// Return the given interface as a YAML byte slice.
func toYaml(i interface{}) []byte {
data, err := yaml.Marshal(i)
if err != nil {
panic(err)
}
return data
}
func yamlFn(v interface{}) (string, error) {
data, err := yaml.Marshal(v)
if err != nil {
return "", err
}
return string(data), nil
}
func (metadata *RightScriptMetadata) WriteTo(script io.Writer) (n int64, err error) {
if metadata.Comment == "" {
metadata.Comment = "#"
}
if metadata.Inputs == nil {
metadata.Inputs = InputMap{}
}
c, err := fmt.Fprintf(script, "%s ---\n", metadata.Comment)
if n += int64(c); err != nil {
return
}
yml, err := yaml.Marshal(metadata)
scanner := bufio.NewScanner(bytes.NewBuffer(yml))
for scanner.Scan() {
c, err = fmt.Fprintf(script, "%s %s\n", metadata.Comment, scanner.Text())
if n += int64(c); err != nil {
return
}
}
if err = scanner.Err(); err != nil {
return
}
c, err = fmt.Fprintf(script, "%s ...\n", metadata.Comment)
if n += int64(c); err != nil {
return
}
return
}
// Execute runs the command
func (c *CommandPush) Execute(b *Build) (State, error) {
if len(c.cfg.args) != 1 {
return b.state, fmt.Errorf("PUSH requires exactly one argument")
}
if b.state.ImageID == "" {
return b.state, fmt.Errorf("Cannot PUSH empty image")
}
if err := b.client.TagImage(b.state.ImageID, c.cfg.args[0]); err != nil {
return b.state, err
}
image := imagename.NewFromString(c.cfg.args[0])
artifact := imagename.Artifact{
Name: image,
Pushed: b.cfg.Push,
Tag: image.GetTag(),
ImageID: b.state.ImageID,
BuildTime: time.Now(),
}
// push image and add some lines to artifacts
if b.cfg.Push {
digest, err := b.client.PushImage(image.String())
if err != nil {
return b.state, err
}
artifact.Digest = digest
artifact.Addressable = fmt.Sprintf("%s@%s", image.NameWithRegistry(), digest)
} else {
log.Infof("| Don't push. Pass --push flag to actually push to the registry")
}
// Publish artifact files
if b.cfg.ArtifactsPath != "" {
if err := os.MkdirAll(b.cfg.ArtifactsPath, 0755); err != nil {
return b.state, fmt.Errorf("Failed to create directory %s for the artifacts, error: %s", b.cfg.ArtifactsPath, err)
}
filePath := filepath.Join(b.cfg.ArtifactsPath, artifact.GetFileName())
artifacts := imagename.Artifacts{
[]imagename.Artifact{artifact},
}
content, err := yaml.Marshal(artifacts)
if err != nil {
return b.state, err
}
if err := ioutil.WriteFile(filePath, content, 0644); err != nil {
return b.state, fmt.Errorf("Failed to write artifact file %s, error: %s", filePath, err)
}
log.Infof("| Saved artifact file %s", filePath)
log.Debugf("Artifact properties: %# v", pretty.Formatter(artifact))
}
return b.state, nil
}
func yamlFn(args ...interface{}) (result string, err error) {
var (
i = 0
input interface{}
)
if len(args) == 1 {
input = args[0]
} else if len(args) == 2 {
if i, err = interfaceToInt(args[0]); err != nil {
return "", err
}
input = args[1]
} else {
return "", fmt.Errorf("yaml helper expects from 1 to 2 arguments, %d given", len(args))
}
data, err := yaml.Marshal(input)
if err != nil {
return "", err
}
result = string(data)
if i > 0 {
