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Purpose
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This development process aim to create workflow from open source development to product development for linux based instrument cluster. This process aim to be able to certify that it has quality control. This process must embrace by open source community and industry.
Attention: This rule applies to Instrument cluster software stack only.
1. Roadmap and Feature Planning
Purpose
- To create the initial time-line for the release: the roadmap.
- To define/update the platform functional requirement.
- To identify the main technical goals for the new release.
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- D1-1 The platform functional requirement specification is published in AGL confluence.
- D1-2 The roadmap calendar is published in AGL confluence.
- D1-3 The reason for the change in platform functional requirements is published in AGL JirraJira. These release information will be published in Confluence at end of development.
- D1-4 All review record is published in AGL JirraJira.
2. Architecture Design
Purpose
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- T2.1-1 Create/update diagram and description of software component from use case point of view
- Use case diagram and/or Use case description should be showed in design documents to help understand requirements and to help have common understanding for requirements and,
- Use case diagram and/or Use case description show necessity of software component to be developed.
- T2.1-2 Create/update software component interface description
- This is important information for the component users, so it shall be included in design documents or described as markdown
- Developer shall define and describe meaning, parameter and return value of each interface
- If the order of calling interface function/method is important, we recommend that developer create a sequence diagram.
- T2.1-3 Create/update software component activity diagram
- T2.1-4 Create/update software component state machine diagram and table
- If the software component to be designed has a state, state transition should be represented by state machine diagram and/or state machine table.
- To prevent omission of consideration during design process, we recommend that developer checks his design using state machine table.
- T2.1-5 Create/update deployment diagram
- Developer should clarify related and/or interfering other components or hardware devices to show necessity of these.
- T2.1-6 Create/update software component test specification
- To Design test cases to meet the requirement coverage and
- To describe these as specification document.
Strong recommendation is to use UML for writing diagrams which are mentioned above.
See Architecture Design Template for the AGL development software for the document template.
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- V2.1-1 Review the each diagram and description
- Two or more reviewers must approve this design.
- This document must be including description for tasks from T2.1-1 to T2.1-6.
- All review records must be written in AGL jirraJira.
- V2.1-2 Review the interface description
- The method of providing an interface should use for standard method of the own architectural layer.
Interface spec shall describe by standard format of the method.
ex. In case of C functional interface should be use doxygen. In case of REST interface should be use OpenAPI.
- All review records must be written in AGL Jira.
- V2.1-3 Review the test .
- The correct and abnormal behavior of all interfaces must be defined.
- The performance requirements in the reference environment must be specified. ex. Interface A : response tome less than 1ms in R-Car M3.
- The resource requirements in the reference environment must be specified with limitations. ex. Runtime memory usage less than 20MByte in R-Car M3 (at 2 Guest container).
- All review records must be written in AGL Jira.
Exit Criteria
- X2.1-1 Completed review and accepted the documents for software component.
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- D2.1-1 The software component use case diagram and description, activity diagram and description, state machine diagram and description and interface description is published in AGL confluence.
- D2.1-2 All review record is published in AGL jirra/confluenceJira.
2.2. Architecture Design for the reusing existing opensource software
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- V2.2-1 Review the use case diagram and description
- Two or more reviewers must approve this definition.
- This document must be including description for tasks from T2.2-1.
- All review records must be written in AGL Jira.
- V2.2-2 Review the assessment result
- The selected OSS must meet the assessment criteria.
- Risk information for the selected OSS must be provided. It should be updated during the detailed design phase.
- All review records must be written in AGL Jira.
- V2.2-3 Review the test .X2.2-1 Completed review
Selected OSS have test suite that fit the use case is available.
and/or the test cases is defined based on the defined use case.
- The performance requirements in the reference environment must be specified.
- ex. AES encryption processing : more than 10 MByte/sec in R-Car M3.
Exit Criteria
- All review records must be written in AGL Jira.
Exit Criteria
- X2.2-1 Completed review and accepted the documents for software component.
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- D2.2-1 The software component use case diagram and description is published in AGL confluence.
- D2.2-2 Assessment documents published in AGL confluence.
- D2.2-4 All review record is published in AGL jirraJira.
