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kops/nodeup/pkg/model/docker.go

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/*
Copyright 2016 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package model
import (
"encoding/json"
"fmt"
"io/ioutil"
"os"
"strconv"
"strings"
"github.com/golang/glog"
"k8s.io/kops/nodeup/pkg/distros"
"k8s.io/kops/nodeup/pkg/model/resources"
"k8s.io/kops/pkg/apis/kops"
"k8s.io/kops/pkg/flagbuilder"
"k8s.io/kops/pkg/systemd"
"k8s.io/kops/upup/pkg/fi"
"k8s.io/kops/upup/pkg/fi/nodeup/nodetasks"
)
// DockerBuilder install docker (just the packages at the moment)
type DockerBuilder struct {
*NodeupModelContext
}
var _ fi.ModelBuilder = &DockerBuilder{}
type packageInfo struct {
Version string // Package version
Source string // URL to download the package from
Hash string // sha1sum of the package file
}
type dockerVersion struct {
Name string
// Version is the version of docker, as specified in the kops
Version string
// Source is the url where the package/tarfile can be found
Source string
// Hash is the sha1 hash of the file
Hash string
// Extra packages to install during the same dpkg/yum transaction.
// This is used for:
// - On RHEL/CentOS, the SELinux policy needs to be installed.
// - Starting from Docker 18.09, the Docker package has been split in 3
// separate packages: one for the daemon, one for the CLI, one for
// containerd. All 3 must be installed at the same time when
// upgrading from an older version of Docker.
ExtraPackages map[string]packageInfo
DockerVersion string
Distros []distros.Distribution
// List of dependencies that can be installed using the system's package
// manager (e.g. apt-get install or yum install).
Dependencies []string
Architectures []Architecture
// PlainBinary indicates that the Source is not an OS, but a "bare" tar.gz
PlainBinary bool
// MarkImmutable is a list of files on which we should perform a `chattr +i <file>`
MarkImmutable []string
}
// DefaultDockerVersion is the (legacy) docker version we use if one is not specified in the manifest.
// We don't change this with each version of kops, we expect newer versions of kops to populate the field.
const DefaultDockerVersion = "1.12.3"
var dockerVersions = []dockerVersion{
// 1.11.2 - Jessie
{
DockerVersion: "1.11.2",
Name: "docker-engine",
Distros: []distros.Distribution{distros.DistributionJessie},
Architectures: []Architecture{ArchitectureAmd64},
Version: "1.11.2-0~jessie",
Source: "http://apt.dockerproject.org/repo/pool/main/d/docker-engine/docker-engine_1.11.2-0~jessie_amd64.deb",
Hash: "c312f1f6fa0b34df4589bb812e4f7af8e28fd51d",
Dependencies: []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
},
// 1.11.2 - Xenial
{
DockerVersion: "1.11.2",
Name: "docker-engine",
Distros: []distros.Distribution{distros.DistributionXenial},
Architectures: []Architecture{ArchitectureAmd64},
Version: "1.11.2-0~xenial",
Source: "http://apt.dockerproject.org/repo/pool/main/d/docker-engine/docker-engine_1.11.2-0~xenial_amd64.deb",
Hash: "194bfa864f0424d1bbdc7d499ccfa0445ce09b9f",
Dependencies: []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
},
// 1.11.2 - Centos / Rhel7 (two packages)
{
DockerVersion: "1.11.2",
Name: "docker-engine",
Distros: []distros.Distribution{distros.DistributionRhel7, distros.DistributionCentos7},
Architectures: []Architecture{ArchitectureAmd64},
Version: "1.11.2",
Source: "https://yum.dockerproject.org/repo/main/centos/7/Packages/docker-engine-1.11.2-1.el7.centos.x86_64.rpm",
Hash: "432e6d7948df9e05f4190fce2f423eedbfd673d5",
ExtraPackages: map[string]packageInfo{
"docker-engine-selinux": {
Version: "1.11.2",
Source: "https://yum.dockerproject.org/repo/main/centos/7/Packages/docker-engine-selinux-1.11.2-1.el7.centos.noarch.rpm",
Hash: "f6da608fa8eeb2be8071489086ed9ff035f6daba",
},
},
Dependencies: []string{"libtool-ltdl"},
},
// 1.12.1 - Jessie
{
DockerVersion: "1.12.1",
Name: "docker-engine",
Distros: []distros.Distribution{distros.DistributionJessie},
Architectures: []Architecture{ArchitectureAmd64},
Version: "1.12.1-0~jessie",
Source: "http://apt.dockerproject.org/repo/pool/main/d/docker-engine/docker-engine_1.12.1-0~jessie_amd64.deb",
Hash: "0401866231749abaabe8e09ee24432132839fe53",
Dependencies: []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
},
// 1.12.1 - Xenial
{
DockerVersion: "1.12.1",
Name: "docker-engine",
Distros: []distros.Distribution{distros.DistributionXenial},
Architectures: []Architecture{ArchitectureAmd64},
Version: "1.12.1-0~xenial",
Source: "http://apt.dockerproject.org/repo/pool/main/d/docker-engine/docker-engine_1.12.1-0~xenial_amd64.deb",
Hash: "30f7840704361673db2b62f25b6038628184b056",
Dependencies: []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
},
// 1.12.1 - Centos / Rhel7 (two packages)
{
DockerVersion: "1.12.1",
Name: "docker-engine",
Distros: []distros.Distribution{distros.DistributionRhel7, distros.DistributionCentos7},
Architectures: []Architecture{ArchitectureAmd64},
Version: "1.12.1",
Source: "https://yum.dockerproject.org/repo/main/centos/7/Packages/docker-engine-1.12.1-1.el7.centos.x86_64.rpm",
Hash: "636471665665546224444052c3b48001397036be",
