Generate Terraform config from volumeset templates #237
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Actionable comments posted: 6
🧹 Outside diff range and nitpick comments (12)
lib/patches/string.rb (1)
26-38: Approve implementation with suggestions for improvement.The
pluralizemethod correctly handles common pluralization rules. However, consider the following improvements for more comprehensive pluralization:
- Handle irregular plurals (e.g., "child" -> "children").
- Account for words that don't change in plural form (e.g., "sheep").
- Refine the handling of words ending with "y" to consider preceding vowels (e.g., "day" should become "days", not "daies").
These enhancements would make the method more robust for a wider range of English words.
Consider implementing these improvements using a more comprehensive ruleset or integrating with a dedicated pluralization library for Ruby, such as
activesupportwhich provides advanced pluralization capabilities.spec/patches/string_spec.rb (2)
50-57: Good coverage of single-character edge cases.This context properly tests the pluralization rules for single-character words, which is an important edge case to consider.
Consider adding a test case for a single 'z' character to ensure complete coverage of the special cases:
expect("z".pluralize).to eq("zes")
42-48: Consider adding a test for words ending with 'es' in the default case.To improve test coverage, consider adding a test case for words that already end with 'es' but don't fall into the special cases:
it "returns the word unchanged if it already ends with 'es'" do expect("glasses".pluralize).to eq("glasses") endThis will ensure that the
pluralizemethod correctly handles such words without adding an extra 's'.lib/command/terraform/generate.rb (2)
37-37: Approve the change with a minor suggestion.The modification ensures that
@appis always set as a string, which improves type consistency. This is a good practice to prevent potential type-related issues.Consider using a more conventional approach if possible:
config.app = app.to_sThis assumes that
confighas anapp=method. If not, the current implementation is acceptable.
48-49: Approve the error handling addition with a suggestion for improved logging.The new error handling for
InvalidTemplateErrorimproves the robustness of thegenerate_app_configmethod. It allows the process to continue even when an invalid template is encountered, which is a good practice for resilience.Consider adding more context to the warning message to help with debugging:
rescue TerraformConfig::Generator::InvalidTemplateError => e Shell.warn("Error generating config for template #{template['name']}: #{e.message}")This assumes
templatehas a 'name' key. Adjust accordingly based on the actual structure of thetemplateobject.spec/patches/hash_spec.rb (3)
17-23: LGTM: Comprehensive nested hash testThis test case effectively verifies that
deep_underscore_keystransforms keys at all levels of a nested hash. It's good that you're testing both string and symbol keys.Consider adding an additional assertion to verify that the original hash remains unchanged, ensuring the method doesn't modify the input:
it "doesn't modify the original hash" do original = hash.dup deep_underscored_keys_hash expect(hash).to eq(original) end
25-31: LGTM: Correct handling of already underscored keysThis test case correctly verifies that
deep_underscore_keysleaves already underscored keys unchanged.Consider adding a test case for already underscored symbol keys to ensure comprehensive coverage:
context "with already underscored symbol keys" do let(:hash) { { already_underscored: "value" } } it "leaves underscored symbol keys unchanged" do expect(deep_underscored_keys_hash).to eq(already_underscored: "value") end end
41-71: LGTM: Comprehensive testing of string and symbol keysThese contexts thoroughly test the behavior of
deep_underscore_keyswith both string and symbol keys, covering various scenarios including camelCase, snake_case, and keys with multiple uppercase letters. The tests are comprehensive and cover important cases.Consider refactoring these two contexts to reduce duplication. You could use a shared example group:
shared_examples "key transformation" do |key_type| let(:hash) do if key_type == :string { "camelCaseKey" => "value1", "snake_case_key" => "value2", "XMLHttpRequest" => "value3" } else { camelCaseKey: "value1", snake_case_key: "value2", XMLHttpRequest: "value3" } end end it "transforms camelCase keys to snake_case" do expect(deep_underscored_keys_hash[key_type == :string ? "camel_case_key" : :camel_case_key]).to eq("value1") end it "leaves snake_case keys unchanged" do expect(deep_underscored_keys_hash[key_type == :string ? "snake_case_key" : :snake_case_key]).to eq("value2") end it "correctly handles keys with multiple uppercase letters" do expect(deep_underscored_keys_hash[key_type == :string ? "xml_http_request" : :xml_http_request]).to eq("value3") end end context "with string keys" do include_examples "key transformation", :string end context "with symbol keys" do include_examples "key transformation", :symbol endThis refactoring would make the tests more DRY while still maintaining the same level of coverage.
