feat: Add client driver implementation #42
Conversation
WalkthroughThe pull request introduces significant architectural changes to the Spider framework, focusing on reorganizing source files, enhancing task management, and improving the driver and storage components. Key modifications include restructuring header and source file locations, adding new methods to task and driver classes, and updating the function and task graph management. The changes aim to improve modularity, error handling, and flexibility in task graph creation and execution. Changes
Sequence DiagramsequenceDiagram
participant Driver
participant TaskGraph
participant TaskGraphImpl
participant Task
participant FunctionManager
Driver->>TaskGraph: bind task
TaskGraph->>TaskGraphImpl: create task
TaskGraphImpl->>FunctionManager: register function
TaskGraphImpl->>Task: create task instance
TaskGraphImpl-->>TaskGraph: return task graph
Driver-->>Driver: store task graph
The sequence diagram illustrates the high-level interaction between components during task binding, showcasing how the Thank you for using CodeRabbit. We offer it for free to the OSS community and would appreciate your support in helping us grow. If you find it useful, would you consider giving us a shout-out on your favorite social media? 🪧 TipsChatThere are 3 ways to chat with CodeRabbit:
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Actionable comments posted: 2
🧹 Nitpick comments (31)
src/spider/client/task.hpp (5)
4-4: Consider including only necessary headers
You introduced<type_traits>here. Verify if this header is necessary or if it can be relocated to a more appropriate place to reduce compile times.
48-48: Clarify concept naming
The nameRunnableOrTaskIomight be more explicit if described as something likeIsRunnableOrTaskIo, aligning better with typical concept naming patterns.
49-55: Consolidate template specializations
You've addedConcatTaskGraphTypeto handle different parameter combinations. This approach is fine, but verify if the partial specializations can be safely merged to reduce code duplication.
69-75: Double-check duplication betweenTaskGraphmerges
Concatenating twoTaskGraphs expands the parameter packs. Ensure users do not accidentally create ambiguous tasks if repeated types exist.
76-78: Avoid empty primary templates
If feasible, avoid empty definitions liketemplate <class...> struct MergeTaskGraphTypes;by combining it with the initial partial specialization for improved clarity.src/spider/client/Driver.cpp (2)
1-9: Header inclusions
The included headers appear consistent with the required functionality (threads, optional, string, stops, etc.). Good practice to confirm all are strictly needed to keep compilation lean.
63-99: Uniform handling for second constructor
Same suggestions for using an initialiser list and thorough error-handling ofcore::get_address()to match the first constructor. Ensuring consistent usage helps maintain code viability.🧰 Tools
🪛 cppcheck (2.10-2)
[performance] 95-95: Variable 'id' is assigned in constructor body. Consider performing initialization in initialization list.
(useInitializationList)
src/spider/core/TaskGraph.hpp (3)
7-7: Potential leftover
You added<tuple>. Confirm it is used. If not, consider removing to clean up includes.
12-12: Unusedabsl/flat_hash_mapimport
Check if you retained all references toabsl::flat_hash_map. If the container changed, remove this include.
102-105: Prevent duplicates in input/output tasks
When adding tasks tom_input_tasksorm_output_tasks, consider whether duplicates should be disallowed. If yes, insert a check or use a set structure.src/spider/client/Driver.hpp (1)
20-20: Check unreferenced ‘utility’
Review whether#include "utility"is required or if you can remove it to declutter.src/spider/core/TaskGraphImpl.hpp (5)
1-3: File introduction
New file forTaskGraphImpl. Good separation of concerns, but ensure documentation clarifies howTaskGraphImplfits into the system’s architecture.
23-25: Cognitive complexity
bindcan become quite large with multiple expansions. Consider extracting internal portions into smaller helper methods if it grows more.
71-74: Manufacturing tasks
You add every task fromparent_graphintograph.m_graph. Confirm potential name collisions or ID collisions (though you do reset).
72-92: Task Io type consistency
The checks inside this block rely on matching types withtypeid(...). Provide clearer error messages or logs if mismatches occur frequently.
168-190: Merging task outputs
Mapping each output fromoutput_taskto an input intaskis a powerful approach, but be sure to handle index mismatch elegantly.src/spider/worker/FunctionManager.hpp (3)
52-52: Consider alternative ways of storing function pointers.
