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WalkthroughThe recent changes introduce comprehensive updates and new configurations to the repository, primarily focusing on setting up GitHub Actions workflows, pre-commit hooks, and a Terraform module for a Google Cloud Platform Kubernetes engine cluster. These enhancements streamline dependency management, automated code reviews, and documentation generation, while also adding robust Terraform configurations for deploying and managing Istio components in a Kubernetes environment. Changes
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Files selected for processing (39)
- .github/CODEOWNERS (1 hunks)
- .github/dependabot.yml (1 hunks)
- .github/workflows/add-to-projects.yml (1 hunks)
- .github/workflows/dependabot.yml (1 hunks)
- .github/workflows/test.yml (1 hunks)
- .gitignore (1 hunks)
- .pre-commit-config.yaml (1 hunks)
- .terraform-docs.yml (1 hunks)
- README.md (1 hunks)
- locals.tf (1 hunks)
- main.tf (1 hunks)
- outputs.tf (1 hunks)
- regional/README.md (1 hunks)
- regional/helm/base.yml (1 hunks)
- regional/helm/gateway.yml (1 hunks)
- regional/helm/istiod.yml (1 hunks)
- regional/locals.tf (1 hunks)
- regional/main.tf (1 hunks)
- regional/manifests/README.md (1 hunks)
- regional/manifests/main.tf (1 hunks)
- regional/manifests/variables.tf (1 hunks)
- regional/outputs.tf (1 hunks)
- regional/variables.tf (1 hunks)
- tests/default.tftest.hcl (1 hunks)
- tests/fixtures/primary/main.tf (1 hunks)
- tests/fixtures/primary/outputs.tf (1 hunks)
- tests/fixtures/primary/regional/locals.tf (1 hunks)
- tests/fixtures/primary/regional/main.tf (1 hunks)
- tests/fixtures/primary/regional/outputs.tf (1 hunks)
- tests/fixtures/primary/regional/variables.tf (1 hunks)
- tests/fixtures/primary/variables.tf (1 hunks)
- tests/fixtures/remote/main.tf (1 hunks)
- tests/fixtures/remote/outputs.tf (1 hunks)
- tests/fixtures/remote/regional/locals.tf (1 hunks)
- tests/fixtures/remote/regional/main.tf (1 hunks)
- tests/fixtures/remote/regional/outputs.tf (1 hunks)
- tests/fixtures/remote/regional/variables.tf (1 hunks)
- tests/fixtures/remote/variables.tf (1 hunks)
- variables.tf (1 hunks)
Files skipped from review due to trivial changes (21)
- .github/CODEOWNERS
- .github/dependabot.yml
- .github/workflows/dependabot.yml
- .github/workflows/test.yml
- .gitignore
- .pre-commit-config.yaml
- .terraform-docs.yml
- locals.tf
- regional/helm/base.yml
- tests/default.tftest.hcl
- tests/fixtures/primary/outputs.tf
- tests/fixtures/primary/regional/locals.tf
- tests/fixtures/primary/regional/outputs.tf
- tests/fixtures/primary/regional/variables.tf
- tests/fixtures/primary/variables.tf
- tests/fixtures/remote/main.tf
- tests/fixtures/remote/outputs.tf
- tests/fixtures/remote/regional/locals.tf
- tests/fixtures/remote/regional/outputs.tf
- tests/fixtures/remote/regional/variables.tf
- tests/fixtures/remote/variables.tf
Additional context used
Learnings (2)
tests/fixtures/remote/regional/main.tf (1)
Learnt from: brettcurtis PR: osinfra-io/terraform-google-kubernetes-engine#41 File: test/fixtures/gke_fleet_host/regional_mci/main.tf:25-32 Timestamp: 2024-03-15T20:40:39.782Z Learning: Test fixtures for Kitchen-Terraform, such as those in the `terraform-google-kubernetes-engine` project, are designed with hardcoded values to ensure consistency and controlled conditions in testing environments. These fixtures are not intended to support flexibility across different environments, as clarified by user brettcurtis.regional/README.md (1)
Learnt from: brettcurtis PR: osinfra-io/terraform-google-kubernetes-engine#41 File: regional/onboarding/README.md:35-38 Timestamp: 2024-03-14T01:02:48.219Z Learning: Documentation in Terraform projects, such as `regional/onboarding/README.md`, is often automatically generated by tools like terraform-docs based on the variables, outputs, resources, modules, and providers. Future suggestions related to documentation should consider the source of the documentation, such as variable descriptions or other elements that are automatically generated.
