func (self *Service) DescribeInstances(id *aws.Signer, filter http.Values, ic chan Instance) (err os.Error) {
if filter == nil {
filter = http.Values{}
}
filter.Set("Action", "DescribeInstances")
req := aws.NewRequest(self.URL, "GET", nil, filter)
err = id.SignRequestV2(req, aws.Canonicalize, DEFAULT_VERSION, 15)
if err != nil {
return
}
resp, err := self.conn.Request(req)
if err == nil {
defer resp.Body.Close()
xresp := describeInstancesResponse{}
err := xml.Unmarshal(resp.Body, &xresp)
if err == nil {
log.Printf("XRESP == %+v", xresp)
} else {
log.Printf("XERR == %+v", err)
}
ob, _ := http.DumpResponse(resp, true)
os.Stdout.Write(ob)
}
return
}
// Users note: amazon will only return an error if the request is bad,
// thus an error will not be raised when deleting a non-existent LB.
func (self *Service) DeleteLoadBalancer(id *aws.Signer, name string) (err os.Error) {
parms := http.Values{}
parms.Set("Action", "DeleteLoadBalancer")
parms.Set("LoadBalancerName", name)
req := aws.NewRequest(self.URL, "GET", nil, parms)
err = id.SignRequestV2(req, aws.Canonicalize, DEFAULT_VERSION, 0)
if err != nil {
return
}
resp, err := self.conn.Request(req)
if err != nil {
return
}
defer resp.Body.Close()
if resp.StatusCode != 200 {
err = aws.CodeToError(resp.StatusCode)
}
qr := LoadBalancerQueryResult{}
err = xml.Unmarshal(resp.Body, &qr)
if err == nil {
if qr.ErrorCode != "" {
err = os.NewError(qr.ErrorCode)
}
}
return
}
func (self *Domain) GetAttribute(s *aws.Signer, item string, attrs AttributeList, consist bool) (a []Attribute, err os.Error) {
var resp *http.Response
vl := attrs.Values(ATTRIBUTE_LIST)
vl.Set("Action", "GetAttributes")
vl.Set("DomainName", self.Name)
vl.Set("ItemName", item)
if consist {
vl.Set("ConsistentRead", "true")
}
req := aws.NewRequest(self.URL, "GET", nil, vl)
err = s.SignRequestV2(req, aws.Canonicalize, DEFAULT_API_VERSION, 0)
if err == nil {
resp, err = self.conn.Request(req)
}
if err == nil {
defer resp.Body.Close()
err = aws.CodeToError(resp.StatusCode)
}
if err == nil {
var response getattributesresponse
ob, _ := http.DumpResponse(resp, true)
os.Stdout.Write(ob)
err = xml.Unmarshal(resp.Body, &response)
if err == nil {
a = response.Attributes
}
}
return
}
func (self *Service) ListQueues(id *aws.Signer, prefix string) (mq []string, err os.Error) {
var resp *http.Response
parms := http.Values{}
parms.Set("Action", "ListQueues")
if prefix != "" {
parms.Set("QueueNamePrefix", prefix)
}
req := aws.NewRequest(self.URL, "GET", nil, parms)
err = id.SignRequestV2(req, aws.Canonicalize, DEFAULT_VERSION, 15)
resp, err = self.conn.Request(req)
if err == nil {
defer resp.Body.Close()
xresp := listQueuesResponse{}
if resp.StatusCode == http.StatusOK {
err = xml.Unmarshal(resp.Body, &xresp)
} else {
err = os.NewError("Unexpected response code")
}
if err == nil {
mq = xresp.QueueURL
}
}
return
}
// Note: 0 is a valid timeout!!
