Refactor tests and add shared helpers #15
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WalkthroughThis pull request introduces several modifications across multiple Terraform configuration files. Key changes include the removal of Changes
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…ames and improve environment, region, and zone extraction
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Actionable comments posted: 0
🧹 Outside diff range and nitpick comments (4)
regional/locals.tf (2)
5-5: Consider improving readability with formatting.The change to use
module.helpersis good and aligns with the refactoring goal. However, the line could be more readable if formatted with line breaks.Consider this formatting:
- cluster_name = module.helpers.zone != null ? "${var.cluster_prefix}-${module.helpers.region}-${module.helpers.zone}-${module.helpers.env}" : "${var.cluster_prefix}-${module.helpers.region}-${module.helpers.env}" + cluster_name = module.helpers.zone != null ? ( + "${var.cluster_prefix}-${module.helpers.region}-${module.helpers.zone}-${module.helpers.env}" + ) : ( + "${var.cluster_prefix}-${module.helpers.region}-${module.helpers.env}" + )
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1-24: Good architectural direction with the helpers module.The refactoring to move common variables to a centralized helpers module is a good architectural decision that:
- Reduces duplication across Terraform configurations
- Makes environment and region management more maintainable
- Provides a single source of truth for common values
This pattern will make future changes more manageable and less error-prone.
regional/manifests/main.tf (1)
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97-167: Verify impact on existing Datadog resourcesThe environment tag changes could affect existing Datadog dashboards, monitors, and saved views that filter based on these tags. Please ensure that:
- Existing Datadog dashboards and monitors using environment filters are updated if necessary
- Any automation or scripts that rely on these tags are aware of the change
- The transition plan accounts for any temporary tag inconsistency during deployment
Consider documenting the environment tag change in release notes and notifying the monitoring team about this change.
regional/manifests/locals.tf (1)
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7-175: Consider enhancing monitor templates with additional contextThe monitoring templates are well-structured and comprehensive. Consider these enhancements:
- Add links to runbooks or troubleshooting guides in alert messages
- Include resource utilization context in CPU/Memory alerts
- Add rate-limiting to prevent alert storms
Example enhancement for the CPU usage alert message:
message = <<-EOF Pod CPU usage is over 90% on {{kube_namespace.name}}/{{pod_name.name}} on cluster: {{kube_cluster_name.name}}. High CPU usage in a Kubernetes pod can indicate that the application or service running inside the pod is consuming more processing power than expected. +Troubleshooting steps: +1. Check pod logs: kubectl logs -n {{kube_namespace.name}} {{pod_name.name}} +2. View resource metrics: kubectl top pod -n {{kube_namespace.name}} +3. Describe pod: kubectl describe pod -n {{kube_namespace.name}} {{pod_name.name}} + +Runbook: <link-to-runbook> @hangouts-platform-medium-low-info-priority EOF
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📒 Files selected for processing (11)
.github/release.yml(1 hunks).gitignore(0 hunks).pre-commit-config.yaml(2 hunks)regional/helpers.tf(1 hunks)regional/locals.tf(2 hunks)regional/manifests/helpers.tf(1 hunks)regional/manifests/locals.tf(3 hunks)regional/manifests/main.tf(2 hunks)regional/manifests/variables.tf(1 hunks)regional/variables.tf(1 hunks)shared/helpers.tf(1 hunks)
💤 Files with no reviewable changes (1)
- .gitignore
✅ Files skipped from review due to trivial changes (6)
- .github/release.yml
- regional/helpers.tf
- regional/manifests/helpers.tf
- regional/manifests/variables.tf
- regional/variables.tf
- shared/helpers.tf
🔇 Additional comments (9)
.pre-commit-config.yaml (3)
37-38: Justify skipping the CKV_TF_1 check
The addition of --skip-check "CKV_TF_1" requires explanation:
- CKV_TF_1 is typically used to ensure Terraform modules are pinned to specific versions
- Skipping this check could potentially lead to unexpected behavior if module versions change
Additionally, the --quiet flag might hide important warnings. Please provide justification for these changes.
