kea-lifecycle 0.1.0

buildpack lifecycle
Documentation 
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use super::error::{LauncherError, Result};
use super::metadata::{Buildpack, Metadata};
use crate::buildpack::args::DepreciationMode;
use crate::buildpack::{APIs, Version};

pub fn verify_buildpack_apis(md: &Metadata, apis: &APIs, dep_mode: DepreciationMode) -> Result<()> {
    for bp in &md.buildpacks {
        verify_buiildpack_api(bp, apis, dep_mode)?;
    }
    Ok(())
}

pub fn verify_buiildpack_api(
    bp: &Buildpack,
    apis: &APIs,
    dep_mode: DepreciationMode,
) -> Result<()> {
    if !apis.is_supported(bp.api) {
        return Err(LauncherError::UnsupportedBuildpackApi(bp.api));
    }
    if apis.is_depreciated(bp.api) {
        match dep_mode {
            DepreciationMode::Quiet => {}
            DepreciationMode::Warn => {
                log::warn!(
                    "Depreciated buildpack api ({:?}) has been requested.",
                    bp.api
                )
            }
            DepreciationMode::Error => {
                log::error!("Depreciated buildpack api requested ({:?}", bp.api);
                log::error!("Depreciated apis are disabled.");
                return Err(LauncherError::DepreciatedBuildpackApi(bp.api));
            }
        }
    }
    Ok(())
}

pub fn verify_platform_api(
    platform_version: Version,
    apis: &APIs,
    dep_mode: DepreciationMode,
) -> Result<()> {
    if !apis.is_supported(platform_version) {
        return Err(LauncherError::UnsupportedPlatformApi(platform_version));
    }
    if apis.is_depreciated(platform_version) {
        match dep_mode {
            DepreciationMode::Quiet => {}
            DepreciationMode::Warn => {
                log::warn!(
                    "Depreciated platform api ({:?}) has been requested.",
                    platform_version
                )
            }
            DepreciationMode::Error => {
                log::error!("Depreciated platform api requested ({:?}", platform_version);
                log::error!("Depreciated apis are disabled.");
                return Err(LauncherError::DepreciatedBuildpackApi(platform_version));
            }
        }
    }
    Ok(())
}