70 lines
1.6 KiB
Go
70 lines
1.6 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/plugin/discovery"
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)
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var zeroTwelve = discovery.ConstraintStr(">= 0.12.0").MustParse()
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type Config struct {
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Terraform TerraformConfig `hcl:"terraform"`
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Providers map[string][]discovery.ConstraintStr `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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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 !zeroTwelve.Allows(v) {
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return fmt.Errorf("this version of terraform-bundle can only build bundles for Terraform v0.12 and later; build terraform-bundle from the v0.11 branch or a v0.11.* tag 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][]discovery.ConstraintStr{}
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}
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for k, cs := range c.Providers {
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for _, c := range cs {
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if _, err := c.Parse(); 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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