LanguageTool
regional/manifests/README.md
[grammar] ~38-~38: The word “failover” is a noun. The verb is spelled with a white space.
Context: ..._failover_to_region) | The region to failover to |string|""| no | | <a name="...(NOUN_VERB_CONFUSION)
README.md
[uncategorized] ~30-~30: If this is a compound adjective that modifies the following noun, use a hyphen.
Context: ... engineering, Infrastructure as Code. >Open Source Infrastructure (as Code) is a developme...(EN_COMPOUND_ADJECTIVE_INTERNAL)
[uncategorized] ~30-~30: If this is a compound adjective that modifies the following noun, use a hyphen.
Context: ...zations can use internally at scale. - [Open Source Infrastructure (as Code)](https://www.o...(EN_COMPOUND_ADJECTIVE_INTERNAL)
[uncategorized] ~32-~32: If this is a compound adjective that modifies the following noun, use a hyphen.
Context: ... the possibility for contributions. The Open Source Infrastructure (as Code) model allows t...(EN_COMPOUND_ADJECTIVE_INTERNAL)
[style] ~32-~32: You have already used this phrasing in nearby sentences. Consider replacing it to add variety to your writing.
Context: ...oad. This section is for developers who want to contribute to this repository, describi...(REP_WANT_TO_VB)
[duplication] ~49-~49: Possible typo: you repeated a word
Context: ...te in this repository successfully. - istio - [istio on gke](https://istio.io/latest/docs/se...(ENGLISH_WORD_REPEAT_RULE)
[duplication] ~110-~110: Possible typo: you repeated a word
Context: ...📓 Terraform Regional Documentation - regional - [regional/manifests](regional/manifests/README.md...(ENGLISH_WORD_REPEAT_RULE)
Markdownlint
README.md
1-1: null
Images should have alternate text (alt text)(MD045, no-alt-text)
26-26: null
Images should have alternate text (alt text)(MD045, no-alt-text)
Additional comments not posted (98)
regional/outputs.tf (1)
4-7: LGTM!The output value
istio_gateway_ipis correctly defined and conditionally returns the IP address of the Istio Gateway..github/workflows/add-to-projects.yml (3)
1-10: LGTM!The workflow name and trigger events are appropriately defined.
11-13: LGTM!The workflow permissions are correctly defined and appropriate for the workflow's purpose.
14-21: LGTM!The workflow job is correctly defined and the reusable workflow is correctly referenced.
regional/locals.tf (4)
5-11: LGTM!The local value
istio_gateway_datadog_apm_envis correctly defined and the JSON string is properly formatted.
13-13: LGTM!The local value
istio_gateway_domainsis correctly defined.
14-14: LGTM!The local value
nameis correctly defined.
15-15: LGTM!The local value
multi_cluster_nameis correctly defined.outputs.tf (2)
4-7: LGTM!The output value
istio_gateway_mci_global_addressis correctly defined and conditionally returns the IP address for the Istio Gateway multi-cluster ingress.
9-12: LGTM!The output value
istio_gateway_mci_ssl_certificate_nameis correctly defined and conditionally returns the name of the SSL certificate for the Istio Gateway multi-cluster ingress.variables.tf (3)
4-8: Ensure the default value is appropriate.The
gke_fleet_host_project_idvariable has a default value of an empty string. Ensure that this default value is appropriate for your use case.
10-17: Check the structure and usage of theistio_gateway_dnsvariable.The
istio_gateway_dnsvariable is a map of objects withmanaged_zoneandprojectattributes. Ensure that this structure aligns with your requirements and that the default empty map is appropriate.
19-22: Description added for theprojectvariable.The addition of a description for the
projectvariable improves clarity. This change is approved.tests/fixtures/primary/main.tf (1)
20-30: Verify theistio_gateway_dnsvariable usage.Ensure that the
istio_gateway_dnsvariable is correctly populated with the necessary attributes (managed_zoneandproject). Verify that the values provided align with your testing requirements.regional/helm/istiod.yml (10)
1-3: Tracer setting for the global proxy.The
tracersetting for the global proxy is set tonone. Ensure that this setting aligns with your monitoring and tracing requirements.
