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[Backport 2.13] Fixing create index and use case input parsing bugs (o…
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…pensearch-project#602)

Fixing create index and use case input parsing bugs  (opensearch-project#600)

* fixing create index step and array input for processors



* fixing test and enhancing error message



* adding release notes change and some comments addressed



* addressed comments and cleaned up defaults/templates



---------


(cherry picked from commit 5018ebc)

Signed-off-by: Amit Galitzky <[email protected]>
Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
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opensearch-trigger-bot[bot] and github-actions[bot] authored Mar 20, 2024
1 parent 79ecb6f commit 1af14a0
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5 changes: 4 additions & 1 deletion release-notes/opensearch-flow-framework.release-notes-2.13.0.0.md
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Expand Up @@ -17,4 +17,7 @@ Compatible with OpenSearch 2.13.0

### Refactoring
* Moved workflow-steps.json to Enum ([#523](https://github.com/opensearch-project/flow-framework/pull/523))
* Refactored logging for consistency ([#524](https://github.com/opensearch-project/flow-framework/pull/524))
* Refactored logging for consistency ([#524](https://github.com/opensearch-project/flow-framework/pull/524))

### Bug Fixes
* Fixing create index and use case input parsing bugs ([#600](https://github.com/opensearch-project/flow-framework/pull/600))
10 changes: 8 additions & 2 deletions src/main/java/org/opensearch/flowframework/common/DefaultUseCases.java
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Expand Up @@ -28,7 +28,7 @@ public enum DefaultUseCases {
COHERE_EMBEDDING_MODEL_DEPLOY(
"cohere-embedding_model_deploy",
"defaults/cohere-embedding-defaults.json",
"substitutionTemplates/deploy-remote-model-template-extra-params.json"
"substitutionTemplates/deploy-remote-model-extra-params-template.json"
),
/** defaults file and substitution ready template for Bedrock Titan embedding model */
BEDROCK_TITAN_EMBEDDING_MODEL_DEPLOY(
Expand Down Expand Up @@ -93,7 +93,13 @@ public enum DefaultUseCases {
"substitutionTemplates/semantic-search-with-model-and-query-enricher-template.json"
),
/** defaults file and substitution ready template for hybrid search, no model creation*/
HYBRID_SEARCH("hybrid_search", "defaults/hybrid-search-defaults.json", "substitutionTemplates/hybrid-search-template.json");
HYBRID_SEARCH("hybrid_search", "defaults/hybrid-search-defaults.json", "substitutionTemplates/hybrid-search-template.json"),
/** defaults file and substitution ready template for conversational search with cohere chat model*/
CONVERSATIONAL_SEARCH_WITH_COHERE_DEPLOY(
"conversational_search_with_llm_deploy",
"defaults/conversational-search-defaults.json",
"substitutionTemplates/conversational-search-with-cohere-model-template.json"
);

private final String useCaseName;
private final String defaultsFile;
Expand Down
10 changes: 5 additions & 5 deletions src/main/java/org/opensearch/flowframework/rest/RestCreateWorkflowAction.java
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Expand Up @@ -131,18 +131,19 @@ protected RestChannelConsumer prepareRequest(RestRequest request, NodeClient cli
try {
XContentParser parser = request.contentParser();
ensureExpectedToken(XContentParser.Token.START_OBJECT, parser.nextToken(), parser);
Map<String, String> userDefaults = ParseUtils.parseStringToStringMap(parser);
Map<String, Object> userDefaults = ParseUtils.parseStringToObjectMap(parser);
// updates the default params with anything user has given that matches
for (Map.Entry<String, String> userDefaultsEntry : userDefaults.entrySet()) {
for (Map.Entry<String, Object> userDefaultsEntry : userDefaults.entrySet()) {
String key = userDefaultsEntry.getKey();
String value = userDefaultsEntry.getValue();
String value = userDefaultsEntry.getValue().toString();
if (useCaseDefaultsMap.containsKey(key)) {
useCaseDefaultsMap.put(key, value);
}
}
} catch (Exception ex) {
RestStatus status = ex instanceof IOException ? RestStatus.BAD_REQUEST : ExceptionsHelper.status(ex);
String errorMessage = "failure parsing request body when a use case is given";
String errorMessage =
"failure parsing request body when a use case is given, make sure to provide a map with values that are either Strings, Arrays, or Map of Strings to Strings";
logger.error(errorMessage, ex);
throw new FlowFrameworkException(errorMessage, status);
}
Expand All @@ -154,7 +155,6 @@ protected RestChannelConsumer prepareRequest(RestRequest request, NodeClient cli
null,
useCaseDefaultsMap
);

