[lkgb] Add a tool to find the "last known good build"
Finds the last known good build for a given builder.
e.g. $ lkgb fuchsia/ci/fuchsia-x64-release
IN-990 #comment
Change-Id: Ibb19e2edb41dd17c004f53ce54183f89fce3591b
diff --git a/cmd/lkgb/main.go b/cmd/lkgb/main.go
new file mode 100644
index 0000000..c093971
--- /dev/null
+++ b/cmd/lkgb/main.go
@@ -0,0 +1,108 @@
+// Copyright 2019 The Fuchsia Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package main
+
+import (
+ "context"
+ "errors"
+ "flag"
+ "fmt"
+ "log"
+ "os"
+
+ "fuchsia.googlesource.com/tools/buildbucket"
+ "go.chromium.org/luci/auth/client/authcli"
+ "go.chromium.org/luci/hardcoded/chromeinfra"
+ "google.golang.org/genproto/protobuf/field_mask"
+
+ buildbucketpb "go.chromium.org/luci/buildbucket/proto"
+)
+
+// Command line flags
+var (
+ // LUCI authentication flags.
+ authFlags authcli.Flags
+
+ // A flag for reading a BuildBucket Builder ID from command line args.
+ builderIDFlag = buildbucket.BuilderID()
+
+ // Whether to show help and exit.
+ help bool
+)
+
+func usage() {
+ fmt.Printf(`lkgb [flags] builder-id
+lkgb returns the "Last Known Good Build" id for a given builder. builder-id must have the
+form "project/bucket/builder". For example: "fuchsia/ci/fuchsia-x64-release".
+`)
+ flag.PrintDefaults()
+}
+
+func init() {
+ authFlags.Register(flag.CommandLine, chromeinfra.DefaultAuthOptions())
+ flag.BoolVar(&help, "h", false, "Whether to show usage and exit")
+ flag.Usage = usage
+}
+
+func main() {
+ flag.Parse()
+ if help || flag.NArg() == 0 {
+ flag.Usage()
+ return
+ }
+
+ if err := execute(context.Background(), flag.Arg(0)); err != nil {
+ log.Println(err)
+ os.Exit(1)
+ }
+ os.Exit(0)
+}
+
+func execute(ctx context.Context, input string) error {
+ opts, err := authFlags.Options()
+ if err != nil {
+ return fmt.Errorf("failed to get auth options: %v", err)
+ }
+
+ if err := builderIDFlag.Set(input); err != nil {
+ return fmt.Errorf("invalid builder id %q: %v", input, err)
+ }
+
+ client, err := buildbucket.NewBuildsClient(ctx, buildbucket.DefaultHost, opts)
+ if err != nil {
+ return fmt.Errorf("failed to create builds client: %v", err)
+ }
+
+ builderID := builderIDFlag.Get().(buildbucketpb.BuilderID)
+ buildID, err := getBuildID(ctx, client, builderID)
+ if err != nil {
+ return fmt.Errorf("failed to get build: %v", err)
+ }
+
+ fmt.Printf("%d\n", buildID)
+ return nil
+}
+
+func getBuildID(ctx context.Context, client buildbucketpb.BuildsClient, builderID buildbucketpb.BuilderID) (int64, error) {
+ response, err := client.SearchBuilds(ctx, &buildbucketpb.SearchBuildsRequest{
+ Predicate: &buildbucketpb.BuildPredicate{
+ Builder: &builderID,
+ Status: buildbucketpb.Status_SUCCESS,
+ },
+ Fields: &field_mask.FieldMask{
+ Paths: []string{"builds.*.id"},
+ },
+ PageSize: 1,
+ })
+
+ if err != nil {
+ return 0, fmt.Errorf("search failed: %v", err)
+ }
+ if response.Builds == nil || len(response.Builds) == 0 {
+ return 0, errors.New("no build found")
+ }
+
+ return response.Builds[0].Id, nil
+}
diff --git a/go.mod b/go.mod
index f2e7b40..b4dffba 100644
--- a/go.mod
+++ b/go.mod
@@ -11,11 +11,8 @@
github.com/gopherjs/gopherjs v0.0.0-20181103185306-d547d1d9531e // indirect
github.com/jtolds/gls v4.2.1+incompatible // indirect
github.com/julienschmidt/httprouter v1.2.0 // indirect
