := func(path string, info os.FileInfo, err error) error {
if err != nil {
log.Fatalf("Unable to traverse file %s: %s", path, err)
}
// TODO: we no need to scan all the files in the localRepo. Just check the files which are tracked by git: git ls-files
// ignore .xxx file
base := filepath.Base(path)
// skip hidden dir, e.g. .git
if string(base[0]) == "." {
if info.IsDir() {
return filepath.SkipDir
}
return nil
}
bs := []byte{}
// for dir we set "" content
if !info.IsDir() {
bs, err = ioutil.ReadFile(path)
if err != nil {
log.Fatalf("error reading file %s: %s\n", path, err)
}
bs = bytes.TrimRight(bs, "\n\r")
}
// skip root
if path == root {
return nil
}
// remove root path
path = path[sz:]
content[path] = fileInfo{isDir: info.IsDir(), content: bs}
return nil
}
if err = filepath.Walk(root, walkFunc); err != nil {
log.Fatalf("error when traversing %s: %s\n", root, err)
}
configInfo := config.ConfigInfo{
Repo: repo,
Branch: branch,
Version: commitHash,
Commit: config.CommitInfo{
TimeStamp: timestamp,
CommitterEmail: email,
Subject: subject,
},
ModFiles: *modFiles,
PathToRepo: pathToRepo,
}
jsonBytes, err := json.Marshal(configInfo)
if err != nil {
log.Fatalf("error when marshal configInfo, err: %s", err)
}
fmt.Printf("ConfigInfo json: %s\n", string(jsonBytes[:len(jsonBytes)]))
// Get previous pusher information from root node for sanity check.
if !etcdHasCommit {
promptUser("There is no existing commit in remote tree. It could because " +
"you're pushing to a clean tree. Do you want to continue?")
} else {
// Sanity check of pusher info.
if configInfo.Repo != prevCFG.Repo {
promptUser("Repo to be pushed <%s> != remote repo name <%s>. Continue?",
configInfo.Repo, prevCFG.Repo)
}
if configInfo.Branch != prevCFG.Branch {
promptUser("Branch to be pushed <%s> != remote branch <%s>. Continue?",
configInfo.Branch, prevCFG.Branch)
}
if configInfo.PathToRepo != prevCFG.PathToRepo {
promptUser("Path to repo <%s> != remote path <%s>. Continue?",
configInfo.PathToRepo, prevCFG.PathToRepo)
}
}
keys := make([]string, len(content))
// sort content's keys
i := 0
for k := range content {
keys[i] = k
i++
}
sort.Strings(keys)
// set etcd content.
for _, k := range keys {
fileP := filepath.Join(remoteRoot, k)
fmt.Printf("creating or setting %s\n", fileP)
if content[k].isDir {
if _, err := etcdConn.Get(fileP, true, false); err != nil {
// dir doesn't exist
resp, err = etcdConn.SetDir(fileP, 0)
}
} else {
resp, err = etcdConn.Set(fileP, string(content[k].content), 0)
}
if err != nil {
log.Fatalf("error when setting znode >%s(%s + %s)<. Config server will be inconsistent: %s",
fileP, remoteRoot, k, err)
}
}
// go over deletes in commit
for _, mod := range *modFiles {
if strings.ToLower(mod.Op) != "d" {
continue
}
// it's a delete
// Find the relative path to etcd root.
fileP := filepath.Join(remoteRoot, mod.Path)
fmt.Printf("deleting %s (%s + %s)\n", fileP, remoteRoot, mod.Path)
_, err = etcdConn.Delete(fileP, true)
if err != nil {
log.Errorf("error deleting file >%s<. Will continue. error: %s\n", fileP, err)
}
// since git uses a file as a commit unit, there is nothing to do with folder.
// what we are going to do is to delete each fileP which is modified with "d" and its corresponding folder.
// If we still have children under that folder, deleting the folder will fail but we do not care.
pDir := filepath.Join(remoteRoot, path.Dir(mod.Path))
_, err = etcdConn.DeleteDir(pDir)
// In normal case, we should get an error.
