func (s *MockStore) serveInfo(w http.ResponseWriter, r *http.Request) {
if metadata := r.Header.Get("Juju-Metadata"); metadata != "" {
s.Metadata = append(s.Metadata, metadata)
logger.Infof("Juju metadata: " + metadata)
}
r.ParseForm()
if r.Form.Get("stats") == "0" {
s.InfoRequestCountNoStats += 1
} else {
s.InfoRequestCount += 1
}
response := map[string]*charm.InfoResponse{}
for _, url := range r.Form["charms"] {
cr := &charm.InfoResponse{}
response[url] = cr
charmURL, err := charm.ParseURL(url)
if err == charm.ErrUnresolvedUrl {
ref, _, err := charm.ParseReference(url)
if err != nil {
panic(err)
}
if s.DefaultSeries == "" {
panic(fmt.Errorf("mock store lacks a default series cannot resolve charm URL: %q", url))
}
charmURL = &charm.URL{Reference: ref, Series: s.DefaultSeries}
}
switch charmURL.Name {
case "borken":
cr.Errors = append(cr.Errors, "badness")
case "terracotta":
cr.Errors = append(cr.Errors, "cannot get revision")
case "unwise":
cr.Warnings = append(cr.Warnings, "foolishness")
fallthrough
default:
if rev, ok := s.charms[charmURL.WithRevision(-1).String()]; ok {
if charmURL.Revision == -1 {
cr.Revision = rev
} else {
cr.Revision = charmURL.Revision
}
cr.Sha256 = s.bundleSha256
cr.CanonicalURL = charmURL.String()
} else {
cr.Errors = append(cr.Errors, "entry not found")
}
}
}
data, err := json.Marshal(response)
if err != nil {
panic(err)
}
w.Header().Set("Content-Type", "application/json")
_, err = w.Write(data)
if err != nil {
panic(err)
}
}
func (s *StoreSuite) TestSeriesSolver(c *gc.C) {
for _, t := range seriesSolverCharms {
url := charm.MustParseURL(fmt.Sprintf("cs:%s/%s", t.series, t.name))
urls := []*charm.URL{url}
pub, err := s.store.CharmPublisher(urls, fmt.Sprintf("some-%s-%s-digest", t.series, t.name))
c.Assert(err, gc.IsNil)
c.Assert(pub.Revision(), gc.Equals, 0)
err = pub.Publish(&FakeCharmDir{})
c.Assert(err, gc.IsNil)
}
// LTS, then non-LTS, reverse alphabetical order
ref, _, err := charm.ParseReference("cs:wordpress")
c.Assert(err, gc.IsNil)
series, err := s.store.Series(ref)
c.Assert(err, gc.IsNil)
c.Assert(series, gc.HasLen, 5)
c.Check(series[0], gc.Equals, "trusty")
c.Check(series[1], gc.Equals, "precise")
c.Check(series[2], gc.Equals, "volumetric")
c.Check(series[3], gc.Equals, "quantal")
c.Check(series[4], gc.Equals, "oneiric")
// Ensure that the full charm name matches, not just prefix
ref, _, err = charm.ParseReference("cs:mysql")
c.Assert(err, gc.IsNil)
series, err = s.store.Series(ref)
c.Assert(err, gc.IsNil)
c.Assert(series, gc.HasLen, 1)
c.Check(series[0], gc.Equals, "precise")
// No LTS, reverse alphabetical order
ref, _, err = charm.ParseReference("cs:zebra")
c.Assert(err, gc.IsNil)
series, err = s.store.Series(ref)
c.Assert(err, gc.IsNil)
c.Assert(series, gc.HasLen, 2)
c.Check(series[0], gc.Equals, "zef")
c.Check(series[1], gc.Equals, "def")
}
// resolveCharmURL returns a resolved charm URL, given a charm location string.
// If the series is not resolved, the environment default-series is used, or if
// not set, the series is resolved with the state server.