ExtraPackages: map[string]packageInfo{
"docker-engine-selinux": {
Version: "1.12.1",
Source: "https://yum.dockerproject.org/repo/main/centos/7/Packages/docker-engine-selinux-1.12.1-1.el7.centos.noarch.rpm",
Hash: "52ec22128e70acc2f76b3a8e87ff96785995116a",
},
},
Dependencies: []string{"libtool-ltdl"},
},
// 1.12.3 - k8s 1.5
// 1.12.3 - Jessie
{
DockerVersion: "1.12.3",
Name: "docker-engine",
Distros: []distros.Distribution{distros.DistributionJessie},
Architectures: []Architecture{ArchitectureAmd64},
Version: "1.12.3-0~jessie",
Source: "http://apt.dockerproject.org/repo/pool/main/d/docker-engine/docker-engine_1.12.3-0~jessie_amd64.deb",
Hash: "7c7eb45542b67a9cfb33c292ba245710efb5d773",
Dependencies: []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
//Depends: iptables, init-system-helpers (>= 1.18~), libapparmor1 (>= 2.6~devel), libc6 (>= 2.17), libdevmapper1.02.1 (>= 2:1.02.90), libltdl7 (>= 2.4.2), libsystemd0
//Recommends: aufs-tools, ca-certificates, cgroupfs-mount | cgroup-lite, git, xz-utils
},
// 1.12.3 - Jessie on ARM
{
DockerVersion: "1.12.3",
Name: "docker-engine",
Distros: []distros.Distribution{distros.DistributionJessie},
Architectures: []Architecture{ArchitectureArm},
Version: "1.12.3-0~jessie",
Source: "http://apt.dockerproject.org/repo/pool/main/d/docker-engine/docker-engine_1.12.3-0~jessie_armhf.deb",
Hash: "aa2f2f710360268dc5fd3eb066868c5883d95698",
Dependencies: []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
},
// 1.12.3 - Xenial
{
DockerVersion: "1.12.3",
Name: "docker-engine",
Distros: []distros.Distribution{distros.DistributionXenial},
Architectures: []Architecture{ArchitectureAmd64},
Version: "1.12.3-0~xenial",
Source: "http://apt.dockerproject.org/repo/pool/main/d/docker-engine/docker-engine_1.12.3-0~xenial_amd64.deb",
Hash: "b758fc88346a1e5eebf7408b0d0c99f4f134166c",
Dependencies: []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
},
// 1.12.3 - Centos / Rhel7 (two packages)
{
DockerVersion: "1.12.3",
Name: "docker-engine",
Distros: []distros.Distribution{distros.DistributionRhel7, distros.DistributionCentos7},
Architectures: []Architecture{ArchitectureAmd64},
Version: "1.12.3",
Source: "https://yum.dockerproject.org/repo/main/centos/7/Packages/docker-engine-1.12.3-1.el7.centos.x86_64.rpm",
Hash: "67fbb78cfb9526aaf8142c067c10384df199d8f9",
ExtraPackages: map[string]packageInfo{
"docker-engine-selinux": {
Version: "1.12.3",
Source: "https://yum.dockerproject.org/repo/main/centos/7/Packages/docker-engine-selinux-1.12.3-1.el7.centos.noarch.rpm",
Hash: "a6b0243af348140236ed96f2e902b259c590eefa",
},
},
Dependencies: []string{"libtool-ltdl", "libseccomp"},
},
// 1.12.6 - k8s 1.6
// 1.12.6 - Jessie
{
DockerVersion: "1.12.6",
Name: "docker-engine",
Distros: []distros.Distribution{distros.DistributionJessie},
Architectures: []Architecture{ArchitectureAmd64},
Version: "1.12.6-0~debian-jessie",
Source: "http://apt.dockerproject.org/repo/pool/main/d/docker-engine/docker-engine_1.12.6-0~debian-jessie_amd64.deb",
Hash: "1a8b0c4e3386e12964676a126d284cebf599cc8e",
Dependencies: []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
//Depends: iptables, init-system-helpers (>= 1.18~), libapparmor1 (>= 2.6~devel), libc6 (>= 2.17), libdevmapper1.02.1 (>= 2:1.02.90), libltdl7 (>= 2.4.2), libsystemd0
//Recommends: aufs-tools, ca-certificates, cgroupfs-mount | cgroup-lite, git, xz-utils
},
// 1.12.6 - Debian9 (stretch)
{
DockerVersion: "1.12.6",
Name: "docker-engine",
Distros: []distros.Distribution{distros.DistributionDebian9},
Architectures: []Architecture{ArchitectureAmd64},
Version: "1.12.6-0~debian-stretch",
Source: "http://apt.dockerproject.org/repo/pool/main/d/docker-engine/docker-engine_1.12.6-0~debian-stretch_amd64.deb",
Hash: "18bb7d024658f27a1221eae4de78d792bf00611b",
Dependencies: []string{"bridge-utils", "libapparmor1", "libltdl7", "perl", "libseccomp2"},
//Depends: iptables, init-system-helpers (>= 1.18~), libapparmor1 (>= 2.6~devel), libc6 (>= 2.17), libdevmapper1.02.1 (>= 2:1.02.97), libltdl7 (>= 2.4.6), libseccomp2 (>= 2.1.0), libsystemd0
//Recommends: aufs-tools, ca-certificates, cgroupfs-mount | cgroup-lite, git, xz-utils
},
// 1.12.6 - Jessie on ARM
{
DockerVersion: "1.12.6",
Name: "docker-engine",
Distros: []distros.Distribution{distros.DistributionJessie},
Architectures: []Architecture{ArchitectureArm},
Version: "1.12.6-0~debian-jessie",
Source: "http://apt.dockerproject.org/repo/pool/main/d/docker-engine/docker-engine_1.12.6-0~debian-jessie_armhf.deb",
Hash: "ac148e1f7381e4201e139584dd3c102372ad96fb",
Dependencies: []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
},
// 1.12.6 - Xenial
{
DockerVersion: "1.12.6",
Name: "docker-engine",
Distros: []distros.Distribution{distros.DistributionXenial},
Architectures: []Architecture{ArchitectureAmd64},
Version: "1.12.6-0~ubuntu-xenial",
Source: "http://apt.dockerproject.org/repo/pool/main/d/docker-engine/docker-engine_1.12.6-0~ubuntu-xenial_amd64.deb",
Hash: "fffc22da4ad5b20715bbb6c485b2d2bb7e84fd33",
Dependencies: []string{"bridge-utils", "iptables", "libapparmor1", "libltdl7", "perl"},