Storing function pointers in avoid*may lead to subtle portability concerns. For a more robust design, consider using a dedicated pointer-to-function type or a wrapper structure to avoid any aliasing issues.
387-391: Provide logging or diagnostic output on duplicate registrations.
While returningfalseeffectively prevents duplicate registrations, it might be advantageous to log an error or warning message indicating that the function name is already registered, thereby helping with troubleshooting.if (m_function_map.contains(name)) { + spdlog::warn("Function \"{}\" is already registered. Skipping duplicate registration.", name); return false; }
406-406: Check for potential name conflicts in function invoker.
Consider performing a similar name conflict check underregister_function_invoker, ensuring consistent duplicate handling analogous toregister_function.src/spider/storage/MysqlStorage.cpp (1)
542-542: Confirm readiness handling.
Marking tasks returned byget_input_tasks()asreadyis logical if these tasks indeed have all inputs satisfied from the outset. Please double-check that no other tasks erroneously require a similar update to their initial state, particularly in partial or dynamic graphs.Do you need a script to confirm no other tasks have zero dependencies or are partially handled?
src/spider/client/TaskGraph.hpp (1)
24-35: Check constructor’s privacy and friend relationships.
Granting friendship to multiple classes likecore::TaskGraphImpl,Driver, andTaskContextis valid if they truly require direct access tom_impl. If not, reduce the friend scope or provide other controlled accessor methods to maintain strict encapsulation.src/spider/worker/FunctionManager.cpp (1)
70-75: Safeguard potential pointer collisions.
Them_name_mapusesvoid*as keys. Ensure that no dynamic library boundary or other compiler nuance can cause pointer identity changes. If you plan to load or unload function definitions, consider storing a stable ID instead of raw pointers.tests/client/test-Driver.cpp (3)
35-37: Extend test coverage for boundary conditions.
Whilesumis straightforward, consider adding test inputs that involve negative, zero, or extreme integer values to exercise edge cases.
39-41: Validate concurrency withData<int>&.
Ensure the test covers scenarios where multiple tasks might concurrently read from the same data. Although the design might be inherently single-threaded for test scenarios, concurrency tests can help confirm correctness with real usage.
54-60: Consider verifying final results of bound tasks.
The tests do not appear to assert the final returned value from the task graphs. Extend the tests to confirm correct outputs, e.g., verifying thatsum(1, 1) + test_driver(...)indeed yields the expected results.src/spider/client/Data.hpp (1)
167-167: GrantingTaskGraphImplfriend visibility appears consistent with design.
Before finalizing, ensure thatTaskGraphImplonly accesses necessary internals to preserve encapsulation.src/spider/core/Task.hpp (2)
19-19: Slight repetition in multiple constructors.
Evaluate unifying or delegating constructors to reduce maintenance overhead.
147-148:get_input_refimproves in-place manipulations.
Be mindful of concurrency if multiple threads modify the same input reference.tests/worker/test-FunctionManager.cpp (1)
50-54: Verifying retrieval of registered function name
Good approach to confirm an actual function name is returned. The usage of reinterpret_cast is consistent with the FunctionManager design.Consider clarifying in a comment why the reinterpret_cast is necessary for those unfamiliar with your function pointer approach.
tests/storage/test-MetadataStorage.cpp (1)
259-261: Adding input/output tasks for concurrency
Assigning parent tasks as inputs and the child task as output fosters a clear test scenario. Keep an eye on concurrency or multi-thread usage if tasks eventually become parallel.tools/scripts/lib_install/boost.sh (1)
33-37: Shifting from tarball to git-based Boost retrieval
This approach is more flexible and can simplify version management. Ensure the checked-out version is correct and that future updates are well-documented.
