config.go

package acceptance

import (
	"encoding/json"
	"errors"
	"os"

	boshsys "github.com/cloudfoundry/bosh-init/internal/github.com/cloudfoundry/bosh-utils/system"
)

type Config struct {
	VMUsername          	 string `json:"vm_username"`
	VMIP                	 string `json:"vm_ip"`
	VMPort              	 string `json:"vm_port"`
	PrivateKeyPath      	 string `json:"private_key_path"`
	StemcellURL         	 string `json:"stemcell_url"`
	StemcellSHA1        	 string `json:"stemcell_sha1"`
	StemcellPath        	 string `json:"stemcell_path"`
	CpiReleaseURL       	 string `json:"cpi_release_url"`
	CpiReleaseSHA1      	 string `json:"cpi_release_sha1"`
	CpiReleasePath      	 string `json:"cpi_release_path"`
	DummyReleasePath    	 string `json:"dummy_release_path"`
	DummyTooReleasePath 	 string `json:"dummy_too_release_path"`
	DummyCompiledReleasePath string `json:"dummy_compiled_release_path"`
}

func NewConfig(fs boshsys.FileSystem) (*Config, error) {
	path := os.Getenv("BOSH_INIT_CONFIG_PATH")
	if path == "" {
		return &Config{}, errors.New("Must provide config file via BOSH_INIT_CONFIG_PATH environment variable")
	}

	configContents, err := fs.ReadFile(path)
	if err != nil {
		return &Config{}, err
	}

	var config Config
	err = json.Unmarshal(configContents, &config)
	if err != nil {
		return &Config{}, err
	}

	return &config, nil
}

func (c *Config) IsLocalCpiRelease() bool {
	return c.CpiReleasePath != ""
}

func (c *Config) IsLocalStemcell() bool {
	return c.StemcellPath != ""
}

func (c *Config) Validate() error {
	if c.VMUsername == "" {
		return errors.New("Must provide 'vm_username' in config")
	}

	if c.VMIP == "" {
		return errors.New("Must provide 'vm_ip' in config")
	}

	if c.PrivateKeyPath == "" {
		return errors.New("Must provide 'private_key_path' in config")
	}

	if c.StemcellURL == "" && c.StemcellPath == "" {
		return errors.New("Must provide 'stemcell_url' or 'stemcell_path' in config")
	}

	if c.CpiReleaseURL == "" && c.CpiReleasePath == "" {
		return errors.New("Must provide 'cpi_release_url' or 'cpi_release_path' in config")
	}

	if c.DummyTooReleasePath == "" {
		return errors.New("Must provide 'dummy_too_release_path' in config")
	}

	if c.DummyCompiledReleasePath == "" {
		return errors.New("Must provide 'dummy_compiled_release_path' in config")
	}

	return nil
}