/
rabbitmq_types.go
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/
rabbitmq_types.go
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package v1alpha1
import (
"bytes"
"context"
"crypto/rand"
"crypto/sha256"
"encoding/base64"
"fmt"
"reflect"
"sort"
"strings"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/types"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/reconcile"
configtemplates "github.com/tungstenfabric/tf-operator/pkg/apis/tf/v1alpha1/templates"
"github.com/tungstenfabric/tf-operator/pkg/randomstring"
appsv1 "k8s.io/api/apps/v1"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
// EDIT THIS FILE! THIS IS SCAFFOLDING FOR YOU TO OWN!
// NOTE: json tags are required. Any new fields you add must have json tags for the fields to be serialized.
// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
// Rabbitmq is the Schema for the rabbitmqs API.
// +k8s:openapi-gen=true
// +kubebuilder:subresource:status
type Rabbitmq struct {
metav1.TypeMeta `json:",inline"`
metav1.ObjectMeta `json:"metadata,omitempty"`
Spec RabbitmqSpec `json:"spec,omitempty"`
Status RabbitmqStatus `json:"status,omitempty"`
}
// RabbitmqSpec is the Spec for the cassandras API.
// +k8s:openapi-gen=true
type RabbitmqSpec struct {
CommonConfiguration PodConfiguration `json:"commonConfiguration,omitempty"`
ServiceConfiguration RabbitmqConfiguration `json:"serviceConfiguration"`
}
// RabbitmqConfiguration is the Spec for the cassandras API.
// +k8s:openapi-gen=true
type RabbitmqConfiguration struct {
Containers []*Container `json:"containers,omitempty"`
Port *int `json:"port,omitempty"`
ErlEpmdPort *int `json:"erlEpmdPort,omitempty"`
ErlangCookie string `json:"erlangCookie,omitempty"`
Vhost string `json:"vhost,omitempty"`
User string `json:"user,omitempty"`
Password string `json:"password,omitempty"`
Secret string `json:"secret,omitempty"`
// +kubebuilder:validation:Enum=exactly;all;nodes
MirroredQueueMode *string `json:"mirroredQueueMode,omitempty"`
ClusterPartitionHandling *string `json:"clusterPartitionHandling,omitempty"`
TCPListenOptions *TCPListenOptionsConfig `json:"tcpListenOptions,omitempty"`
}
// RabbitmqStatus +k8s:openapi-gen=true
type RabbitmqStatus struct {
CommonStatus `json:",inline"`
Secret string `json:"secret,omitempty"`
}
// TCPListenOptionsConfig is configuration for RabbitMQ TCP listen
// +k8s:openapi-gen=true
type TCPListenOptionsConfig struct {
Backlog *int `json:"backlog,omitempty"`
Nodelay *bool `json:"nodelay,omitempty"`
LingerOn *bool `json:"lingerOn,omitempty"`
LingerTimeout *int `json:"lingerTimeout,omitempty"`
ExitOnClose *bool `json:"exitOnClose,omitempty"`
}
// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
// RabbitmqList contains a list of Rabbitmq.
type RabbitmqList struct {
metav1.TypeMeta `json:",inline"`
metav1.ListMeta `json:"metadata,omitempty"`
Items []Rabbitmq `json:"items"`
}
func init() {
SchemeBuilder.Register(&Rabbitmq{}, &RabbitmqList{})
}
// InstanceConfiguration prepare rabbit configs
func (c *Rabbitmq) InstanceConfiguration(podList []corev1.Pod, client client.Client,
) (data map[string]string, err error) {
data, err = make(map[string]string), nil
sort.SliceStable(podList, func(i, j int) bool { return podList[i].Status.PodIP < podList[j].Status.PodIP })
c.ConfigurationParameters()
rabbitmqNodes := []string{}
for _, pod := range podList {
myidString := pod.Name[len(pod.Name)-1:]
n := pod2node(pod)
data[myidString] = n
rabbitmqNodes = append(rabbitmqNodes, n)
}
data["rabbitmq.nodes"] = strings.Join(rabbitmqNodes, "\n")
data["plugins.conf"] = "[rabbitmq_management,rabbitmq_management_agent,rabbitmq_peer_discovery_k8s]."
