# Overview of Build and Mixins

* Build can be used standalone
* Mixin can be added to Build

```mermaid
classDiagram
    class DevopsBuild {
        name()
        build_path()
        initialize_build_dir()
    }


    class DevopsTerraformBuild {
        terraform_build_commons_path()
        project_vars()
        copy_build_resource_file_from_package(name)
        copy_build_resources_from_package()
        copy_build_resources_from_dir()
        copy_local_state()
        rescue_local_state()
        initialize_build_dir()
        post_build()
        init_client()
        write_output(terraform)
        read_output_json()
        plan()
        plan_fail_on_diff()
        apply(auto_approve=False)
        refresh()
        destroy(auto_approve=False)
        tf_import(tf_import_name, tf_import_resource,)
        print_terraform_command(terraform)
    }

    class HetznerMixin {
        // HetznerMixin -> HetznerTerraformBuild
        project_vars()
        copy_build_resources_from_package()
    }

    class ExoscaleMixin {
        // ExoscaleMixin -> ExoscaleTerraformBuild
        project_vars()
        copy_build_resources_from_package()
    }

    class AwsBackendPropertiesMixin {
        def project_vars()
        copy_build_resources_from_package()
        init_client()
    }

    class DigitaloceanBackendPropertiesMixin {
        project_vars(self)
        copy_build_resources_from_package(self)
        init_client(self)
    }

    class DevopsImageBuild {
        def initialize_build_dir()
        image()
        drun()
        dockerhub_login()
        dockerhub_publish()
        test()
    }

    class ReleaseMixin {
        prepare_release()
        tag_and_push_release()
    }
    
    class ProvsK3sMixin {
        // ProvsK3sMixin -> ProvsK3sBuild
        def update_runtime_config(fqdn, ipv4, ipv6=None)
        write_provs_config()
        provs_apply(dry_run=False)
    }

    class C4kMixin {
        // C4kMixin -> C4k
        def write_c4k_config()
        def write_c4k_auth()
        c4k_apply(dry_run=False)
    }

    DevopsBuild <|-- DevopsImageBuild
    DevopsBuild <|-- DevopsTerraformBuild
    DevopsBuild <|-- AwsRdsPgMixin
    DevopsBuild <|-- ReleaseMixin

    DevopsTerraformBuild <|-- AwsBackendPropertiesMixin
    DevopsTerraformBuild <|-- DigitaloceanTerraformBuild
    DevopsTerraformBuild <|--ExoscaleMixin
    DevopsTerraformBuild <|--HetznerMixin
    DevopsBuild <|-- ProvsK3sMixin
    DigitaloceanTerraformBuild <|-- DigitaloceanBackendPropertiesMixin
    AwsBackendPropertiesMixin <|-- AwsMfaMixin

    DevopsBuild <|-- C4kMixin

```