mirror of https://github.com/hashicorp/consul
added usage folder to organize use case docs for CAPIgw
trujillo-adam
parent
efe25cfe46
commit
68ee017adf
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@ -0,0 +1,60 @@
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---
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layout: docs
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page_title: Use Consul API Gateway
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description: >-
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Learn how to apply a configured Consul API Gateway to your Kubernetes cluster, review the required fields for rerouting HTTP requests, and troubleshoot an error message.
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---
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# Error Messages
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This topic provides information about potential error messages associated with Consul API Gateway. If you receive an error message that does not appear in this section, refer to the following resources:
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* [Common Consul errors](/docs/troubleshoot/common-errors#common-errors-on-kubernetes)
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* [Consul troubleshooting guide](/docs/troubleshoot/common-errors)
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* [Consul Discuss forum](https://discuss.hashicorp.com/)
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<!---
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***************************************************************************
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Use markdown's Reference-Style links when including hyperlinks. This makes it easier to read the content im markdown.
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Each common error should have its own section on this page. Each section
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should start with a heading line that is a short description of the error or
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the text of the error.
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Two examples:
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### Failed opening file during installation
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### Message: "Can't connect to repository" when running Helm chart
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******** Template for new Error Messages ********
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Copy and paste the following 13 lines when adding a new error message to this page.
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### Title for this error
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```
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Replace with text of example error message
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```
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**Conditions:**
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REPLACE THIS with description of when and why the error is typically seen
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**Impact:**
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REPLACE THIS with description of most likely impact of the event that caused this error to occur
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**Resolution:**
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REPLACE THIS with the actions the user should take to try to correct the situation
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***************************************************************************
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--->
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## Helm installation failed: "no matches for kind"
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```log
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Error: INSTALLATION FAILED: unable to build kubernetes objects from release manifest: [unable to recognize "": no matches for kind "GatewayClass" in version "gateway.networking.k8s.io/v1alpha2", unable to recognize "": no matches for kind "GatewayClassConfig" in version "api-gateway.consul.hashicorp.com/v1alpha1"]
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```
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**Conditions:**
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Consul API Gateway generates this error when the required CRD files have not been installed in Kubernetes prior to installing Consul API Gateway.
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**Impact:**
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The installation process typically fails after this error message is generated.
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**Resolution:**
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Install the required CRDs. Refer to the [Consul API Gateway installation instructions](/docs/api-gateway/install#installation) for instructions.
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@ -0,0 +1,58 @@
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---
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layout: docs
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page_title: Reroute HTTP Requests
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description: >-
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Learn how to configure Consul API Gateway to reroute HTTP requests to a specific path.
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---
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# Reroute HTTP Requests
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This topic describes how to configure Consul API Gateway to reroute HTTP requests.
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## Requirements
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1. Verify that the [requirements](/docs/api-gateway/tech-specs) have been met.
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1. Verify that the Consul API Gateway CRDs and controller have been installed and applied. Refer to [Installation](/docs/api-gateway/install) for details.
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## Configuration
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Configure the following fields in your `Route` configuration to use this feature. Refer to the [Route configuration reference](/docs/api-gateway/configuration/routes) for details about the parameters.
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* [`rules.filters.type`](/docs/api-gateway/configuration/routes#rules-filters-type): Set this parameter to `URLRewrite` to instruct Consul API Gateway to rewrite the URL when specific conditions are met.
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* [`rules.filters.urlRewrite`](/docs/api-gateway/configuration/routes#rules-filters-urlrewrite): Specify the `path` configuration.
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* [`rules.filters.urlRewrite.path`](/docs/api-gateway/configuration/routes#rules-filters-urlrewrite-path): Contains the paths that incoming requests should be rewritten to based on the match conditions.
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Note that if the route is configured to accept paths with and without a trailing slash, you must make two separate routes to handle each case.
