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main.go
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// CBSD Project 2013-2025
// K8s-bhyve project 2020-2025
// MyBee project 2021-2025
package main
import (
"bufio"
"crypto/md5"
"encoding/json"
"flag"
"fmt"
"io"
"io/ioutil"
"log"
"net/http"
"os"
"os/exec"
// "path/filepath"
"reflect"
"regexp"
"strconv"
"strings"
"sync"
"time"
// "gopkg.in/yaml.v3"
"github.com/gorilla/mux"
"golang.org/x/crypto/ssh"
)
var lock = sync.RWMutex{}
var config Config
var runscript string
var workdir string
var server_url string
var acl_enable bool
var spool_Dir string
var onetime_Dir string
var vm_Engine string
var clusterLimitMax int
const MAX_UPLOAD_SIZE = 1024 * 1024 // 1MB
type Response struct {
Message string
}
// The cluster Type. Name of elements must match with jconf params
type Vm struct {
Image string `json:image,omitempty"`
Type string `json:type,omitempty"`
Vm_os_type string `json:vm_os_type,omitempty"`
Vm_os_profile string `json:vm_os_profile,omitempty"`
Jname string `json:jname,omitempty"`
Ram string `json:ram,omitempty"`
Cpus int `"cpus,omitempty"`
Imgsize string `"imgsize,omitempty"`
Pubkey string `"pubkey,omitempty"`
PkgList string `"pkglist,omitempty"`
Extras string `"extras,omitempty"`
Recomendation string `"recomendation,omitempty"`
Host_hostname string `"host_hostname,omitempty"`
Email string `"email,omitempty"`
Callback string `"callback,omitempty"`
}
// The cluster Type. Name of elements must match with jconf params
type Cluster struct {
Image string `json:image,omitempty"`
K8s_name string `json:jname,omitempty"`
Init_masters string `json:init_masters,omitempty"`
Init_workers string `json:init_workers,omitempty"`
Master_vm_ram string `json:master_vm_ram,omitempty"`
Master_vm_cpus string `"master_vm_cpus,omitempty"`
Master_vm_imgsize string `"master_vm_imgsize,omitempty"`
Worker_vm_ram string `"worker_vm_ram,omitempty"`
Worker_vm_cpus string `"worker_vm_cpus,omitempty"`
Worker_vm_imgsize string `"worker_vm_imgsize,omitempty"`
Pv_enable string `"pv_enable,omitempty"`
Pv_size string `"pv_size,omitempty"`
Kubelet_master string `"kubelet_master,omitempty"`
Email string `"email,omitempty"`
Callback string `"callback,omitempty"`
Pubkey string `"pubkey,omitempty"`
Recomendation string `"recomendation,omitempty"`
}
// Todo: validate mod?
// e.g for simple check:
// bhyve_name string `json:"name" validate:"required,min=2,max=100"`
var (
body = flag.String("body", "", "Body of message")
cbsdEnv = flag.String("cbsdenv", "/usr/jails", "CBSD workdir environment")
configFile = flag.String("config", "/usr/local/etc/cbsd-mq-api.json", "Path to config.json")
listen *string = flag.String("listen", "0.0.0.0:65531", "Listen host:port")
runScriptJail = flag.String("runscript_jail", "jail-api", "CBSD target run script")
runScriptVm = flag.String("runscript_vm", "vm-api", "CBSD target run script")
runScriptK8s = flag.String("runscript_k8s", "k8world", "CBSD target run Kubernetes script")
destroyScript = flag.String("destroy_script", "control-api", "CBSD target run script")
destroyK8sScript = flag.String("destroy_k8s_script", "k8world", "CBSD target to destroy K8S")
startScript = flag.String("start_script", "control-api", "CBSD target run script")
stopScript = flag.String("stop_script", "control-api", "CBSD target run script")
serverUrl = flag.String("server_url", "http://127.0.0.1:65532", "Server URL for external requests")
dbDir = flag.String("dbdir", "/var/db/cbsd-api", "db root dir")
k8sDbDir = flag.String("k8sdbdir", "/var/db/cbsd-k8s", "db root dir")
allowListFile = flag.String("allowlist", "", "Path to PubKey whitelist, e.g: -allowlist /usr/local/etc/cbsd-mq-api.allow")
clusterLimit = flag.Int("cluster_limit", 3, "Max number of clusters")
spoolDir = flag.String("spooldir", "/var/spool/cbsd-mq-api", "spool root dir")
oneTimeConfDir = flag.String("onetimeconfdir", "", "one-time config dir")
vmEngine = flag.String("vmengine", "bhyve", "VM engine: bhyve, qemu, virtualbox, xen")
)
type AllowList struct {
keyType string
key string
comment string
cid string
next *AllowList // link to the next records
}
// linked struct
type Feed struct {
length int
start *AllowList
}
type MyFeeds struct {
f *Feed
}
// Progress is used to track the progress of a file upload.
