Limit failure logging to output, but ensure that full logs are available.

Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>

.github/kokoro/continuous-db-artix7.cfg

@@ -16,7 +16,7 @@ action {
     # Whole directories
     # regex: "**/build/**" - Currently kokoro dies on number of artifacts.
     regex: "**/build/*.log"
-    regex: "**/logs/**"
+    regex: "**/logs_*/**"
     # The database
     regex: "**/database/artix7/**"
     strip_prefix: "github/symbiflow-prjxray-continuous-db-artix7/"

.github/kokoro/continuous-db-kintex7.cfg

@@ -16,7 +16,7 @@ action {
     # Whole directories
     # regex: "**/build/**" - Currently kokoro dies on number of artifacts.
     regex: "**/build/*.log"
-    regex: "**/logs/**"
+    regex: "**/logs_*/**"
     # The database
     regex: "**/database/kintex7/**"
     strip_prefix: "github/symbiflow-prjxray-continuous-db-kintex7/"

.github/kokoro/continuous-db-zynq7.cfg

@@ -16,7 +16,7 @@ action {
     # Whole directories
     # regex: "**/build/**" - Currently kokoro dies on number of artifacts.
     regex: "**/build/*.log"
-    regex: "**/logs/**"
+    regex: "**/logs_*/**"
     # The database
     regex: "**/database/zynq7/**"
     strip_prefix: "github/symbiflow-prjxray-continuous-db-zynq7/"

.github/kokoro/kokoro-cfg.py

@@ -28,7 +28,7 @@ action {
     # Whole directories
     # regex: "**/build/**" - Currently kokoro dies on number of artifacts.
     regex: "**/build/*.log"
-    regex: "**/logs/**"
+    regex: "**/logs_*/**"
     # The database
     regex: "**/database/%(part)s/**"
     strip_prefix: "github/symbiflow-prjxray-%(kokoro_type)s-db-%(part)s/"

.github/kokoro/presubmit-db-artix7.cfg

@@ -16,7 +16,7 @@ action {
     # Whole directories
     # regex: "**/build/**" - Currently kokoro dies on number of artifacts.
     regex: "**/build/*.log"
-    regex: "**/logs/**"
+    regex: "**/logs_*/**"
     # The database
     regex: "**/database/artix7/**"
     strip_prefix: "github/symbiflow-prjxray-presubmit-db-artix7/"

.github/kokoro/presubmit-db-kintex7.cfg

@@ -16,7 +16,7 @@ action {
     # Whole directories
     # regex: "**/build/**" - Currently kokoro dies on number of artifacts.
     regex: "**/build/*.log"
-    regex: "**/logs/**"
+    regex: "**/logs_*/**"
     # The database
     regex: "**/database/kintex7/**"
     strip_prefix: "github/symbiflow-prjxray-presubmit-db-kintex7/"

.github/kokoro/presubmit-db-zynq7.cfg

@@ -16,7 +16,7 @@ action {
     # Whole directories
     # regex: "**/build/**" - Currently kokoro dies on number of artifacts.
     regex: "**/build/*.log"
-    regex: "**/logs/**"
+    regex: "**/logs_*/**"
     # The database
     regex: "**/database/zynq7/**"
     strip_prefix: "github/symbiflow-prjxray-presubmit-db-zynq7/"

fuzzers/run_fuzzer.py

@@ -645,11 +645,11 @@ def run_fuzzer(fuzzer_name, fuzzer_dir, fuzzer_logdir, logger, will_retry):
 --------------------------------------------------------------------------
 !Failed! @ {time_end} with exit code: {retcode}
 --------------------------------------------------------------------------
-- STDOUT:                                                                -
+- STDOUT (see {stdout_fname} for full log):
 --------------------------------------------------------------------------
 {stdout_log}
 --------------------------------------------------------------------------
-- STDERR:                                                                -
+- STDERR (see {stderr_fname} for full log):
 --------------------------------------------------------------------------
 {stderr_log}
 --------------------------------------------------------------------------
@@ -657,8 +657,10 @@ def run_fuzzer(fuzzer_name, fuzzer_dir, fuzzer_logdir, logger, will_retry):
 --------------------------------------------------------------------------
 """,
             retcode=retcode,
-            stdout_log=open(fuzzer_stdout).read(),
-            stderr_log=open(fuzzer_stderr).read(),
+            stdout_fname=fuzzer_stdout,
+            stdout_log='\n'.join(last_lines(open(fuzzer_stdout), 1000)),
+            stderr_fname=fuzzer_stderr,
+            stderr_log='\n'.join(last_lines(open(fuzzer_stderr), 1000)),
             time_end=time_end.isoformat())
     else:
         # Log the last 100 lines of a successful run