forked from openshift/assisted-service
/
ignition.go
1507 lines (1355 loc) · 48.5 KB
/
ignition.go
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package ignition
import (
"bytes"
"context"
"encoding/base64"
"encoding/json"
"fmt"
"io"
"io/ioutil"
"net"
"net/url"
"os"
"os/exec"
"path/filepath"
"sort"
"strconv"
"strings"
"text/template"
"time"
"github.com/coreos/ignition/v2/config/merge"
config_31 "github.com/coreos/ignition/v2/config/v3_1"
config_latest "github.com/coreos/ignition/v2/config/v3_2"
config_latest_trans "github.com/coreos/ignition/v2/config/v3_2/translate"
config_latest_types "github.com/coreos/ignition/v2/config/v3_2/types"
"github.com/coreos/vcontext/report"
"github.com/go-openapi/swag"
bmh_v1alpha1 "github.com/metal3-io/baremetal-operator/apis/metal3.io/v1alpha1"
clusterPkg "github.com/openshift/assisted-service/internal/cluster"
"github.com/openshift/assisted-service/internal/common"
"github.com/openshift/assisted-service/internal/constants"
"github.com/openshift/assisted-service/internal/host/hostutil"
"github.com/openshift/assisted-service/internal/installercache"
"github.com/openshift/assisted-service/internal/manifests"
"github.com/openshift/assisted-service/internal/network"
"github.com/openshift/assisted-service/internal/operators"
"github.com/openshift/assisted-service/models"
"github.com/openshift/assisted-service/pkg/auth"
logutil "github.com/openshift/assisted-service/pkg/log"
"github.com/openshift/assisted-service/pkg/mirrorregistries"
"github.com/openshift/assisted-service/pkg/s3wrapper"
"github.com/openshift/assisted-service/pkg/staticnetworkconfig"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
"github.com/thoas/go-funk"
"github.com/vincent-petithory/dataurl"
"golang.org/x/sync/errgroup"
"gopkg.in/yaml.v2"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
k8sjson "k8s.io/apimachinery/pkg/runtime/serializer/json"
"k8s.io/client-go/kubernetes/scheme"
)
const (
masterIgn = "master.ign"
workerIgn = "worker.ign"
)
const SystemConnectionsMerged = `
[Unit]
After=systemd-tmpfiles-setup.service
[Mount]
Where=/etc/NetworkManager/system-connections-merged
What=overlay
Type=overlay
Options=lowerdir=/etc/NetworkManager/system-connections,upperdir=/run/nm-system-connections,workdir=/run/nm-system-connections-work
[Install]
WantedBy=multi-user.target
`
const kniTempFile = `
D /run/nm-system-connections 0755 root root - -
D /run/nm-system-connections-work 0755 root root - -
d /etc/NetworkManager/system-connections-merged 0755 root root -
`
const agentMessageOfTheDay = `
** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** **
This is a host being installed by the OpenShift Assisted Installer.
It will be installed from scratch during the installation.
The primary service is agent.service. To watch its status, run:
sudo journalctl -u agent.service
To view the agent log, run:
sudo journalctl TAG=agent
** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** **
`
const RedhatRootCA = `
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----`
const selinuxPolicy = `
module assisted 1.0;
require {
type chronyd_t;
type container_file_t;
type spc_t;
class unix_dgram_socket sendto;
class dir search;
class sock_file write;
}
#============= chronyd_t ==============
allow chronyd_t container_file_t:dir search;
allow chronyd_t container_file_t:sock_file write;
allow chronyd_t spc_t:unix_dgram_socket sendto;
