From: Chen Qi <qi.c...@windriver.com>
Support read-only rootfs by providing a specific conf file for volatile storage.
[YOCTO #3406]
Signed-off-by: Chen Qi <qi.c...@windriver.com>
---
meta/recipes-core/images/core-image-minimal.bb | 10 ++++++++++
.../images/files/volatiles-readonly-minimal | 8 ++++++++
2 files changed, 18 insertions(+)
create mode 100644 meta/recipes-core/images/files/volatiles-readonly-minimal
diff --git a/meta/recipes-core/images/core-image-minimal.bb
b/meta/recipes-core/images/core-image-minimal.bb
index 0d2613e..2e8d2ff 100644
--- a/meta/recipes-core/images/core-image-minimal.bb
+++ b/meta/recipes-core/images/core-image-minimal.bb
@@ -6,9 +6,19 @@ IMAGE_LINGUAS = " "
LICENSE = "MIT"
+FILESEXTRAPATHS_prepend := "${THISDIR}/files:"
+
+SRC_URI += "file://volatiles-readonly-minimal"
+
inherit core-image
IMAGE_ROOTFS_SIZE = "8192"
# remove not needed ipkg informations
ROOTFS_POSTPROCESS_COMMAND += "remove_packaging_data_files ; "
+
+# install read-only rootfs specific conf file for minimal image
+choose_volatile_conf () {
+ cp ${WORKDIR}/volatiles-readonly-minimal \
+ ${IMAGE_ROOTFS}/etc/default/volatiles/00_core_readonly
+}
diff --git a/meta/recipes-core/images/files/volatiles-readonly-minimal
b/meta/recipes-core/images/files/volatiles-readonly-minimal
new file mode 100644
index 0000000..b7146a2
--- /dev/null
+++ b/meta/recipes-core/images/files/volatiles-readonly-minimal
@@ -0,0 +1,8 @@
+# This configuration file lists filesystem objects specific to minimal image
+# with read-only rootfs.
+# This configuration file will only be applied if the image is minimal and the
+# rootfs is read-only.
+# For the detailed format information, refer to /etc/default/volatiles/00_core.
+d root root 0755 /var/volatile/lib/ none
+d root root 0755 /var/volatile/lib/urandom/ none
+l root root 0755 /var/lib/urandom /var/volatile/lib/urandom
--
1.7.9.5
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