5e28a4ab07
This change wires up the new Read RPC method in such a manner that Pulumi programs can invoke it. This is technically not required for refreshing state programmatically (as in pulumi/pulumi#1081), however it's a feature we had eons ago and have wanted since (see pulumi/pulumi#83), and will allow us to write code like let vm = aws.ec2.Instance.get("my-vm", "i-07043cd97bd2c9cfc"); // use any property from here on out ... The way this works is simply by bridging the Pulumi program via its existing RPC connection to the engine, much like Invoke and RegisterResource RPC requests already do, and then invoking the proper resource provider in order to read the state. Note that some resources cannot be uniquely identified by their ID alone, and so an extra resource state bag may be provided with just those properties required. This came almost for free (okay, not exactly) and will come in handy as we start gaining experience with reading live state from resources. |
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| README.md | ||