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| // Copyright Project Contour Authors | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
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| // +k8s:deepcopy-gen=package | ||
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| // Package v1 is the v1 version of the API. | ||
| // +groupName=projectcontour.io | ||
| package v1 | ||
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| import ( | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| ) | ||
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| // ConditionStatus is a type alias for the k8s.io/apimachinery/pkg/apis/meta/v1 | ||
| // ConditionStatus type to maintain API compatibility. | ||
| // +k8s:deepcopy-gen=false | ||
| type ConditionStatus = metav1.ConditionStatus | ||
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| // These are valid condition statuses. "ConditionTrue" means a resource is in the condition. | ||
| // "ConditionFalse" means a resource is not in the condition. "ConditionUnknown" means kubernetes | ||
| // can't decide if a resource is in the condition or not. In the future, we could add other | ||
| // intermediate conditions, e.g. ConditionDegraded. These are retained here for API compatibility. | ||
| const ( | ||
| ConditionTrue ConditionStatus = metav1.ConditionTrue | ||
| ConditionFalse ConditionStatus = metav1.ConditionFalse | ||
| ConditionUnknown ConditionStatus = metav1.ConditionUnknown | ||
| ) | ||
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| // Condition is a type alias for the k8s.io/apimachinery/pkg/apis/meta/v1 | ||
| // Condition type to maintain API compatibility. | ||
| // +k8s:deepcopy-gen=false | ||
| type Condition = metav1.Condition | ||
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| // SubCondition is a Condition-like type intended for use as a subcondition inside a DetailedCondition. | ||
| // | ||
| // It contains a subset of the Condition fields. | ||
| // | ||
| // It is intended for warnings and errors, so `type` names should use abnormal-true polarity, | ||
| // that is, they should be of the form "ErrorPresent: true". | ||
| // | ||
| // The expected lifecycle for these errors is that they should only be present when the error or warning is, | ||
| // and should be removed when they are not relevant. | ||
| type SubCondition struct { | ||
| // Type of condition in `CamelCase` or in `foo.example.com/CamelCase`. | ||
| // | ||
| // This must be in abnormal-true polarity, that is, `ErrorFound` or `controller.io/ErrorFound`. | ||
| // | ||
| // The regex it matches is (dns1123SubdomainFmt/)?(qualifiedNameFmt) | ||
| // +required | ||
| // +kubebuilder:validation:Required | ||
| // +kubebuilder:validation:Pattern=`^([a-z0-9]([-a-z0-9]*[a-z0-9])?(\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*/)?(([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9])$` | ||
| // +kubebuilder:validation:MaxLength=316 | ||
| Type string `json:"type" protobuf:"bytes,1,opt,name=type"` | ||
| // Status of the condition, one of True, False, Unknown. | ||
| // +required | ||
| // +kubebuilder:validation:Required | ||
| // +kubebuilder:validation:Enum=True;False;Unknown | ||
| Status ConditionStatus `json:"status" protobuf:"bytes,2,opt,name=status"` | ||
| // Reason contains a programmatic identifier indicating the reason for the condition's last transition. | ||
| // Producers of specific condition types may define expected values and meanings for this field, | ||
| // and whether the values are considered a guaranteed API. | ||
| // | ||
| // The value should be a CamelCase string. | ||
| // | ||
| // This field may not be empty. | ||
| // +required | ||
| // +kubebuilder:validation:Required | ||
| // +kubebuilder:validation:MaxLength=1024 | ||
| // +kubebuilder:validation:MinLength=1 | ||
| // +kubebuilder:validation:Pattern=`^[A-Za-z]([A-Za-z0-9_,:]*[A-Za-z0-9_])?$` | ||
| Reason string `json:"reason" protobuf:"bytes,3,opt,name=reason"` | ||
| // Message is a human readable message indicating details about the transition. | ||
| // | ||
| // This may be an empty string. | ||
| // | ||
| // +required | ||
| // +kubebuilder:validation:Required | ||
| // +kubebuilder:validation:MaxLength=32768 | ||
| Message string `json:"message" protobuf:"bytes,4,opt,name=message"` | ||
| } | ||
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| // DetailedCondition is an extension of the normal Kubernetes conditions, with two extra | ||
| // fields to hold sub-conditions, which provide more detailed reasons for the state (True or False) | ||
| // of the condition. | ||
| // | ||
| // `errors` holds information about sub-conditions which are fatal to that condition and render its state False. | ||
| // | ||
| // `warnings` holds information about sub-conditions which are not fatal to that condition and do not force the state to be False. | ||
| // | ||
| // Remember that Conditions have a type, a status, and a reason. | ||
| // | ||
| // The type is the type of the condition, the most important one in this CRD set is `Valid`. | ||
| // `Valid` is a positive-polarity condition: when it is `status: true` there are no problems. | ||
| // | ||
