// Test all phases from a domain lyfe cycle, but now working with a group of domains
func domainsLifeCycle(domainDAO dao.DomainDAO) {
domains := newDomains()
// Create domains
domainResults := domainDAO.SaveMany(domains)
for _, domainResult := range domainResults {
if domainResult.Error != nil {
utils.Fatalln(fmt.Sprintf("Couldn't save domain %s in database",
domainResult.Domain.FQDN), domainResult.Error)
}
}
for _, domain := range domains {
// Search and compare created domains
if domainRetrieved, err := domainDAO.FindByFQDN(domain.FQDN); err != nil {
utils.Fatalln(fmt.Sprintf("Couldn't find created domain %s in database", domain.FQDN), err)
} else if !utils.CompareDomain(*domain, domainRetrieved) {
utils.Fatalln(fmt.Sprintf("Domain %s created is being persisted wrongly", domain.FQDN), nil)
}
}
// Update domains
for _, domain := range domains {
domain.Owners = []model.Owner{}
}
domainResults = domainDAO.SaveMany(domains)
for _, domainResult := range domainResults {
if domainResult.Error != nil {
utils.Fatalln(fmt.Sprintf("Couldn't update domain %s in database",
domainResult.Domain.FQDN), domainResult.Error)
}
}
for _, domain := range domains {
// Search and compare updated domains
if domainRetrieved, err := domainDAO.FindByFQDN(domain.FQDN); err != nil {
utils.Fatalln(fmt.Sprintf("Couldn't find updated domain %s in database", domain.FQDN), err)
} else if !utils.CompareDomain(*domain, domainRetrieved) {
utils.Fatalln(fmt.Sprintf("Domain %s updated in being persisted wrongly", domain.FQDN), nil)
}
}
// Check if find all really return all domains
allDomainsChannel, err := domainDAO.FindAllAsync()
if err != nil {
utils.Fatalln("Error while retrieving all domains from database", err)
}
var allDomains []model.Domain
for {
domainRetrieved := <-allDomainsChannel
if domainRetrieved.Error != nil {
utils.Fatalln("Error while retrieving all domains from database", err)
} else if domainRetrieved.Domain == nil {
break
}
allDomains = append(allDomains, *domainRetrieved.Domain)
}
if len(allDomains) != len(domains) {
utils.Fatalln(fmt.Sprintf("FindAll method is not returning all domains we expected %d but got %d",
len(domains), len(allDomains)), nil)
}
// Detected a problem in FindAsync method on 2014-01-17 where we were returning the same
// object many times because we were reusing the same pointer. For that reason we are
// going to add a test to check if the items returned are the same set of the inserted
// ones
for _, domain := range domains {
found := false
for _, domainRetrieved := range allDomains {
if domainRetrieved.Id.Hex() == domain.Id.Hex() {
found = true
break
}
}
if !found {
utils.Fatalln("FindAll method is not returning all objects "+
"that were inserted, apparently there are duplicated objects in the result set", nil)
}
}
// Remove domains
domainResults = domainDAO.RemoveMany(domains)
for _, domainResult := range domainResults {
if domainResult.Error != nil {
utils.Fatalln(fmt.Sprintf("Error while trying to remove domain %s from database",
domainResult.Domain.FQDN), domainResult.Error)
}
}
for _, domain := range domains {
// Check removals
if _, err := domainDAO.FindByFQDN(domain.FQDN); err == nil {
utils.Fatalln(fmt.Sprintf("Domain %s was not removed from database", domain.FQDN), nil)
}
}
// Let's add and remove the domains again to test the remove all method
domainResults = domainDAO.SaveMany(domains)
for _, domainResult := range domainResults {
if domainResult.Error != nil {
utils.Fatalln(fmt.Sprintf("Couldn't save domain %s in database",
domainResult.Domain.FQDN), domainResult.Error)
}
}
if err := domainDAO.RemoveAll(); err != nil {
utils.Fatalln("Couldn't remove all domains", err)
}
allDomainsChannel, err = domainDAO.FindAllAsync()
if err != nil {
utils.Fatalln("Error while retrieving all domains from database", err)
}
allDomains = []model.Domain{}
for {
domainRetrieved := <-allDomainsChannel
if domainRetrieved.Error != nil {
utils.Fatalln("Error while retrieving all domains from database", err)
} else if domainRetrieved.Domain == nil {
break
}
allDomains = append(allDomains, *domainRetrieved.Domain)
}
if len(allDomains) > 0 {
utils.Fatalln("RemoveAll method is not removing the domains from the database", nil)
}
}
// Method that starts the injector job, retrieving the data from the database and adding
// the same data into a channel for a querier start sending DNS requests. There are two
// parameters, one to control the scan go routines and sinalize to the main thread the
// end, and other to define a channel to report errors while loading the data. This method
// is asynchronous and will finish sending a poison pill (error or nil domain) to indicate
// to the querier that there are no more domains
func (i *Injector) Start(scanGroup *sync.WaitGroup, errorsChannel chan error) chan *model.Domain {
// Create the output channel where we are going to add the domains retrieved from the
// database for the querier
domainsToQueryChannel := make(chan *model.Domain, i.DomainsBufferSize)
// Add one more to the group of scan go routines
scanGroup.Add(1)
go func() {
// Initialize Domain DAO using injected database connection
domainDAO := dao.DomainDAO{
Database: i.Database,
}
// Load all domains from database to begin the scan
domainChannel, err := domainDAO.FindAllAsync()
// Low level error was detected. No domain was processed yet, but we still need to
// shutdown the querier and by consequence the collector, so we send back the error
// and add the poison pill
if err != nil {
errorsChannel <- err
domainsToQueryChannel <- nil
// Tells the scan information structure that the injector is done
model.FinishLoadingDomainsForScan()
scanGroup.Done()
return
}
// Dispatch the asynchronous part of the method
for {
// Get domain from the database (one-by-one)
domainResult := <-domainChannel
// Send back the error to the caller thread. We don't log the error here directly
// into the log interface because sometimes we want to do something when an error
// occurs, like in a test enviroment
if domainResult.Error != nil {
errorsChannel <- domainResult.Error
}
// Problem detected while retrieving a domain or we don't have domains anymore, send
// the poison pill to alert the querier
if domainResult.Error != nil || domainResult.Domain == nil {
domainsToQueryChannel <- nil
// Tells the scan information structure that the injector is done
model.FinishLoadingDomainsForScan()
scanGroup.Done()
return
}
// The logic that decides if a domain is going to be a part of this scan or not is
// inside the domain object for better unit testing
if domainResult.Domain.ShouldBeScanned(i.MaxOKVerificationDays,
i.MaxErrorVerificationDays, i.MaxExpirationAlertDays) {
// Send to the querier
domainsToQueryChannel <- domainResult.Domain
// Count domain for the scan information to estimate the scan progress
model.LoadedDomainForScan()
}
}
}()
return domainsToQueryChannel
}