mirror of
https://github.com/hyperledger/fabric-samples.git
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53 lines
1.5 KiB
Go
53 lines
1.5 KiB
Go
package main
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import (
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"fmt"
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"os"
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)
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func gatewayEndpoint() (string, error) {
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return requireEnv("ENDPOINT")
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}
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func mspID() (string, error) {
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return requireEnv("MSP_ID")
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}
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func clientCertPath() (string, error) {
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return requireEnv("CERTIFICATE")
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}
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func privateKeyPath() (string, error) {
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return requireEnv("PRIVATE_KEY")
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}
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func tlsCertPath() string {
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return os.Getenv("TLS_CERT")
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}
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func hostAlias() string {
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return os.Getenv("HOST_ALIAS")
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}
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func requireEnv(name string) (string, error) {
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v := os.Getenv(name)
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if v == "" {
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printEnvUsage()
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return "", fmt.Errorf("environment variable %s not set", name)
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}
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return v, nil
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}
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func printEnvUsage() {
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fmt.Fprintln(os.Stderr, "The following environment variables must be set:")
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fmt.Fprintln(os.Stderr, " ENDPOINT - Endpoint address of the gateway service")
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fmt.Fprintln(os.Stderr, " MSP_ID - User's organization Member Services Provider ID")
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fmt.Fprintln(os.Stderr, " CERTIFICATE - User's certificate file")
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fmt.Fprintln(os.Stderr, " PRIVATE_KEY - User's private key file")
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fmt.Fprintln(os.Stderr, "")
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fmt.Fprintln(os.Stderr, "The following environment variables are optional:")
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fmt.Fprintln(os.Stderr, " CHANNEL_NAME - Channel to which the chaincode is deployed")
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fmt.Fprintln(os.Stderr, " CHAINCODE_NAME - Chaincode deployed to the channel")
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fmt.Fprintln(os.Stderr, " TLS_CERT - TLS CA root certificate (only if using TLS and private CA)")
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fmt.Fprintln(os.Stderr, " HOST_ALIAS - TLS hostname override (only if TLS cert does not match endpoint)")
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}
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