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Wrote an OpenAPI 3.0 spec for Blubberoid that provides `x-amples`
entries compatible with service-checker.
The written spec includes basic schema for Blubber config objects that
may be later factored out for use in validation.
Note that OpenAPI 3.0 supports only the v4 draft of the JSON Schema
standard, so some parts of the configuration could not be fully
described. Specifically, v4 does not include the `patternProperties`
definition introduced in the JSON Schema v6 draft that would allow us to
describe `variants` and `runs.environment` and everything beneath.
Blubberoid was refactored slightly to incorporate the new spec as well
as assume JSON as the canonical and default configuration format. It was
also refactored to include a versioned namespace ("v1") after the server
endpoint.
Bug: T205920
Change-Id: I28a341aa503b8920d802715660d4c4d62be45475
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JSON seems a better option for a web service in general—other toolchains
in the Docker/Kubernetes space typically prefer YAML for human-edited
configs but convert to JSON on the wire. The "application/json" media
type is well established—unlike "application/yaml" which has no official
assignment by IANA—and is better supported by the OpenAPI (formerly
Swagger) specification.
Added content-type media type validation in the Blubberoid HTTP server
handler, and added a check for `json.Valid(body)` upon receiving a
"application/json" media type. Since any given valid JSON is also valid
YAML, Blubberoid simply does a shallow validation of the JSON body
before punting to `config.ReadConfig` for YAML unmarshalling and
thorough config validation.
Bug: T205920
Change-Id: I970acbde497ed446eb8eed568b1328f8c6f5aa55
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Uses the github.com/ghodss/yaml library to convert YAML to JSON before
unmarshaling for the purposes of supporting YAML and JSON input while
converting to only support JSON internally.
Bug: T207694
Change-Id: I00668014907e9ea54917f5d5067cac08d0668053
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Change-Id: I4a946ebbf1545a226457456ffeb8fc6971c46b33
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Adding types to variables that would have their types inferred from
function return types causes lint errors in go1.10.3 (my local machine).
Change-Id: I71ffbe7843084b4bd22b15ed223ed05d4ccc9aaa
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The `blubber` command already gets everything it needs from explicit
inputs, which makes it an easy candidate for running as a simple
microservice. This patch provides exactly that in the form of
`blubberoid`, an HTTP server that processes Blubber configuration.
To start the daemon:
make && blubberoid
To use it:
curl -i -X POST --data-binary @blubber.example.yaml http://:8748/[variant]
Change-Id: Ieea73048d092b974da424ba40ddc90eaf693af0b
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