XContentParser parserTestJson = ParseUtils.jsonToParser(useCaseTemplateFileInStringFormat);
ensureExpectedToken(XContentParser.Token.START_OBJECT, parserTestJson.currentToken(), parserTestJson);
template = Template.parse(parserTestJson);
Expand Down
74 changes: 59 additions & 15 deletions src/main/java/org/opensearch/flowframework/util/ParseUtils.java
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Expand Up @@ -34,6 +34,7 @@
import java.io.IOException;
import java.io.InputStream;
import java.time.Instant;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
Expand All @@ -58,6 +59,7 @@ public class ParseUtils {
// Matches ${{ foo.bar }} (whitespace optional) with capturing groups 1=foo, 2=bar
// private static final Pattern SUBSTITUTION_PATTERN = Pattern.compile("\\$\\{\\{\\s*(.+)\\.(.+?)\\s*\\}\\}");
private static final Pattern SUBSTITUTION_PATTERN = Pattern.compile("\\$\\{\\{\\s*([\\w_]+)\\.([\\w_]+)\\s*\\}\\}");
private static final Pattern JSON_ARRAY_DOUBLE_QUOTES_PATTERN = Pattern.compile("\"\\[(.*?)]\"");

private ParseUtils() {}

Expand All @@ -69,7 +71,7 @@ private ParseUtils() {}
* @param json the json string
* @return The XContent parser for the json string
* @throws IOException on failure to create the parser
*/
*/
public static XContentParser jsonToParser(String json) throws IOException {
XContentParser parser = JsonXContent.jsonXContent.createParser(
NamedXContentRegistry.EMPTY,
Expand Down Expand Up @@ -103,7 +105,7 @@ public static String resourceToString(String path) throws IOException {
* Builds an XContent object representing a map of String keys to String values.
*
* @param xContentBuilder An XContent builder whose position is at the start of the map object to build
* @param map A map as key-value String pairs.
* @param map A map as key-value String pairs.
* @throws IOException on a build failure
*/
public static void buildStringToStringMap(XContentBuilder xContentBuilder, Map<?, ?> map) throws IOException {
Expand All @@ -118,7 +120,7 @@ public static void buildStringToStringMap(XContentBuilder xContentBuilder, Map<?
* Builds an XContent object representing a map of String keys to Object values.
*
* @param xContentBuilder An XContent builder whose position is at the start of the map object to build
* @param map A map as key-value String to Object.
* @param map A map as key-value String to Object.
* @throws IOException on a build failure
*/
public static void buildStringToObjectMap(XContentBuilder xContentBuilder, Map<?, ?> map) throws IOException {
Expand All @@ -137,7 +139,7 @@ public static void buildStringToObjectMap(XContentBuilder xContentBuilder, Map<?
* Builds an XContent object representing a LLMSpec.
*
* @param xContentBuilder An XContent builder whose position is at the start of the map object to build
* @param llm LLMSpec
* @param llm LLMSpec
* @throws IOException on a build failure
*/
public static void buildLLMMap(XContentBuilder xContentBuilder, LLMSpec llm) throws IOException {
Expand Down Expand Up @@ -169,6 +171,8 @@ public static Map<String, String> parseStringToStringMap(XContentParser parser)
/**
* Parses an XContent object representing a map of String keys to Object values.
* The Object value here can either be a string or a map
* If an array is found in the given parser we conver the array to a string representation of the array
*
* @param parser An XContent parser whose position is at the start of the map object to parse
* @return A map as identified by the key-value pairs in the XContent
* @throws IOException on a parse failure
Expand All @@ -182,6 +186,18 @@ public static Map<String, Object> parseStringToObjectMap(XContentParser parser)
if (parser.currentToken() == XContentParser.Token.START_OBJECT) {
// If the current token is a START_OBJECT, parse it as Map<String, String>
map.put(fieldName, parseStringToStringMap(parser));
} else if (parser.currentToken() == XContentParser.Token.START_ARRAY) {
// If an array, parse it to a string
// Handle array: convert it to a string representation
List<String> elements = new ArrayList<>();
while (parser.nextToken() != XContentParser.Token.END_ARRAY) {
if (parser.currentToken().equals(XContentParser.Token.VALUE_NUMBER)) {
elements.add(String.valueOf(parser.numberValue())); // If number value don't add escaping quotes
} else {
elements.add("\"" + parser.text() + "\""); // Adding escaped quotes around each element
}
}
map.put(fieldName, elements.toString());
} else {
// Otherwise, parse it as a string
map.put(fieldName, parser.text());
Expand Down Expand Up @@ -209,6 +225,7 @@ public static Instant parseInstant(XContentParser parser) throws IOException {
* (e.g., john||own_index,testrole|__user__, no backend role so you see two verticle line after john.).
* This is the user string format used internally in the OPENSEARCH_SECURITY_USER_INFO_THREAD_CONTEXT and may be
* parsed using User.parse(string).
*
* @param client Client containing user info. A public API request will fill in the user info in the thread context.
* @return parsed user object
*/
Expand All @@ -222,7 +239,7 @@ public static User getUserContext(Client client) {
* Creates a XContentParser from a given Registry
*
* @param xContentRegistry main registry for serializable content
* @param bytesReference given bytes to be parsed
* @param bytesReference given bytes to be parsed
* @return bytesReference of {@link java.time.Instant}
* @throws IOException IOException if content can't be parsed correctly
*/
Expand All @@ -233,7 +250,8 @@ public static XContentParser createXContentParserFromRegistry(NamedXContentRegis

