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feat(nix/buildkite): Allow toggling of individual phases

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Using the `activePhases` attribute, the set of phases included in an
evaluation can be modified.

This lets users generate e.g. ONLY the release steps of a pipeline.

Change-Id: Ib0c38826dd69666094d619f5f324d1baafce8134
Reviewed-on: https://cl.tvl.fyi/c/depot/+/5828
Tested-by: BuildkiteCI
Reviewed-by: ezemtsov <eugene.zemtsov@gmail.com>
This commit is contained in:
Vincent Ambo 2022-06-02 17:45:45 +00:00 committed by tazjin
parent ebd701b221
commit 302f7e6623
1 changed files with 18 additions and 6 deletions
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24
nix/buildkite/default.nix
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@ -142,14 +142,26 @@ rec {
#
# Can be used for status reporting steps and the like.
postBuildSteps ? [ ]
, # Build phases that are active for this invocation (i.e. their
# steps should be generated).
#
# This can be used to disable outputting parts of a pipeline if,
# for example, build and release phases are created in separate
# eval contexts.
#
# TODO(tazjin): Fail/warn if unknown phase is requested.
activePhases ? [ "build" "release" ]
}:
let
# List of phases to include. Currently the only phases are 'build'
# (Nix builds and extra steps that are not post-build steps) and
# 'post' (all post-build steps).
# Currently the only known phases are 'build' (Nix builds and
# extra steps that are not post-build steps) and 'release' (all
# post-build steps).
#
# TODO(tazjin): Configurable set of phases.
phases = [ "build" "release" ];
# TODO(tazjin): Fully configurable set of phases?
knownPhases = [ "build" "release" ];
# List of phases to include.
phases = lib.intersectLists activePhases knownPhases;
# Convert a target into all of its steps, separated by build
# phase (as phases end up in different chunks).
@ -166,7 +178,7 @@ rec {
# Split extra steps by phase.
splitExtraSteps = lib.groupBy ({ phase, ... }: phase)
(attrValues (mapAttrs (normaliseExtraStep phases overridable)
(attrValues (mapAttrs (normaliseExtraStep knownPhases overridable)
(target.meta.ci.extraSteps or { })));
extraSteps = mapAttrs (_: steps: map mkExtraStep steps) splitExtraSteps;