// Depends: iptables, init-system-helpers (>= 1.18~), lsb-base (>= 4.1+Debian11ubuntu7), libapparmor1 (>= 2.6~devel), libc6 (>= 2.17), libdevmapper1.02.1 (>= 2:1.02.97), libltdl7 (>= 2.4.6), libseccomp2 (>= 2.1.0), libsystemd0
},
// 1.12.6 - Centos / Rhel7 (two packages)
{
DockerVersion: "1.12.6",
Name: "docker-engine",
Distros: []distros.Distribution{distros.DistributionRhel7, distros.DistributionCentos7},
Architectures: []Architecture{ArchitectureAmd64},
Version: "1.12.6",
Source: "https://yum.dockerproject.org/repo/main/centos/7/Packages/docker-engine-1.12.6-1.el7.centos.x86_64.rpm",
Hash: "776dbefa9dc7733000e46049293555a9a422c50e",
ExtraPackages: map[string]packageInfo{
"docker-engine-selinux": {
Version: "1.12.6",
Source: "https://yum.dockerproject.org/repo/main/centos/7/Packages/docker-engine-selinux-1.12.6-1.el7.centos.noarch.rpm",
Hash: "9a6ee0d631ca911b6927450a3c396e9a5be75047",
},
},
Dependencies: []string{"libtool-ltdl", "libseccomp", "libcgroup", "policycoreutils-python"},
},
// 1.13.1 - k8s 1.8
// 1.13.1 - Debian9 (stretch)
{
DockerVersion: "1.13.1",
Name: "docker-engine",
Distros: []distros.Distribution{distros.DistributionDebian9},
Architectures: []Architecture{ArchitectureAmd64},
Version: "1.13.1-0~debian-stretch",
Source: "http://apt.dockerproject.org/repo/pool/main/d/docker-engine/docker-engine_1.13.1-0~debian-stretch_amd64.deb",
Hash: "19296514610aa2e5efddade5222cafae7894a689",
Dependencies: []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
//Depends: iptables, init-system-helpers (>= 1.18~), libapparmor1 (>= 2.6~devel), libc6 (>= 2.17), libdevmapper1.02.1 (>= 2:1.02.90), libltdl7 (>= 2.4.2), libsystemd0
//Recommends: aufs-tools, ca-certificates, cgroupfs-mount | cgroup-lite, git, xz-utils
},
// 1.13.1 - Jessie
{
DockerVersion: "1.13.1",
Name: "docker-engine",
Distros: []distros.Distribution{distros.DistributionJessie},
Architectures: []Architecture{ArchitectureAmd64},
Version: "1.13.1-0~debian-jessie",
Source: "http://apt.dockerproject.org/repo/pool/main/d/docker-engine/docker-engine_1.13.1-0~debian-jessie_amd64.deb",
Hash: "1d3370549e32ea13b2755b2db8dbc82b2b787ece",
Dependencies: []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
//Depends: iptables, init-system-helpers (>= 1.18~), libapparmor1 (>= 2.6~devel), libc6 (>= 2.17), libdevmapper1.02.1 (>= 2:1.02.90), libltdl7 (>= 2.4.2), libsystemd0
//Recommends: aufs-tools, ca-certificates, cgroupfs-mount | cgroup-lite, git, xz-utils
},
// 1.13.1 - Jessie on ARM
{
DockerVersion: "1.13.1",
Name: "docker-engine",
Distros: []distros.Distribution{distros.DistributionJessie},
Architectures: []Architecture{ArchitectureArm},
Version: "1.13.1-0~debian-jessie",
Source: "http://apt.dockerproject.org/repo/pool/main/d/docker-engine/docker-engine_1.13.1-0~debian-jessie_armhf.deb",
Hash: "a3f252c5fbb2d3266be611bee50e1f331ff8d05f",
Dependencies: []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
},
// 1.13.1 - Xenial
{
DockerVersion: "1.13.1",
Name: "docker-engine",
Distros: []distros.Distribution{distros.DistributionXenial},
Architectures: []Architecture{ArchitectureAmd64},
Version: "1.13.1-0~ubuntu-xenial",
Source: "http://apt.dockerproject.org/repo/pool/main/d/docker-engine/docker-engine_1.13.1-0~ubuntu-xenial_amd64.deb",
Hash: "d12cbd686f44536c679a03cf0137df163f0bba5f",
Dependencies: []string{"bridge-utils", "iptables", "libapparmor1", "libltdl7", "perl"},
// Depends: iptables, init-system-helpers (>= 1.18~), lsb-base (>= 4.1+Debian11ubuntu7), libapparmor1 (>= 2.6~devel), libc6 (>= 2.17), libdevmapper1.02.1 (>= 2:1.02.97), libltdl7 (>= 2.4.6), libseccomp2 (>= 2.1.0), libsystemd0
},
// 1.13.1 - Centos / Rhel7 (two packages)
{
DockerVersion: "1.13.1",
Name: "docker-engine",
Distros: []distros.Distribution{distros.DistributionRhel7, distros.DistributionCentos7},
Architectures: []Architecture{ArchitectureAmd64},
Version: "1.13.1",
Source: "https://yum.dockerproject.org/repo/main/centos/7/Packages/docker-engine-1.13.1-1.el7.centos.x86_64.rpm",
Hash: "b18f7fd8057665e7d2871d29640e214173f70fe1",
ExtraPackages: map[string]packageInfo{
"docker-engine-selinux": {
Version: "1.13.1",
Source: "https://yum.dockerproject.org/repo/main/centos/7/Packages/docker-engine-selinux-1.13.1-1.el7.centos.noarch.rpm",
Hash: "948c518a610af631fa98aa32d9bcd43e9ddd5ebc",
},
},
Dependencies: []string{"libtool-ltdl", "libseccomp", "libcgroup", "policycoreutils-python", "selinux-policy-base", "selinux-policy-targeted"},
},
// 17.03.2 - k8s 1.8
// 17.03.2 - Debian9 (stretch)
{
DockerVersion: "17.03.2",
Name: "docker-ce",
Distros: []distros.Distribution{distros.DistributionDebian9},
Architectures: []Architecture{ArchitectureAmd64},
Version: "17.03.2~ce-0~debian-stretch",
Source: "http://download.docker.com/linux/debian/dists/stretch/pool/stable/amd64/docker-ce_17.03.2~ce-0~debian-stretch_amd64.deb",
Hash: "36773361cf44817371770cb4e6e6823590d10297",
Dependencies: []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
MarkImmutable: []string{"/usr/bin/docker-runc"},
},
// 17.03.2 - Jessie
{
DockerVersion: "17.03.2",
Name: "docker-ce",
Distros: []distros.Distribution{distros.DistributionJessie},
Architectures: []Architecture{ArchitectureAmd64},
