jclouds does not allow arbitrary HTTP headers; we generally provide a mechanism to set any vendor-specific header in the provider implementation. Specifically for User-Agent, we have an open feature request:
https://issues.apache.org/jira/browse/JCLOUDS-819 This is a well-scoped task and we would appreciate a pull request to include it. Would you be willing to address this? On Thu, Nov 10, 2016 at 09:27:45PM +0000, Paya, Ashkan wrote: > Hello, > > Can we use/overwrite HTTP headers such as USER_AGENT when invoking methods > like BlobStore.putBlob() or we need to specify the BlobRequestSigner and use > HttpClient instead? > For example, if I want to include the HTTP headers in the following operation: > > > ByteSource input = ByteSource.wrap(“BLAH”.getBytes(StandardCharsets.UTF_8)); > > Blob blob = blobStore > > > .blobBuilder(“NAME") > > > .payload(input) > > > .contentLength(input.size()) > > > .contentMD5(input.hash(Hashing.md5())) > > > .contentType("text/plain") > > > .build(); > > > blobStore.putBlob(container, blob); > > > Should I use the BlobRequestSigner as follows? Is this the right approach? > > > final BlobRequestSigner signer = blobStoreInfo.getBlobRequestSigner(); > > > HttpRequest request = signer.signPutBlob(container, blob) > > > .toBuilder() > > > .addHeader(HttpHeaders.CONTENT_LENGTH, > > > String.valueOf(input.size())) > > > .addHeader(HttpHeaders.USER_AGENT, “custom agent") > > > .payload(input) > > > .build(); > > > HttpClient httpClient = blobStore.getContext().utils().http()); > > httpClient.invoke(request); > > > > > > Thank you, > Ashkan -- Andrew Gaul http://gaul.org/
