74 lines
2.5 KiB
Go
74 lines
2.5 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: MPL-2.0
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package configutil
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import (
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"fmt"
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"os"
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"github.com/hashicorp/go-multierror"
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"github.com/hashicorp/hcl"
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"github.com/hashicorp/hcl/hcl/ast"
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sdkResource "github.com/hashicorp/hcp-sdk-go/resource"
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)
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// HCPLinkConfig is the HCP Link configuration for the server.
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type HCPLinkConfig struct {
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UnusedKeys UnusedKeyMap `hcl:",unusedKeyPositions"`
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ResourceIDRaw string `hcl:"resource_id"`
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Resource *sdkResource.Resource `hcl:"-"`
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EnableAPICapability bool `hcl:"enable_api_capability"`
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EnablePassThroughCapability bool `hcl:"enable_passthrough_capability"`
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ClientID string `hcl:"client_id"`
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ClientSecret string `hcl:"client_secret"`
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}
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func parseCloud(result *SharedConfig, list *ast.ObjectList) error {
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if len(list.Items) > 1 {
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return fmt.Errorf("only one 'cloud' block is permitted")
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}
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// Get our one item
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item := list.Items[0]
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if result.HCPLinkConf == nil {
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result.HCPLinkConf = &HCPLinkConfig{}
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}
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if err := hcl.DecodeObject(&result.HCPLinkConf, item.Val); err != nil {
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return multierror.Prefix(err, "cloud:")
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}
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// let's check if the Client ID and Secret are set in the environment
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if envClientID := os.Getenv("HCP_CLIENT_ID"); envClientID != "" {
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result.HCPLinkConf.ClientID = envClientID
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}
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if envClientSecret := os.Getenv("HCP_CLIENT_SECRET"); envClientSecret != "" {
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result.HCPLinkConf.ClientSecret = envClientSecret
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}
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// three pieces are necessary if the cloud stanza is configured
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if result.HCPLinkConf.ResourceIDRaw == "" || result.HCPLinkConf.ClientID == "" || result.HCPLinkConf.ClientSecret == "" {
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return multierror.Prefix(fmt.Errorf("failed to find the required cloud stanza configurations. all resource ID, client ID and client secret are required"), "cloud:")
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}
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res, err := sdkResource.FromString(result.HCPLinkConf.ResourceIDRaw)
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if err != nil {
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return multierror.Prefix(fmt.Errorf("failed to parse resource_id for HCP Link"), "cloud:")
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}
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result.HCPLinkConf.Resource = &res
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// ENV var takes precedence over the config value
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if apiCapEnv := os.Getenv("HCP_LINK_ENABLE_API_CAPABILITY"); apiCapEnv != "" {
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result.HCPLinkConf.EnableAPICapability = true
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}
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if passthroughCapEnv := os.Getenv("HCP_LINK_ENABLE_PASSTHROUGH_CAPABILITY"); passthroughCapEnv != "" {
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result.HCPLinkConf.EnablePassThroughCapability = true
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}
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return nil
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}
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