This commit is contained in:
Antonio Murdaca 2018-01-05 15:38:09 +00:00 committed by GitHub
commit 5ad0016c69
8 changed files with 588 additions and 0 deletions

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FROM centos
RUN yum-config-manager --nogpgcheck --add-repo https://cbs.centos.org/repos/virt7-container-common-candidate/x86_64/os/ && \
yum install --disablerepo=extras --nogpgcheck --setopt=tsflags=nodocs -y \
btrfs-progs-devel \
device-mapper-devel \
git \
glib2-devel \
glibc-devel \
glibc-static \
go \
golang-github-cpuguy83-go-md2man \
gpgme-devel \
libassuan-devel \
libgpg-error-devel \
libseccomp-devel \
libselinux-devel \
ostree-devel \
pkgconfig \
make \
skopeo-containers \
# start runtime deps
runc \
socat \
iproute \
iptables && \
# end runtime deps
yum clean all
ENV CRIO_PR ""
ENV CRIO_COMMIT master
RUN set -x \
&& export GOPATH="$(mktemp -d)" \
&& git clone https://github.com/kubernetes-incubator/cri-o.git "$GOPATH/src/github.com/kubernetes-incubator/cri-o" \
&& cd "$GOPATH/src/github.com/kubernetes-incubator/cri-o" \
&& if [[ -n "$CRIO_PR" ]]; then git fetch origin "pull/$CRIO_PR/head:pr$CRIO_PR" && git checkout "pr$CRIO_PR"; else git checkout -q "$CRIO_COMMIT"; fi \
&& make binaries docs \
&& ./bin/crio --selinux=true --storage-driver=overlay --conmon /usr/libexec/crio/conmon --cni-plugin-dir /usr/libexec/cni --default-mounts /usr/share/rhel/secrets:/run/secrets --cgroup-manager=systemd config > crio.conf \
&& make install.config install.systemd PREFIX=/usr \
&& make install PREFIX=/usr \
&& rm -rf "$GOPATH"
RUN mkdir -p /exports/hostfs/etc/crio /exports/hostfs/opt/cni/bin/ /exports/hostfs/var/lib/containers/storage/ && \
cp /etc/crio/* /exports/hostfs/etc/crio && \
if test -e /usr/libexec/cni; then cp -Lr /usr/libexec/cni/* /exports/hostfs/opt/cni/bin/; fi
RUN sed -i '/storage_option =/s/.*/&\n"overlay.override_kernel_check=1",/' /exports/hostfs/etc/crio/crio.conf
COPY manifest.json tmpfiles.template config.json.template service.template /exports/
COPY set_mounts.sh /
COPY run.sh /usr/bin/
CMD ["/usr/bin/run.sh"]

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# cri-o
This is the cri-o daemon as a system container.
## Building the image from source:
```
# git clone https://github.com/kubernetes-incubator/cri-o
# cd contrib/test/system-container
# docker build -t cri-o .
```
## Running the system container, with the atomic CLI:
Pull from registry into ostree:
```
# atomic pull --storage ostree $REGISTRY/cri-o
```
Or alternatively, pull from local docker:
```
# atomic pull --storage ostree docker:cri-o:latest
```
Install the container:
Currently we recommend using --system-package=no to avoid having rpmbuild create an rpm file
during installation. This flag will tell the atomic CLI to fall back to copying files to the
host instead.
```
# atomic install --system --system-package=no --name=crio ($REGISTRY)/cri-o
```
Start as a systemd service:
```
# systemctl start crio
```
Stopping the service
```
# systemctl stop crio
```
Removing the container
```
# atomic uninstall crio
```
## Binary version
You can find the image automatically built as: docker.io/crio/cri-o