Version: "17.03.2~ce-0~debian-jessie",
Source: "http://download.docker.com/linux/debian/dists/jessie/pool/stable/amd64/docker-ce_17.03.2~ce-0~debian-jessie_amd64.deb",
Hash: "a7ac54aaa7d33122ca5f7a2df817cbefb5cdbfc7",
Dependencies: []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
MarkImmutable: []string{"/usr/bin/docker-runc"},
},
// 17.03.2 - Jessie on ARM
{
DockerVersion: "17.03.2",
Name: "docker-ce",
Distros: []distros.Distribution{distros.DistributionJessie},
Architectures: []Architecture{ArchitectureArm},
Version: "17.03.2~ce-0~debian-jessie",
Source: "http://download.docker.com/linux/debian/dists/jessie/pool/stable/armhf/docker-ce_17.03.2~ce-0~debian-jessie_armhf.deb",
Hash: "71e425b83ce0ef49d6298d61e61c4efbc76b9c65",
Dependencies: []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
MarkImmutable: []string{"/usr/bin/docker-runc"},
},
// 17.03.2 - Xenial
{
DockerVersion: "17.03.2",
Name: "docker-ce",
Distros: []distros.Distribution{distros.DistributionXenial},
Architectures: []Architecture{ArchitectureAmd64},
Version: "17.03.2~ce-0~ubuntu-xenial",
Source: "http://download.docker.com/linux/ubuntu/dists/xenial/pool/stable/amd64/docker-ce_17.03.2~ce-0~ubuntu-xenial_amd64.deb",
Hash: "4dcee1a05ec592e8a76e53e5b464ea43085a2849",
Dependencies: []string{"bridge-utils", "iptables", "libapparmor1", "libltdl7", "perl"},
MarkImmutable: []string{"/usr/bin/docker-runc"},
},
// 17.03.2 - Ubuntu Bionic via binary download (no packages available)
{
DockerVersion: "17.03.2",
PlainBinary: true,
Distros: []distros.Distribution{distros.DistributionBionic},
Architectures: []Architecture{ArchitectureAmd64},
Source: "http://download.docker.com/linux/static/stable/x86_64/docker-17.03.2-ce.tgz",
Hash: "141716ae046016a1792ce232a0f4c8eed7fe37d1",
Dependencies: []string{"bridge-utils", "iptables", "libapparmor1", "libltdl7", "perl"},
MarkImmutable: []string{"/usr/bin/docker-runc"},
},
// 17.03.2 - Centos / Rhel7 (two packages)
{
DockerVersion: "17.03.2",
Name: "docker-ce",
Distros: []distros.Distribution{distros.DistributionRhel7, distros.DistributionCentos7},
Architectures: []Architecture{ArchitectureAmd64},
Version: "17.03.2.ce",
Source: "https://download.docker.com/linux/centos/7/x86_64/stable/Packages/docker-ce-17.03.2.ce-1.el7.centos.x86_64.rpm",
Hash: "494ca888f5b1553f93b9d9a5dad4a67f76cf9eb5",
ExtraPackages: map[string]packageInfo{
"docker-ce-selinux": {
Version: "17.03.2.ce",
Source: "https://download.docker.com/linux/centos/7/x86_64/stable/Packages/docker-ce-selinux-17.03.2.ce-1.el7.centos.noarch.rpm",
Hash: "4659c937b66519c88ef2a82a906bb156db29d191",
},
},
Dependencies: []string{"libtool-ltdl", "libseccomp", "libcgroup", "policycoreutils-python"},
MarkImmutable: []string{"/usr/bin/docker-runc"},
},
// 17.09.0 - k8s 1.8
// 17.09.0 - Jessie
{
DockerVersion: "17.09.0",
Name: "docker-ce",
Distros: []distros.Distribution{distros.DistributionJessie},
Architectures: []Architecture{ArchitectureAmd64},
Version: "17.09.0~ce-0~debian",
Source: "http://download.docker.com/linux/debian/dists/jessie/pool/stable/amd64/docker-ce_17.09.0~ce-0~debian_amd64.deb",
Hash: "430ba87f8aa36fedcac1a48e909cbe1830b53845",
Dependencies: []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
},
// 17.09.0 - Jessie on ARM
{
DockerVersion: "17.09.0",
Name: "docker-ce",
Distros: []distros.Distribution{distros.DistributionJessie},
Architectures: []Architecture{ArchitectureArm},
Version: "17.09.0~ce-0~debian",
Source: "http://download.docker.com/linux/debian/dists/jessie/pool/stable/armhf/docker-ce_17.09.0~ce-0~debian_armhf.deb",
Hash: "5001a1defec7c33aa58ddebbd3eae6ebb5f36479",
Dependencies: []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
},
// 17.09.0 - Debian9 (stretch)
{
DockerVersion: "17.09.0",
Name: "docker-ce",
Distros: []distros.Distribution{distros.DistributionDebian9},
Architectures: []Architecture{ArchitectureAmd64},
Version: "17.09.0~ce-0~debian",
Source: "http://download.docker.com/linux/debian/dists/stretch/pool/stable/amd64/docker-ce_17.09.0~ce-0~debian_amd64.deb",
Hash: "70aa5f96cf00f11374b6593ccf4ed120a65375d2",
Dependencies: []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
},
// 17.09.0 - Xenial
{
DockerVersion: "17.09.0",
Name: "docker-ce",
Distros: []distros.Distribution{distros.DistributionXenial},
Architectures: []Architecture{ArchitectureAmd64},
Version: "17.09.0~ce-0~ubuntu",
Source: "http://download.docker.com/linux/ubuntu/dists/xenial/pool/stable/amd64/docker-ce_17.09.0~ce-0~ubuntu_amd64.deb",
Hash: "94f6e89be6d45d9988269a237eb27c7d6a844d7f",
Dependencies: []string{"bridge-utils", "iptables", "libapparmor1", "libltdl7", "perl"},
//Depends: iptables, init-system-helpers, lsb-base, libapparmor1, libc6, libdevmapper1.02.1, libltdl7, libeseccomp2, libsystemd0
//Recommends: aufs-tools, ca-certificates, cgroupfs-mount | cgroup-lite, git, xz-utils, apparmor
},
// 18.06.2 - Xenial
{
DockerVersion: "18.06.2",
Name: "docker-ce",
Distros: []distros.Distribution{distros.DistributionXenial},
Architectures: []Architecture{ArchitectureAmd64},
Version: "18.06.2~ce~3-0~ubuntu",
Source: "https://download.docker.com/linux/ubuntu/dists/xenial/pool/stable/amd64/docker-ce_18.06.2~ce~3-0~ubuntu_amd64.deb",