func (self *Queue) Peek(id *aws.Signer, vt int) (body []byte, msgid string, err os.Error) {
var resp *http.Response
parms := http.Values{}
parms.Set("Action", "ReceiveMessage")
if vt >= 0 {
parms.Set("VisibilityTimeout", strconv.Itoa(vt))
}
req := aws.NewRequest(self.URL, "GET", nil, parms)
err = id.SignRequestV2(req, aws.Canonicalize, DEFAULT_VERSION, 15)
if err == nil {
resp, err = self.conn.Request(req)
if err == nil {
defer resp.Body.Close()
}
if err == nil && resp.StatusCode != http.StatusOK {
err = os.NewError("Unexpected response")
}
if err == nil {
msg := message{}
err = xml.Unmarshal(resp.Body, &msg)
if err == nil {
body, msgid = msg.Body, msg.ReceiptHandle
}
}
}
return
}
// Create a queue, returning the Queue object.
func (self *Service) CreateQueue(id *aws.Signer, name string, dvtimeout int) (mq *Queue, err os.Error) {
var resp *http.Response
parms := http.Values{}
parms.Set("Action", "CreateQueue")
parms.Set("QueueName", name)
parms.Set("DefaultVisibilityTimeout", strconv.Itoa(dvtimeout))
req := aws.NewRequest(self.URL, "GET", nil, parms)
err = id.SignRequestV2(req, aws.Canonicalize, DEFAULT_VERSION, 15)
if err == nil {
resp, err = self.conn.Request(req)
if err == nil {
defer resp.Body.Close()
if resp.StatusCode == http.StatusOK {
xmlresp := createQueueResponse{}
err = xml.Unmarshal(resp.Body, &xmlresp)
if err == nil {
var qrl *http.URL
qrl, err = http.ParseURL(xmlresp.QueueURL)
if err == nil {
mq = NewQueue(qrl)
}
}
} else {
err = os.NewError("Unexpected response")
}
}
}
return
}
// Performs a HEAD request on the bucket and returns the response object.
// The body is CLOSED, and it is an error to try and read from it.
func (self *Bucket) HeadKey(id *aws.Signer, key string) (resp *http.Response, err os.Error) {
hreq := aws.NewRequest(self.key_url(key), "HEAD", nil, nil)
err = id.SignRequestV1(hreq, aws.CanonicalizeS3, 15)
if err == nil {
resp, err = self.conn.Request(hreq)
}
if err == nil {
resp.Body.Close()
err = aws.CodeToError(resp.StatusCode)
}
return
}
func (self *Bucket) PutKeyBytes(id *aws.Signer, key string, buff []byte, hdr http.Header) (err os.Error) {
var resp *http.Response
hreq := aws.NewRequest(self.key_url(key), "PUT", hdr, nil)
hreq.ContentLength = int64(len(buff))
hreq.Body = ioutil.NopCloser(bytes.NewBuffer(buff))
err = id.SignRequestV1(hreq, aws.CanonicalizeS3, 15)
if err == nil {
resp, err = self.conn.Request(hreq)
if err == nil {
defer resp.Body.Close()
err = aws.CodeToError(resp.StatusCode)
}
}
return
}
// Note: 0 is a valid timeout!!