5-6: Mesh ID and network settings.The
meshIDandnetworksettings are configured for the global section. Ensure these values are appropriate for your environment.
8-14: Access log file and DNS settings.The
meshConfigsection includes settings for the access log file and DNS capture. Verify that these settings align with your logging and DNS requirements.
15-19: Pilot autoscaling settings.The
pilotsection includes autoscaling settings. Ensure that theautoscaleMinandautoscaleMaxvalues are appropriate for your deployment.
20-22: CPU utilization target.The
cpusection specifies a target average utilization of 80%. Verify that this target aligns with your performance requirements.
23-26: Pod annotations for Datadog.The
podAnnotationssection includes annotations for Datadog discovery. Ensure these annotations are correct and align with your monitoring setup.
27-35: Datadog discovery instances and logs.The
ad.datadoghq.com/discovery.instancesandad.datadoghq.com/discovery.logssettings are configured for Datadog. Verify that these configurations are correct.
37-39: Pod labels for Datadog.The
podLabelssection includes labels for Datadog. Ensure these labels are appropriate for your monitoring setup.
41-42: Rolling update settings.The
rollingMaxSurgeandrollingMaxUnavailablesettings are configured for rolling updates. Verify that these values align with your deployment strategy.
44-50: Topology spread constraints.The
topologySpreadConstraintssection includes settings for spreading pods across zones. Ensure these settings align with your availability requirements.regional/helm/gateway.yml (7)
1-5: Autoscaling settings.The
autoscalingsection includes settings for enabling autoscaling and specifying the number of replicas. Ensure these settings align with your scaling requirements.
7-18: Pod annotations for Datadog.The
podAnnotationssection includes annotations for Datadog. Ensure these annotations are correct and align with your monitoring setup.
20-21: Pod disruption budget.The
podDisruptionBudgetsection specifies the maximum number of unavailable pods. Verify that this setting aligns with your availability requirements.
23-29: Resource requests and limits.The
resourcessection specifies the resource requests and limits for CPU and memory. Ensure these values are appropriate for your workload.
31-37: Service annotations.The
servicesection includes annotations for the service type and Google Cloud settings. Verify that these annotations are correct and align with your service requirements.
39-42: Tolerations for dedicated nodes.The
tolerationssection includes tolerations for dedicated nodes. Ensure these settings align with your node allocation strategy.
44-50: Topology spread constraints.The
topologySpreadConstraintssection includes settings for spreading pods across zones. Ensure these settings align with your availability requirements.regional/manifests/variables.tf (7)
1-7: LGTM!The variable
common_gke_info_istio_virtual_servicesis well-defined with a clear description and appropriate type.
9-16: LGTM!The variable
common_istio_virtual_servicesis well-defined with a clear description and appropriate type.
18-22: LGTM!The variable
environmentis well-defined with a clear description and appropriate type.
24-30: LGTM!The variable
gke_info_istio_virtual_servicesis well-defined with a clear description and appropriate type.
32-36: LGTM!The variable
istio_failover_from_regionis well-defined with a clear description and appropriate type.
38-42: LGTM!The variable
istio_failover_to_regionis well-defined with a clear description and appropriate type.
44-51: LGTM!The variable
istio_virtual_servicesis well-defined with a clear description and appropriate type.main.tf (4)
1-9: LGTM!The resource
google_compute_global_address.istio_gateway_mciis well-defined with appropriate conditional creation logic.
11-26: LGTM!The resource
google_compute_managed_ssl_certificate.istio_gateway_mciis well-defined with appropriate conditional creation logic.
28-38: LGTM!The resource
google_compute_ssl_policy.defaultis well-defined with appropriate conditional creation logic.
40-52: LGTM!The resource
google_dns_record_set.istio_gateway_mciis well-defined with appropriate conditional creation logic.tests/fixtures/remote/regional/main.tf (6)
1-16: LGTM!The required providers block is well-defined with appropriate provider sources.
18-31: LGTM!The Helm provider block is well-defined with appropriate configuration.
33-43: LGTM!The Kubernetes provider block is well-defined with appropriate configuration.
45-49: LGTM!The Google client config data source block is well-defined with appropriate configuration.