- github.com/kr/pretty v0.1.0 // indirect
github.com/maruel/subcommands v0.0.0-20181220013616-967e945be48b // indirect
- github.com/maruel/ut v1.0.0 // indirect
github.com/mitchellh/go-homedir v1.1.0 // indirect
- github.com/pmezard/go-difflib v1.0.0 // indirect
github.com/smartystreets/assertions v0.0.0-20190116191733-b6c0e53d7304 // indirect
github.com/smartystreets/goconvey v0.0.0-20181108003508-044398e4856c // indirect
github.com/texttheater/golang-levenshtein v0.0.0-20180516184445-d188e65d659e // indirect
diff --git a/go.sum b/go.sum
index 0def716..c676c8d 100644
--- a/go.sum
+++ b/go.sum
@@ -6,7 +6,6 @@
github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
-github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b h1:VKtxabqXZkF25pY9ekfRL6a582T4P37/31XEstQ5p58=
github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
github.com/golang/lint v0.0.0-20180702182130-06c8688daad7/go.mod h1:tluoj9z5200jBnyusfRPU2LqT6J+DAorxEvtC7LHB+E=
github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
@@ -14,9 +13,7 @@
github.com/golang/mock v1.2.0/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
github.com/golang/protobuf v1.2.0 h1:P3YflyNX/ehuJFLhxviNdFxQPkGK5cDcApsge1SqnvM=
github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-github.com/google/go-cmp v0.2.0 h1:+dTQ8DZQJz0Mb/HjFlkptS1FeQ4cWSnN941F8aEG4SQ=
github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
-github.com/google/martian v2.1.0+incompatible h1:/CP5g8u/VJHijgedC/Legn3BAbAaWPgecwXBIDzw5no=
github.com/google/martian v2.1.0+incompatible/go.mod h1:9I4somxYTbIHy5NJKHRl3wXiIaQGbYVAs8BPL6v8lEs=
github.com/google/subcommands v0.0.0-20181012225330-46f0354f6315 h1:WW91Hq2v0qDzoPME+TPD4En72+d2Ue3ZMKPYfwR9yBU=
github.com/google/subcommands v0.0.0-20181012225330-46f0354f6315/go.mod h1:ZjhPrFU+Olkh9WazFPsl27BQ4UPiG37m3yTrtFlrHVk=
@@ -24,31 +21,20 @@
github.com/google/uuid v1.1.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
github.com/googleapis/gax-go v2.0.2+incompatible h1:silFMLAnr330+NRuag/VjIGF7TLp/LBrV2CJKFLWEww=
github.com/googleapis/gax-go v2.0.2+incompatible/go.mod h1:SFVmujtThgffbyetf+mdk2eWhX2bMyUtNHzFKcPA9HY=
-github.com/gopherjs/gopherjs v0.0.0-20181103185306-d547d1d9531e h1:JKmoR8x90Iww1ks85zJ1lfDGgIiMDuIptTOhJq+zKyg=
github.com/gopherjs/gopherjs v0.0.0-20181103185306-d547d1d9531e/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
github.com/grpc-ecosystem/grpc-gateway v1.5.0/go.mod h1:RSKVYQBd5MCa4OVpNdGskqpgL2+G+NZTnrVHpWWfpdw=
github.com/grpc-ecosystem/grpc-gateway v1.6.2/go.mod h1:RSKVYQBd5MCa4OVpNdGskqpgL2+G+NZTnrVHpWWfpdw=
-github.com/jtolds/gls v4.2.1+incompatible h1:fSuqC+Gmlu6l/ZYAoZzx2pyucC8Xza35fpRVWLVmUEE=
github.com/jtolds/gls v4.2.1+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
github.com/julienschmidt/httprouter v1.2.0 h1:TDTW5Yz1mjftljbcKqRcrYhd4XeOoI98t+9HbQbYf7g=
github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
-github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
-github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
-github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
-github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
-github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
github.com/maruel/subcommands v0.0.0-20181220013616-967e945be48b h1:TMHxe8LaGdbpx9XSr14PPDWI4hmoeqOWgYct5HYotv0=
