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leaf package
Step 3 in the series. See earlier cc532efc2000 and d05e6dc09e.
This step moves some types into a new leaf "ptype" package out of the
big "settings" package. The policyclient.Client will later get new
methods to return those things (as well as Duration and Uint64, which
weren't done at the time of the earlier prototype).
Updates #16998
Updates #12614
Change-Id: I4d72d8079de3b5351ed602eaa72863372bd474a2
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
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This is step 1 of ~3, breaking up #14720 into reviewable chunks, with
the aim to make syspolicy be a build-time configurable feature.
In this first (very noisy) step, all the syspolicy string key
constants move to a new constant-only (code-free) package. This will
make future steps more reviewable, without this movement noise.
There are no code or behavior changes here.
The future steps of this series can be seen in #14720: removing global
funcs from syspolicy resolution and using an interface that's plumbed
around instead. Then adding build tags.
Updates #12614
Change-Id: If73bf2c28b9c9b1a408fe868b0b6a25b03eeabd1
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
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jsonv2 now returns an error when you marshal or unmarshal a time.Duration
without an explicit format flag. This is an intentional, temporary choice until
the default [time.Duration] representation is decided (see golang/go#71631).
setting.Snapshot can hold time.Duration values inside a map[string]any,
so the jsonv2 update breaks marshaling. In this PR, we start using
a custom marshaler until that decision is made or golang/go#71664
lets us specify the format explicitly.
This fixes `tailscale syspolicy list` failing when KeyExpirationNotice
or any other time.Duration policy setting is configured.
Fixes #16683
Signed-off-by: Nick Khyl <nickk@tailscale.com>
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I added yet another one in 6d117d64a256234 but that new one is at the
best place int he dependency graph and has the best name, so let's use
that one for everything possible.
types/lazy can't use it for circular dependency reasons, so unexport
that copy at least.
Updates #cleanup
Change-Id: I25db6b6a0d81dbb8e89a0a9080c7f15cbf7aa770
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
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The json/v2 prototype is still in flux and the API can/will change.
Statically enforce that types implementing the v2 methods
satisfy the correct interface so that changes to the signature
can be statically detected by the compiler.
Updates tailscale/corp#791
Signed-off-by: Joe Tsai <joetsai@digital-static.net>
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The upstream module has seen significant work making
the v1 emulation layer a high fidelity re-implementation
of v1 "encoding/json".
This addresses several upstream breaking changes:
* MarshalJSONV2 renamed as MarshalJSONTo
* UnmarshalJSONV2 renamed as UnmarshalJSONFrom
* Options argument removed from MarshalJSONV2
* Options argument removed from UnmarshalJSONV2
Updates tailscale/corp#791
Signed-off-by: Joe Tsai <joetsai@digital-static.net>
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We make setting.Snapshot JSON-marshallable in preparation for returning it from the LocalAPI.
Updates #12687
Signed-off-by: Nick Khyl <nickk@tailscale.com>
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We add setting.RawValue, a new type that facilitates unmarshalling JSON numbers and arrays
as uint64 and []string (instead of float64 and []any) for policy setting values.
We then use it to make setting.RawItem JSON-marshallable and update the tests.
Updates #12687
Signed-off-by: Nick Khyl <nickk@tailscale.com>
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environment variables
In this PR, we implement (but do not use yet, pending #13727 review) a syspolicy/source.Store
that reads policy settings from environment variables. It converts a CamelCase setting.Key,
such as AuthKey or ExitNodeID, to a SCREAMING_SNAKE_CASE, TS_-prefixed environment
variable name, such as TS_AUTH_KEY and TS_EXIT_NODE_ID. It then looks up the variable
and attempts to parse it according to the expected value type. If the environment variable
is not set, the policy setting is considered not configured in this store (the syspolicy package
will still read it from other sources). Similarly, if the environment variable has an invalid value
for the setting type, it won't be used (though the reported/logged error will differ).
Updates #13193
Updates #12687
Signed-off-by: Nick Khyl <nickk@tailscale.com>
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In this PR we add syspolicy/rsop package that facilitates policy source registration
and provides access to the resultant policy merged from all registered sources for a
given scope.
Updates #12687
Signed-off-by: Nick Khyl <nickk@tailscale.com>
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Updates #12912
Updates #12687
Signed-off-by: Nick Khyl <nickk@tailscale.com>
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stores
We add package defining interfaces for policy stores, enabling creation of policy sources
and reading settings from them. It includes a Windows-specific PlatformPolicyStore for GP and MDM
policies stored in the Registry, and an in-memory TestStore for testing purposes.
We also include an internal package that tracks and reports policy usage metrics when a policy setting
is read from a store. Initially, it will be used only on Windows and Android, as macOS, iOS, and tvOS
report their own metrics. However, we plan to use it across all platforms eventually.
Updates #12687
Signed-off-by: Nick Khyl <nickk@tailscale.com>
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syspolicy PRs
Package setting contains types for defining and representing policy settings.
It facilitates the registration of setting definitions using Register and RegisterDefinition,
and the retrieval of registered setting definitions via Definitions and DefinitionOf.
This package is intended for use primarily within the syspolicy package hierarchy,
and added in a preparation for the next PRs.
Updates #12687
Signed-off-by: Nick Khyl <nickk@tailscale.com>
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