/**
* Generates a string to string Map
* @param map content map
*
* @param map content map
* @param fieldName fieldName
* @return instance of the map
*/
Expand All @@ -249,15 +267,15 @@ public static Map<String, String> getStringToStringMap(Object map, String fieldN
* Creates a map containing the specified input keys, with values derived from template data or previous node
* output.
*
* @param requiredInputKeys A set of keys that must be present, or will cause an exception to be thrown
* @param optionalInputKeys A set of keys that may be present, or will be absent in the returned map
* @param currentNodeInputs Input params and content for this node, from workflow parsing
* @param outputs WorkflowData content of previous steps
* @param requiredInputKeys A set of keys that must be present, or will cause an exception to be thrown
* @param optionalInputKeys A set of keys that may be present, or will be absent in the returned map
* @param currentNodeInputs Input params and content for this node, from workflow parsing
* @param outputs WorkflowData content of previous steps
* @param previousNodeInputs Input params for this node that come from previous steps
* @param params Params that came from REST path
* @param params Params that came from REST path
* @return A map containing the requiredInputKeys with their corresponding values,
* and optionalInputKeys with their corresponding values if present.
* Throws a {@link FlowFrameworkException} if a required key is not present.
* and optionalInputKeys with their corresponding values if present.
* Throws a {@link FlowFrameworkException} if a required key is not present.
*/
public static Map<String, Object> getInputsFromPreviousSteps(
Set<String> requiredInputKeys,
Expand Down Expand Up @@ -346,9 +364,10 @@ public static Map<String, Object> getInputsFromPreviousSteps(

/**
* Executes substitution on the given value by looking at any matching values in either the ouputs or params map
* @param value the Object that will have the substitution done on
*
* @param value the Object that will have the substitution done on
* @param outputs potential location of values to be substituted in
* @param params potential location of values to be subsituted in
* @param params potential location of values to be subsituted in
* @return the substituted object back
*/
public static Object conditionallySubstitute(Object value, Map<String, WorkflowData> outputs, Map<String, String> params) {
Expand Down Expand Up @@ -392,6 +411,7 @@ public static Object conditionallySubstitute(Object value, Map<String, WorkflowD

/**
* Generates a string based on an arbitrary String to object map using Jackson
*
* @param map content map
* @return instance of the string
* @throws JsonProcessingException JsonProcessingException from Jackson for issues processing map
Expand All @@ -404,6 +424,7 @@ public static String parseArbitraryStringToObjectMapToString(Map<String, Object>

/**
* Generates a String to String map based on a Json File
*
* @param path file path
* @return instance of the string
* @throws JsonProcessingException JsonProcessingException from Jackson for issues processing map
Expand All @@ -413,4 +434,27 @@ public static Map<String, String> parseJsonFileToStringToStringMap(String path)
Map<String, String> mappedJsonFile = mapper.readValue(jsonContent, Map.class);
return mappedJsonFile;
}

/**
* Takes an input string, then checks if there is an array in the string with backslashes around strings
* (e.g. "[\"text\", \"hello\"]" to "["text", "hello"]"), this is needed for processors that take in string arrays,
* This also removes the quotations around the array making the array valid to consume
* (e.g. "weights": "[0.7, 0.3]" to "weights": [0.7, 0.3])
*
* @param input The inputString given to be transformed
* @return the transformed string
*/
public static String removingBackslashesAndQuotesInArrayInJsonString(String input) {
Matcher matcher = JSON_ARRAY_DOUBLE_QUOTES_PATTERN.matcher(input);
StringBuffer result = new StringBuffer();
while (matcher.find()) {
// Extract matched content and remove backslashes before quotes
String withoutEscapes = matcher.group(1).replaceAll("\\\\\"", "\"");
// Return the transformed string with the brackets but without the outer quotes
matcher.appendReplacement(result, "[" + withoutEscapes + "]");
}
// Append remaining input after the last match
matcher.appendTail(result);
return result.toString();
}
}
9 changes: 4 additions & 5 deletions src/main/java/org/opensearch/flowframework/workflow/AbstractCreatePipelineStep.java
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Original file line number Diff line number Diff line change
Expand Up @@ -85,12 +85,11 @@ public PlainActionFuture<WorkflowData> execute(
String pipelineId = (String) inputs.get(PIPELINE_ID);
String configurations = (String) inputs.get(CONFIGURATIONS);

// Special case for processors that have arrays that need to have the quotes removed
// (e.g. "weights": "[0.7, 0.3]" -> "weights": [0.7, 0.3]
// Define a regular expression pattern to match stringified arrays
String transformedJsonString = configurations.replaceAll("\"\\[(.*?)]\"", "[$1]");
// Special case for processors that have arrays that need to have the quotes around or
// backslashes around strings in array removed
String transformedJsonStringForStringArray = ParseUtils.removingBackslashesAndQuotesInArrayInJsonString(configurations);

byte[] byteArr = transformedJsonString.getBytes(StandardCharsets.UTF_8);
byte[] byteArr = transformedJsonStringForStringArray.getBytes(StandardCharsets.UTF_8);
BytesReference configurationsBytes = new BytesArray(byteArr);

String pipelineToBeCreated = this.getName();
Expand Down
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