51-64: LGTM!The remote state data source block is well-defined with appropriate configuration.
66-79: LGTM!The test module block is well-defined with appropriate configuration and consistent hardcoded values.
tests/fixtures/primary/regional/main.tf (6)
1-16: LGTM!The required providers block is well-defined with appropriate provider sources.
18-31: LGTM!The Helm provider block is well-defined with appropriate configuration.
33-43: LGTM!The Kubernetes provider block is well-defined with appropriate configuration.
45-49: LGTM!The Google client config data source block is well-defined with appropriate configuration.
51-64: LGTM!The remote state data source block is well-defined with appropriate configuration.
66-90: LGTM!The test module block is well-defined with appropriate configuration and consistent hardcoded values.
regional/manifests/README.md (3)
4-6: No issues found in the Requirements section.This section correctly indicates that there are no requirements.
8-13: No issues found in the Providers section.The section correctly lists the Kubernetes provider with version 2.31.0.
18-27: No issues found in the Resources section.The section correctly lists the Kubernetes manifest resources.
regional/variables.tf (20)
1-5: No issues found in theartifact_registryvariable.The variable correctly defines the registry to pull images from.
7-10: No issues found in thecluster_prefixvariable.The variable correctly defines a prefix for the cluster name.
12-16: No issues found in theenable_istio_gatewayvariable.The variable correctly defines a boolean to enable the Istio gateway.
18-22: No issues found in theenvironmentvariable.The variable correctly defines an environment suffix.
24-28: No issues found in thegateway_autoscale_minvariable.The variable correctly defines the minimum number of gateway replicas.
30-34: No issues found in theistio_chart_repositoryvariable.The variable correctly defines the repository to pull the Istio Helm chart from.
36-40: No issues found in theistio_config_clustervariable.The variable correctly defines a boolean to configure a remote cluster as the config cluster for an external istiod.
42-46: No issues found in theistio_external_istiodvariable.The variable correctly defines a boolean to configure a remote cluster data plane controlled by an external istiod.
48-52: No issues found in theistio_gateway_cpu_requestvariable.The variable correctly defines the CPU request for the Istio gateway.
54-58: No issues found in theistio_gateway_cpu_limitvariable.The variable correctly defines the CPU limit for the Istio gateway.
60-67: No issues found in theistio_gateway_dnsvariable.The variable correctly defines a map of attributes for the Istio gateway domain names.
69-73: No issues found in theistio_gateway_memory_requestvariable.The variable correctly defines the memory request for the Istio gateway.
75-79: No issues found in theistio_gateway_memory_limitvariable.The variable correctly defines the memory limit for the Istio gateway.
81-85: No issues found in theistio_pilot_autoscale_minvariable.The variable correctly defines the minimum number of Istio pilot replicas.
87-91: No issues found in theistio_pilot_cpu_requestvariable.The variable correctly defines the CPU request for the Istio pilot.
93-97: No issues found in theistio_pilot_cpu_limitvariable.The variable correctly defines the CPU limit for the Istio pilot.
99-103: No issues found in theistio_pilot_memory_requestvariable.The variable correctly defines the memory request for the Istio pilot.
105-109: No issues found in theistio_pilot_memory_limitvariable.The variable correctly defines the memory limit for the Istio pilot.
111-115: No issues found in theistio_pilot_replica_countvariable.The variable correctly defines the number of Istio pilot replicas.
117-173: No issues found in the remaining variables.The remaining variables correctly define resource requests and limits for the Istio proxy and other configurations.
regional/manifests/main.tf (6)
4-57: No issues found in theistio_cluster_services_destination_ruleresource.The resource correctly defines a DestinationRule for cluster services.
59-79: No issues found in theistio_kubernetes_default_destination_ruleresource.The resource correctly defines a DestinationRule for the Kubernetes default service.
81-124: No issues found in theistio_gatewayresource.The resource correctly defines a Gateway for Istio ingress.
126-142: No issues found in theistio_peer_authenticationresource.The resource correctly defines a PeerAuthentication policy for Istio.
144-180: No issues found in theistio_virtual_servicesresource.The resource correctly defines VirtualServices for Istio.
182-222: No issues found in thegke_info_istio_virtual_servicesresource.The resource correctly defines VirtualServices for GKE Info.
regional/README.md (5)
8-8: Verify the accuracy of the "Requirements" section.The "Requirements" section states that there are no requirements. Ensure this is accurate and that no required providers or modules are missing from this section.