// It implements the io.Writer interface so it can be passed
// to an io.TeeReader()
type Progress struct {
TotalSize int64
BytesRead int64
}
// Write is used to satisfy the io.Writer interface.
// Instead of writing somewhere, it simply aggregates
// the total bytes on each read
func (pr *Progress) Write(p []byte) (n int, err error) {
n, err = len(p), nil
pr.BytesRead += int64(n)
pr.Print()
return
}
// Print displays the current progress of the file upload
func (pr *Progress) Print() {
if pr.BytesRead == pr.TotalSize {
fmt.Println("DONE!")
return
}
fmt.Printf("File upload in progress: %d\n", pr.BytesRead)
}
func (f *Feed) Append(newAllow *AllowList) {
if f.length == 0 {
f.start = newAllow
} else {
currentPost := f.start
for currentPost.next != nil {
currentPost = currentPost.next
}
currentPost.next = newAllow
}
f.length++
}
func newAllow(keyType string, key string, comment string) *AllowList {
KeyInList := fmt.Sprintf("%s %s %s", keyType, key, comment)
uid := []byte(KeyInList)
cid := md5.Sum(uid)
cidString := fmt.Sprintf("%x", cid)
np := AllowList{keyType: keyType, key: key, comment: comment, cid: cidString}
// np.Response = ""
// np.Time = 0
return &np
}
// we need overwrite Content-Type here
// https://stackoverflow.com/questions/59763852/can-you-return-json-in-golang-http-error
func JSONError(w http.ResponseWriter, message string, code int) {
w.Header().Set("Content-Type", "application/json; charset=utf-8")
w.Header().Set("X-Content-Type-Options", "nosniff")
// write header is mandatory to overwrite header
w.WriteHeader(code)
if len(message) > 0 {
response := Response{message}
js, err := json.Marshal(response)
if err != nil {
fmt.Fprintln(w, "{\"Message\":\"Marshal error\"}", http.StatusMethodNotAllowed)
return
}
http.Error(w, string(js), code)
} else {
http.Error(w, "{}", http.StatusOK)
}
return
}
func fileExists(filename string) bool {
_, err := os.Stat(filename)
if err != nil {
if os.IsNotExist(err) {
fmt.Println("file does not exist", filename)
return false
} else {
// error
return false
}
} else {
// file exist
return true
}
}
// main function to boot up everything
func main() {
flag.Parse()
var err error
config, err = LoadConfiguration(*configFile)
workdir = config.CbsdEnv
server_url = config.ServerUrl
spool_Dir = *spoolDir
onetime_Dir = *oneTimeConfDir
vm_Engine = *vmEngine
if !fileExists(spool_Dir) {
os.MkdirAll(spool_Dir, 0770)
}
clusterLimitMax = *clusterLimit
if err != nil {
fmt.Println("config load error")
os.Exit(1)
}
if !fileExists(config.Recomendation) {
fmt.Printf("no such Recomendation script, please check config/path: %s\n", config.Recomendation)
os.Exit(1)
}
if !fileExists(config.Freejname) {
fmt.Printf("no such Freejname script, please check config/path: %s\n", config.Freejname)
os.Exit(1)
}
if !fileExists(*dbDir) {
fmt.Printf("* db dir created: %s\n", *dbDir)
os.MkdirAll(*dbDir, 0770)
}
if !fileExists(*k8sDbDir) {
fmt.Printf("* db dir created: %s\n", *k8sDbDir)
os.MkdirAll(*k8sDbDir, 0770)
}
f := &Feed{}
fmt.Printf("* Cluster limit: %d\n", clusterLimitMax)
fmt.Printf("* VM engine: %s\n", vm_Engine)
// WhiteList
if (*allowListFile == "") || (!fileExists(*allowListFile)) {
fmt.Println("* no such allowList file ( -allowlist <path> )")
fmt.Println("* ACL disabled: fully open system, all queries are permit!")