`
const agentFixBZ1964591 = `#!/usr/bin/sh
# This script is a workaround for bugzilla 1964591 where symlinks inside /var/lib/containers/ get
# corrupted under some circumstances.
#
# In order to let agent.service start correctly we are checking here whether the requested
# container image exists and in case "podman images" returns an error we try removing the faulty
# image.
#
# In such a scenario agent.service will detect the image is not present and pull it again. In case
# the image is present and can be detected correctly, no any action is required.
IMAGE=$(echo $1 | sed 's/:.*//')
podman images | grep $IMAGE || podman rmi --force $1 || true
`
const discoveryIgnitionConfigFormat = `{
"ignition": {
"version": "3.1.0"{{if .PROXY_SETTINGS}},
{{.PROXY_SETTINGS}}{{end}}
},
"passwd": {
"users": [
{{.userSshKey}}
]
},
"systemd": {
"units": [{
"name": "agent.service",
"enabled": true,
"contents": "[Service]\nType=simple\nRestart=always\nRestartSec=3\nStartLimitInterval=0\nEnvironment=HTTP_PROXY={{.HTTPProxy}}\nEnvironment=http_proxy={{.HTTPProxy}}\nEnvironment=HTTPS_PROXY={{.HTTPSProxy}}\nEnvironment=https_proxy={{.HTTPSProxy}}\nEnvironment=NO_PROXY={{.NoProxy}}\nEnvironment=no_proxy={{.NoProxy}}{{if .PullSecretToken}}\nEnvironment=PULL_SECRET_TOKEN={{.PullSecretToken}}{{end}}\nTimeoutStartSec={{.AgentTimeoutStartSec}}\nExecStartPre=/usr/local/bin/agent-fix-bz1964591 {{.AgentDockerImg}}\nExecStartPre=podman run --privileged --rm -v /usr/local/bin:/hostbin {{.AgentDockerImg}} cp /usr/bin/agent /hostbin\nExecStart=/usr/local/bin/agent --url {{.ServiceBaseURL}} --infra-env-id {{.infraEnvId}} --agent-version {{.AgentDockerImg}} --insecure={{.SkipCertVerification}} {{if .HostCACertPath}}--cacert {{.HostCACertPath}}{{end}}\n\n[Unit]\nWants=network-online.target\nAfter=network-online.target\n\n[Install]\nWantedBy=multi-user.target"
},
{
"name": "selinux.service",
"enabled": true,
"contents": "[Service]\nType=oneshot\nExecStartPre=checkmodule -M -m -o /root/assisted.mod /root/assisted.te\nExecStartPre=semodule_package -o /root/assisted.pp -m /root/assisted.mod\nExecStart=semodule -i /root/assisted.pp\n\n[Install]\nWantedBy=multi-user.target"
}{{if .StaticNetworkConfig}},
{
"name": "pre-network-manager-config.service",
"enabled": true,
"contents": "[Unit]\nDescription=Prepare network manager config content\nBefore=dracut-initqueue.service\nAfter=dracut-cmdline.service\nDefaultDependencies=no\n[Service]\nUser=root\nType=oneshot\nTimeoutSec=10\nExecStart=/bin/bash /usr/local/bin/pre-network-manager-config.sh\nPrivateTmp=true\nRemainAfterExit=no\n[Install]\nWantedBy=multi-user.target"
}{{end}}
]
},
"storage": {
"files": [{
"overwrite": true,
"path": "/usr/local/bin/agent-fix-bz1964591",
"mode": 755,
"user": {
"name": "root"
},
"contents": { "source": "data:,{{.AGENT_FIX_BZ1964591}}" }
},
{
"overwrite": true,
"path": "/etc/motd",
"mode": 420,
"user": {
"name": "root"
},
"contents": { "source": "data:,{{.AGENT_MOTD}}" }
},
{
"overwrite": true,
"path": "/etc/NetworkManager/conf.d/01-ipv6.conf",
"mode": 420,
"user": {
"name": "root"
},
"contents": { "source": "data:,{{.IPv6_CONF}}" }
},
{
"overwrite": true,
"path": "/root/.docker/config.json",
"mode": 420,
"user": {
"name": "root"
},
"contents": { "source": "data:,{{.PULL_SECRET}}" }
},
{
"overwrite": true,
"path": "/root/assisted.te",
"mode": 420,
"user": {
"name": "root"
},
"contents": { "source": "data:text/plain;base64,{{.SELINUX_POLICY}}" }
}{{if .RH_ROOT_CA}},
{
"overwrite": true,
"path": "/etc/pki/ca-trust/source/anchors/rh-it-root-ca.crt",
"mode": 420,
"user": {
"name": "root"
},
"contents": { "source": "data:,{{.RH_ROOT_CA}}" }
}{{end}}{{if .HostCACertPath}},
{
"path": "{{.HostCACertPath}}",
"mode": 420,
"overwrite": true,
"user": {
"name": "root"
},
"contents": { "source": "{{.ServiceCACertData}}" }
}{{end}}{{if .ServiceIPs}},
{
"path": "/etc/hosts",
"mode": 420,
"user": {
"name": "root"
},
"append": [{ "source": "{{.ServiceIPs}}" }]
}{{end}}{{if .MirrorRegistriesConfig}},
{
"path": "/etc/containers/registries.conf",
"mode": 420,
"overwrite": true,
"user": {
"name": "root"
},
"contents": { "source": "data:text/plain;base64,{{.MirrorRegistriesConfig}}"}
