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api: lua support in EnvoyExtensionPolicy and HTTPRouteFilter
Signed-off-by: Rudrakh Panigrahi <rudrakh97@gmail.com>
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| // Copyright Envoy Gateway Authors | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
| // The full text of the Apache license is available in the LICENSE file at | ||
| // the root of the repo. | ||
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| package v1alpha1 | ||
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| // LuaFilter defines a Lua extension that applies globally | ||
| // to all requests passing through the filter chain. | ||
| type LuaFilter struct { | ||
| // SourceCodes is a map of named LuaSource codes that can be referenced in LuaPerRouteFilter | ||
| SourceCodes map[string]*LuaSource `json:"sourceCodes"` | ||
| // DefaultSourceCode is the default LuaSource that will be executed | ||
| // unless overridden by LuaPerRouteFilter configured for the selected route | ||
| DefaultSourceCode *LuaSource `json:"defaultSourceCode"` | ||
| // StatPrefix is the additional prefix to use when emitting statistics. | ||
| // By default, metrics are emitted in .lua. namespace. | ||
| // If multiple lua filters are configured in a filter chain, the stats from each filter instance can be emitted | ||
| // using custom stat prefix to distinguish emitted statistics. | ||
| // +optional | ||
| StatPrefix *string `json:"statPrefix,omitempty"` | ||
| } | ||
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| // LuaPerRouteFilter defines a Lua extension that applies to specific routes based on route match. | ||
| // Only one of Disabled, Name or OverrideSource must be set. | ||
| // +kubebuilder:validation:XValidation:rule="has(self.disabled) ? (!has(self.name) && !has(self.overrideSource)) : (has(self.name) ? !has(self.overrideSource) : has(self.overrideSource))",message="Exactly one of disabled, name, or overrideSource must be set." | ||
| type LuaPerRouteFilter struct { | ||
| // Disabled is the status of the Lua filter for this particular vhost or route. | ||
| // If disabled is specified in multiple per-filter-configs, the most specific one will be used. | ||
| // | ||
| // +optional | ||
| Disabled *bool `json:"disabled,omitempty"` | ||
| // Name of a LuaSource code stored in LuaFilter.SourceCodes | ||
| // | ||
| // +optional | ||
| Name *string `json:"name,omitempty"` | ||
| // OverrideSource is a LuaSource defined for this specific route | ||
| // | ||
| // +optional | ||
| OverrideSource *LuaSource `json:"overrideSource,omitempty"` | ||
| } | ||
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| // LuaSource contains source code information for a user defined Lua script | ||
| // Only one of FileName, InlineBytes, InlineString or EnvironmentVariable must be set | ||
| // +kubebuilder:validation:XValidation:rule="has(self.fileName) ? (!has(self.inlineBytes) && !has(self.inlineString) && !has(self.environmentVariable)) : (has(self.inlineBytes) ? (!has(self.inlineString) && !has(self.environmentVariable)) : has(self.inlineString) ? !has(self.environmentVariable) : has(self.environmentVariable))",message="Exactly one of fileName, inlineBytes, inlineString, or environmentVariable must be set." | ||
| type LuaSource struct { | ||
| // FileName represents a local filesystem data source. | ||
| // | ||
| // +optional | ||
| FileName *string `json:"fileName,omitempty"` | ||
| // InlineBytes represents bytes inlined in the configuration. | ||
| // | ||
| // +optional | ||
| InlineBytes []byte `json:"inlineBytes,omitempty"` | ||
| // InlineString represents a string inlined in the configuration. | ||
| // | ||
| // +optional | ||
| InlineString *string `json:"inlineString,omitempty"` | ||
| // EnvironmentVariable represents an environment variable data source. | ||
| // | ||
| // +optional | ||
| EnvironmentVariable *string `json:"environmentVariable,omitempty"` | ||
| } |
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