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📒 Files selected for processing (20)
src/spider/CMakeLists.txt(2 hunks)src/spider/client/Data.hpp(4 hunks)src/spider/client/Driver.cpp(1 hunks)src/spider/client/Driver.hpp(6 hunks)src/spider/client/TaskGraph.hpp(1 hunks)src/spider/client/task.hpp(3 hunks)src/spider/core/Task.hpp(4 hunks)src/spider/core/TaskGraph.hpp(2 hunks)src/spider/core/TaskGraphImpl.hpp(1 hunks)src/spider/storage/MysqlStorage.cpp(2 hunks)src/spider/worker/FunctionManager.cpp(1 hunks)src/spider/worker/FunctionManager.hpp(3 hunks)tests/CMakeLists.txt(1 hunks)tests/client/test-Driver.cpp(1 hunks)tests/scheduler/test-SchedulerPolicy.cpp(3 hunks)tests/scheduler/test-SchedulerServer.cpp(1 hunks)tests/storage/test-DataStorage.cpp(2 hunks)tests/storage/test-MetadataStorage.cpp(4 hunks)tests/worker/test-FunctionManager.cpp(1 hunks)tools/scripts/lib_install/boost.sh(1 hunks)
🧰 Additional context used
🪛 cppcheck (2.10-2)
tests/client/test-Driver.cpp
[error] 30-30: syntax error
(syntaxError)
tests/worker/test-FunctionManager.cpp
[error] 43-43: syntax error
(syntaxError)
src/spider/client/Driver.cpp
[performance] 95-95: Variable 'id' is assigned in constructor body. Consider performing initialization in initialization list.
(useInitializationList)
[performance] 114-114: Variable 'm_id' is assigned in constructor body. Consider performing initialization in initialization list.
(useInitializationList)
[performance] 24-24: Variable 'm_id' is assigned in constructor body. Consider performing initialization in initialization list.
(useInitializationList)
🔇 Additional comments (62)
src/spider/client/task.hpp (6)
31-31: Change fromstd::functionto function pointer
Switching fromstd::function<ReturnType(TaskContext, TaskParams...)>to a function pointer could enhance performance, but be cautious about the potential loss in flexibility (e.g., capturing lambdas).
57-61: Confirm type composition correctness
This overload ensures that adding a singleInputTypedoes not change the existing graph parameter pack. Please confirm that skipping new parameters for plain input types is intentional and covers all use cases.
62-68: Ensure extended pack correctness
When merging aTaskFunctionwith aTaskGraph, confirm you are applying the correct parameter expansions forTaskParams.... This logic can be fragile with complicated packs.
79-83: Preserve existing type ordering
Merging the graph into a single type is helpful. Confirm that no initial type ordering is lost that might alter scheduling or invocation sequences downstream.
84-92: Recursive approach is well-structured
Your recursion approach, usingMergeTaskGraphTypes+ConcatTaskGraphType, is quite elegant. Just ensure that the recursion terminates cleanly for large input sets.
93-95: Alias usage
TaskGraphTypenicely abstracts away the param expansions. This is a good pattern for simpler user-facing APIs.src/spider/client/Driver.cpp (5)
10-12: Boost UUID usage
Using Boost’s random generator is acceptable here. If generation performance or custom seeding are concerns, evaluate an alternative or ensure robust randomness.
22-61: Consider constructor init lists
You assignm_idand then create storages in the constructor’s body. Using an initialiser list might be more efficient while maintaining clarity:
[performance]-Driver::Driver(std::string const& storage_url) { - boost::uuids::random_generator gen; - m_id = gen(); - ... +Driver::Driver(std::string const& storage_url) + : m_id(boost::uuids::random_generator()()), + m_metadata_storage(std::make_shared<core::MySqlMetadataStorage>()), + m_data_storage(std::make_shared<core::MySqlDataStorage>()) +{ + ...🧰 Tools
🪛 cppcheck (2.10-2)
[performance] 24-24: Variable 'm_id' is assigned in constructor body. Consider performing initialization in initialization list.
(useInitializationList)
37-41: Check machine address retrieval
Ifcore::get_address()might fail or return an empty address under specific network conditions, consider logging deeper diagnostic info.
101-107: Insert operation
kv_store_insertlogic is straightforward. Good job verifying that the storage call succeeded before returning.
109-119: Optional usage
Correctly returningstd::nulloptwhen not found. This suits the expected pattern for key-value retrieval. Good clarity in error handling for other failure types.🧰 Tools
🪛 cppcheck (2.10-2)
[performance] 114-114: Variable 'm_id' is assigned in constructor body. Consider performing initialization in initialization list.
(useInitializationList)
src/spider/core/TaskGraph.hpp (4)
4-5: Header expansions
The addition of<cstddef>and<cstdint>is consistent with the usage of size/type definitions.
94-101: New getters for input/output tasks
get_input_tasks()andget_output_tasks()returning references is good for avoiding copies. Be sure no external code modifies these vectors unexpectedly.
