// CharmArchiveURL returns the URL, corresponding to the charm archive
// (bundle) in the provider storage for each given charm URL, along
// with the DisableSSLHostnameVerification flag.
func (u *UniterAPI) CharmArchiveURL(args params.CharmURLs) (params.CharmArchiveURLResults, error) {
result := params.CharmArchiveURLResults{
Results: make([]params.CharmArchiveURLResult, len(args.URLs)),
}
// Get the SSL hostname verification environment setting.
envConfig, err := u.st.EnvironConfig()
if err != nil {
return result, err
}
// SSLHostnameVerification defaults to true, so we need to
// invert that, for backwards-compatibility (older versions
// will have DisableSSLHostnameVerification: false by default).
disableSSLHostnameVerification := !envConfig.SSLHostnameVerification()
for i, arg := range args.URLs {
curl, err := charm.ParseURL(arg.URL)
if err != nil {
err = common.ErrPerm
} else {
var sch *state.Charm
sch, err = u.st.Charm(curl)
if errors.IsNotFound(err) {
err = common.ErrPerm
}
if err == nil {
result.Results[i].Result = sch.BundleURL().String()
result.Results[i].DisableSSLHostnameVerification = disableSSLHostnameVerification
}
}
result.Results[i].Error = common.ServerError(err)
}
return result, nil
}
// parseSettingsCompatible parses setting strings in a way that is
// compatible with the behavior before this CL based on the issue
// http://pad.lv/1194945. Until then setting an option to an empty
// string caused it to reset to the default value. We now allow
// empty strings as actual values, but we want to preserve the API
// behavior.
func parseSettingsCompatible(ch *state.Charm, settings map[string]string) (charm.Settings, error) {
setSettings := map[string]string{}
unsetSettings := charm.Settings{}
// Split settings into those which set and those which unset a value.
for name, value := range settings {
if value == "" {
unsetSettings[name] = nil
continue
}
setSettings[name] = value
}
// Validate the settings.
changes, err := ch.Config().ParseSettingsStrings(setSettings)
if err != nil {
return nil, err
}
// Validate the unsettings and merge them into the changes.
unsetSettings, err = ch.Config().ValidateSettings(unsetSettings)
if err != nil {
return nil, err
}
for name := range unsetSettings {
changes[name] = nil
}
return changes, nil
}
func assertCustomCharm(c *gc.C, ch *state.Charm, series string, meta *charm.Meta, config *charm.Config, revision int) {
// Check Charm interface method results.
c.Assert(ch.Meta(), gc.DeepEquals, meta)
c.Assert(ch.Config(), gc.DeepEquals, config)
c.Assert(ch.Revision(), gc.DeepEquals, revision)
// Test URL matches charm and expected series.
url := ch.URL()
c.Assert(url.Series, gc.Equals, series)
c.Assert(url.Revision, gc.Equals, ch.Revision())
// Ignore the BundleURL and BundleSHA256 methods, they're irrelevant.
}
func (s *ServiceSuite) TestSetCharmConfig(c *gc.C) {
charms := map[string]*state.Charm{
stringConfig: s.AddConfigCharm(c, "wordpress", stringConfig, 1),
emptyConfig: s.AddConfigCharm(c, "wordpress", emptyConfig, 2),
floatConfig: s.AddConfigCharm(c, "wordpress", floatConfig, 3),
newStringConfig: s.AddConfigCharm(c, "wordpress", newStringConfig, 4),
}
for i, t := range setCharmConfigTests {
c.Logf("test %d: %s", i, t.summary)
origCh := charms[t.startconfig]
svc := s.AddTestingService(c, "wordpress", origCh)
err := svc.UpdateConfigSettings(t.startvalues)
c.Assert(err, gc.IsNil)
newCh := charms[t.endconfig]
err = svc.SetCharm(newCh, false)
var expectVals charm.Settings
var expectCh *state.Charm
if t.err != "" {
c.Assert(err, gc.ErrorMatches, t.err)
expectCh = origCh
expectVals = t.startvalues
} else {
c.Assert(err, gc.IsNil)
expectCh = newCh
expectVals = t.endvalues
}
sch, _, err := svc.Charm()
c.Assert(err, gc.IsNil)
c.Assert(sch.URL(), gc.DeepEquals, expectCh.URL())
settings, err := svc.ConfigSettings()
c.Assert(err, gc.IsNil)
if len(expectVals) == 0 {
c.Assert(settings, gc.HasLen, 0)
} else {
c.Assert(settings, gc.DeepEquals, expectVals)
}
err = svc.Destroy()
c.Assert(err, gc.IsNil)
}
}
// CharmArchiveSha256 returns the SHA256 digest of the charm archive
// (bundle) data for each charm url in the given parameters.
func (u *UniterAPIV3) CharmArchiveSha256(args params.CharmURLs) (params.StringResults, error) {
result := params.StringResults{
Results: make([]params.StringResult, len(args.URLs)),
}
for i, arg := range args.URLs {
curl, err := charm.ParseURL(arg.URL)
if err != nil {
err = common.ErrPerm
} else {
var sch *state.Charm
sch, err = u.st.Charm(curl)
if errors.IsNotFound(err) {
err = common.ErrPerm
}
if err == nil {
result.Results[i].Result = sch.BundleSha256()
}
}
result.Results[i].Error = common.ServerError(err)
}
return result, nil
}
func assertCharm(c *gc.C, bun charm.Bundle, sch *state.Charm) {
actual := bun.(*corecharm.Bundle)
c.Assert(actual.Revision(), gc.Equals, sch.Revision())
c.Assert(actual.Meta(), gc.DeepEquals, sch.Meta())
c.Assert(actual.Config(), gc.DeepEquals, sch.Config())
}
func assertStandardCharm(c *gc.C, ch *state.Charm, series string) {
chd := testcharms.Repo.CharmDir(ch.Meta().Name)
assertCustomCharm(c, ch, series, chd.Meta(), chd.Config(), chd.Metrics(), chd.Revision())
}