// so just logging, if we have no error here.
if err == nil {
log.Errorf("error deleting dir >%s<.\n", pDir)
}
}
// touch the root node with commit info
_, err = etcdConn.Set(infoPath, string(jsonBytes), 0)
if err != nil {
log.Fatalf("error setting remoteRoot >%s<: %s\n", remoteRoot, err)
}
fmt.Printf("All done\n")
}
func addDNS(record string, service *kapi.Service, etcdClient *etcd.Client) error {
// if PortalIP is not set, a DNS entry should not be created
if !kapi.IsServiceIPSet(service) {
log.Printf("Skipping dns record for headless service: %s\n", service.Name)
return nil
}
for i := range service.Spec.Ports {
svc := skymsg.Service{
Host: service.Spec.PortalIP,
Port: service.Spec.Ports[i].Port,
Priority: 10,
Weight: 10,
Ttl: 30,
}
b, err := json.Marshal(svc)
if err != nil {
return err
}
// Set with no TTL, and hope that kubernetes events are accurate.
log.Printf("Setting DNS record: %v -> %s:%d\n", record, service.Spec.PortalIP, service.Spec.Ports[i].Port)
_, err = etcdClient.Set(skymsg.Path(record), string(b), uint64(0))
if err != nil {
return err
}
}
return nil
}
func dispatchCommand(c *cli.Context, client *etcd.Client, cmd *command.Command) {
targets := c.StringSlice("target")
if targets == nil || len(targets) == 0 {
log.Warningln("no target set! try to send command to all registered host.")
targets = fetchHosts(c, client)
}
if targets == nil {
log.Fatalln("no target to send command.")
} else {
log.Infoln("send command to: ", targets)
}
for _, target := range targets {
key := fmt.Sprintf("/beacon/commands/single/%s/%s/",
target, cmd.Id)
if c.GlobalString("prefix") != "" {
key = fmt.Sprintf("/%s%s", strings.Trim(c.GlobalString("prefix"), "/"), key)
}
if _, err := client.Set(key, cmd.Marshal(), 0); err != nil {
log.WithFields(log.Fields{
"error": err.Error(),
}).Fatalln("send command failed.")
}
}
}
// SetKey is used to log key value pairs to stdout/etcd so that dray can pass
// them down to subsequent images as needed. By default keys are logged to
// stdout as ----BEGIN PANAMAX DATA----\nkey=value\n----END PANAMAX DATA----
// tags. If LOG_TO env var is set to etcd, then keys are logged to etcd.
// The etcd api is set using ETCD_API env variable.
func SetKey(key string, value string) error {
logTo := os.Getenv("LOG_TO")
if logTo == "" {
logTo = "stdout"
}
logTo = strings.ToLower(logTo)
if logTo == "etcd" {
log.Info("Logging Keys to etcd...")
var ec *etcd.Client
eIP := os.Getenv("ETCD_API")
if eIP == "" {
eIP = "172.17.42.1:4001"
}
eIP = fmt.Sprintf("http://%s", eIP)
ms := []string{eIP}
ec = etcd.NewClient(ms)
_, e := ec.Set(key, value, 0)
if e != nil {
return e
}
} else {
fmt.Printf("\n----BEGIN PANAMAX DATA----\n%s=%s\n----END PANAMAX DATA----\n", key, value)
}
return nil
}
// SetEtcd sets an array of values into a test etcd instance.
func SetEtcd(t *testing.T, keys []string, values []string, c *etcd.Client) {
for i, key := range keys {
_, err := c.Set(key, values[i], 0)
if err != nil {
t.Fatal(err)
}
}
}
func AnnounceSite(id string, site Site, client *etcd.Client) {
key := fmt.Sprintf("/nginx/sites/%s", id)
value := FormatSite(site)
client.Set(key, value, 60)
log.Println("announcing", id, "as", value)
time.Sleep(30 * time.Second)
go AnnounceSite(id, site, client)
}
func beat(client *etcd.Client, ip string, conf *config.Config) {
for {
if _, err := client.Set(conf.Etcd_dir+"/"+ip, conf.Agent_id, uint64(conf.Heartbeat_interval*2)); err != nil {
log.Fatal(err)
}
fmt.Printf("%v beat sent.\n", time.Now())
time.Sleep(time.Second * time.Duration(conf.Heartbeat_interval))
}
}
func unlock(c *etcd.Client) {
for {
_, err := c.Set("lock", "unlock", 0)
if err == nil {
return
}
fmt.Println(err)
}
}
func setAll(c *etcd.Client, dir string, data map[string]string) error {
for name, item := range data {
_, err := c.Set(dir+name, item, 0)
if err != nil {
return err
}
}
return nil
}
// TrackStats is going to pull all pertinent system stats and update our state in etcd
func TrackMyStats(cli *etcd.Client, myid string, stats []string) {
for {
cli.Set(path.Join("fiddler/servers", myid), "present", 60)
for _, stat := range stats {
// Get the value for the stat and set cli key for the value
stat := NewStat(stat)
stat.write(myid, cli)
}
time.Sleep(3 * time.Second)
}
}
// heartbeat to etcd cluster until stop
func Heartbeat(client *etcd.Client, name string, taskID uint64, interval time.Duration, stop chan struct{}) error {
for {
_, err := client.Set(TaskHealthyPath(name, taskID), "health", computeTTL(interval))
if err != nil {
return err
}
select {
case <-time.After(interval):
case <-stop:
return nil
}
}
}
// Create Etcd directory structure from a map, slice or struct.
