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package/mender: add support for update modules

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Mender has support for performing other types of updates other than
just overwriting the rootfs partition that isn't currently in use on
the target.

Some of the default provided modules provide support for:
  - Updating a docker container.
  - Running a script.
  - Installing an RPM.
  - Overwriting a directory.
  - Updating a single-file.

The single-file update module is used by upstream for onboarding a new
device to a server, and this fails with Buildroot devices because the
modules are currently not installed.

Install the directory, script, and single-file modules by default, and
install the docker or rpm script if their respective packages are
selected.

Signed-off-by: Adam Duskett <Aduskett@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
This commit is contained in:
Adam Duskett 2020-07-15 10:37:07 -07:00 committed by Thomas Petazzoni
parent f0fd581a3a
commit 48c127aea1
1 changed files with 11 additions and 0 deletions
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11
package/mender/mender.mk
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@ -37,6 +37,13 @@ MENDER_DEPENDENCIES = xz
MENDER_LDFLAGS = -X main.Version=$(MENDER_VERSION)
MENDER_UPDATE_MODULES_FILES = \
directory \
script \
single-file
$(if $(BR2_PACKAGE_DOCKER_CLI),docker) \
$(if $(BR2_PACKAGE_RPM),rpm)
define MENDER_INSTALL_CONFIG_FILES
$(INSTALL) -d -m 755 $(TARGET_DIR)/etc/mender/scripts
echo -n "3" > $(TARGET_DIR)/etc/mender/scripts/version
@ -61,6 +68,10 @@ define MENDER_INSTALL_CONFIG_FILES
mkdir -p $(TARGET_DIR)/var/lib
ln -snf /var/run/mender $(TARGET_DIR)/var/lib/mender
$(foreach f,$(MENDER_UPDATE_MODULES_FILES), \
$(INSTALL) -D -m 0755 $(@D)/support/modules/$(notdir $(f)) \
$(TARGET_DIR)/usr/share/mender/modules/v3/$(notdir $(f))
)
endef
MENDER_POST_INSTALL_TARGET_HOOKS += MENDER_INSTALL_CONFIG_FILES