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

<?xml version="1.0" encoding="utf-8" standalone="no"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 20010904//EN" "http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd"><svg xmlns="http://www.w3.org/2000/svg" width="1304" height="954" xmlns:xlink="http://www.w3.org/1999/xlink"><source><![CDATA[Participant Docker
#Participant "kata-runtime"
#Participant virtcontainers
#Participant shim
#Participant proxy
#Participant hypervisor
#Participant agent
Docker->"kata-runtime": create
"kata-runtime"->virtcontainers: CreateSandbox()
Note left of virtcontainers: Sandbox\nReady
virtcontainers->virtcontainers: createNetwork()
virtcontainers->virtcontainers: Execute PreStart Hooks
virtcontainers->hypervisor: Start VM (inside the netns)
hypervisor-->virtcontainers: VM started
virtcontainers->proxy: Start Proxy
proxy->hypervisor: Connect the VM
virtcontainers->agent: CreateSandbox()
agent-->virtcontainers: Sandbox Created
virtcontainers->agent: CreateContainer()
agent-->virtcontainers: Container Created
virtcontainers->shim: Start Shim
shim->agent: ReadStdout() (blocking call)
shim->agent: ReadStderr() (blocking call)
shim->agent: WaitProcess() (blocking call)
Note left of virtcontainers: Container\nReady
virtcontainers-->"kata-runtime": End of CreateSandbox()
"kata-runtime"-->Docker: End of create]]></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="896.40625" width="77.609375" height="38" stroke="#000000" fill="#ffffff" style="stroke-width: 2px;"></rect><text x="20" y="920.921875" 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="896.40625" stroke="#000000" fill="none" style="stroke-width: 2px;"></line><g class="actor"><rect x="126.0234375" y="20" width="135.21875" height="38" stroke="#000000" fill="#ffffff" style="stroke-width: 2px;"></rect><text x="136.0234375" y="44.515625" style="font-size: 16px; 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font-family: &quot;Andale Mono&quot;, monospace;"><tspan x="92.4140625">create</tspan></text><line x1="48.8046875" x2="193.6328125" y1="96" y2="96" stroke="#000000" fill="none" style="stroke-width: 2px; marker-end: url(#markerArrowBlock);"></line></g><g class="signal"><text x="237.234375" y="126.515625" style="font-size: 16px; font-family: &quot;Andale Mono&quot;, monospace;"><tspan x="237.234375">CreateSandbox()</tspan></text><line x1="193.6328125" x2="424.8671875" y1="134" y2="134" stroke="#000000" fill="none" style="stroke-width: 2px; marker-end: url(#markerArrowBlock);"></line></g><g class="note"><rect x="327.6484375" y="154" width="77.21875" height="47.203125" stroke="#000000" fill="#ffffff" style="stroke-width: 2px;"></rect><text x="332.6484375" y="173.515625" style="font-size: 16px; font-family: &quot;Andale Mono&quot;, monospace;"><tspan x="332.6484375">Sandbox</tspan><tspan dy="1.2em" x="332.6484375">Ready</tspan></text></g><g class="signal"><text x="449.8671875" y="235.203125" style="font-size: 16px; font-family: &quot;Andale Mono&quot;, monospace;"><tspan x="449.8671875">createNetwork()</tspan></text><line x1="424.8671875" x2="444.8671875" y1="221.203125" y2="221.203125" stroke="#000000" fill="none" style="stroke-width: 2px;"></line><line x1="444.8671875" x2="444.8671875" y1="221.203125" y2="244.203125" stroke="#000000" fill="none" style="stroke-width: 2px;"></line><line x1="444.8671875" x2="424.8671875" y1="244.203125" y2="244.203125" stroke="#000000" fill="none" style="stroke-width: 2px; marker-end: url(#markerArrowBlock);"></line></g><g class="signal"><text x="449.8671875" y="273.203125" style="font-size: 16px; font-family: &quot;Andale Mono&quot;, monospace;"><tspan x="449.8671875">Execute PreStart Hooks</tspan></text><line