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sysupdate: Add varlink CheckNew() method

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This is the first varlink method added to sysupdate. The D-Bus interface
(via sysupdated) will remain for now; the varlink interface will exist
in parallel.

This method can be called via:
```
varlinkctl call ./path/to/systemd-sysupdate \
  io.systemd.SysUpdate.CheckNew \
  '{"target":{"class":"host"}}'
SYSTEMD_SYSUPDATE_NO_VERIFY=1 \
varlinkctl call ./path/to/systemd-sysupdate \
  io.systemd.SysUpdate.CheckNew \
  '{"target":{"class":"component","name":"some-component"}}'
```

This includes some changes to run the integration tests again using the
varlink interface rather than running `systemd-sysupdate` directly, to
test the new interface.
This commit is contained in:
Philip Withnall
2026-06-26 13:01:53 +01:00
parent 2d201a107b
commit 7757ec3317
4 changed files with 324 additions and 25 deletions
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src/shared/varlink-io.systemd.SysUpdate.c
+50 -1
View File
@@ -3,7 +3,56 @@
#include "bus-polkit.h"
#include "varlink-io.systemd.SysUpdate.h"
static SD_VARLINK_DEFINE_ENUM_TYPE(
TargetClass,
SD_VARLINK_FIELD_COMMENT("Container or machine managed by systemd-machined.service(8)."),
SD_VARLINK_DEFINE_ENUM_VALUE(machine),
SD_VARLINK_FIELD_COMMENT("Portable service."),
SD_VARLINK_DEFINE_ENUM_VALUE(portable),
SD_VARLINK_FIELD_COMMENT("System extension managed by systemd-sysext.service(8)."),
SD_VARLINK_DEFINE_ENUM_VALUE(sysext),
SD_VARLINK_FIELD_COMMENT("Configuration extension managed by systemd-confext.service(8)."),
SD_VARLINK_DEFINE_ENUM_VALUE(confext),
SD_VARLINK_FIELD_COMMENT("Host system."),
SD_VARLINK_DEFINE_ENUM_VALUE(host),
SD_VARLINK_FIELD_COMMENT("Component managed by systemd-sysupdate.service(8)."),
SD_VARLINK_DEFINE_ENUM_VALUE(component));
static SD_VARLINK_DEFINE_STRUCT_TYPE(
TargetIdentifier,
SD_VARLINK_FIELD_COMMENT("Where the target was enumerated."),
SD_VARLINK_DEFINE_FIELD_BY_TYPE(class, TargetClass, 0),
SD_VARLINK_FIELD_COMMENT("Name of the target, unique within a class."),
SD_VARLINK_DEFINE_FIELD(name, SD_VARLINK_STRING, SD_VARLINK_NULLABLE));
static SD_VARLINK_DEFINE_METHOD(
CheckNew,
SD_VARLINK_FIELD_COMMENT("Target to check for updates for."),
SD_VARLINK_DEFINE_INPUT_BY_TYPE(target, TargetIdentifier, 0),
VARLINK_DEFINE_POLKIT_INPUT,
SD_VARLINK_FIELD_COMMENT("The version string for the new version which is available."),
SD_VARLINK_DEFINE_OUTPUT(available, SD_VARLINK_STRING, 0));
static SD_VARLINK_DEFINE_ERROR(NoUpdateNeeded);
static SD_VARLINK_DEFINE_ERROR(NoSuchTarget);
SD_VARLINK_DEFINE_INTERFACE(
io_systemd_SysUpdate,
"io.systemd.SysUpdate",
SD_VARLINK_INTERFACE_COMMENT("APIs to manage system updates"));
SD_VARLINK_INTERFACE_COMMENT("APIs to manage system updates"),
/* Methods */
SD_VARLINK_SYMBOL_COMMENT("Check if there’s a new version available"),
&vl_method_CheckNew,
/* Types */
SD_VARLINK_SYMBOL_COMMENT("Class of a Target."),
&vl_type_TargetClass,
SD_VARLINK_SYMBOL_COMMENT("Identifier for a component of the system (i.e. the host itself, a sysext, a confext, etc.) that can be updated by systemd-sysupdate(8)."),
&vl_type_TargetIdentifier,
/* Errors */
SD_VARLINK_SYMBOL_COMMENT("Error indicating that no update is currently available to update to."),
&vl_error_NoUpdateNeeded,
SD_VARLINK_SYMBOL_COMMENT("Error indicating the specified target doesn’t exist"),
&vl_error_NoSuchTarget);