func resolveCharmURL(client *api.Client, url string, defaultSeries string) (*charm.URL, error) {
ref, series, err := charm.ParseReference(url)
if err != nil {
return nil, err
}
// If series is not set, use configured default series
if series == "" {
series = defaultSeries
}
// Otherwise, look up the best supported series for this charm
if series == "" {
return client.ResolveCharm(ref)
}
return &charm.URL{Reference: ref, Series: series}, nil
}
func (s *URLSuite) TestParseUnresolved(c *gc.C) {
for _, t := range inferNoDefaultSeriesTests {
if t.resolved {
url, err := charm.ParseURL(t.vague)
c.Assert(err, gc.IsNil)
c.Assert(url.Series, gc.Not(gc.Equals), "")
} else {
_, series, err := charm.ParseReference(t.vague)
c.Assert(err, gc.IsNil)
c.Assert(series, gc.Equals, "")
_, err = charm.ParseURL(t.vague)
c.Assert(err, gc.NotNil)
c.Assert(err, gc.Equals, charm.ErrUnresolvedUrl)
}
}
}
func (s *Server) resolveURL(url string) (*charm.URL, error) {
ref, series, err := charm.ParseReference(url)
if err != nil {
return nil, err
}
if series == "" {
prefSeries, err := s.store.Series(ref)
if err != nil {
return nil, err
}
if len(prefSeries) == 0 {
return nil, ErrNotFound
}
return &charm.URL{Reference: ref, Series: prefSeries[0]}, nil
}
return &charm.URL{Reference: ref, Series: series}, nil
}
func (s *URLSuite) TestReferenceJSON(c *gc.C) {
ref, _, err := charm.ParseReference("cs:series/name")
c.Assert(err, gc.IsNil)
data, err := json.Marshal(&ref)
c.Assert(err, gc.IsNil)
c.Check(string(data), gc.Equals, `"cs:name"`)
var parsed charm.Reference
err = json.Unmarshal(data, &parsed)
c.Assert(err, gc.IsNil)
c.Check(parsed, gc.DeepEquals, ref)
// unmarshalling json gibberish and invalid charm reference strings
for _, value := range []string{":{", `"cs:{}+<"`, `"cs:~_~/f00^^&^/baaaar$%-?"`} {
err = json.Unmarshal([]byte(value), &parsed)
c.Check(err, gc.NotNil)
}
}
// resolveCharmURL returns a resolved charm URL, given a charm location string.
// If the series is not resolved, the environment default-series is used, or if
// not set, the series is resolved with the state server.
func resolveCharmURL(url string, client *api.Client, conf *config.Config) (*charm.URL, error) {
ref, series, err := charm.ParseReference(url)
if err != nil {
return nil, err
}
// If series is not set, use configured default series
if series == "" {
if defaultSeries, ok := conf.DefaultSeries(); ok {
series = defaultSeries
}
}
// Otherwise, look up the best supported series for this charm
if series == "" {
if ref.Schema == "local" {
possibleUrl := &charm.URL{Reference: ref, Series: "precise"}
logger.Errorf(`The series is not specified in the environment (default-series) or with the charm. Did you mean:
%s`, possibleUrl.String())
return nil, fmt.Errorf("cannot resolve series for charm: %q", ref)
}
return client.ResolveCharm(ref)
}
return &charm.URL{Reference: ref, Series: series}, nil
}
func (s *StoreSuite) TestMysqlSeriesSolver(c *gc.C) {
for _, t := range mysqlSeriesCharms {
var urls []*charm.URL
for _, url := range t.urls {
urls = append(urls, charm.MustParseURL(url))
}
pub, err := s.store.CharmPublisher(urls, t.fakeDigest)
c.Assert(err, gc.IsNil)
c.Assert(pub.Revision(), gc.Equals, 0)
err = pub.Publish(&FakeCharmDir{})
c.Assert(err, gc.IsNil)
}
ref, _, err := charm.ParseReference("cs:mysql")
c.Assert(err, gc.IsNil)
series, err := s.store.Series(ref)
c.Assert(err, gc.IsNil)
c.Assert(series, gc.HasLen, 2)
c.Check(series[0], gc.Equals, "precise")
c.Check(series[1], gc.Equals, "oneiric")
}
func (s *URLSuite) TestParseURL(c *gc.C) {
for i, t := range urlTests {
c.Logf("test %d", i)
url, uerr := charm.ParseURL(t.s)
ref, series, rerr := charm.ParseReference(t.s)
comment := gc.Commentf("ParseURL(%q)", t.s)
if t.url != nil && t.url.Series == "" {
if t.err != "" {
// Expected error should match
c.Assert(rerr, gc.NotNil, comment)
c.Check(rerr.Error(), gc.Matches, t.err, comment)
} else {
// Expected charm reference should match
c.Check(ref, gc.DeepEquals, t.url.Reference, comment)
c.Check(t.url.Reference.String(), gc.Equals, t.s)
}
if rerr != nil {
// If ParseReference has an error, ParseURL should share it
c.Check(uerr.Error(), gc.Equals, rerr.Error(), comment)
} else {
// Otherwise, ParseURL with an empty series should error unresolved.
c.Check(uerr.Error(), gc.Equals, charm.ErrUnresolvedUrl.Error(), comment)
}
} else {
if t.err != "" {
c.Assert(uerr, gc.NotNil, comment)
c.Check(uerr.Error(), gc.Matches, t.err, comment)
c.Check(uerr.Error(), gc.Equals, rerr.Error(), comment)
} else {
c.Check(url.Series, gc.Equals, series, comment)
c.Check(url, gc.DeepEquals, t.url, comment)
c.Check(t.url.String(), gc.Equals, t.s)
}
}
}
}
