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feat: add etcd resource [PIPE-971] (#440)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,13 @@ | ||
| package etcd | ||
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| type Opt func(*Config) | ||
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| func WithTag(tag string) Opt { | ||
| return func(c *Config) { | ||
| c.Tag = tag | ||
| } | ||
| } | ||
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| type Config struct { | ||
| Tag string | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| package etcd | ||
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| import ( | ||
| "fmt" | ||
| "strconv" | ||
| "time" | ||
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| "github.com/ory/dockertest/v3" | ||
| etcd "go.etcd.io/etcd/client/v3" | ||
| "google.golang.org/grpc" | ||
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| "github.com/rudderlabs/rudder-go-kit/testhelper/docker/resource" | ||
| ) | ||
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| type Resource struct { | ||
| Client *etcd.Client | ||
| Hosts []string | ||
| Port int | ||
| } | ||
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| func Setup(pool *dockertest.Pool, cln resource.Cleaner) (*Resource, error) { | ||
| etcdImage := "bitnami/etcd" | ||
| container, err := pool.Run(etcdImage, "3.5", []string{ | ||
| "ALLOW_NONE_AUTHENTICATION=yes", | ||
| }) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("could not create container: %v", err) | ||
| } | ||
| cln.Cleanup(func() { | ||
| if err := pool.Purge(container); err != nil { | ||
| cln.Log(fmt.Errorf("could not purge ETCD resource: %v", err)) | ||
| } | ||
| }) | ||
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| var ( | ||
| etcdClient *etcd.Client | ||
| etcdHosts []string | ||
| etcdPort int | ||
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| etcdPortStr = container.GetPort("2379/tcp") | ||
| ) | ||
| etcdPort, err = strconv.Atoi(etcdPortStr) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("could not convert port %q to int: %v", etcdPortStr, err) | ||
| } | ||
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| etcdHosts = []string{"http://localhost:" + etcdPortStr} | ||
| err = pool.Retry(func() (err error) { | ||
| etcdClient, err = etcd.New(etcd.Config{ | ||
| Endpoints: etcdHosts, | ||
| DialOptions: []grpc.DialOption{ | ||
| grpc.WithBlock(), // block until the underlying connection is up | ||
| }, | ||
| DialTimeout: 10 * time.Second, | ||
| }) | ||
| return err | ||
| }) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("could not connect to dockerized ETCD: %v", err) | ||
| } | ||
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| return &Resource{ | ||
| Client: etcdClient, | ||
| Hosts: etcdHosts, | ||
| Port: etcdPort, | ||
| }, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,35 @@ | ||
| package etcd | ||
|
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| import ( | ||
| "context" | ||
| "testing" | ||
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| "github.com/ory/dockertest/v3" | ||
| "github.com/stretchr/testify/require" | ||
| ) | ||
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| const ( | ||
| dummyKey = "dummyKey" | ||
| dummyValue = "dummyValue" | ||
| ) | ||
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| func TestETCD(t *testing.T) { | ||
| pool, err := dockertest.NewPool("") | ||
| require.NoError(t, err) | ||
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| etcdRes, err := Setup(pool, t) | ||
| require.NoError(t, err) | ||
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| getResp, err := etcdRes.Client.Get(context.Background(), dummyKey) // no value should be present during start | ||
| require.NoError(t, err) | ||
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| require.Zero(t, getResp.Kvs) | ||
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| _, err = etcdRes.Client.Put(context.Background(), dummyKey, dummyValue) // put value in to dummyKey | ||
| require.NoError(t, err) | ||
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| getResp, err = etcdRes.Client.Get(context.Background(), dummyKey) // check value in dummyKey | ||
| require.NoError(t, err) | ||
| require.Len(t, getResp.Kvs, 1) | ||
| require.Equal(t, string(getResp.Kvs[0].Value), dummyValue) | ||
| } |