istio

var (
	// ErrSdsAlreadyPresent occurs when trying to add an sds sidecar to a gateway-proxy which already has one
	ErrSdsAlreadyPresent = errors.New("sds sidecar container already exists on gateway-proxy pod")
	// ErrIstioAlreadyPresent occurs when trying to add an istio sidecar to a gateway-proxy which already has one
	ErrIstioAlreadyPresent = errors.New("istio-proxy sidecar container already exists on gateway-proxy pod")
	// ErrImgVerUndetermined occurs when the version of an image could not be determined from a given container
	ErrImgVerUndetermined = errors.New("version of image could not be determined")
	// ErrIstioVerUndetermined occurs when the version of istio could not be determined from the istiod pod
	ErrIstioVerUndetermined = errors.New("version of istio running could not be determined")
	// ErrGlooVerUndetermined occurs when the version of gloo could not be determined from the gloo pod
	ErrGlooVerUndetermined = errors.New("version of gloo running could not be determined")
)

var (
	// ErrMTLSAlreadyDisabled occurs when trying to disable mTLS for an upstream that isn't using mTLS
	ErrMTLSAlreadyDisabled = errors.New("upstream already has mTLS disabled")
)

var ErrMissingSidecars = errors.New("istio uninject can only be run when both the sds and istio-proxy sidecars are present on the gateway-proxy pod")

var ErrUpstreamSdsConfigPresent = errors.New("istio uninject can only be run when upstreams no longer reference the sds cluster")