tests: Run config tests on all kernels we support

- Add a test for the kernel config for each supported kernel
- simplify YAML files: no need for ca certificates nor DHCP
- Explicitly state that the kernel module tests are for
  the 4.9 kernel.

Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>

test/cases/020_kernel/000_config_4.4.x/test-kernel-config.yml

@@ -0,0 +1,16 @@
+kernel:
+  image: "linuxkit/kernel:4.4.x"
+  cmdline: "console=ttyS0"
+init:
+  - linuxkit/init:cbd7ae748f0a082516501a3e914fa0c924ee941e
+  - linuxkit/runc:24dfe632ed3ff53a026ee3fac046fd544434e2d6
+  - linuxkit/containerd:f1130450206d4f64f0ddc13d15bb68435aa1ff61
+onboot:
+  - name: check-kernel-config
+    image: "linuxkit/test-kernel-config:ecff41279ccbc408079a3996a956432651c6eb9c"
+    readonly: true
+  - name: poweroff
+    image: "linuxkit/poweroff:a8f1e4ad8d459f1fdaad9e4b007512cb3b504ae8"
+    command: ["/bin/sh", "/poweroff.sh", "3"]
+outputs:
+  - format: kernel+initrd

test/cases/020_kernel/001_config_4.9.x/test-kernel-config.yml

@@ -5,19 +5,7 @@ init:
   - linuxkit/init:cbd7ae748f0a082516501a3e914fa0c924ee941e
   - linuxkit/runc:24dfe632ed3ff53a026ee3fac046fd544434e2d6
   - linuxkit/containerd:f1130450206d4f64f0ddc13d15bb68435aa1ff61
-  - linuxkit/ca-certificates:4e9a83e890e6477dcd25029fc4f1ced61d0642f4
 onboot:
-  - name: dhcpcd
-    image: "linuxkit/dhcpcd:cb96c09a33c166eca6530f166f0f79927c3e83b0"
-    binds:
-     - /var:/var
-     - /tmp:/etc
-    capabilities:
-     - CAP_NET_ADMIN
-     - CAP_NET_BIND_SERVICE
-     - CAP_NET_RAW
-    net: host
-    command: ["/sbin/dhcpcd", "--nobackground", "-f", "/dhcpcd.conf", "-1"]
   - name: check-kernel-config
     image: "linuxkit/test-kernel-config:ecff41279ccbc408079a3996a956432651c6eb9c"
     readonly: true

test/cases/020_kernel/001_config_4.9.x/test.sh

@@ -0,0 +1,23 @@
+#!/bin/sh
+# SUMMARY: Sanity check on the kernel config file
+# LABELS:
+# REPEAT:
+# AUTHOR: Dave Tucker <dt@docker.com>
+
+set -e
+
+# Source libraries. Uncomment if needed/defined
+#. "${RT_LIB}"
+. "${RT_PROJECT_ROOT}/_lib/lib.sh"
+
+clean_up() {
+	find . -iname "test-kernel-config*" -not -iname "*.yml" -exec rm -rf {} \;
+}
+trap clean_up EXIT
+
+# Test code goes here
+moby build test-kernel-config
+RESULT="$(linuxkit run qemu test-kernel-config)"
+echo "${RESULT}" | grep -q "suite PASSED"
+
+exit 0

test/cases/020_kernel/002_config_4.10.x/test-kernel-config.yml

@@ -0,0 +1,16 @@
+kernel:
+  image: "linuxkit/kernel:4.10.x"
+  cmdline: "console=ttyS0"
+init:
+  - linuxkit/init:cbd7ae748f0a082516501a3e914fa0c924ee941e
+  - linuxkit/runc:24dfe632ed3ff53a026ee3fac046fd544434e2d6
+  - linuxkit/containerd:f1130450206d4f64f0ddc13d15bb68435aa1ff61
+onboot:
+  - name: check-kernel-config
+    image: "linuxkit/test-kernel-config:ecff41279ccbc408079a3996a956432651c6eb9c"
+    readonly: true
+  - name: poweroff
+    image: "linuxkit/poweroff:a8f1e4ad8d459f1fdaad9e4b007512cb3b504ae8"
+    command: ["/bin/sh", "/poweroff.sh", "3"]
+outputs:
+  - format: kernel+initrd

test/cases/020_kernel/002_config_4.10.x/test.sh

@@ -0,0 +1,23 @@
+#!/bin/sh
+# SUMMARY: Sanity check on the kernel config file
+# LABELS:
+# REPEAT:
+# AUTHOR: Dave Tucker <dt@docker.com>
+
+set -e
+
+# Source libraries. Uncomment if needed/defined
+#. "${RT_LIB}"
+. "${RT_PROJECT_ROOT}/_lib/lib.sh"
+
+clean_up() {
+	find . -iname "test-kernel-config*" -not -iname "*.yml" -exec rm -rf {} \;
+}
+trap clean_up EXIT
+
+# Test code goes here
+moby build test-kernel-config
+RESULT="$(linuxkit run qemu test-kernel-config)"
+echo "${RESULT}" | grep -q "suite PASSED"
+
+exit 0

test/cases/020_kernel/003_config_4.11.x/test-kernel-config.yml

@@ -0,0 +1,16 @@
+kernel:
+  image: "linuxkit/kernel:4.11.x"
+  cmdline: "console=ttyS0"
+init:
+  - linuxkit/init:cbd7ae748f0a082516501a3e914fa0c924ee941e
+  - linuxkit/runc:24dfe632ed3ff53a026ee3fac046fd544434e2d6
+  - linuxkit/containerd:f1130450206d4f64f0ddc13d15bb68435aa1ff61
+onboot:
+  - name: check-kernel-config
+    image: "linuxkit/test-kernel-config:ecff41279ccbc408079a3996a956432651c6eb9c"
+    readonly: true
+  - name: poweroff
+    image: "linuxkit/poweroff:a8f1e4ad8d459f1fdaad9e4b007512cb3b504ae8"
+    command: ["/bin/sh", "/poweroff.sh", "3"]
+outputs:
+  - format: kernel+initrd

test/cases/020_kernel/003_config_4.11.x/test.sh

@@ -0,0 +1,23 @@
+#!/bin/sh
+# SUMMARY: Sanity check on the kernel config file
+# LABELS:
+# REPEAT:
+# AUTHOR: Dave Tucker <dt@docker.com>
+
+set -e
+
+# Source libraries. Uncomment if needed/defined
+#. "${RT_LIB}"
+. "${RT_PROJECT_ROOT}/_lib/lib.sh"
+
+clean_up() {
+	find . -iname "test-kernel-config*" -not -iname "*.yml" -exec rm -rf {} \;
+}
+trap clean_up EXIT
+
+# Test code goes here
+moby build test-kernel-config
+RESULT="$(linuxkit run qemu test-kernel-config)"
+echo "${RESULT}" | grep -q "suite PASSED"
+
+exit 0