111 lines
2.8 KiB
Go
111 lines
2.8 KiB
Go
package instances
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import (
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"errors"
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"path/filepath"
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"strings"
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"github.com/FAU-CDI/wisski-distillery/pkg/stringparser"
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"github.com/alessio/shellescape"
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"github.com/tkw1536/goprogram/stream"
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)
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var errInvalidSlug = errors.New("not a valid slug")
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// Create fills the struct for a new WissKI instance.
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// It validates that slug is a valid name for an instance.
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//
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// It does not perform any checks if the instance already exists, or does the creation in the database.
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func (instances *Instances) Create(slug string) (wisski WissKI, err error) {
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wisski.instances = instances
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// make sure that the slug is valid!
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slug, err = stringparser.ParseSlug(instances.Environment, slug)
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if err != nil {
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return wisski, errInvalidSlug
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}
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wisski.Instance.Slug = slug
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wisski.Instance.FilesystemBase = filepath.Join(instances.Dir, wisski.Domain())
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wisski.Instance.OwnerEmail = ""
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wisski.Instance.AutoBlindUpdateEnabled = true
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// sql
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wisski.Instance.SqlDatabase = instances.Config.MysqlDatabasePrefix + slug
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wisski.Instance.SqlUsername = instances.Config.MysqlUserPrefix + slug
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wisski.Instance.SqlPassword, err = instances.Config.NewPassword()
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if err != nil {
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return WissKI{}, err
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}
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// triplestore
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wisski.Instance.GraphDBRepository = instances.Config.GraphDBRepoPrefix + slug
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wisski.Instance.GraphDBUsername = instances.Config.GraphDBUserPrefix + slug
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wisski.Instance.GraphDBPassword, err = instances.Config.NewPassword()
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if err != nil {
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return WissKI{}, err
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}
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// drupal
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wisski.DrupalUsername = "admin" // TODO: Change this!
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wisski.DrupalPassword, err = instances.Config.NewPassword()
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if err != nil {
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return wisski, err
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}
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// store the instance in the object and return it!
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return wisski, nil
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}
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// Provision provisions an instance, assuming that the required databases already exist.
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func (wisski *WissKI) Provision(io stream.IOStream) error {
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// build the container
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if err := wisski.Build(io, false); err != nil {
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return err
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}
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provisionParams := []string{
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wisski.Domain(),
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wisski.SqlDatabase,
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wisski.SqlUsername,
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wisski.SqlPassword,
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wisski.GraphDBRepository,
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wisski.GraphDBUsername,
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wisski.GraphDBPassword,
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wisski.DrupalUsername,
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wisski.DrupalPassword,
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"", // TODO: DrupalVersion
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"", // TODO: WissKIVersion
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}
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// escape the parameter
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for i, param := range provisionParams {
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provisionParams[i] = shellescape.Quote(param)
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}
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// figure out the provision script
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// TODO: Move the provision script into the control plane!
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provisionScript := "sudo PATH=$PATH -u www-data /bin/bash /provision_container.sh " + strings.Join(provisionParams, " ")
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code, err := wisski.Barrel().Run(io, true, "barrel", "/bin/bash", "-c", provisionScript)
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if err != nil {
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return err
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}
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if code != 0 {
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return errors.New("unable to run provision script")
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}
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return nil
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}
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