spec/command/terraform/generate_spec.rb (1)
89-105: LGTM! Consider refactoring the test setup.The new context for handling
InvalidTemplateErroris well-structured and aligns with the PR objectives. It effectively tests the error handling for invalid templates.Consider refactoring the test setup to avoid using
allow_any_instance_of. Instead, you could create an instance ofTerraformConfig::Generatorand stub its method. This approach is more specific and less prone to unintended side effects. For example:let(:generator) { instance_double(TerraformConfig::Generator) } before do allow(TerraformConfig::Generator).to receive(:new).and_return(generator) allow(generator).to receive(:tf_config).and_raise( TerraformConfig::Generator::InvalidTemplateError, "Invalid template: error message" ) endspec/core/terraform_config/generator_spec.rb (2)
178-202: LGTM: Comprehensive template structure for volumeset.The new context for the "volumeset" template kind is well-structured and covers all necessary attributes for volume set configuration. This aligns perfectly with the PR objectives.
Consider adding a comment explaining the purpose of the
storageClassSuffixfield, as its usage might not be immediately clear to all readers.
204-228: LGTM: Comprehensive test coverage for volumeset template.The test thoroughly verifies the correct transformation of the volumeset template into a Terraform configuration. It checks all attributes and ensures the generated config is of the correct type.
Consider adding a test case for edge cases, such as when optional fields (e.g.,
autoscalingorsnapshots) are omitted from the template. This would ensure robustness in handling various input scenarios.lib/core/terraform_config/volume_set.rb (1)
65-70: Ensure consistent type conversion in validation methodsIn
validate_performance_class!,performance_classis converted to a string using.to_sbefore checking inclusion inPERFORMANCE_CLASSES. However, invalidate_file_system_type!,file_system_typeis used directly. For consistency and to handle cases wherefile_system_typemight not be a string, consider converting it using.to_s.Apply this diff for consistency:
def validate_file_system_type! - return if FILE_SYSTEM_TYPES.include?(file_system_type) + return if FILE_SYSTEM_TYPES.include?(file_system_type.to_s) raise ArgumentError, "Invalid file system type: #{file_system_type}. Choose from #{FILE_SYSTEM_TYPES.join(', ')}" end
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📒 Files selected for processing (10)
- lib/command/terraform/generate.rb (2 hunks)
- lib/core/terraform_config/generator.rb (2 hunks)
- lib/core/terraform_config/volume_set.rb (1 hunks)
- lib/patches/string.rb (1 hunks)
- spec/command/terraform/generate_spec.rb (2 hunks)
- spec/core/terraform_config/generator_spec.rb (2 hunks)
- spec/core/terraform_config/gvc_spec.rb (1 hunks)
- spec/core/terraform_config/volume_set_spec.rb (1 hunks)
- spec/patches/hash_spec.rb (1 hunks)
- spec/patches/string_spec.rb (1 hunks)
🧰 Additional context used
🔇 Additional comments (29)
spec/core/terraform_config/gvc_spec.rb (1)
21-21:⚠️ Potential issueInconsistency between input and expected output for
trusted_proxiesThe input key has been changed to "trustedProxies" (camelCase), but the expected output still uses "trusted_proxies" (snake_case). This inconsistency may lead to a failing test or incorrect behavior.
Consider one of the following actions:
If the intention is to use camelCase in the input:
- Update the expected output to match the new input format.
- Ensure the
TerraformConfig::Gvcclass correctly handles camelCase input.If this change was unintentional:
- Revert the input key back to "trusted_proxies".
