@Test
public void parseNameValueBlock() throws IOException {
List<Header> headerBlock =
headerEntries(
"cache-control", "no-cache, no-store",
"set-cookie", "Cookie1\u0000Cookie2",
":status", "200 OK",
":version", "HTTP/1.1");
Request request = new Request.Builder().url("http://square.com/").build();
Response response = Http2xStream.readSpdy3HeadersList(headerBlock).request(request).build();
Headers headers = response.headers();
assertEquals(3, headers.size());
Assert.assertEquals(Protocol.SPDY_3, response.protocol());
assertEquals(200, response.code());
assertEquals("OK", response.message());
assertEquals("no-cache, no-store", headers.get("cache-control"));
assertEquals("Cookie2", headers.get("set-cookie"));
assertEquals("cache-control", headers.name(0));
assertEquals("no-cache, no-store", headers.value(0));
assertEquals("set-cookie", headers.name(1));
assertEquals("Cookie1", headers.value(1));
assertEquals("set-cookie", headers.name(2));
assertEquals("Cookie2", headers.value(2));
assertNull(headers.get(":status"));
assertNull(headers.get(":version"));
}
private String authorize() {
try {
OkHttpClient.Builder builder = client.newBuilder();
builder.interceptors().remove(this);
OkHttpClient clone = builder.build();
String credential = Credentials.basic(config.getUsername(), new String(config.getPassword()));
URL url = new URL(URLUtils.join(config.getMasterUrl(), AUTHORIZE_PATH));
Response response =
clone
.newCall(
new Request.Builder().get().url(url).header(AUTHORIZATION, credential).build())
.execute();
response.body().close();
response = response.priorResponse() != null ? response.priorResponse() : response;
response = response.networkResponse() != null ? response.networkResponse() : response;
String token = response.header(LOCATION);
if (token == null || token.isEmpty()) {
throw new KubernetesClientException(
"Unexpected response ("
+ response.code()
+ " "
+ response.message()
+ "), to the authorization request. Missing header:["
+ LOCATION
+ "]!");
}
token = token.substring(token.indexOf(BEFORE_TOKEN) + BEFORE_TOKEN.length());
token = token.substring(0, token.indexOf(AFTER_TOKEN));
return token;
} catch (Exception e) {
throw KubernetesClientException.launderThrowable(e);
}
}
private InputStream prepareConnection() throws IOException {
Request request = new Request.Builder().url(url).build();
Response response = CLIENT.newCall(request).execute();
if (response.code() != 200) {
Log.e("ERROR", "Server returned HTTP " + response.message());
return null;
}
return response.body().byteStream();
}
@Override
public void onTrigger(final ProcessContext context, final ProcessSession session)
throws ProcessException {
FlowFile flowFile = null;
if (context.hasIncomingConnection()) {
flowFile = session.get();
// If we have no FlowFile, and all incoming connections are self-loops then we can continue
// on.
// However, if we have no FlowFile and we have connections coming from other Processors, then
// we know that we should run only if we have a FlowFile.
if (flowFile == null && context.hasNonLoopConnection()) {
return;
}
}
OkHttpClient okHttpClient = getClient();
if (flowFile == null) {
flowFile = session.create();
}
final String index =
context.getProperty(INDEX).evaluateAttributeExpressions(flowFile).getValue();
final String docId =
context.getProperty(DOC_ID).evaluateAttributeExpressions(flowFile).getValue();
final String docType =
context.getProperty(TYPE).evaluateAttributeExpressions(flowFile).getValue();
final String fields =
context.getProperty(FIELDS).isSet()
? context.getProperty(FIELDS).evaluateAttributeExpressions(flowFile).getValue()
: null;
// Authentication
final String username =
context.getProperty(USERNAME).evaluateAttributeExpressions(flowFile).getValue();
final String password = context.getProperty(PASSWORD).evaluateAttributeExpressions().getValue();
final ComponentLog logger = getLogger();
Response getResponse = null;
try {
logger.debug("Fetching {}/{}/{} from Elasticsearch", new Object[] {index, docType, docId});
// read the url property from the context
final String urlstr =
StringUtils.trimToEmpty(
context.getProperty(ES_URL).evaluateAttributeExpressions().getValue());
final URL url = buildRequestURL(urlstr, docId, index, docType, fields);
final long startNanos = System.nanoTime();
getResponse = sendRequestToElasticsearch(okHttpClient, url, username, password, "GET", null);
final int statusCode = getResponse.code();
if (isSuccess(statusCode)) {
ResponseBody body = getResponse.body();
final byte[] bodyBytes = body.bytes();
JsonNode responseJson = parseJsonResponse(new ByteArrayInputStream(bodyBytes));
boolean found = responseJson.get("found").asBoolean(false);
String retrievedIndex = responseJson.get("_index").asText();
String retrievedType = responseJson.get("_type").asText();
String retrievedId = responseJson.get("_id").asText();
if (found) {
JsonNode source = responseJson.get("_source");
flowFile = session.putAttribute(flowFile, "filename", retrievedId);
flowFile = session.putAttribute(flowFile, "es.index", retrievedIndex);
flowFile = session.putAttribute(flowFile, "es.type", retrievedType);
