mirror of
https://github.com/edgelesssys/constellation.git
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72 lines
2.0 KiB
Go
72 lines
2.0 KiB
Go
//go:build enterprise
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/*
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Copyright (c) Edgeless Systems GmbH
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SPDX-License-Identifier: AGPL-3.0-only
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*/
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package license
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import (
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"context"
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"errors"
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"io/fs"
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"github.com/edgelesssys/constellation/v2/internal/cloud/cloudprovider"
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"github.com/edgelesssys/constellation/v2/internal/config"
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"github.com/edgelesssys/constellation/v2/internal/constants"
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"github.com/edgelesssys/constellation/v2/internal/file"
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)
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type Checker struct {
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quotaChecker QuotaChecker
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fileHandler file.Handler
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}
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func NewChecker(quotaChecker QuotaChecker, fileHandler file.Handler) *Checker {
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return &Checker{
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quotaChecker: quotaChecker,
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fileHandler: fileHandler,
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}
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}
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// CheckLicense tries to read the license file and contact license server
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// to fetch quota information.
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// If no license file is found, community license is assumed.
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func (c *Checker) CheckLicense(ctx context.Context, provider cloudprovider.Provider, providerCfg config.ProviderConfig, printer func(string, ...any)) error {
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licenseID, err := FromFile(c.fileHandler, constants.LicenseFilename)
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if errors.Is(err, fs.ErrNotExist) {
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printer("Using community license.\n")
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licenseID = CommunityLicense
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} else if err != nil {
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printer("Error: %v\nContinuing with community license.\n", err)
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licenseID = CommunityLicense
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} else {
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printer("Constellation license found!\n")
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}
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providerStr := provider.String()
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if provider == cloudprovider.Azure {
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if *providerCfg.Azure.ConfidentialVM {
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providerStr = "azure-cvm"
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} else {
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providerStr = "azure-tl"
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}
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}
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quotaResp, err := c.quotaChecker.QuotaCheck(ctx, QuotaCheckRequest{
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License: licenseID,
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Action: Init,
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Provider: providerStr,
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})
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if err != nil {
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printer("Unable to contact license server.\n")
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printer("Please keep your vCPU quota in mind.\n")
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} else if licenseID == CommunityLicense {
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printer("For details, see https://docs.edgeless.systems/constellation/overview/license\n")
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} else {
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printer("Please keep your vCPU quota (%d) in mind.\n", quotaResp.Quota)
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}
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return nil
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}
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