#!/bin/bash
# Description: Check for current usage of CKV_TF_1 in the codebase
# Search for module source references that might be affected by CKV_TF_1
echo "Terraform modules without version pins:"
rg 'source\s*=\s*"[^"]*"' -g '*.tf' -A 2 | grep -v '?ref=' || true
# Check if other files are skipping this check
echo -e "\nOther occurrences of CKV_TF_1 skip:"
rg "CKV_TF_1" --type yamlConsider:
- Instead of skipping the version pinning check globally, address specific cases where version pinning isn't required
- Document the rationale in the code if the skip is necessary
14-14: Verify the changelog for version v1.96.2
The version bump from v1.96.1 to v1.96.2 appears to be a patch update. Let's verify the changes.
✅ Verification successful
Version bump to v1.96.2 is safe to proceed
The update from v1.96.1 to v1.96.2 only includes a bug fix for WSL parallelism functionality. This patch release has no breaking changes and is safe to apply.
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Description: Check the changelog between versions v1.96.1 and v1.96.2
# Fetch the changelog or release notes
gh api repos/antonbabenko/pre-commit-terraform/releases | jq -r '.[] | select(.tag_name == "v1.96.2") | .body'
Length of output: 473
32-32: Verify security improvements in Checkov update
The version bump from 3.2.257 to 3.2.296 is a significant patch update that might include important security fixes.
regional/locals.tf (1)
15-15: Verify Datadog environment tag configuration.
The change from local.environment to module.helpers.environment looks correct, but we should verify that the environment tag is properly propagated to Datadog.
Let's verify the helpers module implementation and other Datadog configurations:
regional/manifests/main.tf (2)
165-167: Verify environment tag consistency for node agent
Similar to the cluster agent change, this modification ensures consistent environment tagging through the helpers module. The change is appropriate and maintains consistency between cluster and node agent configurations.
97-100: Verify environment tag consistency for cluster agent
The change to use module.helpers.environment aligns with the refactoring goal of centralizing helper functions. However, we should verify that the environment value remains consistent across the infrastructure.
✅ Verification successful
Based on the search results, I can generate the final response as we have sufficient information to verify the environment tag consistency:
Environment tag migration is complete and consistent
The verification shows that all environment tags have been successfully migrated to use module.helpers.environment. No instances of local.environment remain in the Terraform configurations, and the new pattern is consistently used across:
- Cluster agent labels
- Node agent labels
- Pod labels
- Environment tags in locals
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Description: Verify consistent environment tag usage across Terraform configurations
# Look for any remaining local.environment references that should be migrated
# Search for local.environment references
echo "Checking for remaining local.environment references:"
rg "local\.environment" -t tf
# Search for module.helpers.environment references to confirm adoption
echo -e "\nChecking module.helpers.environment usage:"
rg "module\.helpers\.environment" -t tf
Length of output: 648
regional/manifests/locals.tf (3)
5-5: LGTM: Well-structured cluster naming logic
The cluster name construction handles both zonal and regional clusters appropriately using a clean ternary operation.
196-199: LGTM: Tag structure follows best practices
The tag configuration is well-structured and includes all essential tags (cluster, environment, region, team) while properly utilizing the new helpers module.
177-180: Verify Datadog auto-configuration implications
The addition of DD_IGNORE_AUTOCONF for Cilium might affect Datadog's monitoring capabilities.
Let's check if this change is documented:
✅ Verification successful
Datadog auto-configuration for Cilium is properly configured
The verification shows that:
- There's a dedicated Cilium configuration in
regional/manifests/main.tfthat sets up Datadog monitoring for Cilium with specific metrics endpoint - The
DD_IGNORE_AUTOCONFsetting is intentionally configured to prevent conflicts with the custom Cilium monitoring configuration - The configuration follows Datadog's best practices for monitoring Cilium by using a custom configuration instead of auto-discovery
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Search for documentation about Cilium and Datadog configuration
rg -i "cilium.*datadog|datadog.*cilium" --type md
# Check for any related configuration in other Terraform files
rg "DD_IGNORE_AUTOCONF" --type terraform
Length of output: 126
Script:
#!/bin/bash
# Search for documentation about Cilium and Datadog configuration with broader file types
rg -i "cilium.*datadog|datadog.*cilium" -g '*.md' -g '*.tf'
# Check for any related configuration with correct file pattern
rg "DD_IGNORE_AUTOCONF" -g '*.tf'
# Look for Cilium-related configurations
rg "cilium" -g '*.tf' -A 3 -B 3
# Check for documentation in README files
fd README.md -x cat {}
Length of output: 5862
Summary by CodeRabbit
.gitignoreto allow tracking ofprovider.tf.