const getNodesByType = function(nodes = {}, type) { return Object.values(nodes).filter(item => item.Type === type); }; const findResolver = function(resolvers, service, nspace = 'default', dc) { if (typeof resolvers[service] === 'undefined') { resolvers[service] = { ID: `${service}.${nspace}.${dc}`, Name: service, Children: [], }; } return resolvers[service]; }; export const getAlternateServices = function(targets, a) { let type; const Targets = targets.map(function(b) { // TODO: this isn't going to work past namespace for services // with dots in the name, but by the time that becomes an issue // we might have more data from the endpoint so we don't have to guess // right now the backend also doesn't support dots in service names const [aRev, bRev] = [a, b].map(item => item.split('.').reverse()); const types = ['Datacenter', 'Namespace', 'Service', 'Subset']; return bRev.find(function(item, i) { const res = item !== aRev[i]; if (res) { type = types[i]; } return res; }); }); return { Type: type, Targets: Targets, }; }; export const getSplitters = function(nodes) { return getNodesByType(nodes, 'splitter').map(function(item) { // Splitters need IDs adding so we can find them in the DOM later // splitters have a service.nspace as a name // do the reverse dance to ensure we don't mess up any // serivice names with dots in them const temp = item.Name.split('.'); temp.reverse(); temp.shift(); temp.reverse(); return { ...item, ID: `splitter:${item.Name}`, Name: temp.join('.'), }; }); }; export const getRoutes = function(nodes, uid) { return getNodesByType(nodes, 'router').reduce(function(prev, item) { return prev.concat( item.Routes.map(function(route, i) { // Routes also have IDs added via createRoute return createRoute(route, item.Name, uid); }) ); }, []); }; export const getResolvers = function(dc, nspace = 'default', targets = {}, nodes = {}) { const resolvers = {}; // make all our resolver nodes Object.values(nodes) .filter(item => item.Type === 'resolver') .forEach(function(item) { const parts = item.Name.split('.'); let subset; // this will leave behind the service.name.nspace.dc even if the service name contains a dot if (parts.length > 3) { subset = parts.shift(); } parts.reverse(); // slice off from dc.nspace onwards leaving the potentially dot containing service name // const nodeDc = parts.shift(); // const nodeNspace = parts.shift(); // if it does contain a dot put it back to the correct order parts.reverse(); const service = parts.join('.'); const resolver = findResolver(resolvers, service, nspace, dc); let failovers; if (typeof item.Resolver.Failover !== 'undefined') { // figure out what type of failover this is failovers = getAlternateServices(item.Resolver.Failover.Targets, item.Name); } if (subset) { const child = { Subset: true, ID: item.Name, Name: subset, }; if (typeof failovers !== 'undefined') { child.Failover = failovers; } resolver.Children.push(child); } else { if (typeof failovers !== 'undefined') { resolver.Failover = failovers; } } }); Object.values(targets).forEach(target => { // Failovers don't have a specific node if (typeof nodes[`resolver:${target.ID}`] !== 'undefined') { // We use this to figure out whether this target is a redirect target const alternate = getAlternateServices([target.ID], `service.${nspace}.${dc}`); // as Failovers don't make it here, we know anything that has alternateServices // must be a redirect if (alternate.Type !== 'Service') { // find the already created resolver const resolver = findResolver(resolvers, target.Service, nspace, dc); // and add the redirect as a child, redirects are always children const child = { Redirect: true, ID: target.ID, Name: target[alternate.Type], }; // redirects can then also have failovers // so it this one does, figure out what type they are and add them // to the redirect if (typeof nodes[`resolver:${target.ID}`].Resolver.Failover !== 'undefined') { child.Failover = getAlternateServices( nodes[`resolver:${target.ID}`].Resolver.Failover.Targets, target.ID ); } resolver.Children.push(child); } } }); return Object.values(resolvers); }; export const createRoute = function(route, router, uid) { return { ...route, Default: typeof route.Definition.Match === 'undefined', ID: `route:${router}-${uid(route.Definition)}`, }; };