shoebill/internal/controller/controller.go
2023-08-02 17:00:34 +02:00

133 lines
3.3 KiB
Go

package controller
import (
"fmt"
"git.badhouseplants.net/allanger/shoebill/internal/config"
"git.badhouseplants.net/allanger/shoebill/internal/config/release"
"git.badhouseplants.net/allanger/shoebill/internal/lockfile"
"git.badhouseplants.net/allanger/shoebill/internal/providers"
"git.badhouseplants.net/allanger/shoebill/internal/utils/diff"
"git.badhouseplants.net/allanger/shoebill/internal/utils/githelper"
"git.badhouseplants.net/allanger/shoebill/internal/utils/helmhelper"
"git.badhouseplants.net/allanger/shoebill/internal/utils/kustomize"
"git.badhouseplants.net/allanger/shoebill/internal/utils/workdir"
)
func ReadTheConfig(path string) (*config.Config, error) {
conf, err := config.NewConfigFromFile(path)
if err != nil {
return nil, err
}
return conf, nil
}
/*
* First it must prepare the workdir
* It must create a directorry and clone all the repos that are listed in the config
*/
func Reconcile(workdirPath, sshKeyPath string, conf *config.Config, dry bool) error {
dir, err := workdir.CreateWorkdir(workdirPath)
if err != nil {
return err
}
for _, repository := range conf.Repositories {
if err := repository.ValidateURL(); err != nil {
return err
}
if err := repository.KindFromUrl(); err != nil {
return err
}
}
gh := githelper.NewGit(sshKeyPath)
for _, cluster := range conf.Clusters {
/*
* 1. Clone the cluster repo
* 2. Check if repo is already configured
* Yes -> Bootsrap the repo if it's not configured
* - Create the lockfile
* - ...
* No -> Get the current state
* 3. Turn the config file into the lockfile format and compare the actual to the desired
*/
fullPath := fmt.Sprintf("%s/%s", dir, cluster.Name)
provider, err := providers.NewProvider(cluster.Provider, fullPath, gh)
if err != nil {
return err
}
if err := cluster.CloneRepo(gh, fullPath, dry); err != nil {
return err
}
err = cluster.BootstrapRepo(gh, fullPath, dry)
if err != nil {
return err
}
lockfileData, err := lockfile.NewFromFile(fullPath)
if err != nil {
return err
}
reposExisting, err := lockfileData.ReposFromLockfile()
if err != nil {
return err
}
if err := conf.Releases.PopulateRepositories(conf.Repositories); err != nil {
return err
}
hh := helmhelper.NewHelm()
for _, release := range conf.Releases {
err := release.VersionHandler(workdirPath, hh)
if err != nil {
return err
}
}
rsObj := release.FindReleaseByNames(cluster.Releases, conf.Releases)
cluster.PopulateReleases(rsObj)
releasesCurrent, err := release.ReleasesFromLockfile(lockfileData, conf.Repositories)
if err != nil {
return err
}
diffRls, err := diff.DiffReleases(releasesCurrent, cluster.ReleasesObj)
if err != nil {
return err
}
lockfile, err := diffRls.Resolve(reposExisting, fullPath)
if err != nil {
return err
}
if err := provider.SyncState(*diffRls); err != nil {
return err
}
if err := kustomize.Generate(fullPath, gh); err != nil {
return err
}
if err := lockfile.WriteToFile(fullPath); err != nil {
return err
}
if err := gh.AddAllAndCommit(fullPath, "Update the lockfile"); err != nil {
return err
}
if !dry {
if err := gh.Push(fullPath); err != nil {
return err
}
}
}
if !dry {
if err := workdir.RemoveWorkdir(dir); err != nil {
return err
}
}
return nil
}