// universeFormat returns a sorted list of this cookbook's versions, formatted
// to be compatible with the supermarket/berks /universe endpoint.
func (c *Cookbook) universeFormat() map[string]interface{} {
u := make(map[string]interface{})
for _, cbv := range c.sortedVersions() {
v := make(map[string]interface{})
v["location_path"] = util.CustomObjURL(c, cbv.Version)
v["location_type"] = "chef_server"
v["dependencies"] = cbv.Metadata["dependencies"]
u[cbv.Version] = v
}
return u
}
// CookbookLatest returns the URL of the latest version of each cookbook on the
// server.
func CookbookLatest() map[string]interface{} {
latest := make(map[string]interface{})
if config.UsingDB() {
cs := CookbookLister("")
for name, cbdata := range cs {
if len(cbdata.(map[string]interface{})["versions"].([]interface{})) > 0 {
latest[name] = cbdata.(map[string]interface{})["versions"].([]interface{})[0].(map[string]string)["url"]
}
}
} else {
for _, cb := range AllCookbooks() {
latest[cb.Name] = util.CustomObjURL(cb, cb.LatestVersion().Version)
}
}
return latest
}
func (c *Cookbook) infoHashBase(numResults interface{}, constraint string) map[string]interface{} {
cbHash := make(map[string]interface{})
cbHash["url"] = util.ObjURL(c)
nr := 0
/* Working to maintain Chef server behavior here. We need to make "all"
* give all versions of the cookbook and make no value give one version,
* but keep 0 as invalid input that gives zero results back. This might
* be an area worth breaking. */
var numVersions int
allVersions := false
if numResults != "" && numResults != "all" {
numVersions, _ = strconv.Atoi(numResults.(string))
} else if numResults == "" {
numVersions = 1
} else {
allVersions = true
}
cbHash["versions"] = make([]interface{}, 0)
var constraintVersion string
var constraintOp string
if constraint != "" {
traints := strings.Split(constraint, " ")
/* If the constraint isn't well formed like ">= 1.2.3", log the
* fact and ignore the constraint. */
if len(traints) == 2 {
constraintVersion = traints[1]
constraintOp = traints[0]
} else {
logger.Warningf("Constraint '%s' for cookbook %s was badly formed -- bailing.\n", constraint, c.Name)
return nil
}
}
VerLoop:
for _, cv := range c.sortedVersions() {
if !allVersions && nr >= numVersions {
break
}
/* Version constraint checking. */
if constraint != "" {
conAction := verConstraintCheck(cv.Version, constraintVersion, constraintOp)
switch conAction {
case "skip":
/* Skip this version, keep going. */
continue VerLoop
case "break":
/* Stop processing entirely. */
break VerLoop
/* Default action is, of course, to continue on
* like nothing happened. Later, we need to
* panic over an invalid constraint. */
}
}
cvInfo := make(map[string]string)
cvInfo["url"] = util.CustomObjURL(c, cv.Version)
cvInfo["version"] = cv.Version
cbHash["versions"] = append(cbHash["versions"].([]interface{}), cvInfo)
nr++
}
return cbHash
}
func dataHandler(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
pathArray := splitPath(r.URL.Path)
dbResponse := make(map[string]interface{})
opUser, oerr := actor.GetReqUser(r.Header.Get("X-OPS-USERID"))
if oerr != nil {
jsonErrorReport(w, r, oerr.Error(), oerr.Status())
return
}
if len(pathArray) == 1 {
/* Either a list of data bags, or a POST to create a new one */
switch r.Method {
case "GET":
if opUser.IsValidator() {
jsonErrorReport(w, r, "You are not allowed to perform this action", http.StatusForbidden)
return
}
/* The list */
dbList := databag.GetList()
for _, k := range dbList {
dbResponse[k] = util.CustomURL(fmt.Sprintf("/data/%s", k))
}
case "POST":
if !opUser.IsAdmin() {
jsonErrorReport(w, r, "You are not allowed to perform this action", http.StatusForbidden)
return
}
dbData, jerr := parseObjJSON(r.Body)
if jerr != nil {
jsonErrorReport(w, r, jerr.Error(), http.StatusBadRequest)
return
}
/* check that the name exists */