result = indent(strings.Repeat(" ", i), result)
}
return result, nil
}
// CreateContainerOptions returns create configuration eatable by go-dockerclient
func (a *Container) CreateContainerOptions() (*docker.CreateContainerOptions, error) {
apiConfig := a.Config.GetAPIConfig()
yamlData, err := yaml.Marshal(a.Config)
if err != nil {
return nil, err
}
// Copy labels because we want to assign some extra stuff
labels := map[string]string{}
for k, v := range apiConfig.Labels {
labels[k] = v
}
labels["rocker-compose-id"] = util.GenerateRandomID()
labels["rocker-compose-config"] = string(yamlData)
apiConfig.Labels = labels
apiConfig.Image = a.Image.String()
return &docker.CreateContainerOptions{
Name: a.Name.String(),
Config: apiConfig,
HostConfig: a.Config.GetAPIHostConfig(),
}, nil
}
func (c *Config) Dump() (yamlDoc string, err error) {
defer errs.PassE(&err)
buf, err := yaml.Marshal(c.ast)
errs.CheckE(err)
yamlDoc = string(buf)
return
}
func TestYamlLink(t *testing.T) {
assertions := map[string]string{
"platform.statsd": "platform.statsd:statsd",
"platform.statsd:metrics": "platform.statsd:metrics",
"/platform.statsd": "platform.statsd:statsd",
"/platform.statsd:metrics": "platform.statsd:metrics",
"statsd": "statsd:statsd",
"statsd:metrics": "statsd:metrics",
".statsd": "statsd:statsd",
".statsd:metrics": "statsd:metrics",
"": "\"\"",
}
for inYaml, outYaml := range assertions {
v := Link{}
if err := yaml.Unmarshal([]byte(inYaml), &v); err != nil {
t.Fatal(err)
}
data, err := yaml.Marshal(v)
if err != nil {
t.Fatal(err)
}
assert.Equal(t, outYaml, strings.TrimSpace(string(data)))
}
}
func (s *Supervisor) saveDB() error {
s.mu.Lock()
defer s.mu.Unlock()
data, err := yaml.Marshal(s.programs())
if err != nil {
return err
}
return ioutil.WriteFile(s.programPath(), data, 0644)
}
func TestImagename_ToYaml(t *testing.T) {
value := struct {
Name *ImageName
}{
NewFromString("hub/ns/name:1"),
}
data, err := yaml.Marshal(value)
if err != nil {
t.Fatal(err)
}
assert.Equal(t, "name: hub/ns/name:1\n", string(data))
}
func (config *ConfigViper) ShowConfiguration(output io.Writer) error {
// Check if config file exists
if _, err := os.Stat(config.ConfigFileUsed()); err != nil {
return err
}
yml, err := yaml.Marshal(config.AllSettings())
if err != nil {
return err
}
output.Write(yml)
return nil
}
func (a *yamlTestCases) run(t *testing.T) error {
for inYaml, outYaml := range a.assertions {
v := &Container{}
if err := yaml.Unmarshal([]byte(inYaml), v); err != nil {
return fmt.Errorf("Failed unmarshal for test %q, error: %s", inYaml, err)
}
data, err := yaml.Marshal(v)
if err != nil {
return fmt.Errorf("Failed marshal for test %q, error: %s", inYaml, err)
}
assert.Equal(t, outYaml, strings.TrimSpace(string(data)))
}
return nil
}
func compareYaml(name string, a, b *Container) (bool, error) {
av := reflect.Indirect(reflect.ValueOf(a)).FieldByName(name)
bv := reflect.Indirect(reflect.ValueOf(b)).FieldByName(name)
isSlice := av.Type().Kind() == reflect.Slice
isMap := av.Type().Kind() == reflect.Map
// empty values and nil pointer should be considered equal
