[Analysis] Set a minimum number of instances for frontend services.

Avoid latency spikes on off-peak times by always having a couple
of instances running, rather than scaling down to zero, which
necessitates waiting for a new instance to start before a request
can be handled.

Reference:
https://cloud.google.com/appengine/docs/standard/reference/app-yaml?tab=go

BUG=b:355796752
TEST=None

Change-Id: I00e786144399a9f94a0a71faf8f5985a0c49bc37
Reviewed-on: https://chromium-review.googlesource.com/c/infra/luci/luci-go/+/5741143
Reviewed-by: Weiwei Lin <weiweilin@google.com>
Auto-Submit: Patrick Meiring <meiring@google.com>
Commit-Queue: Weiwei Lin <weiweilin@google.com>
2 files changed
tree: cf3034113f466836cba48240ba32701e9309a945
  1. analysis/
  2. appengine/
  3. auth/
  4. auth_service/
  5. bisection/
  6. build/
  7. buildbucket/
  8. casviewer/
  9. cipd/
  10. cipkg/
  11. client/
  12. common/
  13. config/
  14. config_service/
  15. cv/
  16. deploy/
  17. examples/
  18. gae/
  19. gce/
  20. grpc/
  21. hardcoded/
  22. led/
  23. logdog/
  24. luci_notify/
  25. lucicfg/
  26. lucictx/
  27. luciexe/
  28. mailer/
  29. milo/
  30. mmutex/
  31. provenance/
  32. resultdb/
  33. scheduler/
  34. scripts/
  35. server/
  36. standalone/
  37. starlark/
  38. swarming/
  39. teams/
  40. third_party/
  41. tokenserver/
  42. tools/
  43. tree_status/
  44. vpython/
  45. web/
  46. .gitallowed
  47. .gitattributes
  48. .gitignore
  49. .go-lintable
  50. AUTHORS
  51. codereview.settings
  52. CONTRIBUTING.md
  53. CONTRIBUTORS
  54. go.mod
  55. go.sum
  56. LICENSE
  57. OWNERS
  58. PRESUBMIT.py
  59. README.md
  60. tools.go
  61. WATCHLISTS
README.md

luci-go: LUCI services and tools in Go

GoReference

Installing

LUCI Go code is meant to be worked on from an Chromium infra.git checkout, which enforces packages versions and Go toolchain version. First get fetch via depot_tools.git then run:

fetch infra
cd infra/go
eval `./env.py`
cd src/go.chromium.org/luci

It is now possible to directly install tools with go install:

go install go.chromium.org/luci/auth/client/cmd/...@latest
go install go.chromium.org/luci/buildbucket/cmd/...@latest
go install go.chromium.org/luci/cipd/client/cmd/...@latest
go install go.chromium.org/luci/client/cmd/...@latest
go install go.chromium.org/luci/cv/cmd/...@latest
go install go.chromium.org/luci/gce/cmd/...@latest
go install go.chromium.org/luci/grpc/cmd/...@latest
go install go.chromium.org/luci/logdog/client/cmd/...@latest
go install go.chromium.org/luci/luci_notify/cmd/...@latest
go install go.chromium.org/luci/lucicfg/cmd/...@latest
go install go.chromium.org/luci/luciexe/legacy/cmd/...@latest
go install go.chromium.org/luci/mailer/cmd/...@latest
go install go.chromium.org/luci/mmutex/cmd/...@latest
go install go.chromium.org/luci/resultdb/cmd/...@latest
go install go.chromium.org/luci/server/cmd/...@latest
go install go.chromium.org/luci/swarming/cmd/...@latest
go install go.chromium.org/luci/tokenserver/cmd/...@latest
go install go.chromium.org/luci/tools/cmd/...@latest

Contributing

Contributing uses the same flow as Chromium contributions.