github.com/maruel/subcommands v0.0.0-20181220013616-967e945be48b/go.mod h1:4cd1CVd4c9phb1z9fTkV+JbmnFm394Hp9rHEAOvD+vs=
-github.com/maruel/ut v1.0.0 h1:Tg5f5waOijrohsOwnMlr1bZmv+wHEbuMEacNBE8kQ7k=
-github.com/maruel/ut v1.0.0/go.mod h1:I68ffiAt5qre9obEVTy7S2/fj2dJku2NYLvzPuY0gqE=
github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
github.com/mitchellh/go-homedir v1.1.0 h1:lukF9ziXFxDFPkA1vsr5zpc1XuPDn/wFntq5mG+4E0Y=
github.com/mitchellh/go-homedir v1.1.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
github.com/openzipkin/zipkin-go v0.1.1/go.mod h1:NtoC/o8u3JlF1lSlyPNswIbeQH9bJTmOf0Erfk+hxe8=
github.com/openzipkin/zipkin-go v0.1.3/go.mod h1:NtoC/o8u3JlF1lSlyPNswIbeQH9bJTmOf0Erfk+hxe8=
-github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
-github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/prometheus/client_golang v0.8.0/go.mod h1:7SWBe2y4D6OKWSNQJUaRYU/AaXPKyh/dDVn+NZz0KFw=
github.com/prometheus/client_golang v0.9.2/go.mod h1:OsXs2jCmiKlQ1lTBmv21f2mNfw4xf/QclQDMrYNZzcM=
github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=
@@ -57,9 +43,7 @@
github.com/prometheus/common v0.0.0-20181218105931-67670fe90761/go.mod h1:daVV7qP5qjZbuso7PdcryaAu0sAZbrN9i7WWcTMWvro=
github.com/prometheus/procfs v0.0.0-20180725123919-05ee40e3a273/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
github.com/prometheus/procfs v0.0.0-20181204211112-1dc9a6cbc91a/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
-github.com/smartystreets/assertions v0.0.0-20190116191733-b6c0e53d7304 h1:Jpy1PXuP99tXNrhbq2BaPz9B+jNAvH1JPQQpG/9GCXY=
github.com/smartystreets/assertions v0.0.0-20190116191733-b6c0e53d7304/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
-github.com/smartystreets/goconvey v0.0.0-20181108003508-044398e4856c h1:Ho+uVpkel/udgjbwB5Lktg9BtvJSh2DT0Hi6LPSyI2w=
github.com/smartystreets/goconvey v0.0.0-20181108003508-044398e4856c/go.mod h1:XDJAKZRPZ1CvBcN2aX5YOUTYGHki24fSF0Iv48Ibg0s=
github.com/texttheater/golang-levenshtein v0.0.0-20180516184445-d188e65d659e h1:T5PdfK/M1xyrHwynxMIVMWLS7f/qHwfslZphxtGnw7s=
github.com/texttheater/golang-levenshtein v0.0.0-20180516184445-d188e65d659e/go.mod h1:XDKHRm5ThF8YJjx001LtgelzsoaEcvnA7lVWz9EeX3g=
@@ -85,7 +69,6 @@
golang.org/x/oauth2 v0.0.0-20181203162652-d668ce993890 h1:uESlIz09WIHT2I+pasSXcpLYqYK8wHcdCetU3VuMBJE=
golang.org/x/oauth2 v0.0.0-20181203162652-d668ce993890/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20181108010431-42b317875d0f h1:Bl/8QSvNqXvPGPGXa2z5xUTmV7VDcZyvRZ+QQXkXTZQ=
golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@@ -101,7 +84,6 @@
google.golang.org/api v0.1.0/go.mod h1:UGEZY7KEX120AnNLIHFMKIo4obdJhkp2tPbaPlQx13Y=
google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
google.golang.org/appengine v1.3.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
-google.golang.org/appengine v1.4.0 h1:/wp5JvzpHIxhs/dumFmF7BXTf3Z+dd4uXta4kVyO508=
google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
google.golang.org/genproto v0.0.0-20180831171423-11092d34479b/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
@@ -115,7 +97,6 @@
google.golang.org/grpc v1.18.0 h1:IZl7mfBGfbhYx2p2rKRtYgDFw6SBz+kclmxYrCksPPA=
google.golang.org/grpc v1.18.0/go.mod h1:6QZJwpn2B+Zp71q/5VxRsJ6NXXVCE5NRUHRo+f3cWCs=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
