server: Change server startup message. (#2195)
This change brings in the new agreed startup message for the server. Adds additional links point to Minio SDKs as well.master
Harshavardhana
8 years ago
committed by
Anand Babu (AB) Periasamy
parent
0610527868
commit
3b69b4ada4
@ -0,0 +1,93 @@ |
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/* |
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* Minio Cloud Storage, (C) 2016 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 main |
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import ( |
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"errors" |
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"net" |
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"os" |
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"syscall" |
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) |
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// Make sure that none of the other processes are listening on the
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// specified port on any of the interfaces.
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//
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// On linux if a process is listening on 127.0.0.1:9000 then Listen()
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// on ":9000" fails with the error "port already in use".
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// However on Mac OSX Listen() on ":9000" falls back to the IPv6 address.
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// This causes confusion on Mac OSX that minio server is not reachable
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// on 127.0.0.1 even though minio server is running. So before we start
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// the minio server we make sure that the port is free on all the IPs.
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func checkPortAvailability(port int) { |
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isAddrInUse := func(err error) bool { |
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// Check if the syscall error is EADDRINUSE.
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// EADDRINUSE is the system call error if another process is
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// already listening at the specified port.
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neterr, ok := err.(*net.OpError) |
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if !ok { |
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return false |
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} |
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osErr, ok := neterr.Err.(*os.SyscallError) |
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if !ok { |
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return false |
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} |
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sysErr, ok := osErr.Err.(syscall.Errno) |
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if !ok { |
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return false |
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} |
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if sysErr != syscall.EADDRINUSE { |
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return false |
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} |
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return true |
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} |
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ifcs, err := net.Interfaces() |
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if err != nil { |
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fatalIf(err, "Unable to list interfaces.") |
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} |
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for _, ifc := range ifcs { |
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addrs, err := ifc.Addrs() |
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if err != nil { |
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fatalIf(err, "Unable to list addresses on interface %s.", ifc.Name) |
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} |
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for _, addr := range addrs { |
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ipnet, ok := addr.(*net.IPNet) |
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if !ok { |
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errorIf(errors.New(""), "Failed to assert type on (*net.IPNet) interface.") |
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continue |
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} |
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ip := ipnet.IP |
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network := "tcp4" |
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if ip.To4() == nil { |
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network = "tcp6" |
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} |
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tcpAddr := net.TCPAddr{IP: ip, Port: port, Zone: ifc.Name} |
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l, err := net.ListenTCP(network, &tcpAddr) |
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if err != nil { |
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if isAddrInUse(err) { |
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// Fail if port is already in use.
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fatalIf(err, "Unable to listen on %s:%.d.", tcpAddr.IP, tcpAddr.Port) |
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} else { |
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// Ignore other errors.
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continue |
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} |
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} |
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if err = l.Close(); err != nil { |
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fatalIf(err, "Unable to close listener on %s:%.d.", tcpAddr.IP, tcpAddr.Port) |
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} |
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} |
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} |
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} |
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@ -0,0 +1,92 @@ |
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/* |
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* Minio Cloud Storage, (C) 2016 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 main |
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import ( |
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"fmt" |
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"runtime" |
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"strings" |
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"github.com/minio/mc/pkg/console" |
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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.minio.io/docs/minio-client-quick-start-guide" |
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goQuickStartGuide = "https://docs.minio.io/docs/golang-client-quickstart-guide" |
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jsQuickStartGuide = "https://docs.minio.io/docs/javascript-client-quickstart-guide" |
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javaQuickStartGuide = "https://docs.minio.io/docs/java-client-quickstart-guide" |
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pyQuickStartGuide = "https://docs.minio.io/docs/python-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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// Prints the formatted startup message.
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func printStartupMessage(endPoints []string) { |
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printServerCommonMsg(endPoints) |
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printCLIAccessMsg(endPoints[0]) |
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printObjectAPIMsg() |
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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(endPoints []string) { |
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// Get saved credentials.
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cred := serverConfig.GetCredential() |
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// Get saved region.
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region := serverConfig.GetRegion() |
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endPointStr := strings.Join(endPoints, " ") |
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// Colorize the message and print.
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console.Println(colorMagenta("\nEndpoint: ") + colorGreen(fmt.Sprintf(getFormatStr(len(endPointStr), 1), endPointStr))) |
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console.Println(colorMagenta("AccessKey: ") + colorWhite(fmt.Sprintf("%s ", cred.AccessKeyID))) |
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console.Println(colorMagenta("SecretKey: ") + colorWhite(fmt.Sprintf("%s ", cred.SecretAccessKey))) |
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console.Println(colorMagenta("Region: ") + colorWhite(fmt.Sprintf(getFormatStr(len(region), 3), region))) |
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console.Println(colorMagenta("\nBrowser Access:")) |
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console.Println(colorGreen(fmt.Sprintf(getFormatStr(len(endPointStr), 3), endPointStr))) |
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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) { |
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// Get saved credentials.
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cred := serverConfig.GetCredential() |
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// Configure 'mc', following block prints platform specific information for minio client.
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console.Println(colorMagenta("\nCommand-line Access: ") + colorWhite(mcQuickStartGuide)) |
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if runtime.GOOS == "windows" { |
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mcMessage := fmt.Sprintf("$ mc.exe config host add myminio %s %s %s", endPoint, cred.AccessKeyID, cred.SecretAccessKey) |
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console.Println(fmt.Sprintf(getFormatStr(len(mcMessage), 3), mcMessage)) |
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} else { |
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mcMessage := fmt.Sprintf("$ ./mc config host add myminio %s %s %s", endPoint, cred.AccessKeyID, cred.SecretAccessKey) |
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console.Println(fmt.Sprintf(getFormatStr(len(mcMessage), 3), mcMessage)) |
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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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console.Println("\nObject API (Amazon S3 compatible):") |
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console.Println(" Go: " + fmt.Sprintf(getFormatStr(len(goQuickStartGuide), 8), goQuickStartGuide)) |
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console.Println(" Java: " + fmt.Sprintf(getFormatStr(len(javaQuickStartGuide), 6), javaQuickStartGuide)) |
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console.Println(" Python: " + fmt.Sprintf(getFormatStr(len(pyQuickStartGuide), 4), pyQuickStartGuide)) |
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console.Println(" JavaScript: " + jsQuickStartGuide) |
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} |
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