for _, pod := range podList {
var rabbitmqPodConfig bytes.Buffer
err := configtemplates.RabbitmqPodConfig.Execute(&rabbitmqPodConfig, struct {
RabbitmqPort int
SignerCAFilepath string
ClusterPartitionHandling string
PodIP string
PodsList []string
TCPListenOptions *TCPListenOptionsConfig
LogLevel string
}{
RabbitmqPort: *c.Spec.ServiceConfiguration.Port,
SignerCAFilepath: SignerCAFilepath,
ClusterPartitionHandling: *c.Spec.ServiceConfiguration.ClusterPartitionHandling,
PodIP: pod.Status.PodIP,
PodsList: rabbitmqNodes,
LogLevel: c.Spec.CommonConfiguration.LogLevel,
TCPListenOptions: c.Spec.ServiceConfiguration.TCPListenOptions,
})
if err != nil {
panic(err)
}
data["rabbitmq.conf."+pod.Status.PodIP] = rabbitmqPodConfig.String()
rabbitmqEnvConfigString := "HOME=/var/lib/rabbitmq\n"
rn := fmt.Sprintf("rabbit@%s", pod2node(pod))
rabbitmqEnvConfigString = rabbitmqEnvConfigString + fmt.Sprintf("NODENAME=%s\n", rn)
rabbitmqEnvConfigString = rabbitmqEnvConfigString + fmt.Sprintf("RABBITMQ_NODENAME=%s\n", rn)
data["rabbitmq-env.conf."+pod.Status.PodIP] = rabbitmqEnvConfigString
}
// common env vars
rabbitmqCommonEnvString := fmt.Sprintf("export RABBITMQ_ERLANG_COOKIE=%s\n", c.Spec.ServiceConfiguration.ErlangCookie)
rabbitmqCommonEnvString = rabbitmqCommonEnvString + "export RABBITMQ_CONFIG_FILE=/etc/rabbitmq/rabbitmq.conf\n"
rabbitmqCommonEnvString = rabbitmqCommonEnvString + "export CONFIG_FILE=/etc/rabbitmq/rabbitmq.conf\n"
rabbitmqCommonEnvString = rabbitmqCommonEnvString + "export RABBITMQ_CONF_ENV_FILE=/etc/rabbitmq/rabbitmq-env.conf\n"
rabbitmqCommonEnvString = rabbitmqCommonEnvString + "export RABBITMQ_ENABLED_PLUGINS_FILE=/etc/rabbitmq/plugins.conf\n"
rabbitmqCommonEnvString = rabbitmqCommonEnvString + "export RABBITMQ_USE_LONGNAME=true\n"
rabbitmqCommonEnvString = rabbitmqCommonEnvString + "export RABBITMQ_PID_FILE=/var/run/rabbitmq.pid\n"
rabbitmqCommonEnvString = rabbitmqCommonEnvString + fmt.Sprintf("export ERL_EPMD_PORT=%d\n", *c.Spec.ServiceConfiguration.ErlEpmdPort)
distPort := *c.Spec.ServiceConfiguration.Port + 20000
rabbitmqCommonEnvString = rabbitmqCommonEnvString + fmt.Sprintf("export RABBITMQ_DIST_PORT=%d\n", distPort)
rabbitmqCommonEnvString = rabbitmqCommonEnvString + fmt.Sprintf("export DIST_PORT=%d\n", distPort)
// TODO: for now tls is not enabled for dist & management ports
// rabbitmqCommonEnvString = rabbitmqCommonEnvString + fmt.Sprintf("export RABBITMQ_CTL_ERL_ARGS=\"-proto_dist inet_tls\"\n")
data["rabbitmq-common.env"] = rabbitmqCommonEnvString
var secretName string
secret := &corev1.Secret{}
if c.Spec.ServiceConfiguration.Secret != "" {
secretName = c.Spec.ServiceConfiguration.Secret
} else {
secretName = c.Name + "-secret"
}
err = client.Get(context.TODO(), types.NamespacedName{Name: secretName, Namespace: c.Namespace}, secret)
if err != nil {
return
}
saltedP := secret.Data["salted_password"]
var rabbitmqDefinitionBuffer bytes.Buffer
err = configtemplates.RabbitmqDefinition.Execute(&rabbitmqDefinitionBuffer, struct {