switch t := dbData["name"].(type) {
case string:
if t == "" {
jsonErrorReport(w, r, "Field 'name' missing", http.StatusBadRequest)
return
}
default:
jsonErrorReport(w, r, "Field 'name' missing", http.StatusBadRequest)
return
}
chefDbag, _ := databag.Get(dbData["name"].(string))
if chefDbag != nil {
httperr := fmt.Errorf("Data bag %s already exists.", dbData["name"].(string))
jsonErrorReport(w, r, httperr.Error(), http.StatusConflict)
return
}
chefDbag, nerr := databag.New(dbData["name"].(string))
if nerr != nil {
jsonErrorReport(w, r, nerr.Error(), nerr.Status())
return
}
serr := chefDbag.Save()
if serr != nil {
jsonErrorReport(w, r, serr.Error(), http.StatusInternalServerError)
return
}
if lerr := loginfo.LogEvent(opUser, chefDbag, "create"); lerr != nil {
jsonErrorReport(w, r, lerr.Error(), http.StatusInternalServerError)
return
}
dbResponse["uri"] = util.ObjURL(chefDbag)
w.WriteHeader(http.StatusCreated)
default:
/* The chef-pedant spec wants this response for
* some reason. Mix it up, I guess. */
w.Header().Set("Allow", "GET, POST")
jsonErrorReport(w, r, "GET, POST", http.StatusMethodNotAllowed)
return
}
} else {
dbName := pathArray[1]
/* chef-pedant is unhappy about not reporting the HTTP status
* as 404 by fetching the data bag before we see if the method
* is allowed, so do a quick check for that here. */
if (len(pathArray) == 2 && r.Method == "PUT") || (len(pathArray) == 3 && r.Method == "POST") {
var allowed string
if len(pathArray) == 2 {
allowed = "GET, POST, DELETE"
} else {
allowed = "GET, PUT, DELETE"
}
w.Header().Set("Allow", allowed)
jsonErrorReport(w, r, "Method not allowed", http.StatusMethodNotAllowed)
return
}
if opUser.IsValidator() || (!opUser.IsAdmin() && r.Method != "GET") {
jsonErrorReport(w, r, "You are not allowed to perform this action", http.StatusForbidden)
return
}
chefDbag, err := databag.Get(dbName)
if err != nil {
var errMsg string
status := err.Status()
if r.Method == "POST" {
/* Posts get a special snowflake message */
errMsg = fmt.Sprintf("No data bag '%s' could be found. Please create this data bag before adding items to it.", dbName)
} else {
if len(pathArray) == 3 {
/* This is nuts. */
if r.Method == "DELETE" {
errMsg = fmt.Sprintf("Cannot load data bag %s item %s", dbName, pathArray[2])
} else {
errMsg = fmt.Sprintf("Cannot load data bag item %s for data bag %s", pathArray[2], dbName)
}
} else {
errMsg = err.Error()
}
}
jsonErrorReport(w, r, errMsg, status)
return
}
if len(pathArray) == 2 {
/* getting list of data bag items and creating data bag
* items. */
switch r.Method {
case "GET":
for _, k := range chefDbag.ListDBItems() {
dbResponse[k] = util.CustomObjURL(chefDbag, k)
}
case "DELETE":
/* The chef API docs don't say anything
* about this existing, but it does,
* and without it you can't delete data
* bags at all. */
dbResponse["chef_type"] = "data_bag"
dbResponse["json_class"] = "Chef::DataBag"
dbResponse["name"] = chefDbag.Name
err := chefDbag.Delete()
if err != nil {
jsonErrorReport(w, r, err.Error(), http.StatusInternalServerError)
return
}
if lerr := loginfo.LogEvent(opUser, chefDbag, "delete"); lerr != nil {
jsonErrorReport(w, r, lerr.Error(), http.StatusInternalServerError)
return
}
case "POST":
rawData := databag.RawDataBagJSON(r.Body)
dbitem, nerr := chefDbag.NewDBItem(rawData)
if nerr != nil {
jsonErrorReport(w, r, nerr.Error(), nerr.Status())
return
}
if lerr := loginfo.LogEvent(opUser, dbitem, "create"); lerr != nil {
jsonErrorReport(w, r, lerr.Error(), http.StatusInternalServerError)
return
}
/* The data bag return values are all
* kinds of weird. Sometimes it sends
* just the raw data, sometimes it sends
* the whole object, sometimes a special
* snowflake version. Ugh. Have to loop
* through to avoid updating the pointer
* in the cache by just assigning
* dbitem.RawData to dbResponse. Urk.
