design/arch-images/kata-oci-exec.svg

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Docker->kata runtime: exec
kata runtime->virtcontainers: EnterContainer()
virtcontainers->agent: exec
agent->virtcontainers: Process started in the container
virtcontainers->shim: start shim
shim->agent: ReadStdout()
shim->agent: ReadStderr()
shim->agent: WaitProcess()
virtcontainers->kata runtime: End of EnterContainer()
kata runtime-->Docker: End of exec]]></source><desc></desc><defs><marker viewBox="0 0 5 5" markerWidth="5" markerHeight="5" orient="auto" refX="5" refY="2.5" id="markerArrowBlock"><path d="M 0 0 L 5 2.5 L 0 5 z"></path></marker><marker viewBox="0 0 9.6 16" markerWidth="4" markerHeight="16" orient="auto" refX="9.6" refY="8" id="markerArrowOpen"><path d="M 9.6,8 1.92,16 0,13.7 5.76,8 0,2.286 1.92,0 9.6,8 z"></path></marker></defs><g class="title"></g><g class="actor"><rect x="10" y="20" width="77.609375" height="38" stroke="#000000" fill="#ffffff" style="stroke-width: 2px;"></rect><text x="20" y="44.515625" style="font-size: 16px; font-family: &quot;Andale Mono&quot;, monospace;"><tspan x="20">Docker</tspan></text></g><g class="actor"><rect x="10" y="458" width="77.609375" height="38" stroke="#000000" fill="#ffffff" style="stroke-width: 2px;"></rect><text x="20" y="482.515625" style="font-size: 16px; font-family: &quot;Andale Mono&quot;, monospace;"><tspan x="20">Docker</tspan></text></g><line x1="48.8046875" x2="48.8046875" y1="58" y2="458" stroke="#000000" fill="none" style="stroke-width: 2px;"></line><g class="actor"><rect x="107.609375" y="20" width="135.21875" height="38" stroke="#000000" fill="#ffffff" style="stroke-width: 2px;"></rect><text x="117.609375" y="44.515625" style="font-size: 16px; font-family: &quot;Andale Mono&quot;, monospace;"><tspan x="117.609375">kata runtime</tspan></text></g><g class="actor"><rect x="107.609375" y="458" width="135.21875" height="38" stroke="#000000" fill="#ffffff" style="stroke-width: 2px;"></rect><text x="117.609375" y="482.515625" style="font-size: 16px; font-family: &quot;Andale Mono&quot;, monospace;"><tspan x="117.609375">kata runtime</tspan></text></g><line x1="175.21875" x2="175.21875" y1="58" y2="458" stroke="#000000" fill="none" style="stroke-width: 2px;"></line><g class="actor"><rect x="338.8515625" y="20" width="154.421875" height="38" stroke="#000000" fill="#ffffff" style="stroke-width: 2px;"></rect><text x="348.8515625" y="44.515625" style="font-size: 16px; font-family: &quot;Andale Mono&quot;, monospace;"><tspan x="348.8515625">virtcontainers</tspan></text></g><g class="actor"><rect x="338.8515625" y="458" width="154.421875" height="38" stroke="#000000" fill="#ffffff" style="stroke-width: 2px;"></rect><text x="348.8515625" y="482.515625" style="font-size: 16px; font-family: &quot;Andale Mono&quot;, monospace;"><tspan x="348.8515625">virtcontainers</tspan></text></g><line x1="416.0625" x2="416.0625" y1="58" y2="458" stroke="#000000" fill="none" style="stroke-width: 2px;"></line><g class="actor"><rect x="709.3046875" y="20" width="68.015625" height="38" stroke="#000000" fill="#ffffff" style="stroke-width: 2px;"></rect><text x="719.3046875" y="44.515625" style="font-size: 16px; font-family: &quot;Andale Mono&quot;, monospace;"><tspan x="719.3046875">agent</tspan></text></g><g class="actor"><rect x="709.3046875" y="458" width="68.015625" height="38" stroke="#000000" fill="#ffffff" style="stroke-width: 2px;"></rect><text x="719.3046875" y="482.515625" style="font-size: 16px; font-family: &quot;Andale Mono&quot;, monospace;"><tspan x="719.3046875">agent</tspan></text></g><line x1="743.3125" x2="743.3125" y1="58" y2="458" stroke="#000000" fill="none" style="stroke-width: 2px;"></line><g class="actor"><rect x="858.9375" y="20" width="58.40625" height="38" stroke="#000000" fill="#ffffff" style="stroke-width: 2px;"></rect><text x="868.9375" y="44.515625" style="font-size: 