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demo: Get a temporary license upon demo startup
There is a wider discussion/design going on to serve licenses in a more general way in the future, so this commit is not aiming for a future-proof design, but instead an MVP to allow users to demo enterprise features within `cockroach demo`. We are not concerned about offline usage of enterprise features as users can obtain a license and enable features manually using SET. Fixes cockroachdb#40222. Release note (cli change): cockroach demo attempts to contact a license server to obtain a temporary license. cockroach demo now enables telemetry for the demo cluster. This feature can be opted out of by setting the `COCKROACH_SKIP_ENABLING_DIAGNOSTIC_REPORTING` environment variable (https://www.cockroachlabs.com/docs/stable/diagnostics-reporting.html).
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| // Copyright 2019 The Cockroach Authors. | ||
| // | ||
| // Licensed as a CockroachDB Enterprise file under the Cockroach Community | ||
| // License (the "License"); you may not use this file except in compliance with | ||
| // the License. You may obtain a copy of the License at | ||
| // | ||
| // https://github.com/cockroachdb/cockroach/blob/master/licenses/CCL.txt | ||
|
|
||
| package cliccl | ||
|
|
||
| import ( | ||
| gosql "database/sql" | ||
| "fmt" | ||
| "io/ioutil" | ||
| "net/http" | ||
| "time" | ||
|
|
||
| "github.com/cockroachdb/cockroach/pkg/build" | ||
| "github.com/cockroachdb/cockroach/pkg/cli" | ||
| "github.com/cockroachdb/cockroach/pkg/util/uuid" | ||
| "github.com/pkg/errors" | ||
| ) | ||
|
|
||
| // TODO (rohany): change this once another endpoint is setup for getting licenses. | ||
| // This URL grants a license that is valid for 1 hour. | ||
| const licenseURL = "https://register.cockroachdb.com/api/prodtest" | ||
|
|
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| func getLicense(clusterID uuid.UUID) (string, error) { | ||
| client := &http.Client{ | ||
| Timeout: 5 * time.Second, | ||
| } | ||
| // Send some extra information to the endpoint. | ||
| params := fmt.Sprintf("?type=demo&version=%s&clusterid=%s", build.VersionPrefix(), clusterID.String()) | ||
| resp, err := client.Get(licenseURL + params) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| defer resp.Body.Close() | ||
| if resp.StatusCode != http.StatusOK { | ||
| return "", errors.New("unable to connect to licensing endpoint") | ||
| } | ||
| bodyBytes, err := ioutil.ReadAll(resp.Body) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| return string(bodyBytes), nil | ||
| } | ||
|
|
||
| func getAndApplyLicense(db *gosql.DB, clusterID uuid.UUID, org string) (bool, error) { | ||
| license, err := getLicense(clusterID) | ||
| if err != nil { | ||
| return false, nil | ||
| } | ||
| if _, err := db.Exec(`SET CLUSTER SETTING cluster.organization = $1`, org); err != nil { | ||
| return false, err | ||
| } | ||
| if _, err := db.Exec(`SET CLUSTER SETTING enterprise.license = $1`, license); err != nil { | ||
| return false, err | ||
| } | ||
| return true, nil | ||
| } | ||
|
|
||
| func init() { | ||
| // Set the GetAndApplyLicense function within cockroach demo. | ||
| // This separation is done to avoid using enterprise features in an OSS/BSL build. | ||
| cli.GetAndApplyLicense = getAndApplyLicense | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,15 @@ | ||
| #! /usr/bin/env expect -f | ||
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| source [file join [file dirname $argv0] common.tcl] | ||
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| start_test "Check cockroach demo telemetry and license check can be disabled" | ||
|
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| # set the proper environment variable | ||
| set env(COCKROACH_SKIP_ENABLING_DIAGNOSTIC_REPORTING) "true" | ||
| spawn $argv demo | ||
| # wait for the CLI to start up | ||
| eexpect "movr>" | ||
| # send a request for an enterprise feature | ||
| send "alter table vehicles partition by list (city) (partition p1 values in ('nyc'));\n" | ||
| # expect that it failed, as no license was requested. | ||
| eexpect "use of partitions requires an enterprise license" |
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