},
{
"path": "/etc/pki/ca-trust/source/anchors/domain.crt",
"mode": 420,
"overwrite": true,
"user": {
"name": "root"
},
"contents": { "source": "data:text/plain;base64,{{.MirrorRegistriesCAConfig}}"}
}{{end}}{{if .StaticNetworkConfig}},
{
"path": "/usr/local/bin/pre-network-manager-config.sh",
"mode": 493,
"overwrite": true,
"user": {
"name": "root"
},
"contents": { "source": "data:text/plain;base64,{{.PreNetworkConfigScript}}"}
}{{end}}{{range .StaticNetworkConfig}},
{
"path": "{{.FilePath}}",
"mode": 384,
"overwrite": true,
"user": {
"name": "root"
},
"contents": { "source": "data:text/plain;base64,{{.FileContents}}"}
}{{end}}]
}
}`
const secondDayWorkerIgnitionFormat = `{
"ignition": {
"version": "3.1.0",
"config": {
"merge": [{
"source": "{{.SOURCE}}"
}]
}
}
}`
const tempNMConnectionsDir = "/etc/assisted/network"
var fileNames = [...]string{
"bootstrap.ign",
masterIgn,
"metadata.json",
workerIgn,
"kubeconfig-noingress",
"kubeadmin-password",
"install-config.yaml",
}
// Generator can generate ignition files and upload them to an S3-like service
type Generator interface {
Generate(ctx context.Context, installConfig []byte, platformType models.PlatformType) error
UploadToS3(ctx context.Context) error
UpdateEtcHosts(string) error
}
// IgnitionBuilder defines the ignition formatting methods for the various images
//go:generate mockgen -source=ignition.go -package=ignition -destination=mock_ignition.go
type IgnitionBuilder interface {
FormatDiscoveryIgnitionFile(infraEnv *common.InfraEnv, cfg IgnitionConfig, safeForLogs bool, authType auth.AuthType) (string, error)
FormatSecondDayWorkerIgnitionFile(address string, machineConfigPoolName string) ([]byte, error)
}
type installerGenerator struct {
log logrus.FieldLogger
workDir string
cluster *common.Cluster
releaseImage string
releaseImageMirror string
installerDir string
serviceCACert string
encodedDhcpFileContents string
s3Client s3wrapper.API
enableMetal3Provisioning bool
operatorsApi operators.API
installInvoker string
}
// IgnitionConfig contains the attributes required to build the discovery ignition file
type IgnitionConfig struct {
AgentDockerImg string `envconfig:"AGENT_DOCKER_IMAGE" default:"quay.io/ocpmetal/assisted-installer-agent:latest"`
AgentTimeoutStart time.Duration `envconfig:"AGENT_TIMEOUT_START" default:"3m"`
InstallRHCa bool `envconfig:"INSTALL_RH_CA" default:"false"`
ServiceBaseURL string `envconfig:"SERVICE_BASE_URL"`
ServiceCACertPath string `envconfig:"SERVICE_CA_CERT_PATH" default:""`
ServiceIPs string `envconfig:"SERVICE_IPS" default:""`
SkipCertVerification bool `envconfig:"SKIP_CERT_VERIFICATION" default:"false"`
}
type ignitionBuilder struct {
log logrus.FieldLogger
staticNetworkConfig staticnetworkconfig.StaticNetworkConfig
mirrorRegistriesBuilder mirrorregistries.MirrorRegistriesConfigBuilder
}
func NewBuilder(log logrus.FieldLogger, staticNetworkConfig staticnetworkconfig.StaticNetworkConfig, mirrorRegistriesBuilder mirrorregistries.MirrorRegistriesConfigBuilder) IgnitionBuilder {
builder := &ignitionBuilder{
log: log,
staticNetworkConfig: staticNetworkConfig,
mirrorRegistriesBuilder: mirrorRegistriesBuilder,
}
return builder
}
// NewGenerator returns a generator that can generate ignition files
func NewGenerator(workDir string, installerDir string, cluster *common.Cluster, releaseImage string, releaseImageMirror string,
serviceCACert, installInvoker string, s3Client s3wrapper.API, log logrus.FieldLogger, operatorsApi operators.API) Generator {
return &installerGenerator{
cluster: cluster,
log: log,
releaseImage: releaseImage,
releaseImageMirror: releaseImageMirror,
workDir: workDir,
installerDir: installerDir,
serviceCACert: serviceCACert,
s3Client: s3Client,
enableMetal3Provisioning: true,
operatorsApi: operatorsApi,
installInvoker: installInvoker,
}
}
// UploadToS3 uploads generated ignition and related files to the configured
// S3-compatible storage
func (g *installerGenerator) UploadToS3(ctx context.Context) error {
return uploadToS3(ctx, g.workDir, g.cluster, g.s3Client, g.log)
}
// Generate generates ignition files and applies modifications.
