Merge pull request #73 from rhatdan/main

Add demonstration of bootc

bootc/machine/Containerfile

@@ -0,0 +1,16 @@
+FROM quay.io/centos-bootc/fedora-bootc:eln
+
+RUN dnf -y update; \
+    dnf -y install podman subscription-manager crun crun-wasm crun-krun chrony; \
+    dnf -y clean all; \
+    systemctl enable podman.service; \
+    printf "\nconfdir /etc/chrony.d\n" >> /etc/chrony.conf
+
+ADD usr usr
+ADD etc etc
+
+RUN systemctl enable rhsmcertd.service podman.socket
+
+RUN groupadd -g 501 core; useradd -u 501 -g 501 core
+USER core
+RUN systemctl --user enable podman.socket

bootc/machine/etc/chrony.d/50-podman-makestep.conf

@@ -0,0 +1 @@
+makestep 1 -1

bootc/machine/etc/containers/containers.conf

@@ -0,0 +1,2 @@
+[engine]
+machine_enable=true

bootc/machine/etc/containers/registries.conf.d/999-podman-machine.conf

@@ -0,0 +1 @@
+unqualified-search-registries=["docker.io"]

bootc/machine/etc/profile.d/docker-host.sh

@@ -0,0 +1 @@
+export DOCKER_HOST="unix://$(podman info -f "{{.Host.RemoteSocket.Path}}")"

bootc/machine/etc/skel/.config/containers/containers.conf

@@ -0,0 +1,3 @@
+[containers]
+netns="bridge"
+pids_limit=0

bootc/machine/etc/skel/.config/systemd/user/default.target.wants/linger-example.service

@@ -0,0 +1 @@
+../linger-example.service

bootc/machine/etc/skel/.config/systemd/user/linger-example.service

@@ -0,0 +1,8 @@
+[Unit]
+Description", "A systemd user unit demo
+After=network-online.target
+Wants=network-online.target podman.socket
+
+[Service]
+ExecStart=/usr/bin/sleep infinity
+

bootc/machine/etc/subgid

@@ -0,0 +1 @@
+core:100000:1000000

bootc/machine/etc/subuid

@@ -0,0 +1 @@
+core:100000:1000000

bootc/machine/etc/systemd/system/user@.service.d/delegate.conf

@@ -0,0 +1,2 @@
+[Service]
+Delegate=memory pids cpu io

bootc/machine/usr/lib/sysctl.d/10-inotify-instances.conf

@@ -0,0 +1 @@
+fs.inotify.max_user_instances=524288

bootc/machine/usr/lib/tmpfiles.d/podman-docker.conf

@@ -0,0 +1 @@
+L+  /run/docker.sock   -    -    -     -   /run/user/501/podman/podman.sock

bootc/podman.sh

@@ -0,0 +1,37 @@
+#!/bin/sh
+#!/bin/sh
+
+# Setting up some colors for helping read the demo output.
+# Comment out any of the below to turn off that color.
+bold=$(tput bold)
+cyan=$(tput setaf 6)
+reset=$(tput sgr0)
+
+read_color() {
+    read -p "${bold}$1${reset}"
+}
+
+exec_color() {
+    echo -n "
+${bold}$ $1${reset}"
+    read 
+    bash -c "$1"
+}
+
+echo_color() {
+    echo "${cyan}$1${reset}"
+}
+
+IMAGE=quay.io/rhatdan/podman-machine
+clear
+exec_color "podman login quay.io"
+exec_color "cat machine/Containerfile.fcos"
+exec_color "podman build -t fcos -f machine/Containerfile.fcos machine/"
+exec_color "cat machine/Containerfile"
+exec_color "podman build --from fcos -t $IMAGE machine/"
+exec_color "podman run --rm -ti $IMAGE sh"
+clear
+exec_color "podman push $IMAGE"
+exec_color "sudo podman run --rm -it --privileged -v .:/output --pull newer quay.io/centos-bootc/bootc-image-builder --type qcow2 $IMAGE:latest"
+exec_color "sudo chown -R $UID:$UID qcow2"
+exec_color "mv qcow2/disk.qcow2 qcow2/$(basename $IMAGE).qcow2"