globals

type GlobalOpts struct {
	// RunOpts are inlined to allow tests to override parameters without changing ENV variables or flags
	RunOpts
	// Version is the version of the CLI, used in help statements and HTTP requests via "User-Agent".
	// Override this via "-X main.version=XXX"
	Version version.Version
	// EnvoyVersionsURL is the path to the envoy-versions.json. Defaults to DefaultEnvoyVersionsURL
	EnvoyVersionsURL string
	// EnvoyVersion is the default version of Envoy to run. Defaults to the contents of "$HomeDir/versions/version".
	// When that file is missing, it is generated from ".latestVersion" from the EnvoyVersionsURL. Its
	// value can be in full version major.minor.patch format, e.g. 1.18.1 or without patch component,
	// major.minor, e.g. 1.18.
	EnvoyVersion version.Version
	// HomeDir is an absolute path which most importantly contains "versions" installed from EnvoyVersionsURL. Defaults to DefaultHomeDir
	HomeDir string
	// Quiet means don't Logf to Out
	Quiet bool
	// Out is where status messages are written. Defaults to os.Stdout
	Out io.Writer
	// The platform to target for the Envoy install.
	Platform version.Platform
	// FuncEVersions is the interface for fetching Envoy release versions map from the EnvoyVersionsURL.
	FuncEVersions version.FuncEVersions
}

type RunOpts struct {
	// EnvoyPath is the exec.Cmd path to "envoy". Defaults to "$HomeDir/versions/$version/bin/envoy"
	EnvoyPath string
	// RunDir is the location any generated files are written.
	// This is not Envoy's working directory, which remains the same as the $PWD of func-e.
	//
	// Upon shutdown, this directory is archived as "../$(basename $RunDir).tar.gz"
	// Defaults to "$HomeDir/runs/$epochtime"
	RunDir string
	// DontArchiveRunDir is used in testing and prevents archiving the RunDir
	DontArchiveRunDir bool
}