RabbitmqUser string
RabbitmqPassword string
RabbitmqVhost string
MirroredQueueMode string
RabbitmqPort int
}{
RabbitmqUser: string(secret.Data["user"]),
RabbitmqPassword: base64.StdEncoding.EncodeToString(saltedP),
RabbitmqVhost: string(secret.Data["vhost"]),
MirroredQueueMode: *c.Spec.ServiceConfiguration.MirroredQueueMode,
RabbitmqPort: *c.Spec.ServiceConfiguration.Port,
})
if err != nil {
panic(err)
}
data["definitions.json"] = rabbitmqDefinitionBuffer.String()
return
}
func setRandomField(data map[string][]byte, field string, value string, size int) map[string][]byte {
if value == "" {
if _, ok := data[field]; !ok {
data[field] = []byte(randomstring.RandString{Size: size}.Generate())
}
} else {
data[field] = []byte(value)
}
return data
}
// UpdateSecret
func (c *Rabbitmq) UpdateSecret(secret *corev1.Secret, client client.Client) (updated bool, err error) {
updated, err = false, nil
if secret.Data == nil {
secret.Data = make(map[string][]byte)
}
oldData := make(map[string][]byte)
for k, v := range secret.Data {
oldData[k] = v
}
setRandomField(secret.Data, "user", c.Spec.ServiceConfiguration.User, 8)
setRandomField(secret.Data, "password", c.Spec.ServiceConfiguration.Password, 32)
setRandomField(secret.Data, "vhost", c.Spec.ServiceConfiguration.Vhost, 6)
if old, ok := oldData["password"]; !ok || string(old) != string(secret.Data["password"]) {
salt := [4]byte{}
if _, err = rand.Read(salt[:]); err != nil {
return
}
saltedP := append(salt[:], secret.Data["password"]...)
hash := sha256.New()
if _, err = hash.Write(saltedP); err != nil {
return
}
hashPass := hash.Sum(nil)
saltedP = append(salt[:], hashPass...)
secret.Data["salted_password"] = saltedP
}
if reflect.DeepEqual(oldData, secret.Data) {
return
}
if err = client.Update(context.TODO(), secret); err != nil {
return
}
updated = true
return
}
func (c *Rabbitmq) CreateConfigMap(configMapName string,
client client.Client,
scheme *runtime.Scheme,
request reconcile.Request) (*corev1.ConfigMap, error) {
data := make(map[string]string)
var rabbitmqConfigBuffer bytes.Buffer
err := configtemplates.RabbitmqConfig.Execute(&rabbitmqConfigBuffer, struct{}{})
if err != nil {
panic(err)
}
data["run-rabbitmq.sh"] = CommonStartupScriptEx(
rabbitmqConfigBuffer.String(),
"",
map[string]string{
"rabbitmq.conf.${POD_IP}": "rabbitmq.conf",
"rabbitmq-env.conf.${POD_IP}": "rabbitmq-env.conf",
"rabbitmq.nodes": "rabbitmq.nodes",
"plugins.conf": "plugins.conf",
"definitions.json": "definitions.json",
"rabbitmq-common.env": "rabbitmq-common.env",
"0": "0",
},
"/etc/contrailconfigmaps",
"/etc/rabbitmq",
"",
)
return CreateConfigMap(configMapName,
client,
scheme,
request,
"rabbitmq",
data,
c)
}
func (c *Rabbitmq) CreateSecret(secretName string,
client client.Client,
scheme *runtime.Scheme,
request reconcile.Request) (*corev1.Secret, error) {
return CreateSecret(secretName,
client,
scheme,
request,
"rabbitmq",
c)
}
// IsActive returns true if instance is active.