Hash: "03e5eaae9c84b144e1140d9b418e43fce0311892",
Dependencies: []string{"bridge-utils", "iptables", "libapparmor1", "libltdl7", "perl"},
//Depends: iptables, init-system-helpers, lsb-base, libapparmor1, libc6, libdevmapper1.02.1, libltdl7, libeseccomp2, libsystemd0
//Recommends: aufs-tools, ca-certificates, cgroupfs-mount | cgroup-lite, git, xz-utils, apparmor
},
// 17.09.0 - Centos / Rhel7 (two packages)
{
DockerVersion: "17.09.0",
Name: "docker-ce",
Distros: []distros.Distribution{distros.DistributionRhel7, distros.DistributionCentos7},
Architectures: []Architecture{ArchitectureAmd64},
Version: "17.09.0.ce",
Source: "https://download.docker.com/linux/centos/7/x86_64/stable/Packages/docker-ce-17.09.0.ce-1.el7.centos.x86_64.rpm",
Hash: "b4ce72e80ff02926de943082821bbbe73958f87a",
ExtraPackages: map[string]packageInfo{
"container-selinux": {
Version: "2.68",
Source: "http://mirror.centos.org/centos/7/extras/x86_64/Packages/container-selinux-2.68-1.el7.noarch.rpm",
Hash: "d9f87f7f4f2e8e611f556d873a17b8c0c580fec0",
},
},
Dependencies: []string{"libtool-ltdl", "libseccomp", "libcgroup", "policycoreutils-python"},
},
// 18.03.1 - Bionic
{
DockerVersion: "18.03.1",
Name: "docker-ce",
Distros: []distros.Distribution{distros.DistributionBionic},
Architectures: []Architecture{ArchitectureAmd64},
Version: "18.03.1~ce~3-0~ubuntu",
Source: "https://download.docker.com/linux/ubuntu/dists/bionic/pool/stable/amd64/docker-ce_18.03.1~ce~3-0~ubuntu_amd64.deb",
Hash: "b55b32bd0e9176dd32b1e6128ad9fda10a65cc8b",
Dependencies: []string{"bridge-utils", "iptables", "libapparmor1", "libltdl7", "perl"},
//Depends: iptables, init-system-helpers, lsb-base, libapparmor1, libc6, libdevmapper1.02.1, libltdl7, libeseccomp2, libsystemd0
//Recommends: aufs-tools, ca-certificates, cgroupfs-mount | cgroup-lite, git, xz-utils, apparmor
},
// 18.06.2 - Bionic
{
DockerVersion: "18.06.2",
Name: "docker-ce",
Distros: []distros.Distribution{distros.DistributionBionic},
Architectures: []Architecture{ArchitectureAmd64},
Version: "18.06.2~ce~3-0~ubuntu",
Source: "https://download.docker.com/linux/ubuntu/dists/bionic/pool/stable/amd64/docker-ce_18.06.2~ce~3-0~ubuntu_amd64.deb",
Hash: "9607c67644e3e1ad9661267c99499004f2e84e05",
Dependencies: []string{"bridge-utils", "iptables", "libapparmor1", "libltdl7", "perl"},
//Depends: iptables, init-system-helpers, lsb-base, libapparmor1, libc6, libdevmapper1.02.1, libltdl7, libeseccomp2, libsystemd0
//Recommends: aufs-tools, ca-certificates, cgroupfs-mount | cgroup-lite, git, xz-utils, apparmor
},
// 18.06.1 - Debian Stretch
{
DockerVersion: "18.06.1",
Name: "docker-ce",
Distros: []distros.Distribution{distros.DistributionDebian9},
Architectures: []Architecture{ArchitectureAmd64},
Version: "18.06.1~ce~3-0~debian",
Source: "https://download.docker.com/linux/debian/dists/stretch/pool/stable/amd64/docker-ce_18.06.1~ce~3-0~debian_amd64.deb",
Hash: "18473b80e61b6d4eb8b52d87313abd71261287e5",
Dependencies: []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
},
// 18.06.2 - Debian Stretch
{
DockerVersion: "18.06.2",
Name: "docker-ce",
Distros: []distros.Distribution{distros.DistributionDebian9},
Architectures: []Architecture{ArchitectureAmd64},
Version: "18.06.2~ce~3-0~debian",
Source: "https://download.docker.com/linux/debian/dists/stretch/pool/stable/amd64/docker-ce_18.06.2~ce~3-0~debian_amd64.deb",
Hash: "aad1efd2c90725034e996c6a368ccc2bf41ca5b8",
Dependencies: []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
},
// 18.06.2 - Jessie
{
DockerVersion: "18.06.2",
Name: "docker-ce",
Distros: []distros.Distribution{distros.DistributionJessie},
Architectures: []Architecture{ArchitectureAmd64},
Version: "18.06.2~ce~3-0~debian",
Source: "https://download.docker.com/linux/debian/dists/jessie/pool/stable/amd64/docker-ce_18.06.2~ce~3-0~debian_amd64.deb",
Hash: "1a2500311230aff37aa81dd1292a88302fb0a2e1",
Dependencies: []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
},
// 18.06.1 - CentOS / Rhel7 (two packages)
{
DockerVersion: "18.06.1",
Name: "docker-ce",
Distros: []distros.Distribution{distros.DistributionRhel7, distros.DistributionCentos7},
Architectures: []Architecture{ArchitectureAmd64},
Version: "18.06.1.ce",
Source: "https://download.docker.com/linux/centos/7/x86_64/stable/Packages/docker-ce-18.06.1.ce-3.el7.x86_64.rpm",
Hash: "0a1325e570c5e54111a79623c9fd0c0c714d3a11",
ExtraPackages: map[string]packageInfo{
"container-selinux": {
Version: "2.68",
Source: "http://mirror.centos.org/centos/7/extras/x86_64/Packages/container-selinux-2.68-1.el7.noarch.rpm",
Hash: "d9f87f7f4f2e8e611f556d873a17b8c0c580fec0",
},
},
Dependencies: []string{"libtool-ltdl", "libseccomp", "libcgroup", "policycoreutils-python"},
},
// 18.09.3 - Debian Stretch
{
DockerVersion: "18.09.3",
Name: "docker-ce",
Distros: []distros.Distribution{distros.DistributionDebian9},
Architectures: []Architecture{ArchitectureAmd64},
Version: "18.09.3~3-0~debian-stretch",
Source: "https://download.docker.com/linux/debian/dists/stretch/pool/stable/amd64/docker-ce_18.09.3~3-0~debian-stretch_amd64.deb",