To verify the correct behavior, we can check the implementation of the
TerraformConfig::Gvcclass:This will help us understand how the class is currently handling the
trusted_proxieskey and whether it expects camelCase or snake_case.spec/patches/string_spec.rb (7)
1-59: Well-structured and comprehensive test suite.The test file is well-organized, following RSpec best practices. It uses appropriate describe and context blocks, making the test suite easy to read and maintain. The use of the
expectsyntax for assertions is consistent throughout the file.
7-11: Good coverage of edge case: empty string.This test case correctly handles the edge case of an empty string, ensuring that the
pluralizemethod behaves as expected in this scenario.
13-18: Correct handling of words already ending with 'ies'.This test case ensures that words already ending with 'ies' are not modified, which is the expected behavior for the
pluralizemethod.
20-33: Comprehensive testing of special pluralization cases.This context thoroughly tests the pluralization rules for words ending with 's', 'x', 'z', 'ch', or 'sh'. It correctly verifies both the addition of 'es' and the preservation of words already ending with 'es'.
35-40: Correct handling of words ending with 'y'.This test case properly verifies the pluralization rule for words ending with 'y', ensuring they are correctly changed to end with 'ies'.
42-48: Proper testing of default pluralization rule.This context correctly tests the default pluralization rule for words that don't fall into the special cases, ensuring 's' is added to the end.
1-59: Excellent test suite for String#pluralize method.This test suite is well-structured, comprehensive, and follows RSpec best practices. It covers a wide range of scenarios including edge cases and special pluralization rules. The minor suggestions provided will further enhance its coverage.
Great job on creating a robust set of tests for the
String#pluralizemethod!lib/command/terraform/generate.rb (1)
Line range hint
1-96: Overall, the changes improve code robustness and align with PR objectives.The modifications in this file enhance type handling and error management, which contributes to the overall goal of generating Terraform configurations from volumeset templates. The improved error handling allows for more graceful processing of invalid templates, while the type consistency change reduces the risk of type-related issues.
These changes, combined with the updates in other files mentioned in the AI summary (such as the
TerraformConfig::Generatorand the newVolumeSetclass), form a cohesive set of improvements that should make the template-to-Terraform conversion process more reliable and flexible.spec/patches/hash_spec.rb (4)
1-7: LGTM: Well-structured test setupThe file is well-organized and follows RSpec best practices. The use of
frozen_string_literal: trueis a good practice for performance and immutability. The subject is correctly defined using the method under test.
9-15: LGTM: Proper empty hash handlingThis test case correctly verifies that the
deep_underscore_keysmethod handles an empty hash appropriately by returning an empty hash.
33-39: LGTM: Proper handling of keys with numbers and special charactersThis test case effectively verifies that
deep_underscore_keyscorrectly transforms keys containing numbers and special characters. It's good to see edge cases being covered.
1-73: Overall: Well-written and comprehensive test suiteThis test suite for
Hash#deep_underscore_keysis well-structured, comprehensive, and follows RSpec best practices. It covers various scenarios including empty hashes, nested hashes, already underscored keys, keys with special characters, and both string and symbol keys. The tests provide good coverage for the method's behavior and include important edge cases.The suggestions provided earlier for minor improvements and refactoring can further enhance the quality and maintainability of these tests. Great job on writing thorough tests!
spec/command/terraform/generate_spec.rb (2)
116-116: LGTM! Addition ofvolumesets.tfis consistent with PR objectives.The inclusion of
volumesets.tfin theapp_config_filesmethod aligns well with the PR's goal of introducing functionality forvolumesettemplates. This change ensures that the tests will verify the generation of the newvolumesets.tffile.
Line range hint
1-118: Overall, the changes look good and improve test coverage.The additions to this spec file are well-aligned with the PR objectives. They introduce proper error handling for invalid templates and extend the test coverage to include the new
volumesets.tffile. These changes will help ensure the robustness of the Terraform configuration generation process.spec/core/terraform_config/generator_spec.rb (2)
13-14: LGTM: Improved error handling for unsupported template kinds.The updated test now checks for an ArgumentError during generator initialization, which is a good practice. This change ensures that unsupported template kinds are caught early, improving the overall robustness of the code.