111-152: Deep references replaced
Yourreset_ids()method thoroughly updates all references in tasks, dependencies, and input/output vectors. Consider locking or concurrency-safety if multiple threads might read/modify graph data simultaneously.
153-153: Structure
Addingm_input_tasksandm_output_tasksimproves clarity. Great approach to delineate them from the main tasks.src/spider/client/Driver.hpp (6)
4-8: Header usage
Added<memory>,<stdexcept>,<thread>, etc. The new includes adequately cover the expanded functionality for storage, concurrency, and error handling.
13-13: Check circular dependencies
Noting the new includesTaskGraphImpl.hppand others. Watch out for potential circular includes if you expand cross-dependencies in the future.
39-42: Forward declarations for storages
Forward declaringMetadataStorageandDataStorageis a good approach, ensuring minimal coupling here.
70-73:get_data_builderclarity
This method’s usage withData<T>::Builderis straightforward, returning a fully prepared builder referencing this driver’s ID.
82-82: Explicit return type
Usingauto ... -> voidis consistent with the style used across your codebase. Retaining clarity on function signatures fosters maintainability.
110-122: Template binding checks
Validating thatcore::TaskGraphImpl::bind(...)returns an actual graph ensures robust error handling. Throwing an exception if binding fails is user-friendly for debugging.src/spider/core/TaskGraphImpl.hpp (9)
4-9: Essential includes
The logic depends on<cstdint>,<optional>,<string>,<tuple>,<type_traits>. These appear necessary, ideal for a templated utility file.
39-42: Early exit
You checkif (fail)inside the loop. This short-circuit approach is fine. Just confirm clients are aware any partially bound items are discarded if one fails.
57-61: Efficient usage ofparent_graph.reset_ids()
Resetting ID ensures uniqueness of merged tasks. Verify that tasks inparent_graphhaven’t been scheduled or run prior to merging to avoid conflicts.
82-85: Data references
When settinginput.set_data_id(...), confirm that the data is guaranteed to exist within the same context or storage.
86-90: Serialisable inputs
Great approach packaging the input into a msgpack buffer. This fosters a flexible, consistent approach to serialisation.
98-100: Consume all inputs
If the user provides fewer or more inputs than the task parameters, returningstd::nulloptis a neat fail-fast approach.
109-135:create_taskmethod
This method’s reflection-based approach is interesting. EnsureFunctionManagerconsistently identifies function pointers across compilation units.
137-166: Adding parent tasks
The logic for building and connecting parent tasks is correct, though quite advanced. Keep an eye on possible index out-of-bounds with carefully validatedposition.
192-193: Encapsulation
m_graphas a private member ensures usage is funnelled throughbind. Good job preserving internal states.src/spider/worker/FunctionManager.hpp (1)
411-417: Ensure accessor const-correctness aligns with usage.
Accessors returningconst&preserve immutability. Verify that no modifications tom_function_maporm_name_mapare essential outside the class. This design is consistent with read-only usage but ensure that external consumers do not require mutation.src/spider/storage/MysqlStorage.cpp (1)
489-493: Validate logic for head task retrieval.
The new approach builds a set of heads based onget_input_tasks(). Confirm that the DAG definition of input tasks matches your design intent. If any tasks outside those inputs ever need to be included as heads, ensure consistency with the new method.src/spider/worker/FunctionManager.cpp (1)
64-64: Ensure at-callsite error handling remains unaffected.
Renamingm_maptom_function_mapclarifies the usage. Confirm that all references are updated throughout the codebase, and no external calls rely on the old name.tests/client/test-Driver.cpp (2)
30-30: Ignore potential false positive syntax error.
The static analysis tool flags a syntax error here, but the code appears valid. Treat this as a false positive unless local compilation fails.🧰 Tools
🪛 cppcheck (2.10-2)
[error] 30-30: syntax error
(syntaxError)
46-52: Double-check multi-task binding logic.
Your usage ofdriver.bind(&sum, &sum, &sum, ...)is flexible, but confirm the correct ordering of parameters. If the tasks require sequential or parallel execution, ensure the underlying infrastructure supports the corresponding scheduling strategy.tests/scheduler/test-SchedulerServer.cpp (1)
75-76: No concerns with the use ofadd_input_taskandadd_output_task.