func (self *Queue) Delete(id *aws.Signer, mid string) (err os.Error) {
var resp *http.Response
parms := http.Values{}
parms.Set("Action", "DeleteMessage")
parms.Set("ReceiptHandle", mid)
req := aws.NewRequest(self.URL, "GET", nil, parms)
err = id.SignRequestV2(req, aws.Canonicalize, DEFAULT_VERSION, 15)
if err == nil {
resp, err = self.conn.Request(req)
if err == nil {
defer resp.Body.Close()
}
if resp.StatusCode != http.StatusOK {
err = os.NewError("Unexpected response")
}
}
return
}
func (self *Queue) Push(id *aws.Signer, body []byte) (err os.Error) {
var resp *http.Response
parms := http.Values{}
parms.Set("Action", "SendMessage")
parms.Set("MessageBody", string(body))
req := aws.NewRequest(self.URL, "GET", nil, parms)
err = id.SignRequestV2(req, aws.Canonicalize, DEFAULT_VERSION, 15)
if err == nil {
resp, err = self.conn.Request(req)
if err == nil {
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
err = os.NewError("Unexpected response")
}
}
}
return
}
func (self *Domain) Select(id *aws.Signer, what, where string, consist bool, items chan<- Item) (err os.Error) {
var resp *http.Response
vl := http.Values{}
vl.Set("Action", "Select")
if where != "" {
where = " where " + where
}
vl.Set("SelectExpression", fmt.Sprintf("select %s from %s%s", what, self.Name, where))
if consist {
vl.Set("ConsistentRead", "true")
}
done := false
nextToken := ""
for err == nil && !done {
vl.Del("NextToken")
if nextToken != "" {
vl.Set("NextToken", nextToken)
}
req := aws.NewRequest(self.URL, "GET", nil, vl)
err = id.SignRequestV2(req, aws.Canonicalize, DEFAULT_API_VERSION, 0)
if err == nil {
resp, err = self.conn.Request(req)
}
if err == nil {
ob, _ := http.DumpResponse(resp, true)
os.Stdout.Write(ob)
xresp := selectresponse{}
err = xml.Unmarshal(resp.Body, &xresp)
if err == nil {
fmt.Printf("XML == %+v", xresp)
for i := range xresp.Items {
items <- xresp.Items[i]
}
nextToken = xresp.NextToken
done = (nextToken == "")
}
resp.Body.Close()
}
}
return
}
// NB: Length is required as we do not buffer the reader
// NB(2): We do NOT close your reader (hence the io.Reader),
// we wrap it with a NopCloser.
func (self *Bucket) PutKeyReader(id *aws.Signer, key string, r io.Reader, l int64, hdr http.Header) (err os.Error) {
var resp *http.Response
hreq := aws.NewRequest(self.key_url(key), "PUT", hdr, nil)
hreq.ContentLength = l
hreq.Body = ioutil.NopCloser(io.LimitReader(r, l))
err = id.SignRequestV1(hreq, aws.CanonicalizeS3, 15)
if err == nil {
resp, err = self.conn.Request(hreq)
if err == nil {
defer resp.Body.Close()
err = aws.CodeToError(resp.StatusCode)
}
if err == aws.ErrorUnexpectedResponse {
ob, _ := http.DumpResponse(resp, true)
os.Stdout.Write(ob)
}
}
return
}
// Deletes the named key from the bucket. To delete a bucket, see *Service.DeleteBucket()
func (self *Bucket) Delete(id *aws.Signer, key string) (err os.Error) {
var resp *http.Response
if key == "" {
return os.NewError("Key cannot be empty!")
}
hreq := aws.NewRequest(self.key_url(key), "DELETE", nil, nil)
err = id.SignRequestV1(hreq, aws.CanonicalizeS3, 15)
if err == nil {
resp, err = self.conn.Request(hreq)
}
if err == nil {
defer resp.Body.Close()
if resp.StatusCode != http.StatusNoContent {
err = aws.CodeToError(resp.StatusCode)
}
}
return
}
// Walks a bucket and writes the resulting strings to the channel.
// * There is currently NO (correct) way to abort a running walk.
func (self *Bucket) ListKeys(id *aws.Signer,
prefix, delim, marker string, out chan<- string) (err os.Error) {
var done bool
var resp *http.Response
var last string
form := http.Values{"prefix": []string{prefix},
"delimeter": []string{delim},
"marker": []string{marker}}
for err == nil && !done {
result := listBucketResult{}
result.Prefix = prefix
result.Marker = marker
if last != "" {
form.Set("marker", last)
}
hreq := aws.NewRequest(self.key_url("/"), "GET", nil, form)
err = id.SignRequestV1(hreq, aws.CanonicalizeS3, 15)
if err == nil {
resp, err = self.conn.Request(hreq)
}
if err == nil {
err = aws.CodeToError(resp.StatusCode)
if err == nil {
err = xml.Unmarshal(resp.Body, &result)
if err == nil {
for i := range result.Contents {
out <- result.Contents[i].Key
}
if len(result.Contents) > 0 {
last = result.Contents[len(result.Contents)-1].Key
}
done = !result.IsTruncated
}
}
resp.Body.Close()
}
}
close(out)
return
}
// Opens the named key and copys it to the named io.Writer IFF the response.Status is 200.
