[gnome-continuous-yocto/gnomeostree-3.28-rocko: 4206/8267] classes/rootfs-postcommands: Add write_image_test_data

[Emmanuele Bassi <ebassi src gnome org>]

commit 60e5310f56c6148675c42a170529a57381d6da12
Author: Aníbal Limón <anibal limon linux intel com>
Date:   Fri Nov 25 11:37:06 2016 -0600

    classes/rootfs-postcommands: Add write_image_test_data
    
    This function will generates testdata.json by image type.
    
    [YOCTO #10231]
    
    (From OE-Core rev: 4c0061422df472395ca0caa76ef92adb860f1167)
    
    Signed-off-by: Aníbal Limón <anibal limon linux intel com>
    Signed-off-by: Richard Purdie <richard purdie linuxfoundation org>

 meta/classes/rootfs-postcommands.bbclass |   18 ++++++++++++++++++
 1 files changed, 18 insertions(+), 0 deletions(-)
---
diff --git a/meta/classes/rootfs-postcommands.bbclass b/meta/classes/rootfs-postcommands.bbclass
index 53a4fda..c8f18c6 100644
--- a/meta/classes/rootfs-postcommands.bbclass
+++ b/meta/classes/rootfs-postcommands.bbclass
@@ -14,6 +14,9 @@ ROOTFS_POSTPROCESS_COMMAND += "rootfs_update_timestamp ; "
 # Tweak the mount options for rootfs in /etc/fstab if read-only-rootfs is enabled
 ROOTFS_POSTPROCESS_COMMAND += '${@bb.utils.contains("IMAGE_FEATURES", "read-only-rootfs", 
"read_only_rootfs_hook; ", "",d)}'
 
+# Generates test data file with data store variables expanded in json format
+ROOTFS_POSTPROCESS_COMMAND += "write_image_test_data ; "
+
 # Write manifest
 IMAGE_MANIFEST = "${IMGDEPLOYDIR}/${IMAGE_NAME}.rootfs.manifest"
 ROOTFS_POSTUNINSTALL_COMMAND =+ "write_image_manifest ; "
@@ -300,3 +303,18 @@ rootfs_check_host_user_contaminated () {
 rootfs_sysroot_relativelinks () {
        sysroot-relativelinks.py ${SDK_OUTPUT}/${SDKTARGETSYSROOT}
 }
+
+# Generated test data json file
+python write_image_test_data() {
+    from oe.data import export2json
+
+    testdata = "%s/%s.testdata.json" % (d.getVar('DEPLOY_DIR_IMAGE', True), d.getVar('IMAGE_NAME', True))
+    testdata_link = "%s/%s.testdata.json" % (d.getVar('DEPLOY_DIR_IMAGE', True), d.getVar('IMAGE_LINK_NAME', 
True))
+
+    bb.utils.mkdirhier(os.path.dirname(testdata))
+    export2json(d, testdata)
+
+    if os.path.lexists(testdata_link):
+       os.remove(testdata_link)
+    os.symlink(os.path.basename(testdata), testdata_link)
+}