AssignImageData assign image url data into match data matchData: image=>absolute-path repo=>absolute-path tag=>absolute-path return: absolute-image-path=>image-value absolute-repo-path=>repo-value absolute-tag-path=>tag-value.

ExtractImageName extract image name from total image uri.

GeneImageURI generate valid image uri, legal formats: {repo} {repo}/{image} {repo}/{image}:{tag} {repo}:{tag} {image}:{tag} {image}.

GenerateServiceNextRevision is used to generate the next revision of the service.

GetReleaseNameToServiceNameMap generates mapping relationship: releaseName=>serviceName.

GetServiceNameToReleaseNameMap generates mapping relationship: serviceName=>releaseName.

ParseImagesByPresetRules parse images from flat yaml map with preset rules.

ParseImagesForProductService for product service.

@fixme MAY NOT support multi variableYamls, need to check won't return error if template key is missing values.

@fixme MAY NOT support multi variableYamls, need to check will return error if template key is missing values.

ReplaceImage replace image defines in yaml by new version.