func (g *installerGenerator) Generate(ctx context.Context, installConfig []byte, platformType models.PlatformType) error {
log := logutil.FromContext(ctx, g.log)
installerPath, err := installercache.Get(g.releaseImage, g.releaseImageMirror, g.installerDir,
g.cluster.PullSecret, platformType, log)
if err != nil {
return errors.Wrap(err, "failed to get installer path")
}
installConfigPath := filepath.Join(g.workDir, "install-config.yaml")
g.enableMetal3Provisioning, err = common.VersionGreaterOrEqual(g.cluster.Cluster.OpenshiftVersion, "4.7")
if err != nil {
return err
}
g.encodedDhcpFileContents, err = network.GetEncodedDhcpParamFileContents(g.cluster)
if err != nil {
wrapped := errors.Wrapf(err, "Could not create DHCP encoded file")
log.WithError(wrapped).Errorf("GenerateInstallConfig")
return wrapped
}
envVars := append(os.Environ(),
"OPENSHIFT_INSTALL_RELEASE_IMAGE_OVERRIDE="+g.releaseImage,
"OPENSHIFT_INSTALL_INVOKER="+g.installInvoker,
)
// write installConfig to install-config.yaml so openshift-install can read it
err = ioutil.WriteFile(installConfigPath, installConfig, 0600)
if err != nil {
log.Errorf("Failed to write file %s", installConfigPath)
return err
}
manifestFiles, err := manifests.GetClusterManifests(ctx, g.cluster.ID, g.s3Client)
if err != nil {
log.WithError(err).Errorf("Failed to check if cluster %s has manifests", g.cluster.ID)
return err
}
// invoke 'create manifests' command and download cluster manifests to manifests folder
if len(manifestFiles) > 0 {
err = g.runCreateCommand(ctx, installerPath, "manifests", envVars)
if err != nil {
return err
}
// download manifests files to working directory
for _, manifest := range manifestFiles {
log.Infof("Adding manifest %s to working dir for cluster %s", manifest, g.cluster.ID)
err = g.downloadManifest(ctx, manifest)
if err != nil {
_ = os.Remove(filepath.Join(g.workDir, "manifests"))
_ = os.Remove(filepath.Join(g.workDir, "openshift"))
log.WithError(err).Errorf("Failed to download manifest %s to working dir for cluster %s", manifest, g.cluster.ID)
return err
}
}
}
if swag.StringValue(g.cluster.HighAvailabilityMode) == models.ClusterHighAvailabilityModeNone {
err = g.bootstrapInPlaceIgnitionsCreate(ctx, installerPath, envVars)
} else {
err = g.runCreateCommand(ctx, installerPath, "ignition-configs", envVars)
}
if err != nil {
log.Error(err)
return err
}
// parse ignition and update BareMetalHosts
bootstrapPath := filepath.Join(g.workDir, "bootstrap.ign")
err = g.updateBootstrap(ctx, bootstrapPath)
if err != nil {
return err
}
err = g.updateIgnitions()
if err != nil {
log.Error(err)
return err
}
err = g.createHostIgnitions()
if err != nil {
log.Error(err)
return err
}
// move all files into the working directory
err = os.Rename(filepath.Join(g.workDir, "auth/kubeadmin-password"), filepath.Join(g.workDir, "kubeadmin-password"))
if err != nil {
return err
}
// after installation completes, a new kubeconfig will be created and made
// available that includes ingress details, so we rename this one
err = os.Rename(filepath.Join(g.workDir, "auth/kubeconfig"), filepath.Join(g.workDir, "kubeconfig-noingress"))
if err != nil {
return err
}
// We want to save install-config.yaml
// Installer deletes it so we need to write it one more time
err = ioutil.WriteFile(installConfigPath, installConfig, 0600)
if err != nil {
log.Errorf("Failed to write file %s", installConfigPath)
return err
}
err = os.Remove(filepath.Join(g.workDir, "auth"))
if err != nil {
return err
}
return nil
}
func (g *installerGenerator) bootstrapInPlaceIgnitionsCreate(ctx context.Context, installerPath string, envVars []string) error {
err := g.runCreateCommand(ctx, installerPath, "single-node-ignition-config", envVars)
if err != nil {
return errors.Wrapf(err, "Failed to create single node ignitions")
}
bootstrapPath := filepath.Join(g.workDir, "bootstrap.ign")