*/
for k, v := range dbitem.RawData {
dbResponse[k] = v
}
dbResponse["data_bag"] = dbitem.DataBagName
dbResponse["chef_type"] = dbitem.ChefType
w.WriteHeader(http.StatusCreated)
default:
w.Header().Set("Allow", "GET, DELETE, POST")
jsonErrorReport(w, r, "GET, DELETE, POST", http.StatusMethodNotAllowed)
return
}
} else {
/* getting, editing, and deleting existing data bag items. */
dbItemName := pathArray[2]
if _, err := chefDbag.GetDBItem(dbItemName); err != nil {
var httperr string
if r.Method != "DELETE" {
httperr = fmt.Sprintf("Cannot load data bag item %s for data bag %s", dbItemName, chefDbag.Name)
} else {
httperr = fmt.Sprintf("Cannot load data bag %s item %s", chefDbag.Name, dbItemName)
}
jsonErrorReport(w, r, httperr, http.StatusNotFound)
return
}
switch r.Method {
case "GET":
dbi, err := chefDbag.GetDBItem(dbItemName)
if err != nil {
jsonErrorReport(w, r, err.Error(), http.StatusInternalServerError)
return
}
dbResponse = dbi.RawData
case "DELETE":
dbi, err := chefDbag.GetDBItem(dbItemName)
if err != nil {
jsonErrorReport(w, r, err.Error(), http.StatusInternalServerError)
return
}
/* Gotta short circuit this */
enc := json.NewEncoder(w)
if err := enc.Encode(&dbi); err != nil {
jsonErrorReport(w, r, err.Error(), http.StatusInternalServerError)
return
}
err = chefDbag.DeleteDBItem(dbItemName)
if err != nil {
jsonErrorReport(w, r, err.Error(), http.StatusInternalServerError)
return
}
if lerr := loginfo.LogEvent(opUser, dbi, "delete"); lerr != nil {
jsonErrorReport(w, r, lerr.Error(), http.StatusInternalServerError)
return
}
return
case "PUT":
rawData := databag.RawDataBagJSON(r.Body)
if rawID, ok := rawData["id"]; ok {
switch rawID := rawID.(type) {
case string:
if rawID != dbItemName {
jsonErrorReport(w, r, "DataBagItem name mismatch.", http.StatusBadRequest)
return
}
default:
jsonErrorReport(w, r, "Bad request", http.StatusBadRequest)
return
}
}
dbitem, err := chefDbag.UpdateDBItem(dbItemName, rawData)
if err != nil {
jsonErrorReport(w, r, err.Error(), http.StatusInternalServerError)
return
}
if lerr := loginfo.LogEvent(opUser, dbitem, "modify"); lerr != nil {
jsonErrorReport(w, r, lerr.Error(), http.StatusInternalServerError)
return
}
/* Another weird data bag item response
* which isn't at all unusual. */
for k, v := range dbitem.RawData {
dbResponse[k] = v
}
dbResponse["data_bag"] = dbitem.DataBagName
dbResponse["chef_type"] = dbitem.ChefType
dbResponse["id"] = dbItemName
default:
w.Header().Set("Allow", "GET, DELETE, PUT")
jsonErrorReport(w, r, "GET, DELETE, PUT", http.StatusMethodNotAllowed)
return
}
}
}
enc := json.NewEncoder(w)
if err := enc.Encode(&dbResponse); err != nil {
jsonErrorReport(w, r, err.Error(), http.StatusInternalServerError)
}
}
func cookbookHandler(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
pathArray := splitPath(r.URL.Path)
cookbookResponse := make(map[string]interface{})
opUser, oerr := actor.GetReqUser(r.Header.Get("X-OPS-USERID"))
if oerr != nil {
jsonErrorReport(w, r, oerr.Error(), oerr.Status())
return
}
var numResults string
r.ParseForm()
if nrs, found := r.Form["num_versions"]; found {
if len(nrs) < 0 {
jsonErrorReport(w, r, "invalid num_versions", http.StatusBadRequest)
return
}
numResults = nrs[0]
err := util.ValidateNumVersions(numResults)
if err != nil {
jsonErrorReport(w, r, err.Error(), err.Status())
return
}
}
force := ""
if f, fok := r.Form["force"]; fok {
if len(f) > 0 {
force = f[0]
}
}
pathArrayLen := len(pathArray)
/* 1 and 2 length path arrays only support GET */
if pathArrayLen < 3 && r.Method != "GET" {
jsonErrorReport(w, r, "Bad request.", http.StatusMethodNotAllowed)
return
} else if pathArrayLen < 3 && opUser.IsValidator() {
jsonErrorReport(w, r, "You are not allowed to perform this action", http.StatusForbidden)
return
}
/* chef-pedant is happier when checking if a validator can do something
* surprisingly late in the game. It wants the perm checks to be
* checked after the method for the end point is checked out as
* something it's going to handle, so, for instance, issuing a DELETE
* against an endpoint where that isn't allowed should respond with a