if av.IsNil() && !isSlice && !isMap {
av = reflect.New(av.Type().Elem())
}
if bv.IsNil() && !isSlice && !isMap {
bv = reflect.New(bv.Type().Elem())
}
// sort lists which should not consider different order to be a change
if isSlice && name != "Entrypoint" && name != "Cmd" {
aSorted := newYamlSortable(av)
sort.Sort(aSorted)
av = reflect.ValueOf(aSorted)
bSorted := newYamlSortable(bv)
sort.Sort(bSorted)
bv = reflect.ValueOf(bSorted)
}
yml1, err := yaml.Marshal(av.Interface())
if err != nil {
return false, err
}
yml2, err := yaml.Marshal(bv.Interface())
if err != nil {
return false, err
}
return string(yml1) == string(yml2), nil
}
func (self *Api) UpdateAuth(token *oauth2.Token) error {
// Save auth data
log.WithFields(log.Fields{"Target": self.AuthFile}).Debug("Saving authentication data")
yml, err := yaml.Marshal(&token)
if err != nil {
return err
}
err = ioutil.WriteFile(self.AuthFile, yml, 0600)
if err != nil {
return err
}
return nil
}
// WriteConfig writes config from file to structure
func WriteConfig(config Config, fname string) error {
yamlConfig := &yamlConfig{}
yamlConfig.Services = make([]yamlServiceConfig, len(config.Services))
i := 0
for k, v := range config.Services {
ysc := &yamlServiceConfig{}
ysc.Service = k
ysc.Api = v.Common.Api
ysc.Config = v.ServiceSpecific
yamlConfig.Services[i] = *ysc
i++
}
b, err := yaml.Marshal(yamlConfig)
if err != nil {
return err
}
return ioutil.WriteFile(fname, b, 0777)
}
func readConf(filename string) (c Configuration, err error) {
// initial default value
c.Server.Addr = ":11313" // in memory of 08-31 13:13
c.Client.ServerURL = "http://localhost:11313"
data, err := ioutil.ReadFile(filename)
if err != nil {
data = []byte("")
}
err = yaml.Unmarshal(data, &c)
if err != nil {
return
}
cfgDir := filepath.Dir(filename)
if !IsDir(cfgDir) {
os.MkdirAll(cfgDir, 0755)
}
data, _ = yaml.Marshal(c)
err = ioutil.WriteFile(filename, data, 0644)
return
}
func TestYamlPortBinding(t *testing.T) {
assertions := map[string]string{
"": "\"\"",
"8000": "8000/tcp",
"8125/udp": "8125/udp",
"8081:8000": "8081:8000/tcp",
"8126:8125/udp": "8126:8125/udp",
"0.0.0.0::5959": "0.0.0.0::5959/tcp",
"0.0.0.0:8081:80": "0.0.0.0:8081:80/tcp",
"0.0.0.0:8126:8125/udp": "0.0.0.0:8126:8125/udp",
}
for inYaml, outYaml := range assertions {
v := PortBinding{}
if err := yaml.Unmarshal([]byte(inYaml), &v); err != nil {
t.Fatal(err)
}
data, err := yaml.Marshal(v)
if err != nil {
t.Fatal(err)
}
assert.Equal(t, outYaml, strings.TrimSpace(string(data)))
}
}
// Process processes the code yielding a []byte of the YAML
// representation of the Swagger defintion. The processing rules are
// as follows:
// 1. For each common.Service found, go over its Routes (whatever Routes() method yields)
// and based on that create the paths and operations.
// 2. For structs, field-level comments are taken from the description value of
// "romana" structure tag. For example:
// type Policy struct {
// Direction string `json:"direction,omitempty" romana:"desc:Direction is one of 'ingress' or egress'."`
// ...