// In case of single node rename bootstrap Ignition file
err = os.Rename(filepath.Join(g.workDir, "bootstrap-in-place-for-live-iso.ign"), bootstrapPath)
if err != nil {
return errors.Wrapf(err, "Failed to rename bootstrap-in-place-for-live-iso.ign")
}
bootstrapConfig, err := parseIgnitionFile(bootstrapPath)
if err != nil {
return err
}
//Although BIP works with 4.8 and above we want to support early 4.8 CI images
// To that end we set the dummy master ignition version to the same version as the bootstrap ignition
config := config_latest_types.Config{Ignition: config_latest_types.Ignition{Version: bootstrapConfig.Ignition.Version}}
for _, file := range []string{masterIgn, workerIgn} {
err = writeIgnitionFile(filepath.Join(g.workDir, file), &config)
if err != nil {
return errors.Wrapf(err, "Failed to create %s", file)
}
}
return nil
}
func getHostnames(hosts []*models.Host) []string {
ret := make([]string, 0)
for _, h := range hosts {
ret = append(ret, hostutil.GetHostnameForMsg(h))
}
return ret
}
func bmhIsMaster(bmh *bmh_v1alpha1.BareMetalHost, masterHostnames, workerHostnames []string) bool {
if funk.ContainsString(masterHostnames, bmh.Name) {
return true
}
if funk.ContainsString(workerHostnames, bmh.Name) {
return false
}
// For backward compatibility in case the name is not in the (masterHostnames, workerHostnames)
return strings.Contains(bmh.Name, "-master-")
}
type clusterVersion struct {
APIVersion string `yaml:"apiVersion"`
Metadata struct {
Namespace string `yaml:"namespace"`
Name string `yaml:"name"`
} `yaml:"metadata"`
Spec struct {
Upstream string `yaml:"upstream"`
Channel string `yaml:"channel"`
ClusterID string `yaml:"clusterID"`
} `yaml:"spec"`
}
// ExtractClusterID gets a local path of a "bootstrap.ign" file and extracts the OpenShift cluster ID
func ExtractClusterID(reader io.ReadCloser) (string, error) {
bs, err := ioutil.ReadAll(reader)
if err != nil {
return "", err
}
config, err := ParseToLatest(bs)
if err != nil {
return "", err
}
for _, f := range config.Storage.Files {
if f.Node.Path != "/opt/openshift/manifests/cvo-overrides.yaml" {
continue
}
source := f.FileEmbedded1.Contents.Key()
dataURL, err := dataurl.DecodeString(source)
if err != nil {
return "", err
}
cv := clusterVersion{}
err = yaml.Unmarshal(dataURL.Data, &cv)
if err != nil {
return "", err
}
if cv.Spec.ClusterID == "" {
return "", errors.New("no ClusterID field in cvo-overrides file")
}
return cv.Spec.ClusterID, nil
}
return "", errors.New("could not find cvo-overrides file")
}
// updateBootstrap adds a status annotation to each BareMetalHost defined in the
// bootstrap ignition file
func (g *installerGenerator) updateBootstrap(ctx context.Context, bootstrapPath string) error {
log := logutil.FromContext(ctx, g.log)
config, err := parseIgnitionFile(bootstrapPath)
if err != nil {
g.log.Error(err)
return err
}
newFiles := []config_latest_types.File{}
masters, workers := sortHosts(g.cluster.Hosts)
for i, file := range config.Storage.Files {
switch {
case isBaremetalProvisioningConfig(&config.Storage.Files[i]):
if !g.enableMetal3Provisioning {
// drop this from the list of Files because we don't want to run BMO
continue
}
case isMOTD(&config.Storage.Files[i]):
// workaround for https://github.com/openshift/machine-config-operator/issues/2086
g.fixMOTDFile(&config.Storage.Files[i])
case isBMHFile(&config.Storage.Files[i]):
// extract bmh
bmh, err := fileToBMH(&config.Storage.Files[i]) //nolint,shadow
if err != nil {
log.Errorf("error parsing File contents to BareMetalHost: %v", err)
return err
}
// get corresponding host
var host *models.Host
masterHostnames := getHostnames(masters)
workerHostnames := getHostnames(workers)
// The BMH files in the ignition are sorted according to hostname (please see the implementation in installcfg/installcfg.go).