16px; font-family: &quot;Andale Mono&quot;, monospace;"><tspan x="868.9375">shim</tspan></text></g><g class="actor"><rect x="858.9375" y="458" width="58.40625" height="38" stroke="#000000" fill="#ffffff" style="stroke-width: 2px;"></rect><text x="868.9375" y="482.515625" style="font-size: 16px; font-family: &quot;Andale Mono&quot;, monospace;"><tspan x="868.9375">shim</tspan></text></g><line x1="888.140625" x2="888.140625" y1="58" y2="458" stroke="#000000" fill="none" style="stroke-width: 2px;"></line><g class="signal"><text x="92.80859375" y="88.515625" style="font-size: 16px; font-family: &quot;Andale Mono&quot;, monospace;"><tspan x="92.80859375">exec</tspan></text><line x1="48.8046875" x2="175.21875" y1="96" y2="96" stroke="#000000" fill="none" style="stroke-width: 2px; marker-end: url(#markerArrowBlock);"></line></g><g class="signal"><text x="218.828125" y="126.515625" style="font-size: 16px; font-family: &quot;Andale Mono&quot;, monospace;"><tspan x="218.828125">EnterContainer()</tspan></text><line x1="175.21875" x2="416.0625" y1="134" y2="134" stroke="#000000" fill="none" style="stroke-width: 2px; marker-end: url(#markerArrowBlock);"></line></g><g class="signal"><text x="560.484375" y="164.515625" style="font-size: 16px; font-family: &quot;Andale Mono&quot;, monospace;"><tspan x="560.484375">exec</tspan></text><line x1="416.0625" x2="743.3125" y1="172" y2="172" stroke="#000000" fill="none" style="stroke-width: 2px; marker-end: url(#markerArrowBlock);"></line></g><g class="signal"><text x="426.0625" y="202.515625" style="font-size: 16px; font-family: &quot;Andale Mono&quot;, monospace;"><tspan x="426.0625">Process started in the container</tspan></text><line x1="743.3125" x2="416.0625" y1="210" y2="210" stroke="#000000" fill="none" style="stroke-width: 2px; marker-end: url(#markerArrowBlock);"></line></g><g class="signal"><text x="604.09375" y="240.515625" style="font-size: 16px; font-family: &quot;Andale Mono&quot;, monospace;"><tspan x="604.09375">start shim</tspan></text><line x1="416.0625" x2="888.140625" y1="248" y2="248" stroke="#000000" fill="none" style="stroke-width: 2px; marker-end: url(#markerArrowBlock);"></line></g><g class="signal"><text x="758.1171875" y="278.515625" style="font-size: 16px; font-family: &quot;Andale Mono&quot;, monospace;"><tspan x="758.1171875">ReadStdout()</tspan></text><line x1="888.140625" x2="743.3125" y1="286" y2="286" stroke="#000000" fill="none" style="stroke-width: 2px; marker-end: url(#markerArrowBlock);"></line></g><g class="signal"><text x="758.1171875" y="316.515625" style="font-size: 16px; font-family: &quot;Andale Mono&quot;, monospace;"><tspan x="758.1171875">ReadStderr()</tspan></text><line x1="888.140625" x2="743.3125" y1="324" y2="324" stroke="#000000" fill="none" style="stroke-width: 2px; marker-end: url(#markerArrowBlock);"></line></g><g class="signal"><text x="753.3125" y="354.515625" style="font-size: 16px; font-family: &quot;Andale Mono&quot;, monospace;"><tspan x="753.3125">WaitProcess()</tspan></text><line x1="888.140625" x2="743.3125" y1="362" y2="362" stroke="#000000" fill="none" style="stroke-width: 2px; marker-end: url(#markerArrowBlock);"></line></g><g class="signal"><text x="185.21875" y="392.515625" style="font-size: 16px; font-family: &quot;Andale Mono&quot;, monospace;"><tspan x="185.21875">End of EnterContainer()</tspan></text><line x1="416.0625" x2="175.21875" y1="400" y2="400" stroke="#000000" fill="none" style="stroke-width: 2px; marker-end: url(#markerArrowBlock);"></line></g><g class="signal"><text x="59.19921875" y="430.515625" style="font-size: 16px; font-family: &quot;Andale Mono&quot;, monospace;"><tspan x="59.19921875">End of exec</tspan></text><line x1="175.21875" x2="48.8046875" y1="438" y2="438" stroke="#000000" fill="none" style="stroke-width: 2px; stroke-dasharray: 6px, 2px; marker-end: url(#markerArrowBlock);"></line></g></svg>