if (source != null) {
flowFile =
session.write(
flowFile,
out -> {
out.write(source.toString().getBytes());
});
}
logger.debug("Elasticsearch document " + retrievedId + " fetched, routing to success");
// emit provenance event
final long millis = TimeUnit.NANOSECONDS.toMillis(System.nanoTime() - startNanos);
if (context.hasNonLoopConnection()) {
session.getProvenanceReporter().fetch(flowFile, url.toExternalForm(), millis);
} else {
session.getProvenanceReporter().receive(flowFile, url.toExternalForm(), millis);
}
session.transfer(flowFile, REL_SUCCESS);
} else {
logger.warn(
"Failed to read {}/{}/{} from Elasticsearch: Document not found",
new Object[] {index, docType, docId});
// We couldn't find the document, so send it to "not found"
session.transfer(flowFile, REL_NOT_FOUND);
}
} else {
if (statusCode == 404) {
logger.warn(
"Failed to read {}/{}/{} from Elasticsearch: Document not found",
new Object[] {index, docType, docId});
// We couldn't find the document, so penalize it and send it to "not found"
session.transfer(flowFile, REL_NOT_FOUND);
} else {
// 5xx -> RETRY, but a server error might last a while, so yield
if (statusCode / 100 == 5) {
logger.warn(
"Elasticsearch returned code {} with message {}, transferring flow file to retry. This is likely a server problem, yielding...",
new Object[] {statusCode, getResponse.message()});
session.transfer(flowFile, REL_RETRY);
context.yield();
} else if (context.hasIncomingConnection()) { // 1xx, 3xx, 4xx -> NO RETRY
logger.warn(
"Elasticsearch returned code {} with message {}, transferring flow file to failure",
new Object[] {statusCode, getResponse.message()});
session.transfer(flowFile, REL_FAILURE);
} else {
logger.warn(
"Elasticsearch returned code {} with message {}",
new Object[] {statusCode, getResponse.message()});
session.remove(flowFile);
}
}
}
} catch (IOException ioe) {
logger.error(
"Failed to read from Elasticsearch due to {}, this may indicate an error in configuration "
+ "(hosts, username/password, etc.). Routing to retry",
new Object[] {ioe.getLocalizedMessage()},
ioe);
if (context.hasIncomingConnection()) {
session.transfer(flowFile, REL_RETRY);
} else {
session.remove(flowFile);
}
context.yield();
} catch (Exception e) {
logger.error(
"Failed to read {} from Elasticsearch due to {}",
new Object[] {flowFile, e.getLocalizedMessage()},
e);
if (context.hasIncomingConnection()) {
session.transfer(flowFile, REL_FAILURE);
} else {
session.remove(flowFile);
}
context.yield();
} finally {
if (getResponse != null) {
getResponse.close();
}
}
}
public static InputStream openUri(Context context, Uri uri, String reqContentTypeSubstring)
throws OpenUriException {
if (uri == null) {
throw new IllegalArgumentException("Uri cannot be empty");
}
String scheme = uri.getScheme();
if (scheme == null) {
throw new OpenUriException(false, new IOException("Uri had no scheme"));
}
InputStream in = null;
if ("content".equals(scheme)) {
try {
in = context.getContentResolver().openInputStream(uri);
} catch (FileNotFoundException | SecurityException e) {
throw new OpenUriException(false, e);
}
} else if ("file".equals(scheme)) {
List<String> segments = uri.getPathSegments();
if (segments != null && segments.size() > 1 && "android_asset".equals(segments.get(0))) {
AssetManager assetManager = context.getAssets();
StringBuilder assetPath = new StringBuilder();
for (int i = 1; i < segments.size(); i++) {
if (i > 1) {
assetPath.append("/");
}
assetPath.append(segments.get(i));
}
try {
in = assetManager.open(assetPath.toString());
} catch (IOException e) {
throw new OpenUriException(false, e);
}
} else {
try {
in = new FileInputStream(new File(uri.getPath()));
} catch (FileNotFoundException e) {
throw new OpenUriException(false, e);
}
}
} else if ("http".equals(scheme) || "https".equals(scheme)) {
OkHttpClient client =
new OkHttpClient.Builder()
.connectTimeout(DEFAULT_CONNECT_TIMEOUT, TimeUnit.SECONDS)
.readTimeout(DEFAULT_READ_TIMEOUT, TimeUnit.SECONDS)
.build();
Request request;
int responseCode = 0;
String responseMessage = null;
try {
request = new Request.Builder().url(new URL(uri.toString())).build();
} catch (MalformedURLException e) {
throw new OpenUriException(false, e);
}
try {
Response response = client.newCall(request).execute();
responseCode = response.code();
responseMessage = response.message();
if (!(responseCode >= 200 && responseCode < 300)) {
throw new IOException("HTTP error response.");
}
if (reqContentTypeSubstring != null) {
String contentType = response.header("Content-Type");
if (contentType == null || !contentType.contains(reqContentTypeSubstring)) {
throw new IOException(
"HTTP content type '"
+ contentType
+ "' didn't match '"
+ reqContentTypeSubstring
+ "'.");
}
}
in = response.body().byteStream();
} catch (IOException e) {
if (responseCode > 0) {
throw new OpenUriException(500 <= responseCode && responseCode < 600, responseMessage, e);
} else {
throw new OpenUriException(false, e);
}
}
}
if (in == null) {
throw new OpenUriException(false, "Null input stream for URI: " + uri, null);
}
return in;
}