// The masters and workers are also sorted by hostname. This enables us to correlate correctly the host and the BMH file
if bmhIsMaster(bmh, masterHostnames, workerHostnames) {
if len(masters) == 0 {
return errors.Errorf("Not enough registered masters to match with BareMetalHosts")
}
host, masters = masters[0], masters[1:]
} else {
if len(workers) == 0 {
return errors.Errorf("Not enough registered workers to match with BareMetalHosts")
}
host, workers = workers[0], workers[1:]
}
// modify bmh
log.Infof("modifying BareMetalHost ignition file %s", file.Node.Path)
err = g.modifyBMHFile(&config.Storage.Files[i], bmh, host)
if err != nil {
return err
}
}
newFiles = append(newFiles, config.Storage.Files[i])
}
config.Storage.Files = newFiles
if swag.StringValue(g.cluster.HighAvailabilityMode) != models.ClusterHighAvailabilityModeNone {
setFileInIgnition(config, "/opt/openshift/assisted-install-bootstrap", "data:,", false, 420)
}
// add new Network Manager config file that disables handling of /etc/resolv.conf
setNMConfigration(config)
err = writeIgnitionFile(bootstrapPath, config)
if err != nil {
log.Error(err)
return err
}
log.Infof("Updated file %s", bootstrapPath)
return nil
}
func setNMConfigration(config *config_latest_types.Config) {
fileContents := "data:text/plain;charset=utf-8;base64," + base64.StdEncoding.EncodeToString([]byte(common.UnmanagedResolvConf))
setFileInIgnition(config, "/etc/NetworkManager/conf.d/99-kni.conf", fileContents, false, 420)
}
func isBMHFile(file *config_latest_types.File) bool {
return strings.Contains(file.Node.Path, "openshift-cluster-api_hosts")
}
func isMOTD(file *config_latest_types.File) bool {
return file.Node.Path == "/etc/motd"
}
func isBaremetalProvisioningConfig(file *config_latest_types.File) bool {
return strings.Contains(file.Node.Path, "baremetal-provisioning-config")
}
func fileToBMH(file *config_latest_types.File) (*bmh_v1alpha1.BareMetalHost, error) {
parts := strings.Split(*file.Contents.Source, "base64,")
if len(parts) != 2 {
return nil, errors.Errorf("could not parse source for file %s", file.Node.Path)
}
decoded, err := base64.StdEncoding.DecodeString(parts[1])
if err != nil {
return nil, err
}
bmh := &bmh_v1alpha1.BareMetalHost{}
_, _, err = scheme.Codecs.UniversalDeserializer().Decode(decoded, nil, bmh)
if err != nil {
return nil, err
}
return bmh, nil
}
// fixMOTDFile is a workaround for a bug in machine-config-operator, where it
// incorrectly parses igition when a File is configured to append content
// instead of overwrite. Currently, /etc/motd is the only file involved in
// provisioning that is configured for appending. This code converts it to
// overwriting the existing /etc/motd with whatever content had been indended
// to be appened.
// https://github.com/openshift/machine-config-operator/issues/2086
func (g *installerGenerator) fixMOTDFile(file *config_latest_types.File) {
if file.Contents.Source != nil {
// the bug only happens if Source == nil, so no need to take action
return
}
if len(file.Append) == 1 {
file.Contents.Source = file.Append[0].Source
file.Append = file.Append[:0]
return
}
g.log.Info("could not apply workaround to file /etc/motd for MCO bug. The workaround may no longer be necessary.")
