cloudstack: Allow reading api_url, api_key, and secret_key from env vars
If unset reads: - `api_url` from `CLOUDSTACK_API_URL` - `api_key` from `CLOUDSTACK_API_KEY` - `secret_key` from `CLOUDSTACK_SECRET_KEY`
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@ -79,6 +79,21 @@ func NewConfig(raws ...interface{}) (*Config, error) {
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var errs *packer.MultiError
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// Set some defaults.
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if c.APIURL == "" {
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// Default to environment variable for api_url, if it exists
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c.APIURL = os.Getenv("CLOUDSTACK_API_URL")
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}
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if c.APIKey == "" {
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// Default to environment variable for api_key, if it exists
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c.APIKey = os.Getenv("CLOUDSTACK_API_KEY")
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}
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if c.SecretKey == "" {
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// Default to environment variable for secret_key, if it exists
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c.SecretKey = os.Getenv("CLOUDSTACK_SECRET_KEY")
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}
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if c.AsyncTimeout == 0 {
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c.AsyncTimeout = 30 * time.Minute
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}
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@ -34,8 +34,12 @@ builder.
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### Required:
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- `api_url` (string) - The CloudStack API endpoint we will connect to.
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It can also be specified via environment variable `CLOUDSTACK_API_URL`,
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if set.
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- `api_key` (string) - The API key used to sign all API requests.
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- `api_key` (string) - The API key used to sign all API requests. It
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can also be specified via environment variable `CLOUDSTACK_API_KEY`,
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if set.
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- `cidr_list` (array) - List of CIDR's that will have access to the new
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instance. This is needed in order for any provisioners to be able to
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@ -49,6 +53,8 @@ builder.
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to.
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- `secret_key` (string) - The secret key used to sign all API requests.
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It can also be specified via environment variable `CLOUDSTACK_SECRET_KEY`,
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if set.
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- `service_offering` (string) - The name or ID of the service offering used
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for the instance.
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