mirror of https://github.com/minio/minio.git
306 lines
11 KiB
Go
306 lines
11 KiB
Go
/*
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* MinIO Cloud Storage, (C) 2016, 2017, 2018 MinIO, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cmd
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import (
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"context"
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"crypto/x509"
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"fmt"
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"net"
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"runtime"
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"strings"
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humanize "github.com/dustin/go-humanize"
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color "github.com/minio/minio/pkg/color"
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xnet "github.com/minio/minio/pkg/net"
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)
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// Documentation links, these are part of message printing code.
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const (
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mcQuickStartGuide = "https://docs.min.io/docs/minio-client-quickstart-guide"
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mcAdminQuickStartGuide = "https://docs.min.io/docs/minio-admin-complete-guide.html"
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goQuickStartGuide = "https://docs.min.io/docs/golang-client-quickstart-guide"
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jsQuickStartGuide = "https://docs.min.io/docs/javascript-client-quickstart-guide"
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javaQuickStartGuide = "https://docs.min.io/docs/java-client-quickstart-guide"
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pyQuickStartGuide = "https://docs.min.io/docs/python-client-quickstart-guide"
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dotnetQuickStartGuide = "https://docs.min.io/docs/dotnet-client-quickstart-guide"
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)
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// generates format string depending on the string length and padding.
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func getFormatStr(strLen int, padding int) string {
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formatStr := fmt.Sprintf("%ds", strLen+padding)
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return "%" + formatStr
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}
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func printStartupSafeModeMessage(apiEndpoints []string, err error) {
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logStartupMessage(color.RedBold("Server startup failed with '%v'", err))
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logStartupMessage(color.RedBold("Server switching to safe mode"))
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logStartupMessage(color.RedBold("Please use 'mc admin' commands to fix this issue"))
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// Object layer is initialized then print StorageInfo in safe mode.
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objAPI := newObjectLayerWithoutSafeModeFn()
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if objAPI != nil {
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if msg := getStorageInfoMsgSafeMode(objAPI.StorageInfo(context.Background())); msg != "" {
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logStartupMessage(msg)
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}
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}
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// Get saved credentials.
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cred := globalActiveCred
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// Get saved region.
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region := globalServerRegion
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strippedAPIEndpoints := stripStandardPorts(apiEndpoints)
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apiEndpointStr := strings.Join(strippedAPIEndpoints, " ")
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// Colorize the message and print.
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logStartupMessage(color.Red("Endpoint: ") + color.Bold(fmt.Sprintf(getFormatStr(len(apiEndpointStr), 1), apiEndpointStr)))
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if color.IsTerminal() && !globalCLIContext.Anonymous {
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logStartupMessage(color.Red("AccessKey: ") + color.Bold(fmt.Sprintf("%s ", cred.AccessKey)))
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logStartupMessage(color.Red("SecretKey: ") + color.Bold(fmt.Sprintf("%s ", cred.SecretKey)))
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if region != "" {
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logStartupMessage(color.Red("Region: ") + color.Bold(fmt.Sprintf(getFormatStr(len(region), 3), region)))
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}
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}
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// Prints `mc` cli configuration message chooses
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// first endpoint as default.
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alias := "myminio"
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endPoint := strippedAPIEndpoints[0]
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// Configure 'mc', following block prints platform specific information for minio client admin commands.
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if color.IsTerminal() {
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logStartupMessage(color.RedBold("\nCommand-line Access: ") + mcAdminQuickStartGuide)
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if runtime.GOOS == globalWindowsOSName {
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mcMessage := fmt.Sprintf("> mc.exe config host add %s %s %s %s --api s3v4", alias,
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endPoint, cred.AccessKey, cred.SecretKey)
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logStartupMessage(fmt.Sprintf(getFormatStr(len(mcMessage), 3), mcMessage))
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mcMessage = fmt.Sprintf("> mc.exe admin --help")
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logStartupMessage(fmt.Sprintf(getFormatStr(len(mcMessage), 3), mcMessage))
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} else {
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mcMessage := fmt.Sprintf("$ mc config host add %s %s %s %s --api s3v4", alias,
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endPoint, cred.AccessKey, cred.SecretKey)
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logStartupMessage(fmt.Sprintf(getFormatStr(len(mcMessage), 3), mcMessage))
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mcMessage = fmt.Sprintf("$ mc admin --help")
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logStartupMessage(fmt.Sprintf(getFormatStr(len(mcMessage), 3), mcMessage))
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}
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}
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}
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// Prints the formatted startup message.