* 405, rather than a 403, which also makes sense in areas where
* validators shouldn't be able to do anything. *shrugs*
*/
if pathArrayLen == 1 {
/* list all cookbooks */
for _, cb := range cookbook.AllCookbooks() {
cookbookResponse[cb.Name] = cb.InfoHash(numResults)
}
} else if pathArrayLen == 2 {
/* info about a cookbook and all its versions */
cookbookName := pathArray[1]
/* Undocumented behavior - a cookbook name of _latest gets a
* list of the latest versions of all the cookbooks, and _recipe
* gets the recipes of the latest cookbooks. */
rlist := make([]string, 0)
if cookbookName == "_latest" || cookbookName == "_recipes" {
for _, cb := range cookbook.AllCookbooks() {
if cookbookName == "_latest" {
cookbookResponse[cb.Name] = util.CustomObjURL(cb, cb.LatestVersion().Version)
} else {
/* Damn it, this sends back an array of
* all the recipes. Fill it in, and send
* back the JSON ourselves. */
rlistTmp, err := cb.LatestVersion().RecipeList()
if err != nil {
jsonErrorReport(w, r, err.Error(), err.Status())
}
rlist = append(rlist, rlistTmp...)
}
sort.Strings(rlist)
}
if cookbookName == "_recipes" {
enc := json.NewEncoder(w)
if err := enc.Encode(&rlist); err != nil {
jsonErrorReport(w, r, err.Error(), http.StatusInternalServerError)
}
return
}
} else {
cb, err := cookbook.Get(cookbookName)
if err != nil {
jsonErrorReport(w, r, err.Error(), http.StatusNotFound)
return
}
/* Strange thing here. The API docs say if num_versions
* is not specified to return one cookbook, yet the
* spec indicates that if it's not set that all
* cookbooks should be returned. Most places *except
* here* that's the case, so it can't be changed in
* infoHashBase. Explicitly set numResults to all
* here. */
if numResults == "" {
numResults = "all"
}
cookbookResponse[cookbookName] = cb.InfoHash(numResults)
}
} else if pathArrayLen == 3 {
/* get information about or manipulate a specific cookbook
* version */
cookbookName := pathArray[1]
var cookbookVersion string
var vererr util.Gerror
opUser, oerr := actor.GetReqUser(r.Header.Get("X-OPS-USERID"))
if oerr != nil {
jsonErrorReport(w, r, oerr.Error(), oerr.Status())
return
}
if r.Method == "GET" && pathArray[2] == "_latest" { // might be other special vers
cookbookVersion = pathArray[2]
} else {
cookbookVersion, vererr = util.ValidateAsVersion(pathArray[2])
if vererr != nil {
vererr := util.Errorf("Invalid cookbook version '%s'.", pathArray[2])
jsonErrorReport(w, r, vererr.Error(), vererr.Status())
return
}
}
switch r.Method {
case "DELETE", "GET":
if opUser.IsValidator() {
jsonErrorReport(w, r, "You are not allowed to perform this action", http.StatusForbidden)
return
}
cb, err := cookbook.Get(cookbookName)
if err != nil {
if err.Status() == http.StatusNotFound {
msg := fmt.Sprintf("Cannot find a cookbook named %s with version %s", cookbookName, cookbookVersion)
jsonErrorReport(w, r, msg, err.Status())
} else {
jsonErrorReport(w, r, err.Error(), err.Status())
}
return
}
cbv, err := cb.GetVersion(cookbookVersion)
if err != nil {
jsonErrorReport(w, r, err.Error(), http.StatusNotFound)
return
}
if r.Method == "DELETE" {
if !opUser.IsAdmin() {
jsonErrorReport(w, r, "You are not allowed to take this action.", http.StatusForbidden)
return
}
err := cb.DeleteVersion(cookbookVersion)
if err != nil {
jsonErrorReport(w, r, err.Error(), err.Status())
return
}
if lerr := loginfo.LogEvent(opUser, cbv, "delete"); lerr != nil {
jsonErrorReport(w, r, lerr.Error(), http.StatusInternalServerError)
return
}
/* If all versions are gone, remove the
* cookbook - seems to be the desired
* behavior. */
if cb.NumVersions() == 0 {
if cerr := cb.Delete(); cerr != nil {
jsonErrorReport(w, r, cerr.Error(), http.StatusInternalServerError)
return
}
}
} else {
/* Special JSON rendition of the
* cookbook with some but not all of
* the fields. */
cookbookResponse = cbv.ToJSON(r.Method)
/* Sometimes, but not always, chef needs
* empty slices of maps for these
* values. Arrrgh. */
/* Doing it this way is absolutely
* insane. However, webui really wants
* this information, while chef-pedant
* absolutely does NOT want it there.