Hash: "009b9a2d8bfaa97c74773fe4ec25b6bb396b10d0",
ExtraPackages: map[string]packageInfo{
"docker-ce-cli": {
Version: "18.09.3~3-0~debian-stretch",
Source: "https://download.docker.com/linux/debian/dists/stretch/pool/stable/amd64/docker-ce-cli_18.09.3~3-0~debian-stretch_amd64.deb",
Hash: "557f868ec63e5251639ebd1d8669eb0c61dd555c",
},
"containerd.io": {
Version: "1.2.4-1",
Source: "https://download.docker.com/linux/debian/dists/stretch/pool/stable/amd64/containerd.io_1.2.4-1_amd64.deb",
Hash: "48c6ab0c908316af9a183de5aad64703bc516bdf",
},
},
Dependencies: []string{"bridge-utils", "libapparmor1", "libltdl7"},
},
// 18.06.2 - CentOS / Rhel7 (two packages)
{
DockerVersion: "18.06.2",
Name: "container-selinux",
Distros: []distros.Distribution{distros.DistributionRhel7, distros.DistributionCentos7},
Architectures: []Architecture{ArchitectureAmd64},
Version: "2.68",
Source: "http://mirror.centos.org/centos/7/extras/x86_64/Packages/container-selinux-2.68-1.el7.noarch.rpm",
Hash: "d9f87f7f4f2e8e611f556d873a17b8c0c580fec0",
Dependencies: []string{"policycoreutils-python"},
},
{
DockerVersion: "18.06.2",
Name: "docker-ce",
Distros: []distros.Distribution{distros.DistributionRhel7, distros.DistributionCentos7},
Architectures: []Architecture{ArchitectureAmd64},
Version: "18.06.2.ce",
Source: "https://download.docker.com/linux/centos/7/x86_64/stable/Packages/docker-ce-18.06.2.ce-3.el7.x86_64.rpm",
Hash: "456eb7c5bfb37fac342e9ade21b602c076c5b367",
Dependencies: []string{"libtool-ltdl", "libseccomp", "libcgroup"},
},
// 18.06.3 (contains fix for CVE-2019-5736)
// 18.06.3 - Bionic
{
DockerVersion: "18.06.3",
Name: "docker-ce",
Distros: []distros.Distribution{distros.DistributionBionic},
Architectures: []Architecture{ArchitectureAmd64},
Version: "18.06.3~ce~3-0~ubuntu",
Source: "https://download.docker.com/linux/ubuntu/dists/bionic/pool/stable/amd64/docker-ce_18.06.3~ce~3-0~ubuntu_amd64.deb",
Hash: "b396678a8b70f0503a7b944fa6e3297ab27b345b",
Dependencies: []string{"bridge-utils", "iptables", "libapparmor1", "libltdl7", "perl"},
//Depends: iptables, init-system-helpers, lsb-base, libapparmor1, libc6, libdevmapper1.02.1, libltdl7, libeseccomp2, libsystemd0
//Recommends: aufs-tools, ca-certificates, cgroupfs-mount | cgroup-lite, git, xz-utils, apparmor
},
// 18.06.3 - Debian Stretch
{
DockerVersion: "18.06.3",
Name: "docker-ce",
Distros: []distros.Distribution{distros.DistributionDebian9},
Architectures: []Architecture{ArchitectureAmd64},
Version: "18.06.3~ce~3-0~debian",
Source: "https://download.docker.com/linux/debian/dists/stretch/pool/stable/amd64/docker-ce_18.06.3~ce~3-0~debian_amd64.deb",
Hash: "93b5a055a39462867d79109b00db1367e3d9e32f",
Dependencies: []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
},
// 18.06.3 - Jessie
{
DockerVersion: "18.06.3",
Name: "docker-ce",
Distros: []distros.Distribution{distros.DistributionJessie},
Architectures: []Architecture{ArchitectureAmd64},
Version: "18.06.3~ce~3-0~debian",
Source: "https://download.docker.com/linux/debian/dists/jessie/pool/stable/amd64/docker-ce_18.06.3~ce~3-0~debian_amd64.deb",
Hash: "058bcd4b055560866b8cad978c7aa224694602da",
Dependencies: []string{"bridge-utils", "libapparmor1", "libltdl7", "perl"},
},
// 18.06.3 - CentOS / Rhel7 (two packages)
{
DockerVersion: "18.06.3",
Name: "docker-ce",
Distros: []distros.Distribution{distros.DistributionRhel7, distros.DistributionCentos7},
Architectures: []Architecture{ArchitectureAmd64},
Version: "18.06.3.ce",
Source: "https://download.docker.com/linux/centos/7/x86_64/stable/Packages/docker-ce-18.06.3.ce-3.el7.x86_64.rpm",
Hash: "5369602f88406d4fb9159dc1d3fd44e76fb4cab8",
ExtraPackages: map[string]packageInfo{
"container-selinux": {
Version: "2.68",
Source: "http://mirror.centos.org/centos/7/extras/x86_64/Packages/container-selinux-2.68-1.el7.noarch.rpm",
Hash: "d9f87f7f4f2e8e611f556d873a17b8c0c580fec0",
},
},
Dependencies: []string{"libtool-ltdl", "libseccomp", "libcgroup", "policycoreutils-python"},
},
// TIP: When adding the next version, copy the previous
// version, string replace the version, run `VERIFY_HASHES=1
// go test ./nodeup/pkg/model` (you might want to temporarily
// comment out older versions on a slower connection), and
// then validate the dependencies etc
}
func (d *dockerVersion) matches(arch Architecture, dockerVersion string, distro distros.Distribution) bool {
if d.DockerVersion != dockerVersion {
return false
}
foundDistro := false
for _, d := range d.Distros {
if d == distro {
foundDistro = true
}
}
if !foundDistro {
return false
}
foundArch := false
for _, a := range d.Architectures {
if a == arch {
foundArch = true
}
}
if !foundArch {
return false
}
return true
}
func (b *DockerBuilder) dockerVersion() string {
dockerVersion := ""
if b.Cluster.Spec.Docker != nil {
dockerVersion = fi.StringValue(b.Cluster.Spec.Docker.Version)
}
if dockerVersion == "" {
dockerVersion = DefaultDockerVersion
glog.Warningf("DockerVersion not specified; using default %q", dockerVersion)
}
return dockerVersion
}
// Build is responsible for configuring the docker daemon
func (b *DockerBuilder) Build(c *fi.ModelBuilderContext) error {