acl_enable = false
} else {
fmt.Printf("* ACL enabled: %s\n", *allowListFile)
acl_enable = true
// loadconfig
fd, err := os.Open(*allowListFile)
if err != nil {
panic(err)
}
defer fd.Close()
scanner := bufio.NewScanner(fd)
var keyType string
var key string
var comment string
scanner.Split(bufio.ScanLines)
var txtlines []string
for scanner.Scan() {
txtlines = append(txtlines, scanner.Text())
}
fd.Close()
for _, eachline := range txtlines {
fmt.Println(eachline)
// todo: input validation
// todo: auto-reload, signal
_, err := fmt.Sscanf(eachline, "%s %s %s", &keyType, &key, &comment)
if err != nil {
log.Fatal(err)
break
}
fmt.Printf("* ACL loaded: [%s %s %s]\n", keyType, key, comment)
p := newAllow(keyType, key, comment)
f.Append(p)
}
fmt.Printf("* AllowList Length: %v\n", f.length)
}
// setup: we need to pass Feed into handler function
feeds := &MyFeeds{f: f}
router := mux.NewRouter()
router.HandleFunc("/api/v1/create/{InstanceId}", feeds.HandleClusterCreate).Methods("POST")
router.HandleFunc("/api/v1/status/{InstanceId}", feeds.HandleClusterStatus).Methods("GET")
router.HandleFunc("/api/v1/kubeconfig/{InstanceId}", feeds.HandleClusterKubeConfig).Methods("GET")
router.HandleFunc("/api/v1/start/{InstanceId}", feeds.HandleClusterStart).Methods("GET")
router.HandleFunc("/api/v1/stop/{InstanceId}", feeds.HandleClusterStop).Methods("GET")
router.HandleFunc("/api/v1/destroy/{InstanceId}", feeds.HandleClusterDestroy).Methods("GET")
router.HandleFunc("/api/v1/cluster", feeds.HandleClusterCluster).Methods("GET")
router.HandleFunc("/api/v1/k8scluster", feeds.HandleK8sClusterCluster).Methods("GET")
// for test only
// router.HandleFunc("/api/v1/iac/{InstanceId}", feeds.HandleIac).Methods("POST")
// router.HandleFunc("/api/v1/iac/{InstanceId}", feeds.HandleIacRequestStatus).Methods("GET")
router.HandleFunc("/images", HandleClusterImages).Methods("GET")
router.HandleFunc("/flavors", HandleClusterFlavors).Methods("GET")
if len(onetime_Dir) > 1 {
if !fileExists(onetime_Dir) {
fmt.Printf("One-time directory not exist: %s\n", onetime_Dir)
os.Exit(1)
} else {
fmt.Printf("* One-time dir enabled: %s\n", onetime_Dir)
router.HandleFunc("/api/v1/otc/{CfgFile}", feeds.HandleOneTimeConf).Methods("GET")
}
} else {
fmt.Println("* One-time dir disabled")
}
fmt.Println("* Listen", *listen)
fmt.Println("* Server URL", server_url)
log.Fatal(http.ListenAndServe(*listen, router))
}
func validateCid(Cid string) bool {
var regexpCid = regexp.MustCompile("^[a-f0-9]{32}$")
if regexpCid.MatchString(Cid) {
return true
} else {
return false
}
}
func validateInstanceId(InstanceId string) bool {
var regexpInstanceId = regexp.MustCompile("^[a-z_]([a-z0-9_])*$")
if len(InstanceId) < 1 || len(InstanceId) > 40 {
return false
}
if regexpInstanceId.MatchString(InstanceId) {
return true
} else {
return false
}
}
func validateCfgFile(CfgFile string) bool {
var regexpCfgFile = regexp.MustCompile("^[aA0-zZ9_]([aA0-zZ9_])*$")
if len(CfgFile) < 1 || len(CfgFile) > 10 {
return false
}
if regexpCfgFile.MatchString(CfgFile) {
return true
} else {
return false
}
}
func isPubKeyAllowed(feeds *MyFeeds, PubKey string) bool {
//ALLOWED?
