From 28c75e6e5c02ee0c796d378846c2ad8f7a3a8c22 Mon Sep 17 00:00:00 2001 From: Giuseppe Scrivano Date: Thu, 16 Mar 2017 17:17:10 +0100 Subject: installer: support running as a system container Example: atomic install --system --set INVENTORY_FILE=$(pwd)/hosts.inventory \ --set SSH_ROOT=/root/.ssh \ --set PLAYBOOK_FILE=./playbooks/byo/config.yml openshift-ansible Signed-off-by: Giuseppe Scrivano --- Dockerfile | 3 + Dockerfile.rhel7 | 3 + system-container/root/exports/config.json.template | 213 +++++++++++++++++++++ system-container/root/exports/manifest.json | 10 + system-container/root/exports/service.template | 6 + system-container/root/exports/tmpfiles.template | 1 + .../root/usr/local/bin/run-system-container.sh | 3 + 7 files changed, 239 insertions(+) create mode 100644 system-container/root/exports/config.json.template create mode 100644 system-container/root/exports/manifest.json create mode 100644 system-container/root/exports/service.template create mode 100644 system-container/root/exports/tmpfiles.template create mode 100755 system-container/root/usr/local/bin/run-system-container.sh diff --git a/Dockerfile b/Dockerfile index eecf3630b..33ca69e1f 100644 --- a/Dockerfile +++ b/Dockerfile @@ -39,4 +39,7 @@ ADD . /tmp/src # as per the INSTALL_OC environment setting above RUN /usr/libexec/s2i/assemble +# Add files for running as a system container +COPY system-container/root / + CMD [ "/usr/libexec/s2i/run" ] diff --git a/Dockerfile.rhel7 b/Dockerfile.rhel7 index c5a95f586..00841e660 100644 --- a/Dockerfile.rhel7 +++ b/Dockerfile.rhel7 @@ -39,4 +39,7 @@ ENV PLAYBOOK_FILE=playbooks/byo/openshift_facts.yml \ WORK_DIR=/usr/share/ansible/openshift-ansible \ OPTS="-v" +# Add files for running as a system container +COPY system-container/root / + CMD [ "/usr/libexec/s2i/run" ] diff --git a/system-container/root/exports/config.json.template b/system-container/root/exports/config.json.template new file mode 100644 index 000000000..ede2414c1 --- /dev/null +++ b/system-container/root/exports/config.json.template @@ -0,0 +1,213 @@ +{ + "ociVersion": "1.0.0", + "platform": { + "os": "linux", + "arch": "amd64" + }, + "process": { + "terminal": false, + "consoleSize": { + "height": 0, + "width": 0 + }, + "user": { + "uid": 0, + "gid": 0 + }, + "args": [ + "/usr/local/bin/run-system-container.sh" + ], + "env": [ + "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin", + "TERM=xterm", + "OPTS=$OPTS", + "PLAYBOOK_FILE=$PLAYBOOK_FILE" + ], + "cwd": "/opt/app-root/src/", + "rlimits": [ + { + "type": "RLIMIT_NOFILE", + "hard": 1024, + "soft": 1024 + } + ], + "noNewPrivileges": true + }, + "root": { + "path": "rootfs", + "readonly": true + }, + "mounts": [ + { + "destination": "/proc", + "type": "proc", + "source": "proc" + }, + { + "destination": "/dev", + "type": "tmpfs", + "source": "tmpfs", + "options": [ + "nosuid", + "strictatime", + "mode=755", + "size=65536k" + ] + }, + { + "destination": "/dev/pts", + "type": "devpts", + "source": "devpts", + "options": [ + "nosuid", + "noexec", + "newinstance", + "ptmxmode=0666", + "mode=0620", + "gid=5" + ] + }, + { + "destination": "/dev/shm", + "type": "tmpfs", + "source": "shm", + "options": [ + "nosuid", + "noexec", + "nodev", + "mode=1777", + "size=65536k" + ] + }, + { + "destination": "/dev/mqueue", + "type": "mqueue", + "source": "mqueue", + "options": [ + "nosuid", + "noexec", + "nodev" + ] + }, + { + "destination": "/sys", + "type": "sysfs", + "source": "sysfs", + "options": [ + "nosuid", + "noexec", + "nodev", + "ro" + ] + }, + { + "type": "bind", + "source": "$SSH_ROOT", + "destination": "/opt/app-root/src/.ssh", + "options": [ + "bind", + "rw", + "mode=755" + ] + }, + { + "type": "bind", + "source": "$SSH_ROOT", + "destination": "/root/.ssh", + "options": [ + "bind", + "rw", + "mode=755" + ] + }, + { + "type": "bind", + "source": "$VAR_LIB_OPENSHIFT_INSTALLER", + "destination": "/var/lib/openshift-installer", + "options": [ + "bind", + "rw", + "mode=755" + ] + }, + { + "destination": "/root/.ansible", + "type": "tmpfs", + "source": "tmpfs", + "options": [ + "nosuid", + "strictatime", + "mode=755" + ] + }, + { + "destination": "/tmp", + "type": "tmpfs", + "source": "tmpfs", + "options": [ + "nosuid", + "strictatime", + "mode=755" + ] + }, + { + "type": "bind", + "source": "$INVENTORY_FILE", + "destination": "/etc/ansible/hosts", + "options": [ + "bind", + "rw", + "mode=755" + ] + }, + { + "destination": "/sys/fs/cgroup", + "type": "cgroup", + "source": "cgroup", + "options": [ + "nosuid", + "noexec", + "nodev", + "relatime", + "ro" + ] + } + ], + "hooks": { + + }, + "linux": { + "resources": { + "devices": [ + { + "allow": false, + "access": "rwm" + } + ] + }, + "namespaces": [ + { + "type": "pid" + }, + { + "type": "mount" + } + ], + "maskedPaths": [ + "/proc/kcore", + "/proc/latency_stats", + "/proc/timer_list", + "/proc/timer_stats", + "/proc/sched_debug", + "/sys/firmware" + ], + "readonlyPaths": [ + "/proc/asound", + "/proc/bus", + "/proc/fs", + "/proc/irq", + "/proc/sys", + "/proc/sysrq-trigger" + ] + } +} diff --git a/system-container/root/exports/manifest.json b/system-container/root/exports/manifest.json new file mode 100644 index 000000000..615b53261 --- /dev/null +++ b/system-container/root/exports/manifest.json @@ -0,0 +1,10 @@ +{ + "version": "1.0", + "defaultValues": { + "OPTS": "", + "VAR_LIB_OPENSHIFT_INSTALLER" : "/var/lib/openshift-installer", + "PLAYBOOK_FILE": "/usr/share/ansible/openshift-ansible/playbooks/byo/config.yml", + "SSH_ROOT": "/root/.ssh", + "INVENTORY_FILE": "/dev/null" + } +} diff --git a/system-container/root/exports/service.template b/system-container/root/exports/service.template new file mode 100644 index 000000000..bf5316af6 --- /dev/null +++ b/system-container/root/exports/service.template @@ -0,0 +1,6 @@ +[Service] +ExecStart=$EXEC_START +ExecStop=-$EXEC_STOP +Restart=no +WorkingDirectory=$DESTDIR +Type=oneshot diff --git a/system-container/root/exports/tmpfiles.template b/system-container/root/exports/tmpfiles.template new file mode 100644 index 000000000..327e6f45d --- /dev/null +++ b/system-container/root/exports/tmpfiles.template @@ -0,0 +1 @@ +d $VAR_LIB_OPENSHIFT_INSTALLER - - - - - diff --git a/system-container/root/usr/local/bin/run-system-container.sh b/system-container/root/usr/local/bin/run-system-container.sh new file mode 100755 index 000000000..75dbfde03 --- /dev/null +++ b/system-container/root/usr/local/bin/run-system-container.sh @@ -0,0 +1,3 @@ +#!/bin/sh + +exec ansible-playbook -i /etc/ansible/hosts ${OPTS} ${PLAYBOOK_FILE} -- cgit v1.2.3