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func printStartupMessage(apiEndpoints []string) {
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strippedAPIEndpoints := stripStandardPorts(apiEndpoints)
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// If cache layer is enabled, print cache capacity.
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cachedObjAPI := newCachedObjectLayerFn()
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if cachedObjAPI != nil {
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printCacheStorageInfo(cachedObjAPI.StorageInfo(context.Background()))
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}
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// Object layer is initialized then print StorageInfo.
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objAPI := newObjectLayerFn()
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if objAPI != nil {
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printStorageInfo(objAPI.StorageInfo(context.Background()))
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}
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// Prints credential, region and browser access.
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printServerCommonMsg(strippedAPIEndpoints)
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// Prints `mc` cli configuration message chooses
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// first endpoint as default.
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printCLIAccessMsg(strippedAPIEndpoints[0], "myminio")
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// Prints documentation message.
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printObjectAPIMsg()
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// SSL is configured reads certification chain, prints
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// authority and expiry.
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if globalIsSSL {
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printCertificateMsg(globalPublicCerts)
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}
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}
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// Returns true if input is not IPv4, false if it is.
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func isNotIPv4(host string) bool {
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h, _, err := net.SplitHostPort(host)
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if err != nil {
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h = host
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}
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ip := net.ParseIP(h)
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ok := ip.To4() != nil // This is always true of IP is IPv4
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// Returns true if input is not IPv4.
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return !ok
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}
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// strip api endpoints list with standard ports such as
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// port "80" and "443" before displaying on the startup
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// banner. Returns a new list of API endpoints.
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func stripStandardPorts(apiEndpoints []string) (newAPIEndpoints []string) {
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newAPIEndpoints = make([]string, len(apiEndpoints))
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// Check all API endpoints for standard ports and strip them.
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for i, apiEndpoint := range apiEndpoints {
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u, err := xnet.ParseHTTPURL(apiEndpoint)
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if err != nil {
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newAPIEndpoints[i] = apiEndpoint
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continue
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}
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if globalMinioHost == "" && isNotIPv4(u.Host) {
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// Skip all non-IPv4 endpoints when we bind to all interfaces.
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continue
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}
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newAPIEndpoints[i] = u.String()
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}
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return newAPIEndpoints
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}
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// Prints common server startup message. Prints credential, region and browser access.
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func printServerCommonMsg(apiEndpoints []string) {
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// Get saved credentials.
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cred := globalActiveCred
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// Get saved region.
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region := globalServerRegion
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apiEndpointStr := strings.Join(apiEndpoints, " ")
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// Colorize the message and print.
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logStartupMessage(color.Blue("Endpoint: ") + color.Bold(fmt.Sprintf(getFormatStr(len(apiEndpointStr), 1), apiEndpointStr)))
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if color.IsTerminal() && !globalCLIContext.Anonymous {
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logStartupMessage(color.Blue("AccessKey: ") + color.Bold(fmt.Sprintf("%s ", cred.AccessKey)))
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logStartupMessage(color.Blue("SecretKey: ") + color.Bold(fmt.Sprintf("%s ", cred.SecretKey)))
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if region != "" {
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logStartupMessage(color.Blue("Region: ") + color.Bold(fmt.Sprintf(getFormatStr(len(region), 3), region)))
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}
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}
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printEventNotifiers()
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if globalBrowserEnabled {
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logStartupMessage(color.Blue("\nBrowser Access:"))
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logStartupMessage(fmt.Sprintf(getFormatStr(len(apiEndpointStr), 3), apiEndpointStr))
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}
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}
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// Prints bucket notification configurations.
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func printEventNotifiers() {
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if globalNotificationSys == nil {
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return
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}
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arns := globalNotificationSys.GetARNList()
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if len(arns) == 0 {
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return
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}
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arnMsg := color.Blue("SQS ARNs: ")
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for _, arn := range arns {
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arnMsg += color.Bold(fmt.Sprintf(getFormatStr(len(arn), 1), arn))
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}
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logStartupMessage(arnMsg)
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}
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// Prints startup message for command line access. Prints link to our documentation
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// and custom platform specific message.
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func printCLIAccessMsg(endPoint string, alias string) {
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// Get saved credentials.