var p *AllowList
currentAllow := feeds.f.start
if !acl_enable {
return true
}
for i := 0; i < feeds.f.length; i++ {
p = currentAllow
currentAllow = currentAllow.next
ResultKeyType := (string(p.keyType))
ResultKey := (string(p.key))
ResultKeyComment := (string(p.comment))
//fmt.Println("ResultType: ", ResultKeyType)
KeyInList := fmt.Sprintf("%s %s %s", ResultKeyType, ResultKey, ResultKeyComment)
fmt.Printf("[%s][%s]\n", PubKey, KeyInList)
if len(PubKey) == len(KeyInList) {
if strings.Compare(PubKey, KeyInList) == 0 {
fmt.Printf("pubkey matched\n")
return true
}
}
}
return false
}
func isCidAllowed(feeds *MyFeeds, Cid string) bool {
//ALLOWED?
var p *AllowList
currentAllow := feeds.f.start
if !acl_enable {
return true
}
for i := 0; i < feeds.f.length; i++ {
p = currentAllow
currentAllow = currentAllow.next
CidInList := (string(p.cid))
if strings.Compare(Cid, CidInList) == 0 {
fmt.Printf("Cid ACL matched: %s\n", Cid)
return true
}
}
return false
}
func (feeds *MyFeeds) HandleClusterStatus(w http.ResponseWriter, r *http.Request) {
var InstanceId string
// enum { 0 - vm, 1 - k8s }
var vmType int
params := mux.Vars(r)
InstanceId = params["InstanceId"]
if !validateInstanceId(InstanceId) {
JSONError(w, "The InstanceId should be valid form: ^[a-z_]([a-z0-9_])*$ (maxlen: 40)", http.StatusMethodNotAllowed)
return
}
Cid := r.Header.Get("cid")
if !validateCid(Cid) {
JSONError(w, "The cid should be valid form: ^[a-f0-9]{32}$", http.StatusMethodNotAllowed)
return
}
if !isCidAllowed(feeds, Cid) {
fmt.Printf("CID not in ACL: %s\n", Cid)
JSONError(w, "not allowed", http.StatusMethodNotAllowed)
return
}
var mapfile string
checkMapfile := fmt.Sprintf("%s/var/db/api/map/%s-%s", workdir, Cid, InstanceId)
if _, err := os.Stat(checkMapfile); os.IsNotExist(err) {
fmt.Printf("status: no such %s/%s/vms - check K8S...\n", *dbDir, Cid)
// check K8S dir
checkMapfile = fmt.Sprintf("%s/var/db/k8s/map/%s-%s", workdir, Cid, InstanceId)
if _, err := os.Stat(checkMapfile); os.IsNotExist(err) {
JSONError(w, "not found", http.StatusOK)
return
} else {
fmt.Printf("%s found - its K8S\n", checkMapfile)
// K8S instance
vmType = 1
mapfile = checkMapfile
}
} else {
//VM/jail instance
fmt.Printf("%s/%s/vms found - its not K8S\n", *dbDir, Cid)
vmType = 0
mapfile = checkMapfile
}
b, err := ioutil.ReadFile(mapfile) // just pass the file name
if err != nil {
fmt.Printf("unable to read jname from: [%s]/var/db/api/map/%s-%s\n", mapfile)
JSONError(w, "not found", http.StatusOK)
return
}
var SqliteDBPath string
if ( vmType == 1 ) {
SqliteDBPath = fmt.Sprintf("%s/%s/%s-vm.ssh", *k8sDbDir, Cid, string(b))
} else {
SqliteDBPath = fmt.Sprintf("%s/%s/%s-vm.ssh", *dbDir, Cid, string(b))
}
if fileExists(SqliteDBPath) {
b, err := ioutil.ReadFile(SqliteDBPath) // just pass the file name
if err != nil {
JSONError(w, "", 400)
return
} else {
// already in json - send as-is
w.Header().Set("Content-Type", "application/json; charset=utf-8")
w.Header().Set("X-Content-Type-Options", "nosniff")
w.WriteHeader(200)
http.Error(w, string(b), 200)
return
}
} else {
JSONError(w, "", http.StatusOK)
}
}
func (feeds *MyFeeds) HandleK8sClusterStatus(w http.ResponseWriter, r *http.Request) {
var InstanceId string
params := mux.Vars(r)
InstanceId = params["InstanceId"]
if !validateInstanceId(InstanceId) {
JSONError(w, "The InstanceId should be valid form: ^[a-z_]([a-z0-9_])*$ (maxlen: 40)", http.StatusMethodNotAllowed)