| // In more detail, `status: true` means that the object is has been ingested into Contour with no errors. | ||
| // `warnings` may still be present, and will be indicated in the Reason field. There must be zero entries in the `errors` | ||
| // slice in this case. | ||
| // | ||
| // `Valid`, `status: false` means that the object has had one or more fatal errors during processing into Contour. | ||
| // The details of the errors will be present under the `errors` field. There must be at least one error in the `errors` | ||
| // slice if `status` is `false`. | ||
| // | ||
| // For DetailedConditions of types other than `Valid`, the Condition must be in the negative polarity. | ||
| // When they have `status` `true`, there is an error. There must be at least one entry in the `errors` Subcondition slice. | ||
| // When they have `status` `false`, there are no serious errors, and there must be zero entries in the `errors` slice. | ||
| // In either case, there may be entries in the `warnings` slice. | ||
| // | ||
| // Regardless of the polarity, the `reason` and `message` fields must be updated with either the detail of the reason | ||
| // (if there is one and only one entry in total across both the `errors` and `warnings` slices), or | ||
| // `MultipleReasons` if there is more than one entry. | ||
| type DetailedCondition struct { | ||
| Condition `json:",inline"` | ||
| // Errors contains a slice of relevant error subconditions for this object. | ||
| // | ||
| // Subconditions are expected to appear when relevant (when there is a error), and disappear when not relevant. | ||
| // An empty slice here indicates no errors. | ||
| // +optional | ||
| Errors []SubCondition `json:"errors,omitempty"` | ||
| // Warnings contains a slice of relevant warning subconditions for this object. | ||
| // | ||
| // Subconditions are expected to appear when relevant (when there is a warning), and disappear when not relevant. | ||
| // An empty slice here indicates no warnings. | ||
| // +optional | ||
| Warnings []SubCondition `json:"warnings,omitempty"` | ||
| } | ||
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| const ( | ||
| // ValidConditionType describes an valid condition. | ||
| ValidConditionType = "Valid" | ||
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| // ConditionTypeAuthError describes an error condition related to Auth. | ||
| ConditionTypeAuthError = "AuthError" | ||
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| // ConditionTypeCORSError describes an error condition related to CORS. | ||
| ConditionTypeCORSError = "CORSError" | ||
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| // ConditionTypeIncludeError describes an error condition with | ||
| // inclusion of another HTTPProxy resource. | ||
| ConditionTypeIncludeError = "IncludeError" | ||
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| // ConditionTypeOrphanedError describes an error condition | ||
| // with an HTTPProxy resource which is not part of a delegation chain. | ||
| ConditionTypeOrphanedError = "Orphaned" | ||
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| // ConditionTypePrefixReplaceError describes an error condition with | ||
| // an HTTPProxy path prefix replacement issue. | ||
| ConditionTypePrefixReplaceError = "PrefixReplaceError" | ||
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| // ConditionTypeRootNamespaceError describes an error condition | ||
| // with an HTTPProxy resource created in non-root namespace. | ||
| ConditionTypeRootNamespaceError = "RootNamespaceError" | ||
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| // ConditionTypeRouteError describes an error condition that | ||
| // relates to Routes within an HTTPProxy. | ||
| ConditionTypeRouteError = "RouteError" | ||
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| // ConditionTypeServiceError describes an error condition that | ||
| // relates to a Service error within an HTTPProxy. | ||
| ConditionTypeServiceError = "ServiceError" | ||
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| // ConditionTypeSpecError describes an error condition that | ||
| // relates to the Spec of an HTTPProxy resource. | ||
| ConditionTypeSpecError = "SpecError" | ||
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| // ConditionTypeTCPProxyIncludeError describes an error condition | ||
| // with inclusion of another HTTPProxy TCP Proxy resource. | ||
| ConditionTypeTCPProxyIncludeError = "TCPProxyIncludeError" | ||
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| // ConditionTypeTCPProxyError describes an error condition relating | ||
| // to a TCP Proxy HTTPProxy resource. | ||
| ConditionTypeTCPProxyError = "TCPProxyError" | ||
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| // ConditionTypeTLSError describes an error condition relating | ||
| // to TLS configuration. | ||
| ConditionTypeTLSError = "TLSError" | ||
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| // ConditionTypeVirtualHostError describes an error condition relating | ||
| // to the VirtualHost configuration section of an HTTPProxy resource. | ||
| ConditionTypeVirtualHostError = "VirtualHostError" | ||
| ) |
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