grafana/apps/provisioning/pkg/repository/workflows.go

75 lines
2.3 KiB
Go

package repository
import (
"strings"
apierrors "k8s.io/apimachinery/pkg/api/errors"
provisioning "github.com/grafana/grafana/apps/provisioning/pkg/apis/provisioning/v0alpha1"
"github.com/grafana/grafana/apps/provisioning/pkg/safepath"
)
func IsWriteAllowed(repo *provisioning.Repository, ref string) error {
if len(repo.Spec.Workflows) == 0 {
return apierrors.NewBadRequest("this repository is read only")
}
var supportsWrite, supportsBranch bool
for _, v := range repo.Spec.Workflows {
switch v {
case provisioning.WriteWorkflow:
supportsWrite = true
case provisioning.BranchWorkflow:
supportsBranch = repo.Spec.Type.IsGit()
}
}
// Ref may be the configured branch for github repositories
if ref != "" && repo.Spec.GitHub != nil && repo.Spec.GitHub.Branch == ref {
ref = ""
}
// Ref may be the configured branch for git repositories
if ref != "" && repo.Spec.Git != nil && repo.Spec.Git.Branch == ref {
ref = ""
}
switch {
case ref == "" && !supportsWrite:
return apierrors.NewBadRequest("this repository does not support the write workflow")
case ref != "" && !supportsBranch:
return apierrors.NewBadRequest("this repository does not support the branch workflow")
default:
return nil
}
}
// CanUseIncrementalSync checks if an incremental sync can be performed or if a full sync is needed,
// given a list of deleted file paths. It will return true if a .keep file is deleted without
// other files being deleted in the same directory. This is because the folder will not be a part of the
// deleted files, and the .keep file is not a resource in grafana, so we can't get the folder uid.
// A full sync will clean that up.
func CanUseIncrementalSync(deletedPaths []string) bool {
dirsWithKeepDeletes := make(map[string]struct{})
dirsWithOtherDeletes := make(map[string]struct{})
for _, path := range deletedPaths {
dir := safepath.Dir(path)
if strings.HasSuffix(path, ".keep") {
dirsWithKeepDeletes[dir] = struct{}{}
} else {
dirsWithOtherDeletes[dir] = struct{}{}
}
}
// if there are any .keep files deleted that don't have other files deleted in the same folder,
// we need to do a full sync
for dir := range dirsWithKeepDeletes {
if _, exists := dirsWithOtherDeletes[dir]; !exists {
return false
}
}
return true
}