}
// modifyBMHFile modifies the File contents so that the serialized BareMetalHost
// includes a status annotation
func (g *installerGenerator) modifyBMHFile(file *config_latest_types.File, bmh *bmh_v1alpha1.BareMetalHost, host *models.Host) error {
inventory := models.Inventory{}
err := json.Unmarshal([]byte(host.Inventory), &inventory)
if err != nil {
return err
}
hw := bmh_v1alpha1.HardwareDetails{
CPU: bmh_v1alpha1.CPU{
Arch: inventory.CPU.Architecture,
Model: inventory.CPU.ModelName,
ClockMegahertz: bmh_v1alpha1.ClockSpeed(inventory.CPU.Frequency),
Flags: inventory.CPU.Flags,
Count: int(inventory.CPU.Count),
},
Hostname: host.RequestedHostname,
NIC: make([]bmh_v1alpha1.NIC, len(inventory.Interfaces)),
Storage: make([]bmh_v1alpha1.Storage, len(inventory.Disks)),
}
if inventory.Memory != nil {
hw.RAMMebibytes = int(inventory.Memory.PhysicalBytes / 1024 / 1024)
}
for i, iface := range inventory.Interfaces {
hw.NIC[i] = bmh_v1alpha1.NIC{
Name: iface.Name,
Model: iface.Product,
MAC: iface.MacAddress,
SpeedGbps: int(iface.SpeedMbps / 1024),
}
switch {
case len(iface.IPV4Addresses) > 0:
hw.NIC[i].IP = g.getInterfaceIP(iface.IPV4Addresses[0])
case len(iface.IPV6Addresses) > 0:
hw.NIC[i].IP = g.getInterfaceIP(iface.IPV6Addresses[0])
}
}
for i, disk := range inventory.Disks {
hw.Storage[i] = bmh_v1alpha1.Storage{
Name: disk.Name,
Vendor: disk.Vendor,
SizeBytes: bmh_v1alpha1.Capacity(disk.SizeBytes),
Model: disk.Model,
WWN: disk.Wwn,
HCTL: disk.Hctl,
SerialNumber: disk.Serial,
Rotational: (disk.DriveType == "HDD"),
}
}
if inventory.SystemVendor != nil {
hw.SystemVendor = bmh_v1alpha1.HardwareSystemVendor{
Manufacturer: inventory.SystemVendor.Manufacturer,
ProductName: inventory.SystemVendor.ProductName,
SerialNumber: inventory.SystemVendor.SerialNumber,
}
}
status := bmh_v1alpha1.BareMetalHostStatus{
HardwareDetails: &hw,
PoweredOn: true,
}
statusJSON, err := json.Marshal(status)
if err != nil {
return err
}
metav1.SetMetaDataAnnotation(&bmh.ObjectMeta, bmh_v1alpha1.StatusAnnotation, string(statusJSON))
if g.enableMetal3Provisioning {
bmh.Spec.ExternallyProvisioned = true
}
serializer := k8sjson.NewSerializerWithOptions(
k8sjson.DefaultMetaFactory, nil, nil,
k8sjson.SerializerOptions{
Yaml: true,
Pretty: true,
Strict: true,
},
)
buf := bytes.Buffer{}
err = serializer.Encode(bmh, &buf)
if err != nil {
return err
}
// remove status if exists
res := bytes.Split(buf.Bytes(), []byte("status:\n"))
encodedBMH := base64.StdEncoding.EncodeToString(res[0])
source := "data:text/plain;charset=utf-8;base64," + encodedBMH
file.Contents.Source = &source
return nil
}
func (g *installerGenerator) updateDhcpFiles() error {
path := filepath.Join(g.workDir, masterIgn)
config, err := parseIgnitionFile(path)
if err != nil {
return err
}
setFileInIgnition(config, "/etc/keepalived/unsupported-monitor.conf", g.encodedDhcpFileContents, false, 0o644)
encodedApiVip := network.GetEncodedApiVipLease(g.cluster)
if encodedApiVip != "" {
setFileInIgnition(config, "/etc/keepalived/lease-api", encodedApiVip, false, 0o644)
}
encodedIngressVip := network.GetEncodedIngressVipLease(g.cluster)
if encodedIngressVip != "" {
setFileInIgnition(config, "/etc/keepalived/lease-ingress", encodedIngressVip, false, 0o644)
}
err = writeIgnitionFile(path, config)
if err != nil {
return err
}
return nil
}
func encodeIpv6Contents() string {
return fmt.Sprintf("data:,%s", url.PathEscape(common.Ipv6DuidRuntimeConf))
}
func (g *installerGenerator) addIpv6FileInIgnition(ignition string) error {
path := filepath.Join(g.workDir, ignition)
config, err := parseIgnitionFile(path)
if err != nil {
return err
}
setFileInIgnition(config, "/etc/NetworkManager/conf.d/01-ipv6.conf", encodeIpv6Contents(), false, 0o644)
err = writeIgnitionFile(path, config)
if err != nil {
return err
}
return nil
}
func (g *installerGenerator) addStaticNetworkConfigToIgnition(ignition string) error {
path := filepath.Join(g.workDir, ignition)
config, err := parseIgnitionFile(path)
if err != nil {
return err
}
is47Version, err := common.VersionGreaterOrEqual(g.cluster.OpenshiftVersion, "4.7")
if err != nil {
return err
}
if (swag.BoolValue(g.cluster.UserManagedNetworking) && is47Version) || !is47Version {
// add overlay configuration for NM in case of 4.7 and None platform.
