Automatic merge from submit-queue
TLS bootstrap API group (alpha)
This PR only covers the new types and related client/storage code- the vast majority of the line count is codegen. The implementation differs slightly from the current proposal document based on discussions in design thread (#20439). The controller logic and kubelet support mentioned in the proposal are forthcoming in separate requests.
I submit that #18762 ("Creating a new API group is really hard") is, if anything, understating it. I've tried to structure the commits to illustrate the process.
@mikedanese @erictune @smarterclayton @deads2k
```release-note-experimental
An alpha implementation of the the TLS bootstrap API described in docs/proposals/kubelet-tls-bootstrap.md.
```
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Specifying // +protobuf.nullable=true on a Go type that is an alias of a
map or slice will generate a synthetic protobuf message with the type
name that will serialize to the wire in a way that allows the difference
between empty and nil to be recorded.
For instance:
// +protobuf.nullable=true
types OptionalMap map[string]string
will create the following message:
message OptionalMap {
map<string, string> Items = 1
}
and generate marshallers that use the presence of OptionalMap to
determine whether the map is nil (rather than Items, which protobuf
provides no way to delineate between empty and nil).
Automatic merge from submit-queue
Implement a streaming serializer for watch
Changeover watch to use streaming serialization. Properly version the
watch objects. Implement simple framing for JSON and Protobuf (but not
YAML).
@wojtek-t @lavalamp
Automatic merge from submit-queue
Additional go vet fixes
Mostly:
- pass lock by value
- bad syntax for struct tag value
- example functions not formatted properly
In order to allow a Go type to have a different internal representation,
provide the comment `// +protobuf.as=MESSAGENAME` which substitutes the
current message's members with the named message's members. Used by the
unversioned.Time type to have the same fields as unversioned.Timestamp
and to have an alternate serialization.
The protobuf tags contain the assigned tag id, which then ensures
subsequent generation is consistently tagging (tags don't change across
generations unless someone deletes the protobuf tag).
In addition, generate final proto IDL that is free of gogoproto
extensions for ease of generation into other languages.
Add a flag --keep-gogoproto which preserves the gogoproto extensions in
the final IDL.
Tim Hockin