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### Example
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In the following example, requests to` /incoming-request-prefix/` are forwarded to the `backendRef` as `/prefix-backend-receives/`. A request to `/incoming-request-prefix/request-path`, for instance, is received by the `backendRef` as `/prefix-backend-receives/request-path`.
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<CodeBlockConfig filename="route.yaml">
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```yaml hideClipboard
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apiVersion: gateway.networking.k8s.io/v1beta1
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kind: HTTPRoute
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metadata:
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name: example-route
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##...
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spec:
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parentRefs:
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- group: gateway.networking.k8s.io
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kind: Gateway
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name: api-gateway
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rules:
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- backendRefs:
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. . .
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filters:
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- type: URLRewrite
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urlRewrite:
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path:
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replacePrefixMatch: /prefix-backend-receives/
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type: ReplacePrefixMatch
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matches:
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- path:
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type: PathPrefix
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value: /incoming–request-prefix/
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```
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</CodeBlockConfig>
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@ -0,0 +1,18 @@
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---
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Page_title: Route Traffic to Peered Services
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Description: Learn how to configure Consul API Gateway to route traffic to services connected to the mesh through a peering connection.
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---
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# Route Traffic to Peered Services
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This topic describes how to configure Consul API Gateway to route traffic to services connected to the mesh through a peering connection
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## Requirements
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1. Verify that the [requirements](/docs/api-gateway/tech-specs) have been met.
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1. Verify that the Consul API Gateway CRDs and controller have been installed and applied. Refer to [Installation](/docs/api-gateway/install) for details.
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## Configuration
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## Example
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@ -5,17 +5,20 @@ description: >-
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Learn how to apply a configured Consul API Gateway to your Kubernetes cluster, review the required fields for rerouting HTTP requests, and troubleshoot an error message.
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---
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# Use Consul API Gateway
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# Basic Consul API Gateway Usage
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This topic describes how to use Consul API Gateway.
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## Basic usage
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## Requirements
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Complete the following steps to use Consul API Gateway in your network.
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1. Verify that the [requirements](/docs/api-gateway/tech-specs) have been met.
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1. Verify that the Consul API Gateway CRDs and controller have been installed and applied. Refer to [Installation](/docs/api-gateway/install) for details.
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1. Configure your [`Gateway`](/docs/api-gateway/configuration/gateway) and [`Routes`](/docs/api-gateway/configuration/routes) as describe in the [Configuration](/docs/api-gateway/configuration) section.
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## Configuration
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Configure your [`Gateway`](/docs/api-gateway/configuration/gateway) and [`Routes`](/docs/api-gateway/configuration/routes) as describe in the [Configuration](/docs/api-gateway/configuration) section.
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<CodeBlockConfig hideClipboard filename="values.yaml">
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@ -27,55 +30,14 @@ Complete the following steps to use Consul API Gateway in your network.
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</CodeBlockConfig>
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1. Issue the `kubectl apply` command to implement the configurations:
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## Apply configurations
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Issue the `kubectl apply` command to implement the configurations:
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```shell-session
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$ kubectl apply -f gateway.yaml routes.yaml
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```
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## Reroute HTTP requests
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Configure the following fields in your `Route` configuration to use this feature. Refer to the [Route configuration reference](/docs/api-gateway/configuration/routes) for details about the parameters.
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* [`rules.filters.type`](/docs/api-gateway/configuration/routes#rules-filters-type): Set this parameter to `URLRewrite` to instruct Consul API Gateway to rewrite the URL when specific conditions are met.
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* [`rules.filters.urlRewrite`](/docs/api-gateway/configuration/routes#rules-filters-urlrewrite): Specify the `path` configuration.
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* [`rules.filters.urlRewrite.path`](/docs/api-gateway/configuration/routes#rules-filters-urlrewrite-path): Contains the paths that incoming requests should be rewritten to based on the match conditions.
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Note that if the route is configured to accept paths with and without a trailing slash, you must make two separate routes to handle each case.
