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https://github.com/fnproject/fn.git
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3ebff051a4
Vast commit, includes: * Introduces the Trigger domain entity. * Introduces the Fns domain entity. * V2 of the API for interacting with the new entities in swaggerv2.yml * Adds v2 end points for Apps to support PUT updates. * Rewrites the datastore level tests into a new pattern. * V2 routes use entity ID over name as the path parameter.
52 lines
1.4 KiB
Go
52 lines
1.4 KiB
Go
package datastore
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import (
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"context"
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"net/url"
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"fmt"
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"github.com/fnproject/fn/api/common"
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"github.com/fnproject/fn/api/datastore/internal/datastoreutil"
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"github.com/fnproject/fn/api/models"
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"github.com/sirupsen/logrus"
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)
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// New creates a DataStore from the specified URL
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func New(ctx context.Context, dbURL string) (models.Datastore, error) {
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log := common.Logger(ctx)
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u, err := url.Parse(dbURL)
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if err != nil {
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log.WithError(err).WithFields(logrus.Fields{"url": dbURL}).Fatal("bad DB URL")
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}
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log.WithFields(logrus.Fields{"db": u.Scheme}).Debug("creating new datastore")
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for _, provider := range providers {
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if provider.Supports(u) {
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return provider.New(ctx, u)
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}
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}
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return nil, fmt.Errorf("no data store provider found for storage url %s", u)
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}
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func Wrap(ds models.Datastore) models.Datastore {
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return datastoreutil.MetricDS(datastoreutil.NewValidator(ds))
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}
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// Provider is a datastore provider
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type Provider interface {
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fmt.Stringer
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// Supports indicates if this provider can handle a given data store.
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Supports(url *url.URL) bool
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// New creates a new data store from the specified URL
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New(ctx context.Context, url *url.URL) (models.Datastore, error)
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}
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var providers []Provider
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// AddProvider globally registers a data store provider
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func AddProvider(provider Provider) {
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logrus.Infof("Adding DataStore provider %s", provider)
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providers = append(providers, provider)
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}
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