x1="424.8671875" x2="444.8671875" y1="259.203125" y2="259.203125" stroke="#000000" fill="none" style="stroke-width: 2px;"></line><line x1="444.8671875" x2="444.8671875" y1="259.203125" y2="282.203125" stroke="#000000" fill="none" style="stroke-width: 2px;"></line><line x1="444.8671875" x2="424.8671875" y1="282.203125" y2="282.203125" stroke="#000000" fill="none" style="stroke-width: 2px; marker-end: url(#markerArrowBlock);"></line></g><g class="signal"><text x="434.8671875" y="307.71875" style="font-size: 16px; font-family: &quot;Andale Mono&quot;, monospace;"><tspan x="434.8671875">Start VM (inside the netns)</tspan></text><line x1="424.8671875" x2="704.1171875" y1="315.203125" y2="315.203125" stroke="#000000" fill="none" style="stroke-width: 2px; marker-end: url(#markerArrowBlock);"></line></g><g class="signal"><text x="516.484375" y="345.71875" style="font-size: 16px; font-family: &quot;Andale Mono&quot;, monospace;"><tspan x="516.484375">VM started</tspan></text><line x1="704.1171875" x2="424.8671875" y1="353.203125" y2="353.203125" stroke="#000000" fill="none" style="stroke-width: 2px; stroke-dasharray: 6px, 2px; marker-end: url(#markerArrowBlock);"></line></g><g class="signal"><text x="588.890625" y="383.71875" style="font-size: 16px; font-family: &quot;Andale Mono&quot;, monospace;"><tspan x="588.890625">Start Proxy</tspan></text><line x1="424.8671875" x2="858.5390625" y1="391.203125" y2="391.203125" stroke="#000000" fill="none" style="stroke-width: 2px; marker-end: url(#markerArrowBlock);"></line></g><g class="signal"><text x="714.1171875" y="421.71875" style="font-size: 16px; font-family: &quot;Andale Mono&quot;, monospace;"><tspan x="714.1171875">Connect the VM</tspan></text><line x1="858.5390625" x2="704.1171875" y1="429.203125" y2="429.203125" stroke="#000000" fill="none" style="stroke-width: 2px; marker-end: url(#markerArrowBlock);"></line></g><g class="signal"><text x="613.6953125" y="459.71875" style="font-size: 16px; font-family: &quot;Andale Mono&quot;, monospace;"><tspan x="613.6953125">CreateSandbox()</tspan></text><line x1="424.8671875" x2="946.5546875" y1="467.203125" y2="467.203125" stroke="#000000" fill="none" style="stroke-width: 2px; marker-end: url(#markerArrowBlock);"></line></g><g class="signal"><text x="613.6953125" y="497.71875" style="font-size: 16px; font-family: &quot;Andale Mono&quot;, monospace;"><tspan x="613.6953125">Sandbox Created</tspan></text><line x1="946.5546875" x2="424.8671875" y1="505.203125" y2="505.203125" stroke="#000000" fill="none" style="stroke-width: 2px; 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marker-end: url(#markerArrowBlock);"></line></g><g class="note"><rect x="308.4453125" y="753.203125" width="96.421875" height="47.203125" stroke="#000000" fill="#ffffff" style="stroke-width: 2px;"></rect><text x="313.4453125" y="772.71875" style="font-size: 16px; font-family: &quot;Andale Mono&quot;, monospace;"><tspan x="313.4453125">Container</tspan><tspan dy="1.2em" x="313.4453125">Ready</tspan></text></g><g class="signal"><text x="203.6328125" y="830.921875" style="font-size: 16px; font-family: &quot;Andale Mono&quot;, monospace;"><tspan x="203.6328125">End of CreateSandbox()</tspan></text><line x1="424.8671875" x2="193.6328125" y1="838.40625" y2="838.40625" stroke="#000000" fill="none" style="stroke-width: 2px; stroke-dasharray: 6px, 2px; marker-end: url(#markerArrowBlock);"></line></g><g class="signal"><text x="58.8046875" y="868.921875" style="font-size: 16px; font-family: &quot;Andale Mono&quot;, monospace;"><tspan x="58.8046875">End of create</tspan></text><line x1="193.6328125" x2="48.8046875" y1="876.40625" y2="876.40625" stroke="#000000" fill="none" style="stroke-width: 2px; 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