71 lines
2.0 KiB
Go
71 lines
2.0 KiB
Go
package provision
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import (
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"context"
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"github.com/cortezaproject/corteza-server/pkg/rbac"
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"path/filepath"
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"strings"
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"github.com/cortezaproject/corteza-server/pkg/envoy"
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"github.com/cortezaproject/corteza-server/pkg/envoy/directory"
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"github.com/cortezaproject/corteza-server/pkg/envoy/resource"
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es "github.com/cortezaproject/corteza-server/pkg/envoy/store"
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"github.com/cortezaproject/corteza-server/pkg/envoy/yaml"
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"github.com/cortezaproject/corteza-server/store"
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"go.uber.org/zap"
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)
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// imports configuration files from path(s)
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//
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// paths can be colon delimited list of absolute or relative paths and/or with glob pattern
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func importConfig(ctx context.Context, log *zap.Logger, s store.Storer, paths string) error {
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if can, err := canImportConfig(ctx, s); !can || err != nil {
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log.Info("config import skipped, already provisioned")
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return err
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}
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var (
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yd = yaml.Decoder()
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nn = make([]resource.Interface, 0, 200)
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se = es.NewStoreEncoder(s, &es.EncoderConfig{OnExisting: resource.MergeLeft})
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bld = envoy.NewBuilder(se)
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sources = make([]string, 0, 16)
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)
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log.Info("importing config", zap.String("paths", paths))
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// verify all paths before doing the actual import
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for _, path := range strings.Split(paths, ":") {
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if aux, err := filepath.Glob(path); err != nil {
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return err
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} else {
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sources = append(sources, aux...)
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}
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}
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for _, path := range sources {
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log.Info("provisioning from path", zap.String("path", path))
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if mm, err := directory.Decode(ctx, path, yd); err != nil {
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return err
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} else {
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nn = append(nn, mm...)
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}
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}
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if g, err := bld.Build(ctx, nn...); err != nil {
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return err
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} else if err = envoy.Encode(ctx, g, se); err != nil {
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return err
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}
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return nil
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}
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// canImportConfig checks state of the store and
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// verifies if Corteza should be provisioned (ie config should be imported)
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func canImportConfig(ctx context.Context, s store.Storer) (bool, error) {
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rr, _, err := store.SearchRbacRules(ctx, s, rbac.RuleFilter{})
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return len(rr) == 0, err
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}
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