Gather build log in kokoro for debugging purpose

Bug: 372162211
Test: N/A
Change-Id: I33a6356da19cea762698da2194f71a24536c1d0e
diff --git a/build/debian/kokoro/gcp_ubuntu_docker/build.sh b/build/debian/kokoro/gcp_ubuntu_docker/build.sh
index 4cc4769..a65df9f 100644
--- a/build/debian/kokoro/gcp_ubuntu_docker/build.sh
+++ b/build/debian/kokoro/gcp_ubuntu_docker/build.sh
@@ -7,3 +7,6 @@
 grep vmx /proc/cpuinfo || true
 sudo ./build.sh
 tar czvS -f ${KOKORO_ARTIFACTS_DIR}/image.tar.gz image.raw
+
+mkdir -p ${KOKORO_ARTIFACTS_DIR}/logs
+cp -r /var/log/fai/*/last/* ${KOKORO_ARTIFACTS_DIR}/logs
diff --git a/build/debian/kokoro/gcp_ubuntu_docker/continuous.cfg b/build/debian/kokoro/gcp_ubuntu_docker/continuous.cfg
index 97ebd5d..8f16d66 100644
--- a/build/debian/kokoro/gcp_ubuntu_docker/continuous.cfg
+++ b/build/debian/kokoro/gcp_ubuntu_docker/continuous.cfg
@@ -9,5 +9,6 @@
 action {
   define_artifacts {
     regex: "image.tar.gz"
+    reges: "logs/*"
   }
 }
diff --git a/build/debian/kokoro/gcp_ubuntu_docker/hourly.cfg b/build/debian/kokoro/gcp_ubuntu_docker/hourly.cfg
index 97ebd5d..8f16d66 100644
--- a/build/debian/kokoro/gcp_ubuntu_docker/hourly.cfg
+++ b/build/debian/kokoro/gcp_ubuntu_docker/hourly.cfg
@@ -9,5 +9,6 @@
 action {
   define_artifacts {
     regex: "image.tar.gz"
+    reges: "logs/*"
   }
 }
diff --git a/build/debian/kokoro/gcp_ubuntu_docker/presubmit.cfg b/build/debian/kokoro/gcp_ubuntu_docker/presubmit.cfg
index 97ebd5d..8f16d66 100644
--- a/build/debian/kokoro/gcp_ubuntu_docker/presubmit.cfg
+++ b/build/debian/kokoro/gcp_ubuntu_docker/presubmit.cfg
@@ -9,5 +9,6 @@
 action {
   define_artifacts {
     regex: "image.tar.gz"
+    reges: "logs/*"
   }
 }