return
}
Cid := r.Header.Get("cid")
if !validateCid(Cid) {
JSONError(w, "The cid should be valid form: ^[a-f0-9]{32}$", http.StatusMethodNotAllowed)
return
}
if !isCidAllowed(feeds, Cid) {
fmt.Printf("CID not in ACL: %s\n", Cid)
JSONError(w, "not allowed", http.StatusMethodNotAllowed)
return
}
HomePath := fmt.Sprintf("%s/%s/vms", *k8sDbDir, Cid)
if _, err := os.Stat(HomePath); os.IsNotExist(err) {
JSONError(w, "not found", http.StatusOK)
return
}
mapfile := fmt.Sprintf("%s/var/db/k8s/map/%s-%s", workdir, Cid, InstanceId)
if !fileExists(config.Recomendation) {
fmt.Printf("no such map file %s/var/db/k8s/map/%s-%s\n", workdir, Cid, InstanceId)
JSONError(w, "not found", http.StatusOK)
return
}
b, err := ioutil.ReadFile(mapfile) // just pass the file name
if err != nil {
fmt.Printf("unable to read jname from %s/var/db/k8s/map/%s-%s\n", workdir, Cid, InstanceId)
JSONError(w, "not found", http.StatusOK)
return
}
SqliteDBPath := fmt.Sprintf("%s/%s/%s-vm.ssh", *k8sDbDir, Cid, string(b))
if fileExists(SqliteDBPath) {
b, err := ioutil.ReadFile(SqliteDBPath) // just pass the file name
if err != nil {
JSONError(w, "", 400)
return
} else {
// already in json - send as-is
w.Header().Set("Content-Type", "application/json; charset=utf-8")
w.Header().Set("X-Content-Type-Options", "nosniff")
w.WriteHeader(200)
http.Error(w, string(b), 200)
return
}
} else {
JSONError(w, "", http.StatusOK)
}
}
func (feeds *MyFeeds) HandleClusterKubeConfig(w http.ResponseWriter, r *http.Request) {
var InstanceId string
params := mux.Vars(r)
InstanceId = params["InstanceId"]
if !validateInstanceId(InstanceId) {
JSONError(w, "The InstanceId should be valid form: ^[a-z_]([a-z0-9_])*$ (maxlen: 40)", http.StatusMethodNotAllowed)
return
}
Cid := r.Header.Get("cid")
if !validateCid(Cid) {
JSONError(w, "The cid should be valid form: ^[a-f0-9]{32}$", http.StatusMethodNotAllowed)
return
}
if !isCidAllowed(feeds, Cid) {
fmt.Printf("CID not in ACL: %s\n", Cid)
JSONError(w, "not allowed", http.StatusMethodNotAllowed)
return
}
VmPath := fmt.Sprintf("%s/%s/cluster-%s", *k8sDbDir, Cid, InstanceId)
if !fileExists(VmPath) {
fmt.Printf("ClusterKubeConfig: Error read vmpath file [%s]\n", VmPath)
JSONError(w, "", 400)
return
}
b, err := ioutil.ReadFile(VmPath) // just pass the file name
if err != nil {
fmt.Printf("Error read vmpath file [%s]\n", VmPath)
JSONError(w, "", 400)
return
} else {
kubeFile := fmt.Sprintf("%s/var/db/k8s/%s.kubeconfig", workdir, string(b))
if fileExists(kubeFile) {
b, err := ioutil.ReadFile(kubeFile) // just pass the file name
if err != nil {
fmt.Printf("unable to read content %s\n", kubeFile)
JSONError(w, "", http.StatusOK)
return
}
w.Header().Set("Content-Type", "text/plain")
w.Header().Set("X-Content-Type-Options", "nosniff")
w.WriteHeader(200)
http.Error(w, string(b), 200)
return
} else {
fmt.Printf("Error read kubeconfig [%s]\n", kubeFile)
JSONError(w, "", 400)
return
}
}
}
func (feeds *MyFeeds) HandleClusterCluster(w http.ResponseWriter, r *http.Request) {
Cid := r.Header.Get("cid")
if !validateCid(Cid) {
JSONError(w, "The cid should be valid form: ^[a-f0-9]{32}$", http.StatusMethodNotAllowed)
return
}
if !isCidAllowed(feeds, Cid) {
fmt.Printf("CID not in ACL: %s\n", Cid)
JSONError(w, "not allowed", http.StatusMethodNotAllowed)
return
}
HomePath := fmt.Sprintf("%s/%s/vms", *dbDir, Cid)
