go.chromium.org/luci@v0.0.0-20240309015107-7cdc2e660f33/milo/frontend/actions.go (about)

     1  // Copyright 2019 The LUCI Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package frontend
    16  
    17  import (
    18  	"fmt"
    19  	"net/http"
    20  	"strings"
    21  
    22  	"go.chromium.org/luci/common/errors"
    23  	"go.chromium.org/luci/grpc/grpcutil"
    24  	"go.chromium.org/luci/milo/frontend/ui"
    25  	"go.chromium.org/luci/milo/internal/buildsource/buildbucket"
    26  	"go.chromium.org/luci/milo/internal/utils"
    27  	"go.chromium.org/luci/server/router"
    28  )
    29  
    30  // cancelBuildHandler parses inputs from HTTP form, cancels the build with the given buildbucket build ID
    31  // then redirects the users back to the original page.
    32  func cancelBuildHandler(ctx *router.Context) error {
    33  	id, reason, err := parseCancelBuildInput(ctx)
    34  	if err != nil {
    35  		return errors.Annotate(err, "error while parsing cancel build request input fields").Tag(grpcutil.InvalidArgumentTag).Err()
    36  	}
    37  
    38  	if _, err := buildbucket.CancelBuild(ctx.Request.Context(), id, reason); err != nil {
    39  		return err
    40  	}
    41  
    42  	http.Redirect(ctx.Writer, ctx.Request, ctx.Request.Referer(), http.StatusSeeOther)
    43  	return nil
    44  }
    45  
    46  func parseCancelBuildInput(ctx *router.Context) (buildbucketID int64, reason string, err error) {
    47  	if err := ctx.Request.ParseForm(); err != nil {
    48  		return 0, "", errors.Annotate(err, "unable to parse cancel build form").Err()
    49  	}
    50  
    51  	buildbucketID, err = utils.ParseIntFromForm(ctx.Request.Form, "buildbucket-id", 10, 64)
    52  	if err != nil {
    53  		return 0, "", errors.Annotate(err, "invalid buildbucket-id").Err()
    54  	}
    55  
    56  	reason, err = utils.ReadExactOneFromForm(ctx.Request.Form, "reason")
    57  	if err != nil {
    58  		return 0, "", err
    59  	}
    60  	reason = strings.TrimSpace(reason)
    61  	if reason == "" {
    62  		return 0, "", fmt.Errorf("reason cannot be empty")
    63  	}
    64  
    65  	return buildbucketID, reason, nil
    66  }
    67  
    68  // retryBuildHandler parses inputs from HTTP form, retries the build with the given buildbucket build ID
    69  // then redirects the users to the retry build page.
    70  func retryBuildHandler(ctx *router.Context) error {
    71  	buildbucketID, requestID, err := parseRetryBuildInput(ctx)
    72  	if err != nil {
    73  		return errors.Annotate(err, "error while parsing retry build request input fields").Tag(grpcutil.InvalidArgumentTag).Err()
    74  	}
    75  
    76  	build, err := buildbucket.RetryBuild(ctx.Request.Context(), buildbucketID, requestID)
    77  	if err != nil {
    78  		return err
    79  	}
    80  	uiBuild := ui.Build{
    81  		Build: build,
    82  	}
    83  	http.Redirect(ctx.Writer, ctx.Request, uiBuild.Link().URL, http.StatusSeeOther)
    84  	return nil
    85  }
    86  
    87  func parseRetryBuildInput(ctx *router.Context) (buildbucketID int64, retryRequestID string, err error) {
    88  	if err := ctx.Request.ParseForm(); err != nil {
    89  		return 0, "", errors.Annotate(err, "unable to parse retry build form").Err()
    90  	}
    91  
    92  	buildbucketID, err = utils.ParseIntFromForm(ctx.Request.Form, "buildbucket-id", 10, 64)
    93  	if err != nil {
    94  		return 0, "", errors.Annotate(err, "invalid buildbucket-id").Err()
    95  	}
    96  
    97  	retryRequestID, err = utils.ReadExactOneFromForm(ctx.Request.Form, "retry-request-id")
    98  	if err != nil {
    99  		return 0, "", err
   100  	}
   101  	retryRequestID = strings.TrimSpace(retryRequestID)
   102  	if retryRequestID == "" {
   103  		return 0, "", fmt.Errorf("retry request ID cannot be empty")
   104  	}
   105  
   106  	return buildbucketID, retryRequestID, nil
   107  }