These calls properly clarify the flow of input and output tasks in this test.src/spider/client/Data.hpp (3)
25-28: Forward declarations contribute to improved compilation times and better decoupling.
These class forward declarations help avoid unnecessary includes in this header.
126-126: Use of move semantics is exemplary for performance.
Transferring ownership here prevents copying large buffers and maintains efficiency.
135-137: Constructor parameters neatly align with typical usage.
The parameters forBuilder(data store, source ID, data source) enable flexible creation of data with distinct metadata.src/spider/core/Task.hpp (4)
18-18: New constructor fosters clarity in instantiatingTaskInput.
This fits well with existing constructors, enabling simpler creation of typed inputs.
47-50: Useset_outputcarefully to keep consistent output references.
Ensure that the newly set output aligns with the overall task dependencies.
51-51: Empty line for readability.
No issues here.
123-124: AllowingTaskID reassignment might introduce confusion.
Confirm that changing IDs will not disrupt references or stored states.tests/scheduler/test-SchedulerPolicy.cpp (4)
46-47: Explicitly adding input and output tasks helps define the graph's scope.
Maintaining these calls ensures that job creation in the metadata store is correct.
54-55: Consistent usage ofadd_input_taskandadd_output_task.
This continuity clarifies the FIFO policy’s ability to acknowledge full task definitions.
102-103: Solidifies the task’s boundaries within the graph.
Marking tasks as input and output fosters better clarity for scheduling logic.
149-150: Ensuring uniform application of input and output references.
This helps the scheduler handle tasks consistently, especially when locality is considered.tests/worker/test-FunctionManager.cpp (7)
22-24: Changing TaskContext to a non-const reference
This change is appropriate if the intention is to modify the TaskContext from within this function. Ensure it is necessary from the design standpoint, as it can allow side effects that increase complexity.
26-29: Updating signature of tuple_ret_test
Same as above, switching to a non-const reference enables modifications to the TaskContext. Validate whether these modifications are genuinely required.
31-33: Switching data_test to accept non-const reference
Confirm that side effects on the TaskContext are expected. If not, reverting to const reference may improve code safety.
35-37: New function not_registered introduced
Looks good for testing unregistered function flows. Ensure it is not inadvertently called in production code.
43-43: False-positive syntax error from static analysis
No evident syntax error found in this line. Likely a false alarm.🧰 Tools
🪛 cppcheck (2.10-2)
[error] 43-43: syntax error
(syntaxError)
44-45: Testing get_instance for FunctionManager
The approach is straightforward and does not present obvious issues.
46-48: Verifying behaviour for non-registered function name
The check for std::nullopt is correct. This test helps ensure that only registered functions are recognized.tests/storage/test-DataStorage.cpp (2)
91-92: Adding input and output tasks
Ensures that the test covers a complete lifecycle of a task. This clarifies input/output data flow but confirm that all tasks added in future require these calls.
132-134: Extending task structure with dependency and I/O tasks
It enhances the relationships among tasks. Validate that cyclical dependencies cannot occur unintentionally.tests/storage/test-MetadataStorage.cpp (4)
141-143: Registering input and output tasks
Adding input/output explicitly clarifies the data flow for parent and child tasks. The approach seems logically correct.
146-149: Using get_input_tasks for vector-based head tasks
Changing from sets to vectors is a fine approach. Just confirm that the order of heads is stable and reliable for your use case.
159-160: Defining input and output tasks for simple_graph
Consistently mirrors above usage. This ensures the test environment remains uniform.Also applies to: 162-162, 164-164
323-325: Setting up input and output tasks for resetting job
Ensures the reset feature is thoroughly tested. No issues spotted with this addition.src/spider/CMakeLists.txt (2)
125-129: LGTM! Proper placement of the Driver implementation.The Driver source file is correctly added to the shared client library sources, aligning with the PR's objective of implementing a client driver.
139-141: Verify architectural impact of header reorganization.Moving implementation headers from core to client shared scope represents a significant architectural change. Let's ensure this reorganization doesn't introduce unintended coupling or break existing dependencies.
✅ Verification successful
Header reorganization appears safe with limited dependencies
Based on the analysis, the header reorganization has a contained impact:
DataImpl.hppis only referenced inworker/FunctionManager.hppTaskContextImpl.hppis used inworker/FunctionManager.hppand its test fileTaskGraphImpl.hppis only referenced inclient/Driver.hppThe directory structure shows that the implementation headers still exist in the core directory, suggesting this is a modification to the build system rather than an actual file move. The limited usage pattern indicates these implementation headers are appropriately encapsulated and the change doesn't introduce unintended coupling.