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cred := globalActiveCred
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// Configure 'mc', following block prints platform specific information for minio client.
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if color.IsTerminal() {
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logStartupMessage(color.Blue("\nCommand-line Access: ") + mcQuickStartGuide)
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if runtime.GOOS == globalWindowsOSName {
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mcMessage := fmt.Sprintf("$ mc.exe config host add %s %s %s %s", alias,
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endPoint, cred.AccessKey, cred.SecretKey)
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logStartupMessage(fmt.Sprintf(getFormatStr(len(mcMessage), 3), mcMessage))
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} else {
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mcMessage := fmt.Sprintf("$ mc config host add %s %s %s %s", alias,
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endPoint, cred.AccessKey, cred.SecretKey)
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logStartupMessage(fmt.Sprintf(getFormatStr(len(mcMessage), 3), mcMessage))
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}
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}
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}
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// Prints startup message for Object API acces, prints link to our SDK documentation.
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func printObjectAPIMsg() {
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logStartupMessage(color.Blue("\nObject API (Amazon S3 compatible):"))
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logStartupMessage(color.Blue(" Go: ") + fmt.Sprintf(getFormatStr(len(goQuickStartGuide), 8), goQuickStartGuide))
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logStartupMessage(color.Blue(" Java: ") + fmt.Sprintf(getFormatStr(len(javaQuickStartGuide), 6), javaQuickStartGuide))
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logStartupMessage(color.Blue(" Python: ") + fmt.Sprintf(getFormatStr(len(pyQuickStartGuide), 4), pyQuickStartGuide))
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logStartupMessage(color.Blue(" JavaScript: ") + jsQuickStartGuide)
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logStartupMessage(color.Blue(" .NET: ") + fmt.Sprintf(getFormatStr(len(dotnetQuickStartGuide), 6), dotnetQuickStartGuide))
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}
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// Get formatted disk/storage info message.
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func getStorageInfoMsgSafeMode(storageInfo StorageInfo) string {
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var msg string
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if storageInfo.Backend.Type == BackendErasure {
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diskInfo := fmt.Sprintf(" %d Online, %d Offline. ", storageInfo.Backend.OnlineDisks.Sum(), storageInfo.Backend.OfflineDisks.Sum())
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msg += color.Red("Status:") + fmt.Sprintf(getFormatStr(len(diskInfo), 8), diskInfo)
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}
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return msg
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}
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// Get formatted disk/storage info message.
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func getStorageInfoMsg(storageInfo StorageInfo) string {
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var msg string
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if storageInfo.Backend.Type == BackendErasure {
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diskInfo := fmt.Sprintf(" %d Online, %d Offline. ", storageInfo.Backend.OnlineDisks.Sum(), storageInfo.Backend.OfflineDisks.Sum())
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msg += color.Blue("Status:") + fmt.Sprintf(getFormatStr(len(diskInfo), 8), diskInfo)
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}
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return msg
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}
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// Prints startup message of storage capacity and erasure information.
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func printStorageInfo(storageInfo StorageInfo) {
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if msg := getStorageInfoMsg(storageInfo); msg != "" {
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logStartupMessage(msg)
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}
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}
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func printCacheStorageInfo(storageInfo CacheStorageInfo) {
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msg := fmt.Sprintf("%s %s Free, %s Total", color.Blue("Cache Capacity:"),
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humanize.IBytes(uint64(storageInfo.Free)),
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humanize.IBytes(uint64(storageInfo.Total)))
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logStartupMessage(msg)
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}
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// Prints certificate expiry date warning
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func getCertificateChainMsg(certs []*x509.Certificate) string {
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msg := color.Blue("\nCertificate expiry info:\n")
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totalCerts := len(certs)
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var expiringCerts int
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for i := totalCerts - 1; i >= 0; i-- {
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cert := certs[i]
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if cert.NotAfter.Before(UTCNow().Add(globalMinioCertExpireWarnDays)) {
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expiringCerts++
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msg += fmt.Sprintf(color.Bold("#%d %s will expire on %s\n"), expiringCerts, cert.Subject.CommonName, cert.NotAfter)
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}
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}
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if expiringCerts > 0 {
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return msg
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}
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return ""
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}
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// Prints the certificate expiry message.
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func printCertificateMsg(certs []*x509.Certificate) {
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logStartupMessage(getCertificateChainMsg(certs))
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}
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