func Create(client *etcd.Client, path string, val reflect.Value) error {
// fmt.Printf("# %s : %s : %s\n", path, val.Kind(), val.Type())
switch val.Kind() {
case reflect.Ptr:
orig := val.Elem()
if !orig.IsValid() {
return nil
}
if err := Create(client, path, orig); err != nil {
return err
}
case reflect.Interface:
orig := val.Elem()
if err := Create(client, path, orig); err != nil {
return err
}
case reflect.Struct:
for i := 0; i < val.NumField(); i++ {
t := val.Type().Field(i)
k := t.Tag.Get("etcd")
if err := Create(client, path+"/"+k, val.Field(i)); err != nil {
return err
}
}
case reflect.Map:
for _, k := range val.MapKeys() {
v := val.MapIndex(k)
if err := Create(client, path+"/"+k.String(), v); err != nil {
return err
}
}
case reflect.Slice:
for i := 0; i < val.Len(); i++ {
Create(client, fmt.Sprintf("%s/%d", path, i), val.Index(i))
}
case reflect.String:
if _, err := client.Set(path, val.String(), 0); err != nil {
return err
}
case reflect.Bool, reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64,
reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Float32, reflect.Float64:
if _, err := client.Set(path, fmt.Sprintf("%v", val.Interface()), 0); err != nil {
return err
}
default:
return fmt.Errorf("unsupported type: %s for path: %s", val.Kind(), path)
}
return nil
}
func etcd_SetData(key string, value string) {
info := config.GetServerInfo()
log.Printf("info : %s\n", info.AccessString)
var client *etcd.Client = nil
client = etcd.NewClient(info.AccessString)
_, err := client.Set(key, value, 0)
if err != nil {
log.Fatal(err)
log.Printf("etcd_Setdata ERROR")
}
log.Printf("Current Set information: %s\n", value)
}
func TryOccupyTask(client *etcd.Client, name string, taskID uint64, connection string) (bool, error) {
_, err := client.Create(TaskHealthyPath(name, taskID), "health", 3)
if err != nil {
if strings.Contains(err.Error(), "Key already exists") {
return false, nil
}
return false, err
}
idStr := strconv.FormatUint(taskID, 10)
client.Delete(FreeTaskPath(name, idStr), false)
_, err = client.Set(TaskMasterPath(name, taskID), connection, 0)
if err != nil {
return false, err
}
return true, nil
}
func addDNS(record string, service *kapi.Service, etcdClient *etcd.Client) error {
svc := skymsg.Service{
Host: service.Spec.PortalIP,
Port: service.Spec.Port,
Priority: 10,
Weight: 10,
Ttl: 30,
}
b, err := json.Marshal(svc)
if err != nil {
return err
}
// Set with no TTL, and hope that kubernetes events are accurate.
log.Printf("Setting dns record: %v -> %s:%d\n", record, service.Spec.PortalIP, service.Spec.Port)
_, err = etcdClient.Set(skymsg.Path(record), string(b), uint64(0))
return err
}
// setCommandFunc executes the "set" command.