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{
"ociVersion": "1.0.0",
"platform": {
"arch": "amd64",
"os": "linux"
},
"process": {
"args": [
"/usr/bin/run.sh"
],
"capabilities": {
"ambient": [
"CAP_CHOWN",
"CAP_FOWNER",
"CAP_FSETID",
"CAP_KILL",
"CAP_SETGID",
"CAP_SETUID",
"CAP_SETPCAP",
"CAP_LINUX_IMMUTABLE",
"CAP_NET_BIND_SERVICE",
"CAP_NET_BROADCAST",
"CAP_NET_ADMIN",
"CAP_NET_RAW",
"CAP_IPC_LOCK",
"CAP_IPC_OWNER",
"CAP_SYS_MODULE",
"CAP_SYS_RAWIO",
"CAP_SYS_CHROOT",
"CAP_SYS_PTRACE",
"CAP_SYS_PACCT",
"CAP_SYS_ADMIN",
"CAP_SYS_BOOT",
"CAP_SYS_NICE",
"CAP_SYS_RESOURCE",
"CAP_SYS_TIME",
"CAP_SYS_TTY_CONFIG",
"CAP_MKNOD",
"CAP_LEASE",
"CAP_AUDIT_WRITE",
"CAP_AUDIT_CONTROL",
"CAP_SETFCAP",
"CAP_DAC_OVERRIDE",
"CAP_MAC_OVERRIDE",
"CAP_DAC_READ_SEARCH",
"CAP_MAC_ADMIN",
"CAP_SYSLOG",
"CAP_WAKE_ALARM",
"CAP_BLOCK_SUSPEND"
],
"bounding": [
"CAP_CHOWN",
"CAP_FOWNER",
"CAP_FSETID",
"CAP_KILL",
"CAP_SETGID",
"CAP_SETUID",
"CAP_SETPCAP",
"CAP_LINUX_IMMUTABLE",
"CAP_NET_BIND_SERVICE",
"CAP_NET_BROADCAST",
"CAP_NET_ADMIN",
"CAP_NET_RAW",
"CAP_IPC_LOCK",
"CAP_IPC_OWNER",
"CAP_SYS_MODULE",
"CAP_SYS_RAWIO",
"CAP_SYS_CHROOT",
"CAP_SYS_PTRACE",
"CAP_SYS_PACCT",
"CAP_SYS_ADMIN",
"CAP_SYS_BOOT",
"CAP_SYS_NICE",
"CAP_SYS_RESOURCE",
"CAP_SYS_TIME",
"CAP_SYS_TTY_CONFIG",
"CAP_MKNOD",
"CAP_LEASE",
"CAP_AUDIT_WRITE",
"CAP_AUDIT_CONTROL",
"CAP_SETFCAP",
"CAP_DAC_OVERRIDE",
"CAP_MAC_OVERRIDE",
"CAP_DAC_READ_SEARCH",
"CAP_MAC_ADMIN",
"CAP_SYSLOG",
"CAP_WAKE_ALARM",
"CAP_BLOCK_SUSPEND"
],
"effective": [
"CAP_CHOWN",
"CAP_FOWNER",
"CAP_FSETID",
"CAP_KILL",
"CAP_SETGID",
"CAP_SETUID",
"CAP_SETPCAP",
"CAP_LINUX_IMMUTABLE",
"CAP_NET_BIND_SERVICE",
"CAP_NET_BROADCAST",
"CAP_NET_ADMIN",
"CAP_NET_RAW",
"CAP_IPC_LOCK",
"CAP_IPC_OWNER",
"CAP_SYS_MODULE",
"CAP_SYS_RAWIO",
"CAP_SYS_CHROOT",
"CAP_SYS_PTRACE",
"CAP_SYS_PACCT",
"CAP_SYS_ADMIN",
"CAP_SYS_BOOT",
"CAP_SYS_NICE",
"CAP_SYS_RESOURCE",
"CAP_SYS_TIME",
"CAP_SYS_TTY_CONFIG",
"CAP_MKNOD",
"CAP_LEASE",
"CAP_AUDIT_WRITE",
"CAP_AUDIT_CONTROL",
"CAP_SETFCAP",
"CAP_DAC_OVERRIDE",
"CAP_MAC_OVERRIDE",
"CAP_DAC_READ_SEARCH",
"CAP_MAC_ADMIN",
"CAP_SYSLOG",
"CAP_WAKE_ALARM",
"CAP_BLOCK_SUSPEND"
],
"inheritable": [
"CAP_CHOWN",
"CAP_FOWNER",
"CAP_FSETID",
"CAP_KILL",
"CAP_SETGID",
"CAP_SETUID",
"CAP_SETPCAP",
"CAP_LINUX_IMMUTABLE",
"CAP_NET_BIND_SERVICE",
"CAP_NET_BROADCAST",
"CAP_NET_ADMIN",
"CAP_NET_RAW",
"CAP_IPC_LOCK",
"CAP_IPC_OWNER",
"CAP_SYS_MODULE",
"CAP_SYS_RAWIO",
"CAP_SYS_CHROOT",
"CAP_SYS_PTRACE",
"CAP_SYS_PACCT",
"CAP_SYS_ADMIN",
"CAP_SYS_BOOT",
"CAP_SYS_NICE",
"CAP_SYS_RESOURCE",
"CAP_SYS_TIME",
"CAP_SYS_TTY_CONFIG",
"CAP_MKNOD",
"CAP_LEASE",
"CAP_AUDIT_WRITE",
"CAP_AUDIT_CONTROL",
"CAP_SETFCAP",
"CAP_DAC_OVERRIDE",
"CAP_MAC_OVERRIDE",
"CAP_DAC_READ_SEARCH",
"CAP_MAC_ADMIN",
"CAP_SYSLOG",
"CAP_WAKE_ALARM",
"CAP_BLOCK_SUSPEND"
],
"permitted": [
"CAP_CHOWN",
"CAP_FOWNER",
"CAP_FSETID",
"CAP_KILL",
"CAP_SETGID",
"CAP_SETUID",
"CAP_SETPCAP",
"CAP_LINUX_IMMUTABLE",
"CAP_NET_BIND_SERVICE",
"CAP_NET_BROADCAST",
"CAP_NET_ADMIN",
"CAP_NET_RAW",
"CAP_IPC_LOCK",