//fmt.Println("CID IS: [ %s ]", cid)
if _, err := os.Stat(HomePath); os.IsNotExist(err) {
JSONError(w, "", http.StatusOK)
return
}
SqliteDBPath := fmt.Sprintf("%s/%s/vm.list", *dbDir, Cid)
if fileExists(SqliteDBPath) {
b, err := ioutil.ReadFile(SqliteDBPath) // just pass the file name
if err != nil {
JSONError(w, "", http.StatusOK)
return
} else {
// already in json - send as-is
w.Header().Set("Content-Type", "application/json; charset=utf-8")
w.Header().Set("X-Content-Type-Options", "nosniff")
w.WriteHeader(200)
http.Error(w, string(b), 200)
return
}
} else {
JSONError(w, "", http.StatusOK)
return
}
}
// read /var/db/cbsd-k8s/<cid>/vms/vm.list
func (feeds *MyFeeds) HandleK8sClusterCluster(w http.ResponseWriter, r *http.Request) {
Cid := r.Header.Get("cid")
if !validateCid(Cid) {
JSONError(w, "The cid should be valid form: ^[a-f0-9]{32}$", http.StatusMethodNotAllowed)
return
}
if !isCidAllowed(feeds, Cid) {
fmt.Printf("CID not in ACL: %s\n", Cid)
JSONError(w, "not allowed", http.StatusMethodNotAllowed)
return
}
HomePath := fmt.Sprintf("%s/%s/vms", *k8sDbDir, Cid)
//fmt.Println("CID IS: [ %s ]", cid)
if _, err := os.Stat(HomePath); os.IsNotExist(err) {
JSONError(w, "", http.StatusOK)
return
}
SqliteDBPath := fmt.Sprintf("%s/%s/vm.list", *k8sDbDir, Cid)
if fileExists(SqliteDBPath) {
b, err := ioutil.ReadFile(SqliteDBPath) // just pass the file name
if err != nil {
JSONError(w, "", http.StatusOK)
return
} else {
// already in json - send as-is
w.Header().Set("Content-Type", "application/json; charset=utf-8")
w.Header().Set("X-Content-Type-Options", "nosniff")
w.WriteHeader(200)
http.Error(w, string(b), 200)
return
}
} else {
JSONError(w, "", http.StatusOK)
return
}
}
func HandleClusterImages(w http.ResponseWriter, r *http.Request) {
if fileExists(config.Cloud_images_list) {
b, err := ioutil.ReadFile(config.Cloud_images_list) // just pass the file name
if err != nil {
JSONError(w, "", http.StatusOK)
return
} else {
// already in json - send as-is
w.Header().Set("Content-Type", "application/json; charset=utf-8")
w.Header().Set("X-Content-Type-Options", "nosniff")
w.WriteHeader(200)
http.Error(w, string(b), 200)
return
}
} else {
JSONError(w, "", http.StatusOK)
return
}
}
func HandleClusterFlavors(w http.ResponseWriter, r *http.Request) {
if fileExists(config.Flavors_list) {
b, err := ioutil.ReadFile(config.Flavors_list) // just pass the file name
if err != nil {
JSONError(w, "", http.StatusOK)
return
} else {
// already in json - send as-is
w.Header().Set("Content-Type", "application/json; charset=utf-8")
w.Header().Set("X-Content-Type-Options", "nosniff")
w.WriteHeader(200)
http.Error(w, string(b), 200)
return
}
} else {
JSONError(w, "", http.StatusOK)
return
}
}
func realInstanceCreate(body string) {
a := &body
stdout, err := beanstalkSend(config.BeanstalkConfig, *a)
fmt.Printf("%s\n", stdout)
if err != nil {
return
}
}
func getStructTag(f reflect.StructField) string {
return string(f.Tag)
}
func getNodeRecomendation(body string, offer string) {
// offer - recomendation host from user, we can check them in external helper
// for valid/resource
var result string
if len(offer) > 1 {
result = offer
fmt.Printf("FORCED Host Recomendation: [%s]\n", result)
} else {
cmdStr := fmt.Sprintf("%s %s", config.Recomendation, body)
cmdArgs := strings.Fields(cmdStr)
cmd := exec.Command(cmdArgs[0], cmdArgs[1:len(cmdArgs)]...)
