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digraph {
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graph [nojustify=true] [labeljust=l]
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invisiblestart [label = ""] [color=white] [group=lifecycle];
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node [color=black] [fillcolor=white] [style=filled] [shape=box] [nojustify=true];
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uncommitted [label = "container request:\l state=Uncommitted\l"] [fillcolor=lightgrey] [group=lifecycle];
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{
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rank=same;
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committed [label = "container request:\l state=Committed\l priority>0\l"] [group=lifecycle];
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reused [label = "container request:\l state=Final\lcontainer:\l state=Complete\l(reused existing container)\l"] [fillcolor=lightblue] [group=endstate];
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}
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invisiblestart -> uncommitted [label = " user creates container request\l"] [color=navy] [fontcolor=navy];
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uncommitted -> committed [label = " user updates to\l state=Committed, priority>0\l"] [color=navy] [fontcolor=navy];
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queued [label = "container request:\l state=Committed\l priority>0\lcontainer:\l state=Queued\l"] [group=lifecycle];
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committed -> queued [label = " Arvados creates a new container\l"];
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{
|
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rank=same;
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locked [label = "container request:\l state=Committed\l priority>0\lcontainer:\l state=Locked\l"] [group=lifecycle];
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latecancelled [label = "container request:\l state=Final\lcontainer:\l state=Cancelled\l"] [fillcolor=lightblue] [group=endstate];
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}
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queued -> locked [label = " Arvados is ready to dispatch the container\l"];
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running [label = "container request:\l state=Committed\l priority>0\lcontainer:\l state=Running\l"] [group=lifecycle];
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locked -> running [label = " Arvados starts the container process\l"];
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node [color=black] [fillcolor=lightblue] [style=filled] [shape=box];
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{
|
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rank=same;
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containerfinished [label = "container request:\l state=Final\lcontainer:\l state=Complete\l exit_code=0\l"] [group=lifecycle];
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containerfailed [label = "container request:\l state=Final\lcontainer:\l state=Complete\l exit_code≠0\l"] [group=endstate];
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}
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committed -> reused [label = "Arvados selects an existing container"] [constraint=false];
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queued -> latecancelled [label = "user updates to priority=0"] [color=navy] [fontcolor=navy];
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locked -> latecancelled [label = "user updates to priority=0"] [color=navy] [fontcolor=navy] [constraint=false];
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running -> latecancelled [label = "user updates to priority=0"] [color=navy] [fontcolor=navy] [constraint=false];
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running -> containerfailed [label = "container process fails"];
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running -> containerfinished [label = " container process succeeds\l"];
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# layout hacks
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// committed -> containerfinished [style=invis];
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// uncommitted -> latecancelled [style=invis];
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reused -> latecancelled [style=invis];
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latecancelled -> containerfailed [style=invis];
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}
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