Adding build script for kvm

To reduce size and time od contianer quay.io/qm-images/kvm Build, qcow2 images is manipulated on host Signed-off-by: Yariv Rachmani <[email protected]>
containers · Dec 12, 2024 · cac7300 · cac7300
1 parent 3ae7b49
commit cac7300
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diff --git a/rpm/qm.spec b/rpm/qm.spec
@@ -221,7 +221,6 @@ install -d %{buildroot}%{_sysconfdir}/containers/containers.conf.d
 # START - qm dropin sub-package - mount kvm            #
 ########################################################
 %if %{enable_qm_mount_bind_kvm}
-<<<<<<< HEAD
     mkdir -p %{buildroot}%{_sysconfdir}/containers/systemd/qm.container.d
     # Add config for qm only - add drop-in file in /etc/containers/systemd/qm.container.d/qm_dropin_mount_bind_kvm.conf
     # to QM env mount bind it in /dev/kvm

diff --git a/subsystems/kvm/ContainerFile b/subsystems/kvm/ContainerFile
@@ -3,30 +3,16 @@
 # How to build
 # ==================
 # podman login quay.io
-# podman build -t quay.io/qm-images/kvm:latest -f ContainerFile
+# use build_kvm_container.sh to build container
 # podman push quay.io/qm-images/kvm:latest
-FROM fedora:latest
+FROM fedora-minimal:latest
 
 ENV PASSWORD_FEDORA_USER=fedora
 
-RUN dnf -y install virt-install \
-                   libvirt-daemon \
-                   libvirt-daemon-qemu \
-                   libvirt-daemon-kvm \
-                   libvirt-daemon-config-network \
-                   guestfs-tools \
-                   wget \
-                   vim -y \
-    && dnf clean all && rm -rf /var/cache/dnf
+RUN dnf install qemu-system-$(arch) -y \
+                 && dnf clean all && rm -rf /var/cache/dnf
 
-RUN wget -O /var/lib/libvirt/images/Fedora-Cloud-Base-Generic.qcow2 https://cofractal-ewr.mm.fcix.net/fedora/linux/releases/41/Cloud/x86_64/images/Fedora-Cloud-Base-Generic-41-1.4.x86_64.qcow2
+COPY ./Fedora-Cloud-Base-Generic.qcow2 /var/lib/libvirt/images/
 
-# Set fedora user pass as fedora
-RUN export LIBGUESTFS_BACKEND=direct && \
-	virt-customize -a /var/lib/libvirt/images/Fedora-Cloud-Base-Generic.qcow2 --password fedora:password:$PASSWORD_FEDORA_USER
-
-# Permission to qemu user/group
-RUN chown qemu:qemu /var/lib/libvirt/images/Fedora-Cloud-Base-Generic.qcow2
-
-# Set systemd as the init system for the container
-ENTRYPOINT ["/usr/sbin/init"]
+# Set container stay alive
+ENTRYPOINT ["/usr/bin/qemu-system-x86_64","-smp","12","-enable-kvm","-m","2G","-machine","q35","-cpu","host","-device","virtio-net-pci,netdev=n0,mac=FE:30:26:a6:91:2d","-netdev","user,id=n0,net=10.0.2.0/24,hostfwd=tcp::2226-:22","-drive","file=/var/lib/libvirt/images/Fedora-Cloud-Base-Generic.qcow2,index=0,media=disk,format=qcow2,if=virtio,snapshot=off","-nographic"]
diff --git a/subsystems/kvm/build_kvm_container.sh b/subsystems/kvm/build_kvm_container.sh
@@ -0,0 +1,21 @@
+#!/usr/bin/bash
+
+# Install required repos
+dnf install guestfs-tools \
+            curl \
+            perl -y
+
+# Download fedora cloud image
+curl -Lo ./Fedora-Cloud-Base-Generic.qcow2 https://download.fedoraproject.org/pub/fedora/linux/releases/41/Cloud/"$(arch)"/images/Fedora-Cloud-Base-Generic-41-1.4."$(arch)".qcow2
+
+# Customize user:pass
+export LIBGUESTFS_BACKEND=direct &&   \
+      virt-customize -a ./Fedora-Cloud-Base-Generic.qcow2   \
+            --edit '/etc/ssh/sshd_config: s/#PasswordAuthentication.*/PasswordAuthentication yes/' \
+            --uninstall cloud-init \
+            --firstboot-command "useradd -m -s /bin/bash -G wheel fedora" \
+            --firstboot-command "echo 'fedora:fedora' | chpasswd"
+
+# Container build
+podman build -t quay.io/qm-images/kvm:latest -f ContainerFile
+