out, err := cmd.CombinedOutput()
if err != nil {
fmt.Println("get recomendation script failed")
return
}
result = (string(out))
}
fmt.Printf("Host Recomendation: [%s]\n", result)
result = strings.Replace(result, ".", "_", -1)
result = strings.Replace(result, "-", "_", -1)
tube := fmt.Sprintf("cbsd_%s", result)
reply := fmt.Sprintf("cbsd_%s_result_id", result)
fmt.Printf("Tube selected: [%s]\n", tube)
fmt.Printf("ReplyTube selected: [%s]\n", reply)
config.BeanstalkConfig.Tube = tube
config.BeanstalkConfig.ReplyTubePrefix = reply
}
func applyIac(env string, yaml string) {
// offer - recomendation host from user, we can check them in external helper
// for valid/resource
var result string
cmdStr := fmt.Sprintf("/usr/local/bin/cbsd-mq-api-apply %s /var/spool/cbsd-mq-api/upload/%s", env, yaml)
cmdArgs := strings.Fields(cmdStr)
cmd := exec.Command(cmdArgs[0], cmdArgs[1:len(cmdArgs)]...)
out, err := cmd.CombinedOutput()
if err != nil {
fmt.Println("cbsd-mq-api-apply failed", cmdStr)
return
}
result = (string(out))
fmt.Printf("IaC Apply: [%s]\n", result)
}
func getJname() string {
cmdStr := fmt.Sprintf("%s", config.Freejname)
cmdArgs := strings.Fields(cmdStr)
cmd := exec.Command(cmdArgs[0], cmdArgs[1:len(cmdArgs)]...)
out, err := cmd.CombinedOutput()
if err != nil {
fmt.Println("get freejname script failed")
return ""
}
result := (string(out))
fmt.Printf("Freejname Recomendation: [%s]\n", result)
return result
}
func getId(cid string) string {
cmdStr := fmt.Sprintf("%s", config.Freeid)
cmdArgs := strings.Fields(cmdStr)
// cmd := exec.Command(cmdArgs[0], cmdArgs[1:len(cmdArgs)]...)
cmd := exec.Command(cmdArgs[0], cid)
out, err := cmd.CombinedOutput()
if err != nil {
fmt.Println("get freeid script failed")
return ""
}
result := (string(out))
fmt.Printf("Freeid Recomendation: [%s]\n", result)
return result
}
//func (feeds *MyFeeds) HandleClusterCluster(w http.ResponseWriter, r *http.Request) {
//func HandleClusterCreate(w http.ResponseWriter, r *http.Request) {
//func (feeds *MyFeeds)
//func HandleCreateVm(w http.ResponseWriter, r *http.Request ) {
func HandleCreateVm(w http.ResponseWriter, vm Vm) {
var regexpPkgList = regexp.MustCompile(`^[aA-zZ_]([aA-zZ0-9_\-/ ])*$`)
var regexpExtras = regexp.MustCompile("^[a-zA-Z0-9:,]*$")
var regexpSize = regexp.MustCompile(`^[1-9](([0-9]+)?)([m|g|t])$`)
var regexpParamName = regexp.MustCompile(`^[a-z_]+$`)
var regexpParamVal = regexp.MustCompile(`^[aA-zZ0-9_\-. ]+$`)
var regexpHostName = regexp.MustCompile(`^[aA-zZ0-9_\-\.]+$`)
var suggest string
var InstanceId string
InstanceId = vm.Jname
uid := []byte(vm.Pubkey)
//existance?
