istio

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