Line range hint
1-229: Overall, excellent additions to the test suite.The changes in this file significantly improve the test coverage for the TerraformConfig::Generator class. The new error handling for unsupported template kinds and the comprehensive tests for the volumeset template kind align perfectly with the PR objectives. The code quality is high, and the tests are thorough.
A few minor suggestions have been made to further enhance the robustness and clarity of the tests. Great job on these improvements!
lib/core/terraform_config/generator.rb (9)
5-6: Addition ofSUPPORTED_TEMPLATE_KINDSconstant improves code clarityDefining
SUPPORTED_TEMPLATE_KINDScentralizes the supported template kinds, enhancing maintainability and readability.
7-8: Introduction ofInvalidTemplateErrorenhances error handlingCreating a specific exception class
InvalidTemplateErrorallows for precise error management when encountering unsupported template kinds.
14-14: Validation of template kind during initializationCalling
validate_template_kind!in the initializer ensures that only supported template kinds are processed, improving robustness and preventing errors later in execution.
17-20: Simplification offilenamemethod logicThe updated
filenamemethod simplifies the logic by usingkind.pluralize, enhancing readability. This change reduces complexity and makes it easier to add new template kinds in the future.
24-24: Refactoringtf_configmethod enhances flexibilityUsing
config_class.new(**config_params)in thetf_configmethod allows for dynamic instantiation of configuration objects based on the template kind, promoting extensibility.
29-33: Addition ofvalidate_template_kind!method strengthens input validationThe
validate_template_kind!method ensures unsupported template kinds are identified immediately, enhancing error handling and user feedback.
35-41: Dynamic determination ofconfig_classwith special case handlingThe
config_classmethod dynamically determines the appropriate configuration class based onkind, correctly handling the special case for "volumeset". This approach maintains flexibility while ensuring accuracy.
43-44: Dynamic invocation of configuration parameter methodsUsing
send("#{kind}_config_params")inconfig_paramsmethod allows for flexible retrieval of configuration parameters corresponding to each template kind.
115-117: Memoization inkindmethod improves performanceIntroducing memoization in the
kindmethod avoids redundant retrievals of the template kind, enhancing efficiency.lib/core/terraform_config/volume_set.rb (3)
41-47: Terraform resource generation is well-structuredThe
to_tfmethod correctly defines the Terraform resource, and the inclusion ofbase_arguments_tf,snapshots_tf, andautoscaling_tfmethods ensures that all necessary configurations are captured.
13-39: Initializer and attribute assignments are appropriateThe initializer properly sets up all instance variables and invokes
validate_attributes!to ensure data integrity. The use ofattr_readerprovides read-only access to these variables, aligning with good encapsulation practices.
119-137: Conditional handling ofsnapshotsandautoscalingblocksThe methods
snapshots_tfandautoscaling_tfwisely check fornilbefore generating their respective blocks, preventing unnecessary code generation. Iterating over argument names simplifies the code and enhances maintainability.
