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kyverno/pkg/engine/variables/operator/operator.go
Vineeth Reddy eeb4e4ff0f
turn preconditions error to info log (#1926)
* turn preconditions error to info log

Signed-off-by: vineethvanga18 <reddy.8@iitj.ac.in>

* minor change

Signed-off-by: vineethvanga18 <reddy.8@iitj.ac.in>

* further changes

Signed-off-by: vineethvanga18 <reddy.8@iitj.ac.in>

* resolve conflicts

Signed-off-by: vineethvanga18 <reddy.8@iitj.ac.in>

* add precondition flag

Signed-off-by: vineethvanga18 <reddy.8@iitj.ac.in>

* NotFoundError -> Info

Signed-off-by: vineethvanga18 <reddy.8@iitj.ac.in>
2021-07-07 17:37:44 +05:30

59 lines
2.1 KiB
Go

package operator
import (
"strings"
"github.com/go-logr/logr"
kyverno "github.com/kyverno/kyverno/pkg/api/kyverno/v1"
"github.com/kyverno/kyverno/pkg/engine/context"
)
//OperatorHandler provides interface to manage types
type OperatorHandler interface {
Evaluate(key, value interface{}, isPreCondition bool) bool
validateValueWithStringPattern(key string, value interface{}) bool
validateValueWithBoolPattern(key bool, value interface{}) bool
validateValueWithIntPattern(key int64, value interface{}) bool
validateValueWithFloatPattern(key float64, value interface{}) bool
validateValueWithMapPattern(key map[string]interface{}, value interface{}) bool
validateValueWithSlicePattern(key []interface{}, value interface{}) bool
}
//VariableSubstitutionHandler defines the handler function for variable substitution
type VariableSubstitutionHandler = func(log logr.Logger, ctx context.EvalInterface, pattern interface{}) (interface{}, error)
//CreateOperatorHandler returns the operator handler based on the operator used in condition
func CreateOperatorHandler(log logr.Logger, ctx context.EvalInterface, op kyverno.ConditionOperator, subHandler VariableSubstitutionHandler) OperatorHandler {
str := strings.ToLower(string(op))
switch str {
case strings.ToLower(string(kyverno.Equal)):
return NewEqualHandler(log, ctx, subHandler)
case strings.ToLower(string(kyverno.Equals)):
return NewEqualHandler(log, ctx, subHandler)
case strings.ToLower(string(kyverno.NotEqual)):
return NewNotEqualHandler(log, ctx, subHandler)
case strings.ToLower(string(kyverno.NotEquals)):
return NewNotEqualHandler(log, ctx, subHandler)
case strings.ToLower(string(kyverno.In)):
return NewInHandler(log, ctx, subHandler)
case strings.ToLower(string(kyverno.NotIn)):
return NewNotInHandler(log, ctx, subHandler)
case strings.ToLower(string(kyverno.GreaterThanOrEquals)),
strings.ToLower(string(kyverno.GreaterThan)),
strings.ToLower(string(kyverno.LessThanOrEquals)),
strings.ToLower(string(kyverno.LessThan)):
return NewNumericOperatorHandler(log, ctx, subHandler, op)
default:
log.Info("operator not supported", "operator", str)
}
return nil
}