84 lines
1.9 KiB
Go
84 lines
1.9 KiB
Go
package main
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import (
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"fmt"
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"io/ioutil"
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"github.com/hashicorp/hcl"
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"github.com/hashicorp/terraform/addrs"
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"github.com/hashicorp/terraform/internal/getproviders"
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"github.com/hashicorp/terraform/plugin/discovery"
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)
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var zeroThirteen = discovery.ConstraintStr(">= 0.13.0").MustParse()
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type Config struct {
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Terraform TerraformConfig `hcl:"terraform"`
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Providers map[string]ProviderConfig `hcl:"providers"`
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}
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type TerraformConfig struct {
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Version discovery.VersionStr `hcl:"version"`
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}
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type ProviderConfig struct {
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Versions []string `hcl:"versions"`
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Source string `hcl:"source"`
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}
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func LoadConfig(src []byte, filename string) (*Config, error) {
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config := &Config{}
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err := hcl.Decode(config, string(src))
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if err != nil {
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return config, err
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}
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err = config.validate()
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return config, err
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}
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func LoadConfigFile(filename string) (*Config, error) {
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src, err := ioutil.ReadFile(filename)
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if err != nil {
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return nil, err
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}
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return LoadConfig(src, filename)
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}
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func (c *Config) validate() error {
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if c.Terraform.Version == "" {
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return fmt.Errorf("terraform.version is required")
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}
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var v discovery.Version
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var err error
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if v, err = c.Terraform.Version.Parse(); err != nil {
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return fmt.Errorf("terraform.version: %s", err)
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}
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if !zeroThirteen.Allows(v) {
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return fmt.Errorf("this version of terraform-bundle can only build bundles for Terraform v0.13 and later; build terraform-bundle from a release tag (such as v0.12.*) to construct bundles for earlier versions")
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}
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if c.Providers == nil {
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c.Providers = map[string]ProviderConfig{}
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}
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for k, cs := range c.Providers {
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if cs.Source != "" {
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_, diags := addrs.ParseProviderSourceString(cs.Source)
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if diags.HasErrors() {
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return fmt.Errorf("providers.%s: %s", k, diags.Err().Error())
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}
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}
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for _, c := range cs.Versions {
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if _, err := getproviders.ParseVersionConstraints(c); err != nil {
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return fmt.Errorf("providers.%s: %s", k, err)
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}
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}
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}
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return nil
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}
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