istio.io/istio@v0.0.0-20240520182934-d79c90f27776/tools/istio-iptables/pkg/dependencies/interface.go (about)

     1  // Copyright Istio Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package dependencies
    16  
    17  import (
    18  	"io"
    19  
    20  	"istio.io/istio/tools/istio-iptables/pkg/constants"
    21  )
    22  
    23  // Dependencies is used as abstraction for the commands used from the operating system
    24  type Dependencies interface {
    25  	// Run runs a command
    26  	Run(cmd constants.IptablesCmd, iptVer *IptablesVersion, stdin io.ReadSeeker, args ...string) error
    27  	// RunQuietlyAndIgnore runs a command quietly and ignores errors
    28  	RunQuietlyAndIgnore(cmd constants.IptablesCmd, iptVer *IptablesVersion, stdin io.ReadSeeker, args ...string)
    29  
    30  	// DetectIptablesVersion consults the available binaries and in-use tables to determine
    31  	// which iptables variant (legacy, nft, v6, v4) we should use in the current context.
    32  	DetectIptablesVersion(ipV6 bool) (IptablesVersion, error)
    33  }