func setCommandFunc(cmd *cobra.Command, args []string, client *etcd.Client) (*etcd.Response, error) {
if len(args) == 0 {
return nil, errors.New("Key required")
}
key := args[0]
value, err := argOrStdin(args, os.Stdin, 1)
if err != nil {
return nil, errors.New("Value required")
}
ttl := ttlFlag
prevValue := swapWithValueFlag
prevIndex := swapWithIndexFlag
if prevValue == "" && prevIndex == 0 {
return client.Set(key, value, uint64(ttl))
} else {
return client.CompareAndSwap(key, value, uint64(ttl), prevValue, uint64(prevIndex))
}
}
func etcdClientSetUp(t *testing.T, rawClient *etcd.Client) map[string]interface{} {
var err error
if _, err = rawClient.SetDir("test", 0); err != nil {
t.Fatal(err)
}
if _, err = rawClient.Set("test/index", "1", 0); err != nil {
t.Fatal(err)
}
if _, err = rawClient.SetDir("test/values", 0); err != nil {
t.Fatal(err)
}
if _, err = rawClient.Set("test/values/a", "aye", 0); err != nil {
t.Fatal(err)
}
if _, err = rawClient.Set("test/values/b", "bee", 0); err != nil {
t.Fatal(err)
}
want := make(map[string]interface{})
wantValues := make(map[string]interface{})
wantValues["a"] = "aye"
wantValues["b"] = "bee"
want["values"] = wantValues
want["index"] = "1"
return want
}
func AddService(client *etcd.Client, s *Service) error {
basekey := appendPrefix(fmt.Sprintf("/beacon/registry/%s/haproxy/%s/%s",
s.Cluster, s.Proto, s.Name), s.Prefix)
k := basekey + "/listen"
log.WithFields(log.Fields{
"key": k,
"value": s.Listen,
}).Debugln("start to add a new service key.")
if _, err := client.Set(k, s.Listen, 0); err != nil {
return err
}
if s.Proto == "http" {
if s.Backend == "" {
return errors.New("backend name is required.")
}
hostDir := fmt.Sprintf("%s/backends/%s/hosts", basekey, s.Backend)
if s.Hosts != nil {
for _, host := range s.Hosts {
log.WithFields(log.Fields{
"key": hostDir,
"host": host,
}).Debugln("register new host.")
if _, err := client.Set(fmt.Sprintf("%s/%s", hostDir, host), "", 0); err != nil {
return err
}
}
}
}
log.WithFields(log.Fields{
"name": s.Name,
"backend": s.Backend,
"proto": s.Proto,
"listen": s.Listen,
"hosts": s.Hosts,
}).Infoln("service registered.")
return nil
}
func RegisterService(client *etcd.Client, service services.Service, ttl time.Duration) {
keyPrefix := fmt.Sprintf("/services/%s/%s/", service.Service, service.Id)
var attributes map[string]string = make(map[string]string)
attributes["address"] = service.Address
for key, value := range service.Labels {
if key == "address" {
fmt.Println("WARNING: overriding address(%s) with label: %s", service.Address, value)
}
attributes[key] = value
}
// create service/id dir with ttl
client.SetDir(keyPrefix, uint64(ttl.Seconds()))
for key, value := range attributes {
_, err := client.Set(keyPrefix+key, value, 0)
if err != nil {
fmt.Println(err)
// abort current registration
return
}
}
}
// IsEtcdHealthy indicates whether etcd can respond to requests.
