pkg/bpftrace: Add a trivial test for pkg/bpftrace

Signed-off-by: Simarpreet Singh <simar@linux.com>

test/cases/040_packages/002_bpftrace/check.sh

@@ -0,0 +1,9 @@
+#!/bin/sh
+
+nsenter -t1 -m -- /usr/bin/bpftrace -l
+if [ "$?" -ne "0" ]; then
+	printf "bpftrace test suite FAILED\n" >&1
+	exit 1
+fi;
+
+printf "bpftrace test suite PASSED\n" >&1

test/cases/040_packages/002_bpftrace/test.sh

@@ -0,0 +1,23 @@
+#!/bin/sh
+# SUMMARY: Check that the bpftrace package works
+# REPEAT:
+
+set -e
+
+# Source libraries. Uncomment if needed/defined
+#. "${RT_LIB}"
+. "${RT_PROJECT_ROOT}/_lib/lib.sh"
+NAME=bpftrace
+
+clean_up() {
+	rm -rf ${NAME}-*
+}
+trap clean_up EXIT
+
+# Test code goes here
+linuxkit build -format kernel+initrd -name "${NAME}" test.yml
+RESULT="$(linuxkit run ${NAME})"
+echo "${RESULT}"
+echo "${RESULT}" | grep -q "suite PASSED"
+
+exit 0

test/cases/040_packages/002_bpftrace/test.yml

@@ -0,0 +1,29 @@
+kernel:
+  image: linuxkit/kernel:4.14.86
+  cmdline: "console=ttyS0 console=ttyAMA0"
+init:
+  - linuxkit/init:v0.5
+  - linuxkit/runc:v0.5
+  - linuxkit/bpftrace:67b5c3b4f13a4acf22eab8f422091e1efc06852d
+onboot:
+  - name: bpftrace-test
+    image: alpine:3.8
+    binds:
+      - /check.sh:/check.sh
+    command: ["sh", "./check.sh"]
+    pid: host
+    net: host
+    ipc: host
+    capabilities:
+      - all
+  - name: poweroff
+    image: linuxkit/poweroff:2687ed712690766b8156a77ac600005b532d2c7d
+    command: ["/bin/sh", "/poweroff.sh", "10"]
+files:
+  - path: check.sh
+    source: ./check.sh
+trust:
+  org:
+    - linuxkit
+  image:
+    - alpine:3.8