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Actionable comments posted: 2
🧹 Outside diff range and nitpick comments (5)
lib/core/terraform_config/generator.rb (4)
17-20: LGTM: Simplified filename method with a minor suggestion.The refactored
filenamemethod is more concise and easier to maintain. It eliminates the need for a case statement and reduces the chance of errors when adding new kinds.Consider using a ternary operator for even more conciseness:
def filename kind == "gvc" ? "gvc.tf" : "#{kind.pluralize}.tf" end
35-41: LGTM: Centralized config class determination with a suggestion.The
config_classmethod effectively centralizes the logic for determining the appropriate configuration class based on the template kind. This improves maintainability and makes it easier to add new kinds in the future.Consider adding error handling for the
const_getcall to gracefully handle cases where a corresponding class might not exist:def config_class if kind == "volumeset" TerraformConfig::VolumeSet else TerraformConfig.const_get(kind.capitalize) rescue NameError raise InvalidTemplateError, "No configuration class found for kind: #{kind}" end end
43-44: LGTM: Dynamic config params retrieval with a suggestion.The
config_paramsmethod provides a clean and extensible way to retrieve configuration parameters for different kinds of templates. This approach reduces duplication and makes it easier to add support for new template kinds.Consider adding a fallback or error handling in case a corresponding
*_config_paramsmethod doesn't exist:def config_params method_name = "#{kind}_config_params" if respond_to?(method_name, true) send(method_name) else raise InvalidTemplateError, "No configuration params method found for kind: #{kind}" end end
73-83: LGTM: Comprehensive volumeset config params with refactoring suggestion.The
volumeset_config_paramsmethod effectively constructs the configuration parameters for volumeset templates, combining template attributes with spec details. The use ofto_hwith a block for mapping spec keys to their values is a concise and readable approach.Consider refactoring this method to reduce its length and improve readability:
def volumeset_config_params template.slice(:name, :description, :tags) .merge(gvc: gvc) .merge(volumeset_specs) end def volumeset_specs %i[initial_capacity performance_class file_system_type storage_class_suffix snapshots autoscaling] .to_h { |key| [key, template.dig(:spec, key)] } endThis refactoring separates the spec-related logic into its own method, making the main method more concise and easier to understand.
lib/core/terraform_config/volume_set.rb (1)
51-82: Consider adding unit tests for validation methodsWhile the validation methods comprehensively check for valid attribute values, adding unit tests for these methods would help ensure they function as intended and prevent future regressions.
Would you like assistance in creating test cases for these validation methods?
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📒 Files selected for processing (3)
- lib/core/terraform_config/generator.rb (2 hunks)
- lib/core/terraform_config/volume_set.rb (1 hunks)
- spec/core/terraform_config/volume_set_spec.rb (1 hunks)
🚧 Files skipped from review as they are similar to previous changes (1)
- spec/core/terraform_config/volume_set_spec.rb
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🔇 Additional comments (5)
lib/core/terraform_config/generator.rb (4)
5-7: LGTM: Improved constant definition and error handling.The introduction of
SUPPORTED_TEMPLATE_KINDSconstant andInvalidTemplateErrorclass enhances code maintainability and error handling specificity. This is a good practice for managing supported template types and providing clear error messages.
14-14: LGTM: Early validation of template kind.Adding
validate_template_kind!to theinitializemethod ensures early validation of the template kind. This is a good practice as it fails fast for invalid inputs, preventing issues later in the execution.
24-24: LGTM: Improved tf_config method.The refactored
tf_configmethod now uses a separateconfig_classmethod, which improves readability and maintainability. This separation of concerns makes the code more modular and easier to extend in the future.
29-33: LGTM: Robust template kind validation.The
validate_template_kind!method provides robust validation of the template kind. It effectively uses theSUPPORTED_TEMPLATE_KINDSconstant and raises a customInvalidTemplateErrorfor unsupported kinds, enhancing error handling and maintainability.lib/core/terraform_config/volume_set.rb (1)
1-147: Overall implementation looks goodThe
VolumeSetclass is well-structured, and the attribute validations enhance robustness. The methodsto_tf,snapshots_tf, andautoscaling_tfeffectively generate the necessary Terraform configuration blocks.
borela
deleted the
support-terraform-config-generation-from-volumeset-template
branch
What does this PR do?
This PR adds support for converting templates with type: volumeset to terraform config format
Terraform docs
https://registry.terraform.io/providers/controlplane-com/cpln/latest/docs/resources/volume_set
Examples
Transforms to:
Summary by CodeRabbit
Release Notes
New Features
VolumeSetclass for managing volume configurations in Terraform.pluralizemethod for string manipulation.Bug Fixes
Documentation
VolumeSetandStringclasses, ensuring comprehensive coverage and validation.Refactor
GenerateandGeneratorclasses.Generatorclass.