// @check: neither coreos or containeros need provision docker.service, just the docker daemon options
switch b.Distribution {
case distros.DistributionCoreOS:
glog.Infof("Detected CoreOS; won't install Docker")
if err := b.buildContainerOSConfigurationDropIn(c); err != nil {
return err
}
return nil
case distros.DistributionContainerOS:
glog.Infof("Detected ContainerOS; won't install Docker")
if err := b.buildContainerOSConfigurationDropIn(c); err != nil {
return err
}
return nil
}
// Add Apache2 license
{
t := &nodetasks.File{
Path: "/usr/share/doc/docker/apache.txt",
Contents: fi.NewStringResource(resources.DockerApache2License),
Type: nodetasks.FileType_File,
}
c.AddTask(t)
}
dockerVersion := b.dockerVersion()
// Add packages
{
count := 0
for i := range dockerVersions {
dv := &dockerVersions[i]
if !dv.matches(b.Architecture, dockerVersion, b.Distribution) {
continue
}
count++
var packageTask fi.Task
if dv.PlainBinary {
packageTask = &nodetasks.Archive{
Name: "docker",
Source: dv.Source,
Hash: dv.Hash,
TargetDir: "/usr/bin/",
StripComponents: 1,
}
c.AddTask(packageTask)
c.AddTask(b.buildDockerGroup())
c.AddTask(b.buildSystemdSocket())
} else {
var extraPkgs []*nodetasks.Package
for name, pkg := range dv.ExtraPackages {
dep := &nodetasks.Package{
Name: name,
Version: s(pkg.Version),
Source: s(pkg.Source),
Hash: s(pkg.Hash),
PreventStart: fi.Bool(true),
}
extraPkgs = append(extraPkgs, dep)
}
packageTask = &nodetasks.Package{
Name: dv.Name,
Version: s(dv.Version),
Source: s(dv.Source),
Hash: s(dv.Hash),
Deps: extraPkgs,
// TODO: PreventStart is now unused?
PreventStart: fi.Bool(true),
}
c.AddTask(packageTask)
}
// As a mitigation for CVE-2019-5736 (possibly a fix, definitely defense-in-depth) we chattr docker-runc to be immutable
for _, f := range dv.MarkImmutable {
c.AddTask(&nodetasks.Chattr{
File: f,
Mode: "+i",
Deps: []fi.Task{packageTask},
})
}
for _, dep := range dv.Dependencies {
c.AddTask(&nodetasks.Package{Name: dep})
}
// Note we do _not_ stop looping... centos/rhel comprises multiple packages
}
if count == 0 {
glog.Warningf("Did not find docker package for %s %s %s", b.Distribution, b.Architecture, dockerVersion)
}
}
// Split into major.minor.(patch+pr+meta)
parts := strings.SplitN(dockerVersion, ".", 3)
if len(parts) != 3 {
return fmt.Errorf("error parsing docker version %q, no Major.Minor.Patch elements found", dockerVersion)
}
// Validate major
dockerVersionMajor, err := strconv.ParseInt(parts[0], 10, 64)
if err != nil {
return fmt.Errorf("error parsing major docker version %q: %v", parts[0], err)
}
// Validate minor
dockerVersionMinor, err := strconv.ParseInt(parts[1], 10, 64)
if err != nil {
return fmt.Errorf("error parsing minor docker version %q: %v", parts[1], err)
}
c.AddTask(b.buildSystemdService(dockerVersionMajor, dockerVersionMinor))
if err := b.buildSysconfig(c); err != nil {
return err
}
return nil
}
// buildDockerGroup creates the docker group, which owns the docker.socket
func (b *DockerBuilder) buildDockerGroup() *nodetasks.GroupTask {
return &nodetasks.GroupTask{
Name: "docker",
System: true,
}
}
// buildSystemdSocket creates docker.socket, for when we're not installing from a package
func (b *DockerBuilder) buildSystemdSocket() *nodetasks.Service {
manifest := &systemd.Manifest{}
manifest.Set("Unit", "Description", "Docker Socket for the API")
manifest.Set("Unit", "PartOf", "docker.service")
manifest.Set("Socket", "ListenStream", "/var/run/docker.sock")
manifest.Set("Socket", "SocketMode", "0660")
manifest.Set("Socket", "SocketUser", "root")
manifest.Set("Socket", "SocketGroup", "docker")
manifest.Set("Install", "WantedBy", "sockets.target")
manifestString := manifest.Render()
glog.V(8).Infof("Built docker.socket manifest\n%s", manifestString)
service := &nodetasks.Service{
Name: "docker.socket",
Definition: s(manifestString),
}
service.InitDefaults()
return service
}
func (b *DockerBuilder) buildSystemdService(dockerVersionMajor int64, dockerVersionMinor int64) *nodetasks.Service {
oldDocker := dockerVersionMajor <= 1 && dockerVersionMinor <= 11
usesDockerSocket := true
var dockerdCommand string
if oldDocker {
dockerdCommand = "/usr/bin/docker daemon"
} else {
dockerdCommand = "/usr/bin/dockerd"
}
manifest := &systemd.Manifest{}
manifest.Set("Unit", "Description", "Docker Application Container Engine")
manifest.Set("Unit", "Documentation", "https://docs.docker.com")
if b.Distribution.IsRHELFamily() && !oldDocker {
// See https://github.com/docker/docker/pull/24804
usesDockerSocket = false
}
if usesDockerSocket {
manifest.Set("Unit", "After", "network.target docker.socket")
manifest.Set("Unit", "Requires", "docker.socket")
} else {
manifest.Set("Unit", "After", "network.target")
}
manifest.Set("Service", "Type", "notify")
manifest.Set("Service", "EnvironmentFile", "/etc/sysconfig/docker")
manifest.Set("Service", "EnvironmentFile", "/etc/environment")
if usesDockerSocket {
manifest.Set("Service", "ExecStart", dockerdCommand+" -H fd:// \"$DOCKER_OPTS\"")
} else {
manifest.Set("Service", "ExecStart", dockerdCommand+" \"$DOCKER_OPTS\"")
}
if !oldDocker {
// This was added by docker 1.12
// TODO: They seem sensible - should we backport them?