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### Example
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In the following example, requests to` /incoming-request-prefix/` are forwarded to the `backendRef` as `/prefix-backend-receives/`. A request to `/incoming-request-prefix/request-path`, for instance, is received by the `backendRef` as `/prefix-backend-receives/request-path`.
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<CodeBlockConfig filename="route.yaml">
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```yaml hideClipboard
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apiVersion: gateway.networking.k8s.io/v1beta1
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kind: HTTPRoute
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metadata:
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name: example-route
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##...
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spec:
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parentRefs:
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- group: gateway.networking.k8s.io
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kind: Gateway
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name: api-gateway
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rules:
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- backendRefs:
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. . .
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filters:
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- type: URLRewrite
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urlRewrite:
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path:
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replacePrefixMatch: /prefix-backend-receives/
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type: ReplacePrefixMatch
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matches:
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- path:
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type: PathPrefix
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value: /incoming–request-prefix/
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```
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</CodeBlockConfig>
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<!--- Commented out per https://github.com/hashicorp/consul/pull/11951/files#r791204596
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@ -126,57 +88,5 @@ consul-api-gateway 0.1.0
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```
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--->
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## Error Messages
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This topic provides information about potential error messages associated with Consul API Gateway. If you receive an error message that does not appear in this section, refer to the following resources:
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* [Common Consul errors](/docs/troubleshoot/common-errors#common-errors-on-kubernetes)
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* [Consul troubleshooting guide](/docs/troubleshoot/common-errors)
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* [Consul Discuss forum](https://discuss.hashicorp.com/)
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<!---
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||||
***************************************************************************
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||||
Use markdown's Reference-Style links when including hyperlinks. This makes it easier to read the content im markdown.
|
||||
|
||||
Each common error should have its own section on this page. Each section
|
||||
should start with a heading line that is a short description of the error or
|
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the text of the error.
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|
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Two examples:
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### Failed opening file during installation
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### Message: "Can't connect to repository" when running Helm chart
|
||||
|
||||
******** Template for new Error Messages ********
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||||
Copy and paste the following 13 lines when adding a new error message to this page.
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||||
|
||||
### Title for this error
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||||
|
||||
```
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||||
Replace with text of example error message
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||||
```
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**Conditions:**
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REPLACE THIS with description of when and why the error is typically seen
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**Impact:**
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REPLACE THIS with description of most likely impact of the event that caused this error to occur
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|
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**Recommended Action:**
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REPLACE THIS with the actions the user should take to try to correct the situation
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||||
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||||
***************************************************************************
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||||
--->
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||||
|
||||
### Helm installation failed: "no matches for kind"
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```log
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Error: INSTALLATION FAILED: unable to build kubernetes objects from release manifest: [unable to recognize "": no matches for kind "GatewayClass" in version "gateway.networking.k8s.io/v1alpha2", unable to recognize "": no matches for kind "GatewayClassConfig" in version "api-gateway.consul.hashicorp.com/v1alpha1"]
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```
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**Conditions:**
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Consul API Gateway generates this error when the required CRD files have not been installed in Kubernetes prior to installing Consul API Gateway.
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**Impact:**
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The installation process typically fails after this error message is generated.
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**Recommended Action:**
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Install the required CRDs by using the command in Step 1 of the [Consul API Gateway installation instructions](/docs/api-gateway/install#installation) and then retry installing Consul API Gateway.
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@ -1276,7 +1276,25 @@
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},
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{
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"title": "Usage",
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"path": "api-gateway/usage"
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"routes": [
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{
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"title": "Basic Usage",
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"path": "api-gateway/usage/usage"
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},
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{
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"title": "Reroute HTTP Requests",
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"path": "api-gateway/usage/reroute-http-requests"
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},
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{
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"title": "Route Traffic to Peered Services",
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"path": "api-gateway/usage/route-to-peered-services"
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},
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{
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"title": "Error Messages",
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"path": "api-gateway/usage/errors"
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}
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]
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},
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{
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"title": "Configuration",
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Loading…
Reference in New Issue