Adds process_tags to live crashtracking tags

ext/sidecar.c

@@ -14,6 +14,7 @@
 #include "telemetry.h"
 #include "serializer.h"
 #include "remote_config.h"
+#include "process_tags.h"
 #ifndef _WIN32
 #include "coms.h"
 #endif
@@ -629,6 +630,11 @@ ddog_crasht_Metadata ddtrace_setup_crashtracking_metadata(ddog_Vec_Tag *tags) {
     const char *runtime_version = zend_get_module_version("Reflection");
     ddtrace_sidecar_push_tag(tags, DDOG_CHARSLICE_C("runtime_version"), (ddog_CharSlice) {.ptr = (char *) runtime_version, .len = strlen(runtime_version)});
 
+    zend_string *process_tags = ddtrace_process_tags_get_serialized();
+    if (process_tags) {
+        ddtrace_sidecar_push_tag(tags, DDOG_CHARSLICE_C("process_tags"), (ddog_CharSlice) {.ptr = ZSTR_VAL(process_tags), .len = ZSTR_LEN(process_tags)});
+    }
+
     return (ddog_crasht_Metadata){
         .library_name = DDOG_CHARSLICE_C_BARE("dd-trace-php"),
         .library_version = DDOG_CHARSLICE_C_BARE(PHP_DDTRACE_VERSION),

tests/ext/crashtracker_process_tags.phpt

@@ -0,0 +1,68 @@
+--TEST--
+[crasht] process tags are attached to crash report
+--SKIPIF--
+<?php
+if (!extension_loaded('posix')) die('skip: posix extension required');
+if (getenv('SKIP_ASAN') || getenv('USE_ZEND_ALLOC') === '0') die("skip: intentionally causes segfaults");
+if (getenv('PHP_PEAR_RUNTESTS') === '1') die("skip: pecl run-tests does not support %A in EXPECTF");
+if (getenv('DD_TRACE_CLI_ENABLED') === '0') die("skip: tracer is disabled");
+include __DIR__ . '/includes/skipif_no_dev_env.inc';
+?>
+--ENV--
+DD_TRACE_LOG_LEVEL=0
+DD_AGENT_HOST=request-replayer
+DD_TRACE_AGENT_PORT=80
+DD_EXPERIMENTAL_PROPAGATE_PROCESS_TAGS_ENABLED=1
+--INI--
+datadog.trace.agent_test_session_token=tests/ext/crashtracker_process_tags.phpt
+--FILE--
+<?php
+
+include __DIR__ . '/includes/request_replayer.inc';
+$rr = new RequestReplayer();
+$rr->replayRequest(); // cleanup possible leftover
+
+usleep(100000); // Let time to the sidecar to open the crashtracker socket
+
+posix_setrlimit(POSIX_RLIMIT_CORE, 0, 0);
+
+$php = getenv('TEST_PHP_EXECUTABLE');
+$args = getenv('TEST_PHP_ARGS')." ".getenv("TEST_PHP_EXTRA_ARGS");
+$cmd = $php." ".$args." -r 'posix_kill(posix_getpid(), 11);'";
+system($cmd);
+
+$rr->waitForRequest(function ($request) {
+    if ($request["uri"] != "/telemetry/proxy/api/v2/apmtelemetry") {
+        return false;
+    }
+    $body = json_decode($request["body"], true);
+    if ($body["request_type"] != "logs" || !isset($body["payload"][0]["message"])) {
+        return false;
+    }
+
+    foreach ($body["payload"] as $payload) {
+        $payload["message"] = json_decode($payload["message"], true);
+        if (!isset($payload["message"]["metadata"])) {
+            break;
+        }
+
+        $output = json_encode($payload, JSON_PRETTY_PRINT);
+        echo $output;
+
+        return true;
+    }
+
+    return false;
+});
+?>
+--EXPECTF--
+%A{
+    "message": {
+%A
+        "metadata": {
+            "library_name": "dd-trace-php",
+            "library_version": "%s",
+            "family": "php",
+            "tags": [%A
+                "process_tags:entrypoint.name:standard_input_code,entrypoint.type:script,entrypoint.workdir:%s,runtime.sapi:cli"%A
+}%A