// TODO - remove once this configuration is integrated in MCO for None platform (Bugzilla 1928473)
setFileInIgnition(config, "/etc/tmpfiles.d/kni.conf", fmt.Sprintf("data:,%s", url.PathEscape(kniTempFile)), false, 420)
setUnitInIgnition(config, SystemConnectionsMerged, "etc-NetworkManager-system\\x2dconnections\\x2dmerged.mount", true)
}
err = writeIgnitionFile(path, config)
if err != nil {
return err
}
return nil
}
func (g *installerGenerator) updateIgnitions() error {
masterPath := filepath.Join(g.workDir, masterIgn)
caCertFile := g.serviceCACert
if caCertFile != "" {
err := setCACertInIgnition(models.HostRoleMaster, masterPath, g.workDir, caCertFile)
if err != nil {
return errors.Wrapf(err, "error adding CA cert to ignition %s", masterPath)
}
}
if g.encodedDhcpFileContents != "" {
if err := g.updateDhcpFiles(); err != nil {
return errors.Wrapf(err, "error adding DHCP file to ignition %s", masterPath)
}
}
workerPath := filepath.Join(g.workDir, workerIgn)
if caCertFile != "" {
err := setCACertInIgnition(models.HostRoleWorker, workerPath, g.workDir, caCertFile)
if err != nil {
return errors.Wrapf(err, "error adding CA cert to ignition %s", workerPath)
}
}
_, ipv6, err := network.GetClusterAddressStack(g.cluster.Hosts)
if err != nil {
return err
}
if ipv6 {
for _, ignition := range []string{masterIgn, workerIgn} {
if err = g.addIpv6FileInIgnition(ignition); err != nil {
return err
}
if g.cluster.StaticNetworkConfigured {
if err := g.addStaticNetworkConfigToIgnition(ignition); err != nil {
return err
}
}
}
}
return nil
}
func (g *installerGenerator) UpdateEtcHosts(serviceIPs string) error {
masterPath := filepath.Join(g.workDir, masterIgn)
if serviceIPs != "" {
err := setEtcHostsInIgnition(models.HostRoleMaster, masterPath, g.workDir, GetServiceIPHostnames(serviceIPs))
if err != nil {
return errors.Wrapf(err, "error adding Etc Hosts to ignition %s", masterPath)
}
}
workerPath := filepath.Join(g.workDir, workerIgn)
if serviceIPs != "" {
err := setEtcHostsInIgnition(models.HostRoleWorker, workerPath, g.workDir, GetServiceIPHostnames(serviceIPs))
if err != nil {
return errors.Wrapf(err, "error adding Etc Hosts to ignition %s", workerPath)
}
}
return nil
}
// sortHosts sorts hosts into masters and workers, excluding disabled hosts
func sortHosts(hosts []*models.Host) ([]*models.Host, []*models.Host) {
masters := []*models.Host{}
workers := []*models.Host{}
for i := range hosts {
switch {
case hosts[i].Status != nil && *hosts[i].Status == models.HostStatusDisabled:
continue
case hosts[i].Role == models.HostRoleMaster:
masters = append(masters, hosts[i])
default:
workers = append(workers, hosts[i])
}
}
// sort them so the result is repeatable
sort.SliceStable(masters, func(i, j int) bool {
return hostutil.GetHostnameForMsg(masters[i]) < hostutil.GetHostnameForMsg(masters[j])
})
sort.SliceStable(workers, func(i, j int) bool {
return hostutil.GetHostnameForMsg(workers[i]) < hostutil.GetHostnameForMsg(workers[j])
})
return masters, workers
}
// UploadToS3 uploads the generated files to S3
func uploadToS3(ctx context.Context, workDir string, cluster *common.Cluster, s3Client s3wrapper.API, log logrus.FieldLogger) error {
toUpload := fileNames[:]
for _, host := range cluster.Hosts {
if swag.StringValue(host.Status) != models.HostStatusDisabled {
toUpload = append(toUpload, hostutil.IgnitionFileName(host))
}
}
for _, fileName := range toUpload {
fullPath := filepath.Join(workDir, fileName)
key := filepath.Join(cluster.ID.String(), fileName)
err := s3Client.UploadFile(ctx, fullPath, key)
if err != nil {