manifest.Set("Service", "ExecReload", "/bin/kill -s HUP $MAINPID")
// kill only the docker process, not all processes in the cgroup
manifest.Set("Service", "KillMode", "process")
manifest.Set("Service", "TimeoutStartSec", "0")
}
if oldDocker {
// Only in older versions of docker (< 1.12)
manifest.Set("Service", "MountFlags", "slave")
}
// Having non-zero Limit*s causes performance problems due to accounting overhead
// in the kernel. We recommend using cgroups to do container-local accounting.
// TODO: Should we set this? https://github.com/kubernetes/kubernetes/issues/39682
//service.Set("Service", "LimitNOFILE", "infinity")
//service.Set("Service", "LimitNPROC", "infinity")
//service.Set("Service", "LimitCORE", "infinity")
manifest.Set("Service", "LimitNOFILE", "1048576")
manifest.Set("Service", "LimitNPROC", "1048576")
manifest.Set("Service", "LimitCORE", "infinity")
//# Uncomment TasksMax if your systemd version supports it.
//# Only systemd 226 and above support this version.
//#TasksMax=infinity
if b.IsKubernetesGTE("1.10") {
// Equivalent of https://github.com/kubernetes/kubernetes/pull/51986
manifest.Set("Service", "TasksMax", "infinity")
}
manifest.Set("Service", "Restart", "always")
manifest.Set("Service", "RestartSec", "2s")
manifest.Set("Service", "StartLimitInterval", "0")
// set delegate yes so that systemd does not reset the cgroups of docker containers
manifest.Set("Service", "Delegate", "yes")
manifest.Set("Install", "WantedBy", "multi-user.target")
manifestString := manifest.Render()
glog.V(8).Infof("Built service manifest %q\n%s", "docker", manifestString)
service := &nodetasks.Service{
Name: "docker.service",
Definition: s(manifestString),
}
service.InitDefaults()
return service
}
// buildContainerOSConfigurationDropIn is responsible for configuring the docker daemon options
func (b *DockerBuilder) buildContainerOSConfigurationDropIn(c *fi.ModelBuilderContext) error {
lines := []string{
"[Service]",
"EnvironmentFile=/etc/sysconfig/docker",
"EnvironmentFile=/etc/environment",
}
if b.IsKubernetesGTE("1.10") {
// Equivalent of https://github.com/kubernetes/kubernetes/pull/51986
lines = append(lines, "TasksMax=infinity")
}
contents := strings.Join(lines, "\n")
c.AddTask(&nodetasks.File{
AfterFiles: []string{"/etc/sysconfig/docker"},
Path: "/etc/systemd/system/docker.service.d/10-kops.conf",
Contents: fi.NewStringResource(contents),
Type: nodetasks.FileType_File,
OnChangeExecute: [][]string{
{"systemctl", "daemon-reload"},
{"systemctl", "restart", "docker.service"},
// We need to restart kops-configuration service since nodeup needs to load images
// into docker with the new overlay storage. Restart is on the background because
// kops-configuration is of type 'one-shot' so the restart command will wait for
// nodeup to finish executing
{"systemctl", "restart", "kops-configuration.service", "&"},
},
})
if err := b.buildSysconfig(c); err != nil {
return err
}
return nil
}
// buildSysconfig is responsible for extracting the docker configuration and writing the sysconfig file
func (b *DockerBuilder) buildSysconfig(c *fi.ModelBuilderContext) error {
var docker kops.DockerConfig
if b.Cluster.Spec.Docker != nil {
docker = *b.Cluster.Spec.Docker
}
// ContainerOS now sets the storage flag in /etc/docker/daemon.json, and it is an error to set it twice
if b.Distribution == distros.DistributionContainerOS {
// So that we can support older COS images though, we do check for /etc/docker/daemon.json
if b, err := ioutil.ReadFile("/etc/docker/daemon.json"); err != nil {
if os.IsNotExist(err) {
glog.V(2).Infof("/etc/docker/daemon.json not found")
} else {
glog.Warningf("error reading /etc/docker/daemon.json: %v", err)
}
} else {
// Maybe we get smarter here?
data := make(map[string]interface{})
if err := json.Unmarshal(b, &data); err != nil {
glog.Warningf("error deserializing /etc/docker/daemon.json: %v", err)
} else {
storageDriver := data["storage-driver"]
glog.Infof("/etc/docker/daemon.json has storage-driver: %q", storageDriver)
}
docker.Storage = nil
}
}
// RHEL-family / docker has a bug with 17.x where it fails to use overlay2 because it does a broken kernel check
if b.Distribution.IsRHELFamily() {
dockerVersion := b.dockerVersion()
if strings.HasPrefix(dockerVersion, "17.") {
storageOpts := strings.Join(docker.StorageOpts, ",")
if strings.Contains(storageOpts, "overlay2.override_kernel_check=1") {
// Already there
} else if !strings.Contains(storageOpts, "overlay2.override_kernel_check") {
docker.StorageOpts = append(docker.StorageOpts, "overlay2.override_kernel_check=1")
} else {
glog.Infof("detected image was RHEL and overlay2.override_kernel_check=1 was probably needed, but overlay2.override_kernel_check was already set (%q) so won't set", storageOpts)
}
}
}
flagsString, err := flagbuilder.BuildFlags(&docker)
if err != nil {
return fmt.Errorf("error building docker flags: %v", err)
}
lines := []string{
"DOCKER_OPTS=" + flagsString,
"DOCKER_NOFILE=1000000",
}
contents := strings.Join(lines, "\n")
c.AddTask(&nodetasks.File{
Path: "/etc/sysconfig/docker",
Contents: fi.NewStringResource(contents),
Type: nodetasks.FileType_File,
})
return nil
}
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