istio.io/istio@v0.0.0-20240520182934-d79c90f27776/pkg/webhooks/validation/server/monitoring.go (about)

     1  // Copyright Istio 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 server
    16  
    17  import (
    18  	"strconv"
    19  
    20  	"istio.io/istio/pkg/kube"
    21  	"istio.io/istio/pkg/monitoring"
    22  )
    23  
    24  const (
    25  	group       = "group"
    26  	version     = "version"
    27  	resourceTag = "resource"
    28  	reason      = "reason"
    29  	status      = "status"
    30  )
    31  
    32  var (
    33  	// GroupTag holds the resource group for the context.
    34  	GroupTag = monitoring.CreateLabel(group)
    35  
    36  	// VersionTag holds the resource version for the context.
    37  	VersionTag = monitoring.CreateLabel(version)
    38  
    39  	// ResourceTag holds the resource name for the context.
    40  	ResourceTag = monitoring.CreateLabel(resourceTag)
    41  
    42  	// ReasonTag holds the error reason for the context.
    43  	ReasonTag = monitoring.CreateLabel(reason)
    44  
    45  	// StatusTag holds the error code for the context.
    46  	StatusTag = monitoring.CreateLabel(status)
    47  )
    48  
    49  var (
    50  	metricValidationPassed = monitoring.NewSum(
    51  		"galley_validation_passed",
    52  		"Resource is valid",
    53  	)
    54  	metricValidationFailed = monitoring.NewSum(
    55  		"galley_validation_failed",
    56  		"Resource validation failed",
    57  	)
    58  	metricValidationHTTPError = monitoring.NewSum(
    59  		"galley_validation_http_error",
    60  		"Resource validation http serve errors",
    61  	)
    62  )
    63  
    64  func reportValidationFailed(request *kube.AdmissionRequest, reason string, dryRun bool) {
    65  	if dryRun {
    66  		return
    67  	}
    68  	metricValidationFailed.
    69  		With(GroupTag.Value(request.Resource.Group)).
    70  		With(VersionTag.Value(request.Resource.Version)).
    71  		With(ResourceTag.Value(request.Resource.Resource)).
    72  		With(ReasonTag.Value(reason)).
    73  		Increment()
    74  }
    75  
    76  func reportValidationPass(request *kube.AdmissionRequest) {
    77  	metricValidationPassed.
    78  		With(GroupTag.Value(request.Resource.Group)).
    79  		With(VersionTag.Value(request.Resource.Version)).
    80  		With(ResourceTag.Value(request.Resource.Resource)).
    81  		Increment()
    82  }
    83  
    84  func reportValidationHTTPError(status int) {
    85  	metricValidationHTTPError.
    86  		With(StatusTag.Value(strconv.Itoa(status))).
    87  		Increment()
    88  }
    89  
    90  const (
    91  	reasonUnsupportedOperation = "unsupported_operation"
    92  	reasonYamlDecodeError      = "yaml_decode_error"
    93  	reasonUnknownType          = "unknown_type"
    94  	reasonCRDConversionError   = "crd_conversion_error"
    95  	reasonInvalidConfig        = "invalid_resource"
    96  )