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Verify the impact of header reorganization # Check for any remaining references to these headers in core echo "Checking for remaining core references..." rg -l "DataImpl\.hpp|TaskContextImpl\.hpp|TaskGraphImpl\.hpp" --type cpp --type hpp # Verify include hierarchy echo "Checking include dependencies..." for header in DataImpl.hpp TaskContextImpl.hpp TaskGraphImpl.hpp; do echo "Analyzing dependencies for $header:" rg -l "include.*$header" --type cpp --type hpp doneLength of output: 1037
Script:
#!/bin/bash # Let's try with correct file extensions for C++ echo "Checking for remaining core references..." rg -l "DataImpl\.hpp|TaskContextImpl\.hpp|TaskGraphImpl\.hpp" --type-add 'cpp:*.{cpp,hpp,h,cc,cxx}' --type cpp echo -e "\nChecking include dependencies..." for header in DataImpl.hpp TaskContextImpl.hpp TaskGraphImpl.hpp; do echo -e "\nAnalyzing dependencies for $header:" rg -l "include.*$header" --type-add 'cpp:*.{cpp,hpp,h,cc,cxx}' --type cpp done # Let's also check the directory structure to understand the reorganization echo -e "\nChecking current directory structure:" fd -e hpp -e cpp -e hLength of output: 3584
| // Start a thread to send heartbeats | ||
| // NOLINTNEXTLINE(performance-unnecessary-value-param) | ||
| m_heartbeat_thread = std::jthread([this](std::stop_token stoken) { | ||
| while (!stoken.stop_requested()) { | ||
| std::this_thread::sleep_for(std::chrono::seconds(1)); | ||
| core::StorageErr const err = m_metadata_storage->update_heartbeat(m_id); | ||
| if (!err.success()) { | ||
| throw ConnectionException(err.description); | ||
| } | ||
| } | ||
| }); |
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🛠️ Refactor suggestion
Heartbeat thread usage
Starting a continuous heartbeat in the constructor is helpful, but confirm that the destructor or move logic properly stops and joins the thread to prevent resource leaks.
| @@ -11,6 +11,7 @@ set(SPIDER_TEST_SOURCES | |||
| io/test-MsgpackMessage.cpp | |||
| scheduler/test-SchedulerPolicy.cpp | |||
| scheduler/test-SchedulerServer.cpp | |||
| client/test-Driver.cpp | |||
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💡 Codebase verification
Test coverage needs improvement for the Driver implementation
The test file covers basic functionality but is missing tests for several key features:
- Missing test coverage for:
start()method for both task and task graph executionget_jobs()method for retrieving scheduled/running jobs- Error handling scenarios (e.g., ConnectionException, DriverIdInUseException)
- Driver constructor with custom UUID
- Task timeout registration via
SPIDER_REGISTER_TASK_TIMEOUT
Current tests only cover:
- Basic key-value store operations
- Data building
- Task binding scenarios
🔗 Analysis chain
LGTM! Proper test integration for the new Driver implementation.
The test file is correctly integrated into the test suite. However, let's verify the test coverage for the new Driver implementation.
🏁 Scripts executed
The following scripts were executed for the analysis:
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#!/bin/bash
# Description: Verify test coverage for the Driver implementation
# Check if the test file exists and contains test cases
fd "test-Driver.cpp" | xargs grep -l "SCENARIO\|TEST_CASE"
# Check for comprehensive testing of Driver's key features
rg "TEST_CASE|SECTION" client/test-Driver.cpp
Length of output: 198
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#!/bin/bash
# Let's check the content of the test file to verify test coverage
cat tests/client/test-Driver.cpp
# Also check for the actual Driver implementation to cross-reference tested features
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Length of output: 2653
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# Let's check the Driver implementation to ensure all key features are tested
cat src/spider/client/Driver.hpp
Length of output: 5687
Description
Add client driver implementation except the job start functionality.
Validation performed
Summary by CodeRabbit
Release Notes
New Features
Driverclass for managing connections to MySQL storageImprovements
Bug Fixes
Chores