forked from minio/minio
/
server-startup-msg.go
141 lines (125 loc) · 5.29 KB
/
server-startup-msg.go
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/*
* Minio Cloud Storage, (C) 2016 Minio, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package cmd
import (
"fmt"
"os"
"runtime"
"strings"
humanize "github.com/dustin/go-humanize"
"github.com/minio/mc/pkg/console"
)
// Documentation links, these are part of message printing code.
const (
mcQuickStartGuide = "https://docs.minio.io/docs/minio-client-quickstart-guide"
goQuickStartGuide = "https://docs.minio.io/docs/golang-client-quickstart-guide"
jsQuickStartGuide = "https://docs.minio.io/docs/javascript-client-quickstart-guide"
javaQuickStartGuide = "https://docs.minio.io/docs/java-client-quickstart-guide"
pyQuickStartGuide = "https://docs.minio.io/docs/python-client-quickstart-guide"
)
// generates format string depending on the string length and padding.
func getFormatStr(strLen int, padding int) string {
formatStr := fmt.Sprintf("%ds", strLen+padding)
return "%" + formatStr
}
// Prints the formatted startup message.
func printStartupMessage(endPoints []string) {
printServerCommonMsg(endPoints)
printCLIAccessMsg(endPoints[0])
printObjectAPIMsg()
printStorageInfo()
}
// Prints common server startup message. Prints credential, region and browser access.
func printServerCommonMsg(endPoints []string) {
// Get saved credentials.
cred := serverConfig.GetCredential()
// Get saved region.
region := serverConfig.GetRegion()
endPointStr := strings.Join(endPoints, " ")
// Colorize the message and print.
console.Println(colorBlue("\nEndpoint: ") + colorBold(fmt.Sprintf(getFormatStr(len(endPointStr), 1), endPointStr)))
console.Println(colorBlue("AccessKey: ") + colorBold(fmt.Sprintf("%s ", cred.AccessKeyID)))
secretKey := cred.SecretAccessKey
if os.Getenv("MINIO_SECURE_CONSOLE") == "0" {
secretKey = "*REDACTED*"
}
console.Println(colorBlue("SecretKey: ") + colorBold(fmt.Sprintf("%s ", secretKey)))
console.Println(colorBlue("Region: ") + colorBold(fmt.Sprintf(getFormatStr(len(region), 3), region)))
printEventNotifiers()
console.Println(colorBlue("\nBrowser Access:"))
console.Println(fmt.Sprintf(getFormatStr(len(endPointStr), 3), endPointStr))
}
// Prints bucket notification configurations.
func printEventNotifiers() {
if globalEventNotifier == nil {
// In case initEventNotifier() was not done or failed.
return
}
arnMsg := colorBlue("SQS ARNs: ")
if len(globalEventNotifier.queueTargets) == 0 {
arnMsg += colorBold(fmt.Sprintf(getFormatStr(len("<none>"), 1), "<none>"))
}
for queueArn := range globalEventNotifier.queueTargets {
arnMsg += colorBold(fmt.Sprintf(getFormatStr(len(queueArn), 1), queueArn))
}
console.Println(arnMsg)
}
// Prints startup message for command line access. Prints link to our documentation
// and custom platform specific message.
func printCLIAccessMsg(endPoint string) {
// Get saved credentials.
cred := serverConfig.GetCredential()
// Configure 'mc', following block prints platform specific information for minio client.
console.Println(colorBlue("\nCommand-line Access: ") + mcQuickStartGuide)
secretKey := cred.SecretAccessKey
if os.Getenv("MINIO_SECURE_CONSOLE") == "0" {
secretKey = "*REDACTED*"
}
if runtime.GOOS == "windows" {
mcMessage := fmt.Sprintf("$ mc.exe config host add myminio %s %s %s", endPoint, cred.AccessKeyID, secretKey)
console.Println(fmt.Sprintf(getFormatStr(len(mcMessage), 3), mcMessage))
} else {
mcMessage := fmt.Sprintf("$ mc config host add myminio %s %s %s", endPoint, cred.AccessKeyID, secretKey)
console.Println(fmt.Sprintf(getFormatStr(len(mcMessage), 3), mcMessage))
}
}
// Prints startup message for Object API acces, prints link to our SDK documentation.
func printObjectAPIMsg() {
console.Println(colorBlue("\nObject API (Amazon S3 compatible):"))
console.Println(colorBlue(" Go: ") + fmt.Sprintf(getFormatStr(len(goQuickStartGuide), 8), goQuickStartGuide))
console.Println(colorBlue(" Java: ") + fmt.Sprintf(getFormatStr(len(javaQuickStartGuide), 6), javaQuickStartGuide))
console.Println(colorBlue(" Python: ") + fmt.Sprintf(getFormatStr(len(pyQuickStartGuide), 4), pyQuickStartGuide))
console.Println(colorBlue(" JavaScript: ") + jsQuickStartGuide)
}
// Get formatted disk/storage info message.
func getStorageInfoMsg() string {
storageInfo := newObjectLayerFn().StorageInfo()
msg := fmt.Sprintf("%s %s Free", colorBlue("Drive Capacity:"), humanize.IBytes(uint64(storageInfo.Free)))
diskInfo := fmt.Sprintf(" %d Online, %d Offline. We can withstand [%d] more drive failure(s).",
storageInfo.Backend.OnlineDisks,
storageInfo.Backend.OfflineDisks,
storageInfo.Backend.Quorum,
)
if storageInfo.Backend.Type == XL {
msg += colorBlue("\nStatus:") + fmt.Sprintf(getFormatStr(len(diskInfo), 8), diskInfo)
}
return msg
}
// Prints startup message of storage capacity and erasure information.
func printStorageInfo() {
console.Println()
console.Println(getStorageInfoMsg())
}