"CAP_IPC_OWNER",
"CAP_SYS_MODULE",
"CAP_SYS_RAWIO",
"CAP_SYS_CHROOT",
"CAP_SYS_PTRACE",
"CAP_SYS_PACCT",
"CAP_SYS_ADMIN",
"CAP_SYS_BOOT",
"CAP_SYS_NICE",
"CAP_SYS_RESOURCE",
"CAP_SYS_TIME",
"CAP_SYS_TTY_CONFIG",
"CAP_MKNOD",
"CAP_LEASE",
"CAP_AUDIT_WRITE",
"CAP_AUDIT_CONTROL",
"CAP_SETFCAP",
"CAP_DAC_OVERRIDE",
"CAP_MAC_OVERRIDE",
"CAP_DAC_READ_SEARCH",
"CAP_MAC_ADMIN",
"CAP_SYSLOG",
"CAP_WAKE_ALARM",
"CAP_BLOCK_SUSPEND"
]
},
"selinuxLabel": "system_u:system_r:container_runtime_t:s0",
"cwd": "/",
"env": [
"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/local/go/bin:/root/go/bin",
"TERM=xterm",
"LOG_LEVEL=$LOG_LEVEL",
"NAME=$NAME"
],
"noNewPrivileges": false,
"terminal": false,
"user": {
"gid": 0,
"uid": 0
}
},
"root": {
"path": "rootfs",
"readonly": true
},
"hooks": {},
"linux": {
"namespaces": [
{
"type": "mount"
}
],
"resources": {
"devices": [
{
"access": "rwm",
"allow": true
}
]
},
"rootfsPropagation": "private"
},
"mounts": [
{
"destination": "/tmp",
"options": [
"private",
"bind",
"rw",
"mode=755"
],
"source": "/tmp",
"type": "bind"
},
{
"destination": "/etc",
"options": [
"rbind",
"rprivate",
"rw",
"mode=755"
],
"source": "/etc",
"type": "bind"
},
{
"destination": "/lib/modules",
"options": [
"rbind",
"rprivate",
"rw",
"mode=755"
],
"source": "/lib/modules",
"type": "bind"
},
{
"destination": "/root",
"options": [
"rbind",
"rprivate",
"rw",
"mode=755"
],
"source": "/root",
"type": "bind"
},
{
"destination": "/home",
"options": [
"rbind",
"rprivate",
"rw",
"mode=755"
],
"source": "/home",
"type": "bind"
},
{
"destination": "/mnt",
"options": [
"rbind",
"rw",
"rprivate",
"mode=755"
],
"source": "/mnt",
"type": "bind"
},
{
"type": "bind",
"source": "${RUN_DIRECTORY}",
"destination": "/run",
"options": [
"rshared",
"rbind",
"rw",
"mode=755"
]
},
{
"type": "bind",
"source": "${RUN_DIRECTORY}/systemd",
"destination": "/run/systemd",
"options": [
"rslave",
"bind",
"rw",
"mode=755"
]
},
{
"destination": "/var/log",
"options": [
"rbind",
"rslave",
"rw"
],
"source": "/var/log",
"type": "bind"
},
{
"destination": "/var/lib",
"options": [
"rbind",
"rprivate",
"rw"
],
"source": "${STATE_DIRECTORY}",
"type": "bind"
},
{
"destination": "/var/lib/containers/storage",
"options": [
"rbind",
"rshared",
"rw"
],
"source": "${VAR_LIB_CONTAINERS_STORAGE}",
"type": "bind"
},
{
"destination": "/var/lib/origin",
"options": [
"rshared",
"bind",
"rw"
],
"source": "${VAR_LIB_ORIGIN}",
"type": "bind"
},
{
"destination": "/var/lib/kubelet",
"options": [
"rshared",
"bind",
"rw"
],
"source": "${VAR_LIB_KUBE}",
"type": "bind"
},
{
"destination": "/opt/cni",
"options": [
"rbind",
"rprivate",
"ro",
"mode=755"
],
"source": "${OPT_CNI}",
"type": "bind"
},
{
"destination": "/dev",
"options": [
"rprivate",
"rbind",
"rw",
"mode=755"
],
"source": "/dev",
"type": "bind"
},
{
"destination": "/sys",
"options": [
"rprivate",
"rbind",
"rw",
"mode=755"
],
"source": "/sys",
"type": "bind"
},
{
"destination": "/proc",
"options": [
"rbind",
"rw",
"mode=755"
],
"source": "/proc",
"type": "proc"
}
]
}