// }
func (rd *Swaggerer) Process() ([]byte, error) {
rd.init()
rd.swagger.Paths = rd.getPaths()
json, err := yaml.Marshal(rd.swagger)
return json, err
}
func (items yamlSortable) Less(i, j int) bool {
yml1, _ := yaml.Marshal(items[i])
yml2, _ := yaml.Marshal(items[j])
return string(yml1) < string(yml2)
}
// Obtain input via STDIN then print out to config file
// Example of config file
// login:
// default_account: acct1
// accounts:
// acct1:
// id: 67972
// host: us-3.rightscale.com
// refresh_token: abc123abc123abc123abc123abc123abc123abc1
// acct2:
// id: 60073
// host: us-4.rightscale.com
// refresh_token: zxy987zxy987zxy987zxy987xzy987zxy987xzy9
func (config *ConfigViper) SetAccount(name string, setDefault bool, input io.Reader, output io.Writer) error {
// if the default account isn't set we should set it to the account we are setting
if !config.IsSet("login.default_account") {
setDefault = true
}
// get the settings and specifically the login settings into a map we can manipulate and marshal to YAML unhindered
// by the meddling of the Viper
settings := config.AllSettings()
loginSettings := settings["login"].(map[interface{}]interface{})
// set the default account if we want or need to
if setDefault {
loginSettings["default_account"] = name
}
// get the previous value for the named account if it exists and construct a new account to populate
oldAccount, ok := config.Accounts[name]
newAccount := &Account{}
// prompt for the account ID and use the old value if nothing is entered
fmt.Fprint(output, "Account ID")
if ok {
fmt.Fprintf(output, " (%d)", oldAccount.Id)
}
fmt.Fprint(output, ": ")
fmt.Fscanln(input, &newAccount.Id)
if ok && newAccount.Id == 0 {
newAccount.Id = oldAccount.Id
}
// prompt for the API endpoint host and use the old value if nothing is entered
fmt.Fprint(output, "API endpoint host")
if ok {
fmt.Fprintf(output, " (%s)", oldAccount.Host)
}
fmt.Fprint(output, ": ")
fmt.Fscanln(input, &newAccount.Host)
if ok && newAccount.Host == "" {
newAccount.Host = oldAccount.Host
}
// prompt for the refresh token and use the old value if nothing is entered
fmt.Fprint(output, "Refresh token")
if ok {
fmt.Fprintf(output, " (%s)", oldAccount.RefreshToken)
}
fmt.Fprint(output, ": ")
fmt.Fscanln(input, &newAccount.RefreshToken)
if ok && newAccount.RefreshToken == "" {
newAccount.RefreshToken = oldAccount.RefreshToken
}
// add the new account to the map of accounts overwriting any old value
accounts := loginSettings["accounts"].(map[interface{}]interface{})
accounts[name] = newAccount
// render the settings map as YAML
yml, err := yaml.Marshal(settings)
if err != nil {
return err
}
configPath := config.ConfigFileUsed()
// back up the current config file before writing a new one or if one does not exist, make sure the directory exists
if err := os.Rename(configPath, configPath+".bak"); err != nil {
if os.IsNotExist(err) {
if err := os.MkdirAll(filepath.Dir(configPath), 0700); err != nil {
return err
}
} else {
return err
}
}
// create a new config file which only the current user can read or write
configFile, err := os.OpenFile(configPath, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0600)
if err != nil {
return err
}
defer configFile.Close()
// write the YAML into the config file
if _, err := configFile.Write(yml); err != nil {
return err
}
return nil
}
func pinCommand(ctx *cli.Context) {
initLogs(ctx)
var (
vars template.Vars
data []byte
output = ctx.String("output")
format = ctx.String("type")
local = ctx.BoolT("local")
hub = ctx.BoolT("hub")
fd = os.Stdout
)
if output == "-" && !ctx.GlobalIsSet("verbose") {
log.SetLevel(log.WarnLevel)
}
dockerCli := initDockerClient(ctx)
config := initComposeConfig(ctx, dockerCli)
auth := initAuthConfig(ctx)
compose, err := compose.New(&compose.Config{
Manifest: config,
Docker: dockerCli,
Auth: auth,
})
if err != nil {
log.Fatal(err)
}
if vars, err = compose.PinAction(local, hub); err != nil {
log.Fatal(err)
}
if output != "-" {
if fd, err = os.Create(output); err != nil {
log.Fatal(err)
}
defer fd.Close()
if ext := filepath.Ext(output); !ctx.IsSet("type") && ext == ".json" {
format = "json"
}
}
switch format {
case "yaml":
if data, err = yaml.Marshal(vars); err != nil {
log.Fatal(err)
}
case "json":
if data, err = json.Marshal(vars); err != nil {
log.Fatal(err)
}
default:
log.Fatalf("Possible tyoes are `yaml` and `json`, unknown type `%s`", format)
}
if _, err := io.Copy(fd, bytes.NewReader(data)); err != nil {
log.Fatal(err)
}
}
func main() {
func() {
rs := make(map[string]interface{})
rs["Go"] = "Google"
d, err := yaml.Marshal(rs)
if err != nil {
panic(err)
}
fmt.Println()
fmt.Printf("yaml.Marshal with map: %+v\n", string(d))
// yaml.Marshal with map: Go: Google
}()
func() {
rs := make(map[interface{}]interface{})
if err := yaml.Unmarshal([]byte(sourceData), &rs); err != nil {
panic(err)
}
fmt.Println()
fmt.Printf("yaml.Unmarshal with map: %+v\n", rs)
// yaml.Unmarshal with map: map[platform:map[desktop:map[] mobile:map[]
// ...