* knife seems happy without it as well.
* Until such time that this gets
* resolved in a non-crazy manner, for
* this only send that info back if it's
* a webui request. */
if rs := r.Header.Get("X-Ops-Request-Source"); rs == "web" {
chkDiv := []string{"definitions", "libraries", "attributes", "providers", "resources", "templates", "root_files", "files"}
for _, cd := range chkDiv {
if cookbookResponse[cd] == nil {
cookbookResponse[cd] = make([]map[string]interface{}, 0)
}
}
}
}
case "PUT":
if !opUser.IsAdmin() {
jsonErrorReport(w, r, "You are not allowed to perform this action", http.StatusForbidden)
return
}
cbvData, jerr := parseObjJSON(r.Body)
if jerr != nil {
jsonErrorReport(w, r, jerr.Error(), http.StatusBadRequest)
return
}
/* First, see if the cookbook already exists, &
* if not create it. Second, see if this
* specific version of the cookbook exists. If
* so, update it, otherwise, create it and set
* the latest version as needed. */
cb, err := cookbook.Get(cookbookName)
if err != nil {
cb, err = cookbook.New(cookbookName)
if err != nil {
jsonErrorReport(w, r, err.Error(), err.Status())
return
}
/* save it so we get the id with mysql
* for creating versions & such */
serr := cb.Save()
if serr != nil {
jsonErrorReport(w, r, serr.Error(), http.StatusInternalServerError)
return
}
if lerr := loginfo.LogEvent(opUser, cb, "create"); lerr != nil {
jsonErrorReport(w, r, lerr.Error(), http.StatusInternalServerError)
return
}
}
cbv, err := cb.GetVersion(cookbookVersion)
/* Does the cookbook_name in the URL and what's
* in the body match? */
switch t := cbvData["cookbook_name"].(type) {
case string:
/* Only send this particular
* error if the cookbook version
* hasn't been created yet.
* Instead we want a slightly
* different version later. */
if t != cookbookName && cbv == nil {
terr := util.Errorf("Field 'name' invalid")
jsonErrorReport(w, r, terr.Error(), terr.Status())
return
}
default:
// rather unlikely, I think, to
// be able to get here past the
// cookbook get. Punk out and
// don't do anything
}
if err != nil {
var nerr util.Gerror
cbv, nerr = cb.NewVersion(cookbookVersion, cbvData)
if nerr != nil {
// If the new version failed to
// take, and there aren't any
// other versions of the cookbook
// it needs to be deleted.
if cb.NumVersions() == 0 {
cb.Delete()
}
jsonErrorReport(w, r, nerr.Error(), nerr.Status())
return
}
if lerr := loginfo.LogEvent(opUser, cbv, "create"); lerr != nil {
jsonErrorReport(w, r, lerr.Error(), http.StatusInternalServerError)
return
}
w.WriteHeader(http.StatusCreated)
} else {
err := cbv.UpdateVersion(cbvData, force)
if err != nil {
jsonErrorReport(w, r, err.Error(), err.Status())
return
}
gerr := cb.Save()
if gerr != nil {
jsonErrorReport(w, r, gerr.Error(), http.StatusInternalServerError)
return
}
if lerr := loginfo.LogEvent(opUser, cbv, "modify"); lerr != nil {
jsonErrorReport(w, r, lerr.Error(), http.StatusInternalServerError)
return
}
}
/* API docs are wrong. The docs claim that this
* should have no response body, but in fact it
* wants some (not all) of the cookbook version
* data. */
cookbookResponse = cbv.ToJSON(r.Method)
default:
jsonErrorReport(w, r, "Unrecognized method", http.StatusMethodNotAllowed)
return
}
} else {
/* Say what? Bad request. */
jsonErrorReport(w, r, "Bad request", http.StatusBadRequest)
return
}
enc := json.NewEncoder(w)
if err := enc.Encode(&cookbookResponse); err != nil {
jsonErrorReport(w, r, err.Error(), http.StatusInternalServerError)
}
}