func IsEtcdHealthy(client *etcd.Client) (ok bool, err error) {
fakeID, err := id.Generate()
if err != nil {
return false, fmt.Errorf("Error generating health check key: %s", err)
}
key, expected := "status_"+fakeID, "test"
if _, err = client.Set(key, expected, uint64(3*time.Second)); err != nil {
return false, fmt.Errorf("Error storing health check key %#v: %s",
key, err)
}
resp, err := client.Get(key, false, false)
if err != nil {
return false, fmt.Errorf("Error fetching health check key %#v: %s",
key, err)
}
if resp.Node.Value != expected {
return false, fmt.Errorf(
"Unexpected value for health check key %#v: got %s; want %s",
key, resp.Node.Value, expected)
}
return true, nil
}
func NewValueSync(action string, config ValueConfig, client *etcd.Client, task *Task) *ValueSync {
var (
res *etcd.Response
err error
)
switch action {
case GET:
res, err = client.Get(config.Path, true, true)
if err != nil {
log.Printf("Error:: %s [Get] - %s", config.Name, err)
}
case SET:
_, err := client.Get(config.Path, true, true)
if (err != nil) || config.ForceSet {
log.Printf("Setting: %s - %s", config.Path, config.Value)
res, err = client.Set(config.Path, config.Value, config.TTL)
if err != nil {
log.Printf("Error:: %s [Set] - %s", config.Name, err)
}
}
}
if res == nil {
res = &etcd.Response{}
}
sync := &ValueSync{
Task: task,
Config: config,
Client: client,
Action: action,
Path: config.Path,
}
sync.UpdateTaskVars(res)
return sync
}
func setEtcd(client *etcd.Client, key, value string, ttl uint64) {
_, err := client.Set(key, value, ttl)
if err != nil && !strings.Contains(err.Error(), "Key already exists") {
log.Println(err)
}
}
func (stat *Stat) write(myid string, cli *etcd.Client) {
stat.Value = stat.GetStatValue()
value := strconv.FormatFloat(stat.Value, 'f', -1, 64)
cli.Set(path.Join("fiddler/stats", stat.StatType, myid), value, 60)
}
func SetJobStatus(client *etcd.Client, name string, status int) error {
_, err := client.Set(JobStatusPath(name), "done", 0)
return err
}
func announce(key string, server Server, etc *etcd.Client) {
marshal, _ := json.Marshal(server)
value := string(marshal)
etc.Set(key, value, 10)
}
func setDefaultEtcd(client *etcd.Client, key, value string) {
_, err := client.Set(key, value, 0)
if err != nil {
log.Warn(err)
}
}
func setEtcd(client *etcd.Client, key, value string, ttl uint64) {
_, err := client.Set(key, value, ttl)
if err != nil {
log.Warn(err)
}
}
// report failure to etcd cluster
// If a framework detects a failure, it tries to report failure to /FreeTasks/{taskID}
func ReportFailure(client *etcd.Client, name, failedTask string) error {
_, err := client.Set(FreeTaskPath(name, failedTask), "failed", 0)
return err
}
func TestNodeFs(t *testing.T) {
g := Goblin(t)
g.Describe("File", func() {
var etcd *etcdm.Client
var fs testEtcdFsMount
g.Before(func() {
etcd = etcdm.NewClient([]string{testEtcdEndpoint})
})
g.BeforeEach(func() {
etcd.RawDelete("/test", true, true)
etcd.SetDir("/test", 0)
fs = NewTestEtcdFsMount()
})
g.AfterEach(func() {
fs.Unmount()
})
g.Describe("Open", func() {
g.It("Should be supported", func() {
if _, e := etcd.Set("/test/foo", "bar", 0); e != nil {
g.Fail(e)
}
file, err := os.Open(fs.Path() + "/test/foo")
if err != nil {
g.Fail(err)
}
file.Close()
})
})
g.Describe("Create", func() {
g.It("Should be supported", func() {
file, err := os.Create(fs.Path() + "/test/bar")
if err != nil {
g.Fail(err)
}
file.Close()
if _, er := etcd.Get("/test/bar", false, false); er != nil {
g.Fail(er)
}
})
})
g.Describe("Delete", func() {
g.It("Should be supported", func() {
etcd.Set("/test/barfoo", "lala", 0)
err := os.Remove(fs.Path() + "/test/barfoo")
if err != nil {
g.Fail(err)
}
if _, er := etcd.Get("/test/barfoo", false, false); er == nil {
g.Fail("The key [/test/barfoo] should not exist")
}
})
})
g.Describe("Read", func() {
g.It("Should be supported", func() {
etcd.Set("/test/bar", "foo", 0)
data, err := ioutil.ReadFile(fs.Path() + "/test/bar")
if err != nil {
g.Fail(err)
}
g.Assert(string(data)).Equal("foo")
})
})
g.Describe("Write", func() {
g.It("Should be supported", func() {
if err := ioutil.WriteFile(fs.Path()+"/test/foobar", []byte("hello world"), 0666); err != nil {
g.Fail(err)
}
res, err := etcd.Get("/test/foobar", false, false)
if err != nil {
g.Fail(err)
}
g.Assert(res.Node.Value).Equal("hello world")
})
})
})
}