// Also returns the http headers for convenience (regardless of status code, as long as a resp is generated).
func (self *Bucket) GetKey(id *aws.Signer, key string, w io.Writer) (hdr http.Header, err os.Error) {
var resp *http.Response
hreq := aws.NewRequest(self.key_url(key), "GET", nil, nil)
err = id.SignRequestV1(hreq, aws.CanonicalizeS3, 15)
if err == nil {
resp, err = self.conn.Request(hreq)
}
if err == nil {
defer resp.Body.Close()
err = aws.CodeToError(resp.StatusCode)
hdr = resp.Header
if err == nil {
_, err2 := io.Copy(w, resp.Body)
if err == nil {
err = err2
}
}
}
return
}
func (self *Service) DescribeLoadBalancers(id *aws.Signer) (lbs []LoadBalancerDescription, err os.Error) {
parms := http.Values{}
parms.Set("Action", "DescribeLoadBalancers")
req := aws.NewRequest(self.URL, "GET", nil, parms)
err = id.SignRequestV2(req, aws.Canonicalize, DEFAULT_VERSION, 0)
if err != nil {
return
}
resp, err := self.conn.Request(req)
if err == nil {
qr := LoadBalancerQueryResult{}
defer resp.Body.Close()
err = xml.Unmarshal(resp.Body, &qr)
if err == nil {
lbs = qr.LoadBalancerDescription
}
}
return
}
// Will put an open file descriptor to the named key. Size is determined
// by statting the fd (so a partially read file will not work).
// TODO: ACL's & content-type/headers support
func (self *Bucket) PutFile(id *aws.Signer, key string, fp *os.File) (err os.Error) {
var resp *http.Response
if fp == nil {
return os.NewError("invalid file descriptor")
}
fi, err := fp.Stat()
if err == nil {
fsize := fi.Size
hdr := http.Header{}
hreq := aws.NewRequest(self.key_url(key), "PUT", hdr, nil)
hreq.ContentLength = fsize
hreq.Body = fp
err = id.SignRequestV1(hreq, aws.CanonicalizeS3, 15)
if err == nil {
resp, err = self.conn.Request(hreq)
if err == nil {
defer resp.Body.Close()
err = aws.CodeToError(resp.StatusCode)
}
}
}
return
}
func (self *Domain) DeleteAttribute(s *aws.Signer, item string, attrs, expected AttributeList) (err os.Error) {
var resp *http.Response
vl := attrs.Values(ATTRIBUTE_LIST)
for k, v := range expected.Values(EXPECTED_LIST) {
vl[k] = v
}
vl.Set("Action", "DeleteAttribute")
vl.Set("DomainName", self.Name)
vl.Set("ItemName", item)
req := aws.NewRequest(self.URL, "GET", nil, vl)
err = s.SignRequestV2(req, aws.Canonicalize, DEFAULT_API_VERSION, 0)
if err == nil {
resp, err = self.conn.Request(req)
}
if err == nil {
defer resp.Body.Close()
err = aws.CodeToError(resp.StatusCode)
}
return
}
func (self *Service) CreateLoadBalancer(id *aws.Signer, name string, zones []string, listeners []Listener) (err os.Error) {
parms := http.Values{}
parms.Set("Action", "CreateLoadBalancer")
parms.Set("LoadBalancerName", name)
for zi := range zones {
parms.Set(Sprintf("AvailabilityZones.members.%d", zi+1), zones[zi])
}
for li := range listeners {
listeners[li].SetValues(parms, li+1)
}
req := aws.NewRequest(self.URL, "GET", nil, parms)
err = id.SignRequestV2(req, aws.Canonicalize, DEFAULT_VERSION, 0)
if err != nil {
return
}
resp, err := self.conn.Request(req)
if err == nil {
defer resp.Body.Close()
ob, _ := http.DumpResponse(resp, true)
os.Stdout.Write(ob)
}
return
}