12-16: Verify the listed providers and their versions.Ensure that the listed providers (
helm,kubernetes) and their versions are correct and up-to-date.
24-35: Ensure all new resources are documented.Verify that all new resources added in the module are correctly documented in this section. The listed resources include
google_compute_global_address,google_dns_record_set,helm_release, andkubernetes_manifest.
41-69: Ensure all new input variables are documented.Verify that all new input variables added in the module are correctly documented in this section. The listed inputs include variables for Istio configurations, project settings, and resource limits.
75-75: Ensure all new output values are documented.Verify that all new output values added in the module are correctly documented in this section. The listed output includes the
istio_gateway_ip.regional/main.tf (10)
4-10: LGTM! Verify the conditional logic.The resource
google_compute_global_addressis conditionally created based onvar.enable_istio_gateway. The configuration looks correct.Ensure that the
var.enable_istio_gatewayvariable is correctly set in the module's variables.
15-24: LGTM! Verify the use offor_each.The resource
google_dns_record_setis created for each entry invar.istio_gateway_dns. The configuration looks correct.Ensure that the
var.istio_gateway_dnsvariable is correctly set in the module's variables.
29-40: LGTM! Verify the Helm chart configuration.The resource
helm_releaseforbaseis configured to install the base Helm chart. The configuration looks correct.Ensure that the Helm chart and values file are correctly set in the module's configuration.
42-147: LGTM! Verify the Helm chart configuration and settings.The resource
helm_releaseforistiodis configured to install the Istiod Helm chart with various settings. The configuration looks correct.Ensure that the Helm chart, values file, and all settings are correctly set in the module's configuration.
149-216: LGTM! Verify the conditional logic and Helm chart configuration.The resource
helm_releaseforgatewayis conditionally created based onvar.enable_istio_gateway. The configuration looks correct.Ensure that the Helm chart, values file, and all settings are correctly set in the module's configuration. Also, verify that the
var.enable_istio_gatewayvariable is correctly set in the module's variables.
221-258: LGTM! Verify the conditional logic and Kubernetes Ingress configuration.The resource
kubernetes_ingress_v1is conditionally created based onvar.enable_istio_gateway. The configuration looks correct.Ensure that the metadata, annotations, and spec are correctly set in the module's configuration. Also, verify that the
var.enable_istio_gatewayvariable is correctly set in the module's variables.
264-286: LGTM! Verify the conditional logic and Kubernetes manifest configuration.The resource
kubernetes_manifestforistio_gateway_backendconfigis conditionally created based onvar.enable_istio_gateway. The configuration looks correct.Ensure that the manifest content is correctly set in the module's configuration. Also, verify that the
var.enable_istio_gatewayvariable is correctly set in the module's variables.
288-305: LGTM! Verify the conditional logic and Kubernetes manifest configuration.The resource
kubernetes_manifestforistio_gateway_frontendconfigis conditionally created based onvar.enable_istio_gateway. The configuration looks correct.Ensure that the manifest content is correctly set in the module's configuration. Also, verify that the
var.enable_istio_gatewayvariable is correctly set in the module's variables.
307-321: LGTM! Verify the conditional logic and Kubernetes manifest configuration.The resource
kubernetes_manifestforistio_gateway_managed_certificateis conditionally created based onvar.enable_istio_gateway. The configuration looks correct.Ensure that the manifest content is correctly set in the module's configuration. Also, verify that the
var.enable_istio_gatewayvariable is correctly set in the module's variables.
323-339: LGTM! Verify the conditional logic and Kubernetes manifest configuration.The resource
kubernetes_manifestforistio_service_exportsis conditionally created based onvar.istio_external_istiod. The configuration looks correct.Ensure that the manifest content is correctly set in the module's configuration. Also, verify that the
var.istio_external_istiodvariable is correctly set in the module's variables.
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Files selected for processing (2)
- regional/manifests/README.md (1 hunks)
- regional/manifests/variables.tf (1 hunks)
Files skipped from review as they are similar to previous changes (2)
- regional/manifests/README.md
- regional/manifests/variables.tf
Summary by CodeRabbit
New Features
Documentation
Infrastructure as Code Enhancements