build: Use Ubuntu 26.04 LTS as container base image

CMakeLists.txt

@@ -47,9 +47,14 @@ pkg_check_modules(CZMQ REQUIRED libczmq)
 pkg_check_modules(JSONC REQUIRED json-c)
 
 if(WITH_MONGODB)
-    pkg_check_modules(MONGOC REQUIRED libmongoc-1.0)
+    find_package(mongoc NAMES mongoc mongoc-1.0 REQUIRED)
     list(APPEND SENSOR_SOURCES src/storage_mongodb.c)
     add_compile_definitions(HAVE_MONGODB)
+    if(mongoc_VERSION VERSION_GREATER_EQUAL "2.0.0")
+        set(MONGOC_LIBRARIES mongoc::shared)
+    else()
+	set(MONGOC_LIBRARIES mongo::mongoc_shared)
+    endif()
 endif()
 
 if(DEFINED ENV{GIT_TAG} AND DEFINED ENV{GIT_REV})

Dockerfile

@@ -1,5 +1,5 @@
 # sensor builder image (build tools + development dependencies):
-FROM ubuntu:24.04 as sensor-builder
+FROM ubuntu:26.04@sha256:f3d28607ddd78734bb7f71f117f3c6706c666b8b76cbff7c9ff6e5718d46ff64 AS sensor-builder
 ENV DEBIAN_FRONTEND=noninteractive
 ARG BUILD_TYPE=Debug
 ARG MONGODB_SUPPORT=ON
@@ -14,15 +14,15 @@ RUN cd /usr/src/hwpc-sensor && \
     cmake --build build --parallel $(getconf _NPROCESSORS_ONLN)
 
 # sensor runner image (only runtime depedencies):
-FROM ubuntu:24.04 as sensor-runner
+FROM ubuntu:26.04@sha256:f3d28607ddd78734bb7f71f117f3c6706c666b8b76cbff7c9ff6e5718d46ff64 AS sensor-runner
 ENV DEBIAN_FRONTEND=noninteractive
 ARG BUILD_TYPE=Debug
 ARG MONGODB_SUPPORT=ON
 ARG FILE_CAPABILITY=CAP_SYS_ADMIN
 RUN useradd -d /opt/powerapi -m powerapi && \
     apt update && \
     apt install -y libczmq4 libpfm4 libjson-c5 libcap2-bin && \
-    echo "${MONGODB_SUPPORT}" |grep -iq "on" && apt install -y libmongoc-1.0-0 || true && \
+    echo "${MONGODB_SUPPORT}" |grep -iq "on" && apt install -y libmongoc2-2 || true && \
     echo "${BUILD_TYPE}" |grep -iq "debug" && apt install -y libasan8 libubsan1 || true && \
     rm -rf /var/lib/apt/lists/*
 COPY --from=sensor-builder /usr/src/hwpc-sensor/build/hwpc-sensor /usr/bin/hwpc-sensor

src/config_json.c

@@ -130,6 +130,8 @@ static int
 setup_storage_null_parameters(struct config *config __attribute__((unused)), json_object *storage_obj)
 {
     json_object_object_foreach(storage_obj, key, value) {
+        (void) value;
+
         if (!strcasecmp(key, "type")) {
             continue;
         }

src/storage_mongodb.c

@@ -29,7 +29,7 @@
  *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <mongoc.h>
+#include <mongoc/mongoc.h>
 
 #include "report.h"
 #include "storage_mongodb.h"

src/storage_mongodb.h

@@ -32,7 +32,7 @@
 #ifndef STORAGE_MONGODB_H
 #define STORAGE_MONGODB_H
 
-#include <mongoc.h>
+#include <mongoc/mongoc.h>
 
 #include "storage.h"
 #include "config.h"