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Create Repositories method

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This change removes the Catalog Service and replaces it with a more
simplistic Repositories() method for obtaining a catalog of all
repositories.  The Repositories method takes a pre-allocated slice
and fills it up to the size of the slice and returns the amount
filled.  The catalog is returned lexicographically and will start
being filled from the last entry passed to Repositories().  If there
are no more entries to fill, io.EOF will be returned.

Signed-off-by: Patrick Devine <patrick.devine@docker.com>

Conflicts:
	registry/client/repository.go
	registry/handlers/api_test.go
This commit is contained in:
Patrick Devine 2015-07-17 11:42:47 -07:00
parent 74563efe98
commit b7e26bac74
10 changed files with 251 additions and 145 deletions
Download patch file Download diff file Expand all files Collapse all files

71
registry/client/repository_test.go
View file

@ -5,6 +5,7 @@ import (
"crypto/rand"
"encoding/json"
"fmt"
"io"
"log"
"net/http"
"net/http/httptest"
@ -78,19 +79,24 @@ func addTestFetch(repo string, dgst digest.Digest, content []byte, m *testutil.R
})
}
func addTestCatalog(content []byte, m *testutil.RequestResponseMap) {
func addTestCatalog(route string, content []byte, link string, m *testutil.RequestResponseMap) {
headers := map[string][]string{
"Content-Length": {strconv.Itoa(len(content))},
"Content-Type": {"application/json; charset=utf-8"},
}
if link != "" {
headers["Link"] = append(headers["Link"], link)
}
*m = append(*m, testutil.RequestResponseMapping{
Request: testutil.Request{
Method: "GET",
Route: "/v2/_catalog",
Route: route,
},
Response: testutil.Response{
StatusCode: http.StatusOK,
Body: content,
Headers: http.Header(map[string][]string{
"Content-Length": {strconv.Itoa(len(content))},
"Content-Type": {"application/json; charset=utf-8"},
}),
Headers: http.Header(headers),
},
})
}
@ -753,23 +759,58 @@ func TestManifestUnauthorized(t *testing.T) {
func TestCatalog(t *testing.T) {
var m testutil.RequestResponseMap
addTestCatalog([]byte("{\"repositories\":[\"foo\", \"bar\", \"baz\"]}"), &m)
addTestCatalog(
"/v2/_catalog?n=5",
[]byte("{\"repositories\":[\"foo\", \"bar\", \"baz\"]}"), "", &m)
e, c := testServer(m)
defer c()
entries := make([]string, 5)
ctx := context.Background()
ctlg, err := NewCatalog(ctx, e, nil)
if err != nil {
numFilled, err := Repositories(ctx, e, entries, "", nil)
if err != io.EOF {
t.Fatal(err)
}
repos, _, err := ctlg.Get(0, "")
if err != nil {
t.Fatal(err)
}
if len(repos) != 3 {
if numFilled != 3 {
t.Fatalf("Got wrong number of repos")
}
}
func TestCatalogInParts(t *testing.T) {
var m testutil.RequestResponseMap
addTestCatalog(
"/v2/_catalog?n=2",
[]byte("{\"repositories\":[\"bar\", \"baz\"]}"),
"</v2/_catalog?last=baz&n=2>", &m)
addTestCatalog(
"/v2/_catalog?last=baz&n=2",
[]byte("{\"repositories\":[\"foo\"]}"),
"", &m)
e, c := testServer(m)
defer c()
entries := make([]string, 2)
ctx := context.Background()
numFilled, err := Repositories(ctx, e, entries, "", nil)
if err != nil {
t.Fatal(err)
}
if numFilled != 2 {
t.Fatalf("Got wrong number of repos")
}
numFilled, err = Repositories(ctx, e, entries, "baz", nil)
if err != io.EOF {
t.Fatal(err)
}
if numFilled != 1 {
t.Fatalf("Got wrong number of repos")
}
}