Introduce nosync to speed up installability

Signed-off-by: Miroslav Vadkerti <[email protected]>

Jenkinsfile

@@ -99,6 +99,11 @@ pipeline {
                             [
                                 arch: "x86_64",
                                 os: [ compose: "${config.compose}" ],
+                                tmt: [
+                                    context: [
+                                        profile: "${config.profile_name}"
+                                    ]
+                                ]
                                 variables: [
                                     PROFILE_NAME: "${config.profile_name}",
                                     TASK_ID: "${getIdFromArtifactId(artifactId: artifactId)}",

installability.fmf

@@ -4,6 +4,13 @@ description: Runs installability tests in Fedora CI — https://github.com/fedor
 provision:
     how: virtual
 
+adjust:
+  - when: profile == fedora
+    prepare+:
+      - script: dnf -y install nosync
+    environment+:
+      LD_PRELOAD: /usr/lib64/nosync/nosync.so
+
 discover:
     how: shell
     tests:

prepare.sh

@@ -14,6 +14,12 @@ dnf -y copr enable @osci/mini-tps
 dnf -y install mini-tps
 dnf -y copr disable @osci/mini-tps
 
+# Use nosync to speed up dnf
+if grep -q fedora <<< "${PROFILE_NAME}"; then
+    dnf -y install nosync
+    export LD_PRELOAD=/usr/lib64/nosync/nosync.so
+fi
+
 # make sure mini-tps can find Koji
 # TODO: can mini-tps RPM package provide this configuration automatically?
 mkdir -p /var/tmp/mini-tps/ /usr/local/libexec/mini-tps/