func checkFileHasContents(c *gc.C, stor storage.StorageReader, name string, contents []byte, attempt utils.AttemptStrategy) {
r, err := storage.GetWithRetry(stor, name, attempt)
c.Assert(err, gc.IsNil)
c.Check(r, gc.NotNil)
defer r.Close()
data, err := ioutil.ReadAll(r)
c.Check(err, gc.IsNil)
c.Check(data, gc.DeepEquals, contents)
url, err := stor.URL(name)
c.Assert(err, gc.IsNil)
var resp *http.Response
for a := attempt.Start(); a.Next(); {
resp, err = utils.GetValidatingHTTPClient().Get(url)
c.Assert(err, gc.IsNil)
if resp.StatusCode != 404 {
break
}
c.Logf("get retrying after earlier get succeeded. *sigh*.")
}
c.Assert(err, gc.IsNil)
data, err = ioutil.ReadAll(resp.Body)
c.Assert(err, gc.IsNil)
defer resp.Body.Close()
c.Assert(resp.StatusCode, gc.Equals, 200, gc.Commentf("error response: %s", data))
c.Check(data, gc.DeepEquals, contents)
}
// PrimeTools sets up the current version of the tools to vers and
// makes sure that they're available in the dataDir.
func PrimeTools(c *gc.C, stor storage.Storage, dataDir string, vers version.Binary) *coretools.Tools {
err := os.RemoveAll(filepath.Join(dataDir, "tools"))
c.Assert(err, gc.IsNil)
agentTools, err := uploadFakeToolsVersion(stor, vers)
c.Assert(err, gc.IsNil)
resp, err := utils.GetValidatingHTTPClient().Get(agentTools.URL)
c.Assert(err, gc.IsNil)
defer resp.Body.Close()
err = agenttools.UnpackTools(dataDir, agentTools, resp.Body)
c.Assert(err, gc.IsNil)
return agentTools
}
// Client returns a storage object that will talk to the
// storage server at the given network address (see Serve)
func Client(addr string) storage.Storage {
return &localStorage{
addr: addr,
client: utils.GetValidatingHTTPClient(),
}
}