for k := range rs {
switch t := k.(type) {
case string:
fmt.Println(t)
}
}
}()
func() {
rs := struct {
Name string
Number int `num`
Category struct {
Location string
} `Category`
}{}
rs.Name = "Google"
rs.Category = struct {
Location string
}{
Location: "USA",
}
d, err := yaml.Marshal(rs)
if err != nil {
panic(err)
}
fmt.Println()
fmt.Printf("yaml.Marshal with struct:\n%+v\n", string(d))
// yaml.Marshal with struct:
/*
name: Google
num: 0
Category:
location: USA
*/
}()
func() {
rs := data{}
if err := yaml.Unmarshal([]byte(sourceData), &rs); err != nil {
panic(err)
}
fmt.Println()
fmt.Printf("yaml.Unmarshal with struct: %+v\n", rs)
// yaml.Unmarshal with struct: {ProductType:[{PartID:6496293} {PartID:6493671}]}
}()
fmt.Println()
fmt.Println("isJSON:", isJSON([]byte(sourceData)))
// false
}
func (m *Migration) ConvertToYaml() (string, error) {
yamlBytes, err := yaml.Marshal(m.Content)
return string(yamlBytes), err
}
func stDownload(href, downloadTo string, usePublished bool, downloadMciSettings bool, scriptPath string) {
client, _ := Config.Account.Client15()
stLocator := client.ServerTemplateLocator(href)
st, err := stLocator.Show(rsapi.APIParams{"view": "inputs_2_0"})
if err != nil {
fatalError("Could not find ServerTemplate with href %s: %s", href, err.Error())
}
if downloadTo == "" {
downloadTo = cleanFileName(st.Name) + ".yml"
} else if isDirectory(downloadTo) {
downloadTo = filepath.Join(downloadTo, cleanFileName(st.Name)+".yml")
}
fmt.Printf("Downloading '%s' to '%s'\n", st.Name, downloadTo)
//-------------------------------------
// MultiCloudImages
//-------------------------------------
mcis, err := downloadMultiCloudImages(st, downloadMciSettings)
if err != nil {
fatalError("Could not get MCIs from API: %s", err.Error())
}
//-------------------------------------
// RightScripts
//-------------------------------------
rbLocator := client.RunnableBindingLocator(getLink(st.Links, "runnable_bindings"))
rbs, err := rbLocator.Index(rsapi.APIParams{})
if err != nil {
fatalError("Could not find attached RightScripts with href %s: %s", rbLocator.Href, err.Error())
}
rightScripts := make(map[string][]*RightScript)
countBySequence := make(map[string]int)
seenRightscript := make(map[string]*RightScript)
for _, rb := range rbs {
countBySequence[strings.Title(rb.Sequence)] += 1
seenRightscript[getLink(rb.Links, "right_script")] = nil
}
for sequenceType, count := range countBySequence {
rightScripts[sequenceType] = make([]*RightScript, count)
}
fmt.Printf("Downloading %d attached RightScripts:\n", len(seenRightscript))
for _, rb := range rbs {
rsHref := getLink(rb.Links, "right_script")
if rsHref == "" {
fatalError("Could not download ServerTemplate, it has attached cookbook recipes, which are not supported by this tool.\n")
}
if scr, ok := seenRightscript[rsHref]; ok && scr != nil {
rightScripts[strings.Title(rb.Sequence)][rb.Position-1] = scr
continue
}
newScript := RightScript{
Type: LocalRightScript,
Path: cleanFileName(rb.RightScript.Name),
}
if usePublished {
// We repull the rightscript here to get the description field, which we need to break ties between
// similarly named publications!