3. Detail Design and Code Development/Certification for existing OSS
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- T3.1-1 Create source code
- That source code must be able to cross building
- If that code include assembler code, must include generic implementation code for other architecture.
- That source code must conform to the AGL coding rules.
- AGL must define coding rule. Coding rule is refer to systemd Coding Style.
- External interface spec shall describe by standard format of the method in that source code.
- ex. In case of C functional interface should be use doxygen.
- Internal interface spec should describe by standard format of the method in that source code.
- That source code must be able to cross building
- T3.1-2 Scan developed code using static analysis tool, findings from tools should be fixed.
- When static analysis tool detected "Must Fix" error, developer must fix this error.
- When static analysis tool detected "Need Evidence" error, developer must create "no problem evidence".
- Static analysis tools are subject to many miss detection. Developers need to show that it is miss detection.
- T3.1-3 Check for coding rules by static analysis tools
- Code developed in AGL must conform to the AGL coding rules.
- AGL coding rule is refer to systemd Coding Style.
- T3.1-4 Create release note
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- V3.1-1 Review the detail design and source code
- Two or more reviewers must approve this design.
- Two or more reviewers must approve this source code.
- All review records must be written in AGL Jira.
- V3.1-2 Review the assessment result
- The selected OSS must meet the assessment criteria.
- Risk information for the selected OSS must be provided. It should be updated during the detailed design phase.
- Asses to static analysis result and "no problem evidence".
- That evidence must be written in AGL static analysis infrastructure.
- All review records must be written in AGL Jira.
- V3.1-3 Review the test .
Selected OSS have That code need to include test suite that . It need to fit the use case is available.
and/or the test cases is defined based on the defined use case.
- The performance requirements in the reference environment must be specified.ex. AES encryption processing : more than 10 MByte/sec in R-Car M3
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- It does not have to be in sync on a per-commit basis at all times.
- All review records must be written in AGL Jira.
Exit Criteria
- X2X3.21-1 Completed review and accepted the documents for software component.
- X3.1-2 Completed code development.
- X3.1-2 Completed Yocto recipe development.
Deliverable
- D2D3.21-1 The software component use case diagram and description is published in AGL confluence.
- D2D3.21-2 Assessment documents published in AGL confluence.
- D2D3.21-4 All 3 All review record is published in AGL jirraJira.
3.2 Certification and importing for existing OSS
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- T3.2-1 Assessment for the change logs (release note, commit log , etc.)
- In initial phase, should update existing OSS frequently. In late phase and maintenance phase, should not update existing OSS frequently excluding to security fix and critical bug fix.
- Shall check to change log, because we need to judge "this change is need in this phase?".
- Create or update to the document of assessment results.
- T3.2-2 Source code check by static analysis tools
- Must check to source code using static analysis tool.
- When static analysis tool detected "Must Fix" error, that OSS must not use.
- When static analysis tool detected "Check by AGL" error, that OSS code must check and judge by AGL community before than adopting this OSS.
- When static analysis tool detected "Check by User" error, developer shall create error report only. AGL community provide risk information for that OSS to user.
- Checker rule as a follow:
- https://confluencelf-automotivelinux.automotivelinuxatlassian.orgnet/wiki/download/attachments/2696822917990946/clang_code_checker.xlsx?api=v2
- Must check to source code using static analysis tool.
- T3.2-3 Check for Software interface specification
- Check the source code and library software interface specifications provided by OSS.
- The important point is to check compatibility from previous version. When current phase is after M3-1, must not change to incompatible version.Create the document of check results or write in the release note.
- Create the document of check results or write in the release note.
Verification
- V3.2-1 Review the assessment result
- Two or more reviewers must approve this assessment.
- That evidence must be written in AGL static analysis infrastructure.
- All review records must be written in AGL Jira.
- Two or more reviewers must approve this assessment.
- V3.2-2 Review the test
- All review records must be written in AGL Jira.
Exit Criteria
- X3.2-1 Completed review and accepted the documents.
- X3.2-2 Completed code development.
- X3.2-2 Completed Yocto recipe development.
Deliverable
- D3.2-1 The document of assessment results.
- D3.2-2 New or updated Yocto recipe
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