// check for existance
cid := md5.Sum(uid)
VmPathDir := fmt.Sprintf("%s/%x", *dbDir, cid)
if !fileExists(VmPathDir) {
os.Mkdir(VmPathDir, 0775)
}
VmPath := fmt.Sprintf("%s/%x/vm-%s", *dbDir, cid, InstanceId)
if fileExists(VmPath) {
fmt.Printf("Error: vm already exist: [%s]\n", VmPath)
JSONError(w, "vm already exist", http.StatusMethodNotAllowed)
return
}
fmt.Printf("vm file not exist, create empty: [%s]\n", VmPath)
// create empty file
f, err := os.Create(VmPath)
if err != nil {
log.Fatal(err)
}
if len(vm.PkgList) > 1 {
if !regexpPkgList.MatchString(vm.PkgList) {
fmt.Printf("Error: wrong pkglist: [%s]\n", vm.PkgList)
JSONError(w, "pkglist should be valid form. valid form", http.StatusMethodNotAllowed)
return
}
}
if len(vm.Host_hostname) > 1 {
if !regexpHostName.MatchString(vm.Host_hostname) {
fmt.Printf("Error: wrong hostname: [%s]\n", vm.Host_hostname)
JSONError(w, "host_hostname should be valid form. valid form", http.StatusMethodNotAllowed)
return
} else {
fmt.Printf("Found host_hostname: [%s]\n", vm.Host_hostname)
}
}
if len(vm.Extras) > 1 {
if !regexpExtras.MatchString(vm.Extras) {
fmt.Printf("Error: wrong extras: [%s]\n", vm.Extras)
JSONError(w, "extras should be valid form. valid form", http.StatusMethodNotAllowed)
return
} else {
fmt.Printf("Found extras: [%s]\n", vm.Extras)
}
}
if len(vm.Recomendation) > 1 {
if !regexpHostName.MatchString(vm.Recomendation) {
fmt.Printf("Error: wrong hostname recomendation: [%s]\n", vm.Recomendation)
JSONError(w, "recomendation should be valid form. valid form", http.StatusMethodNotAllowed)
return
} else {
fmt.Printf("Found vm recomendation: [%s]\n", vm.Recomendation)
suggest = vm.Recomendation
}
} else {
suggest = ""
}
if vm.Cpus <= 0 || vm.Cpus > 16 {
JSONError(w, "cpus valid range: 1-16", http.StatusMethodNotAllowed)
return
}
if len(vm.Ram) > 0 {
if !regexpSize.MatchString(vm.Ram) {
JSONError(w, "The ram should be valid form, 512m, 1g", http.StatusMethodNotAllowed)
return
}
} else {
// unlimited for jail
vm.Ram = "0"
}
switch vm.Image {
case "jail":
//Imgsize optional for jail type
if len(vm.Imgsize) > 0 {
if !regexpSize.MatchString(vm.Imgsize) {
fmt.Printf("wrong imgsize: [%s] [%d]\n", vm.Imgsize, vm.Imgsize)
JSONError(w, "The imgsize should be valid form: 2g, 30g", http.StatusMethodNotAllowed)
return
}
}
default:
if !regexpSize.MatchString(vm.Imgsize) {
fmt.Printf("wrong imgsize: [%s] [%d]\n", vm.Imgsize, vm.Imgsize)
JSONError(w, "The imgsize should be valid form: 2g, 30g", http.StatusMethodNotAllowed)
return
}
}
Jname := getJname()
if len(Jname) < 1 {
log.Fatal("unable to get jname")
return
}
fmt.Printf("GET NEXT FREE JNAME: [%s]\n", Jname)
_, err2 := f.WriteString(Jname)