This change enables users to have declarative specifications for Fission resources. Users can specify their "app" in a set of spec files, and use a new fission CLI command to "apply" these specs to a running cluster. The new "spec" CLI also includes archiving of local source files, and a file watcher that re-builds archives and uploads them on file changes, and a package build watcher that waits for package builds on the CLI. A "--spec" option is also added to "function create", and will be added to other resources in future changes. This option causes a YAML to be outputted to the specs directory instead of the resource being created on the cluster. The CLI "fission spec --help" outputs usage information.
18 lines
471 B
Markdown
18 lines
471 B
Markdown
# Hello World in Go on Fission
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`hello.go` is an very simple fission function that says "Hello, World!".
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```bash
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# This command creates the environment and function, and waits for the
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# function build. Look at the YAML files in specs/ for details about
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# how those are specified.
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$ fission spec apply --wait
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1 environment created
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1 package created
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1 function created
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# This run the function and prints its output
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$ fission function test --name hello
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Hello, World!
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```
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