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