rsLoc := client.RightScriptLocator(rsHref)
rs, err := rsLoc.Show(rsapi.APIParams{})
if err != nil {
fatalError("Could not get RightScript %s: %s\n", rsHref, err.Error())
}
pub, err := findPublication("RightScript", rs.Name, rs.Revision, map[string]string{`Description`: rs.Description})
if err != nil {
fatalError("Error finding publication: %s\n", err.Error())
}
if pub != nil {
fmt.Printf("Not downloading '%s' to disk, using Revision %s, Publisher '%s' from the MultiCloud Marketplace\n",
rs.Name, formatRev(rs.Revision), pub.Publisher)
newScript = RightScript{
Type: PublishedRightScript,
Name: pub.Name,
Revision: pub.Revision,
Publisher: pub.Publisher,
}
}
}
rightScripts[strings.Title(rb.Sequence)][rb.Position-1] = &newScript
if newScript.Type == LocalRightScript {
if scriptPath == "" {
downloadedTo := rightScriptDownload(rsHref, filepath.Dir(downloadTo))
newScript.Path = strings.TrimPrefix(downloadedTo, filepath.Dir(downloadTo)+string(filepath.Separator))
} else {
// Create scripts directory
err := os.MkdirAll(filepath.Join(filepath.Dir(downloadTo), scriptPath), 0755)
if err != nil {
fatalError("Error creating directory: %s", err.Error())
}
downloadedTo := rightScriptDownload(rsHref, filepath.Join(filepath.Dir(downloadTo), scriptPath))
newScript.Path = strings.TrimPrefix(downloadedTo, filepath.Dir(downloadTo)+string(filepath.Separator))
}
}
seenRightscript[rsHref] = &newScript
}
//-------------------------------------
// Alerts
//-------------------------------------
alerts, err := downloadAlerts(st)
if err != nil {
fatalError("Could not get Alerts from API: %s", err.Error())
}
//-------------------------------------
// Inputs
//-------------------------------------
stInputs := make(map[string]*InputValue)
for _, inputHash := range st.Inputs {
iv, err := parseInputValue(inputHash["value"])
if err != nil {
fatalError("Error parsing input value from API:", err.Error())
}
// The API returns "inherit" values as "blank" values. Blank really means an
// empty text string, which is usually not what was meant -- usually people
// didn't mean to set the input at the ST level, in which case the
// RightScript sets the value. Note that the user can still set the input to
// blank at the RightScript level so it isn't much of a limitation this
// occassionally doesn't always get set correctly on download
// TBD: this can be improved slightly -- we can cross check the input with
// the rightscript it came form. If its the same, we inherit. If we can
// assume the ST overrides and use that value.
if iv.Type != "blank" {
stInputs[inputHash["name"]] = iv
}
}
//-------------------------------------
// ServerTemplate YAML itself finally
//-------------------------------------
stDef := ServerTemplate{
Name: st.Name,
Description: removeCarriageReturns(st.Description),
Inputs: stInputs,
MultiCloudImages: mcis,
RightScripts: rightScripts,
Alerts: alerts,
}
bytes, err := yaml.Marshal(&stDef)
if err != nil {
fatalError("Creating yaml failed: %s", err.Error())
}
err = ioutil.WriteFile(downloadTo, bytes, 0644)
if err != nil {
fatalError("Could not create file: %s", err.Error())
}
fmt.Printf("Finished downloading '%s' to '%s'\n", st.Name, downloadTo)
}
// MarshalYAML serializes ImageName to YAML string
func (img ImageName) MarshalYAML() ([]byte, error) {
return yaml.Marshal(img.String())
}
