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buckets.go
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buckets.go
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package gopherb2
import (
"bytes"
"encoding/json"
"errors"
"fmt"
"io/ioutil"
"net/http"
"os"
"text/tabwriter"
"github.com/uber-go/zap"
)
type Buckets struct {
Bucket []Bucket `json:"buckets"`
}
type Bucket struct {
AccountID string `json:"accountId"`
BucketID string `json:"bucketId"`
BucketName string `json:"bucketName"`
BucketType string `json:"bucketType"`
LifecycleRules []string `json:"lifecycleRules"`
Revision int `json:"revision"`
}
// Creates new B2 bucket and returns API response
func B2CreateBucket(bucketName string, bucketPublic bool) {
//TODO: Check bucket name validity
if len(bucketName) < 6 {
logger.Fatal("Bucket Name must be at least 6 chars",
zap.String("Bucket Name too short", bucketName),
)
}
// Public or private bucketName
var bucketType = "allPrivate"
if bucketPublic == true {
bucketType = "allPublic"
}
// Authorize and Get API Token
authorizationResponse := AuthorizeAcct()
// Request (POST https://api001.backblazeb2.com/b2api/v1/b2_create_bucket)
jsonData := []byte(`{"accountId": "` + authorizationResponse.AccountID + `", "bucketName":"` + bucketName + `", "bucketType":"` + bucketType + `" }`)
body := bytes.NewBuffer(jsonData)
// Create client
client := &http.Client{}
// Create request
req, err := http.NewRequest("POST", authorizationResponse.ApiURL+"/b2api/v1/b2_create_bucket", body)
// Headers
req.Header.Add("Authorization", authorizationResponse.AuthorizationToken)
req.Header.Add("Content-Type", "application/json; charset=utf-8")
// Fetch Request
resp, err := client.Do(req)
if err != nil {
fmt.Println("Failure : ", err)
}
// Read Response Body
respBody, _ := ioutil.ReadAll(resp.Body)
defer resp.Body.Close()
var apiResponse Response
apiResponse = Response{Header: resp.Header, Status: resp.Status, Body: respBody}
if apiResponse.Status == "200 OK" {
logger.Debug("Create New Bucket Successful",
zap.String("Bucket Name:", bucketName),
)
} else {
logger.Panic("Could not create new Bucket",
zap.String("API Resp Body:", string(apiResponse.Body)),
)
}
// Parse JSON 'Bucket' Response
var bucket Bucket
err = json.Unmarshal(apiResponse.Body, &bucket)
if err != nil {
fmt.Println("Bucket JSON Parse Failed", err)
}
logger.Info("New Bucket Created",
zap.String("Bucket Name:", bucketName),
zap.String("Bucket ID:", bucket.BucketID),
)
return
}
// B2GetBuckets calls authorizeAccount then connects to API to request list of all B2 buckets and information, returns type 'Buckets' and error
func GetBuckets() (Buckets, error) {
// Authorize and Get API Token
authorizationResponse := AuthorizeAcct()
// Request (POST https://api001.backblazeb2.com/b2api/v1/b2_list_buckets)
jsonData := []byte(`{"accountId": "` + authorizationResponse.AccountID + `"}`)
body := bytes.NewBuffer(jsonData)
// Create client
client := &http.Client{}
// Create request
req, err := http.NewRequest("POST", authorizationResponse.ApiURL+"/b2api/v1/b2_list_buckets", body)
// Headers
req.Header.Add("Authorization", authorizationResponse.AuthorizationToken)
req.Header.Add("Content-Type", "application/json; charset=utf-8")
// Fetch Request
resp, err := client.Do(req)
if err != nil {
logger.Warn("List Buckets Failed.",
zap.Error(err),
)
}
// Read Response Body
respBody, _ := ioutil.ReadAll(resp.Body)
defer resp.Body.Close()
var apiResponse Response
apiResponse = Response{Header: resp.Header, Status: resp.Status, Body: respBody}
if resp.Status != "200 OK" {
logger.Fatal("Bucket List Request API Error",
zap.String("API Resp Status", resp.Status),
zap.String("API Resp Body", string(respBody)),
)
}
// Parse JSON 'Bucket' Response
var buckets Buckets
err = json.Unmarshal(apiResponse.Body, &buckets)
if err != nil {
logger.Fatal("Bucket JSON Parse Failed",
zap.Error(err),
)
}
return buckets, err
}
// PrintBuckets Diplays list of buckets in console
func PrintBuckets(buckets Buckets) error {
if buckets.Bucket != nil {
writer := new(tabwriter.Writer)
fmt.Println("B2 Buckets")
// Format to '|' separated columns with no min width and blank padding char
writer.Init(os.Stdout, 0, 5, 1, ' ', 0)
fmt.Fprintln(writer, "-ID-\t -NAME-\t -TYPE-")
for i := 0; i < len(buckets.Bucket); i++ {
fmt.Fprintln(writer, buckets.Bucket[i].BucketID+"\t", buckets.Bucket[i].BucketName+"\t", buckets.Bucket[i].BucketType+"\t")
}
fmt.Fprintln(writer)
writer.Flush()
return nil
}
return errors.New("No Buckets to print")
}