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chore(errors): review all errors in codebase

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This commit is contained in:
Quentin McGaw
2022-02-20 02:58:16 +00:00
parent ac4a4f83fc
commit 920ad8b54b
88 changed files with 254 additions and 460 deletions
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20
internal/routing/enable.go
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@@ -1,17 +1,9 @@
package routing
import (
"errors"
"fmt"
)
var (
ErrDefaultRoute = errors.New("cannot get default route")
ErrAddInboundFromDefault = errors.New("cannot add routes for inbound traffic from default IP")
ErrDelInboundFromDefault = errors.New("cannot remove routes for inbound traffic from default IP")
ErrSubnetsOutboundSet = errors.New("cannot set outbound subnets routes")
)
type Setuper interface {
Setup() (err error)
}
@@ -19,7 +11,7 @@ type Setuper interface {
func (r *Routing) Setup() (err error) {
defaultInterfaceName, defaultGateway, err := r.DefaultRoute()
if err != nil {
return fmt.Errorf("%w: %s", ErrDefaultRoute, err)
return fmt.Errorf("cannot get default route: %w", err)
}
touched := false
@@ -35,14 +27,14 @@ func (r *Routing) Setup() (err error) {
err = r.routeInboundFromDefault(defaultGateway, defaultInterfaceName)
if err != nil {
return fmt.Errorf("%w: %s", ErrAddInboundFromDefault, err)
return fmt.Errorf("cannot add routes for inbound traffic from default IP: %w", err)
}
r.stateMutex.RLock()
outboundSubnets := r.outboundSubnets
r.stateMutex.RUnlock()
if err := r.setOutboundRoutes(outboundSubnets, defaultInterfaceName, defaultGateway); err != nil {
return fmt.Errorf("%w: %s", ErrSubnetsOutboundSet, err)
return fmt.Errorf("cannot set outbound subnets routes: %w", err)
}
return nil
@@ -55,16 +47,16 @@ type TearDowner interface {
func (r *Routing) TearDown() error {
defaultInterfaceName, defaultGateway, err := r.DefaultRoute()
if err != nil {
return fmt.Errorf("%w: %s", ErrDefaultRoute, err)
return fmt.Errorf("cannot get default route: %w", err)
}
err = r.unrouteInboundFromDefault(defaultGateway, defaultInterfaceName)
if err != nil {
return fmt.Errorf("%w: %s", ErrDelInboundFromDefault, err)
return fmt.Errorf("cannot remove routes for inbound traffic from default IP: %w", err)
}
if err := r.setOutboundRoutes(nil, defaultInterfaceName, defaultGateway); err != nil {
return fmt.Errorf("%w: %s", ErrSubnetsOutboundSet, err)
return fmt.Errorf("cannot set outbound subnets routes: %w", err)
}
return nil