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{
"version": "1.0",
"defaultValues": {
"LOG_LEVEL" : "info",
"OPT_CNI" : "/opt/cni",
"VAR_LIB_CONTAINERS_STORAGE" : "/var/lib/containers/storage",
"VAR_LIB_ORIGIN" : "/var/lib/origin",
"VAR_LIB_KUBE" : "/var/lib/kubelet"
}
}

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#!/bin/sh
# Ensure that new process maintain this SELinux label
PID=$$
LABEL=`tr -d '\000' < /proc/$PID/attr/current`
printf %s $LABEL > /proc/self/attr/exec
exec /usr/bin/crio --log-level=$LOG_LEVEL

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[Unit]
Description=crio daemon
After=network.target
[Service]
Type=notify
ExecStartPre=/bin/sh $DESTDIR/rootfs/set_mounts.sh
ExecStart=$EXEC_START
ExecStop=$EXEC_STOP
Restart=on-failure
WorkingDirectory=$DESTDIR
RuntimeDirectory=${NAME}
TasksMax=infinity
LimitNOFILE=1048576
LimitNPROC=1048576
LimitCORE=infinity
TimeoutStartSec=0
[Install]
WantedBy=multi-user.target

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#!/bin/sh
findmnt /var/lib/containers/storage > /dev/null || mount --rbind --make-shared /var/lib/containers/storage /var/lib/containers/storage
findmnt /var/lib/origin > /dev/null || mount --bind --make-shared /var/lib/origin /var/lib/origin
findmnt /var/lib/kubelet > /dev/null || mount --bind --make-shared /var/lib/kubelet /var/lib/kubelet
mount --make-shared /run
findmnt /run/systemd > /dev/null || mount --bind --make-rslave /run/systemd /run/systemd

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d ${RUN_DIRECTORY}/${NAME} - - - - -
d /etc/crio - - - - -
Z /etc/crio - - - - -
d ${STATE_DIRECTORY}/origin - - - - -
d ${STATE_DIRECTORY}/kubelet - - - - -