func (c *Rabbitmq) IsActive(name string, namespace string, client client.Client) bool {
err := client.Get(context.TODO(), types.NamespacedName{Name: name, Namespace: namespace}, c)
if err != nil || c.Status.Active == nil {
return false
}
return *c.Status.Active
}
// IsUpgrading returns true if instance is upgrading.
func (c *Rabbitmq) IsUpgrading(name string, namespace string, client client.Client) bool {
instance := &Rabbitmq{}
err := client.Get(context.TODO(), types.NamespacedName{Name: name, Namespace: namespace}, instance)
if err != nil {
return false
}
sts := &appsv1.StatefulSet{}
err = client.Get(context.TODO(), types.NamespacedName{Name: name + "-" + "rabbitmq" + "-statefulset", Namespace: namespace}, sts)
if err != nil {
return false
}
if sts.Status.CurrentRevision != sts.Status.UpdateRevision {
return true
}
return false
}
// PrepareSTS prepares the intended deployment for the Rabbitmq object.
func (c *Rabbitmq) PrepareSTS(sts *appsv1.StatefulSet, commonConfiguration *PodConfiguration, request reconcile.Request, scheme *runtime.Scheme) error {
return PrepareSTS(sts, commonConfiguration, "rabbitmq", request, scheme, c, true)
}
// AddVolumesToIntendedSTS adds volumes to the Rabbitmq deployment.
func (c *Rabbitmq) AddVolumesToIntendedSTS(sts *appsv1.StatefulSet, volumeConfigMapMap map[string]string) {
AddVolumesToIntendedSTS(sts, volumeConfigMapMap)
}
// PodIPListAndIPMapFromInstance gets a list with POD IPs and a map of POD names and IPs.
func (c *Rabbitmq) PodIPListAndIPMapFromInstance(instanceType string, request reconcile.Request, reconcileClient client.Client) ([]corev1.Pod, map[string]NodeInfo, error) {
return PodIPListAndIPMapFromInstance(instanceType, request, reconcileClient, "")
}
// SetInstanceActive sets the Cassandra instance to active.
func (c *Rabbitmq) SetInstanceActive(client client.Client, activeStatus *bool, degradedStatus *bool, sts *appsv1.StatefulSet, request reconcile.Request) error {
return SetInstanceActive(client, activeStatus, degradedStatus, sts, request, c)
}
func (c *Rabbitmq) ManageNodeStatus(nodes map[string]NodeInfo,
client client.Client) (updated bool, err error) {
updated = false
err = nil
c.ConfigurationParameters()
secret := c.Spec.ServiceConfiguration.Secret
if secret == c.Status.Secret && reflect.DeepEqual(c.Status.Nodes, nodes) {
return
}
c.Status.Secret = secret
c.Status.Nodes = nodes
if err = client.Status().Update(context.TODO(), c); err != nil {
return
}
updated = true
return
}
func (c *Rabbitmq) ConfigurationParameters() {
var port = RabbitmqNodePort
var erlEpmdPort = RabbitmqErlEpmdPort
var erlangCookie = RabbitmqErlangCookie
var vhost = RabbitmqVhost
var user = RabbitmqUser
var password = RabbitmqPassword
var secret = c.GetName() + "-secret"
var partHandling = RabbitmqClusterPartitionHandling
var mirredQueueMode = RabbitmqMirroredQueueMode
if c.Spec.ServiceConfiguration.Port == nil {
c.Spec.ServiceConfiguration.Port = &port
}
if c.Spec.ServiceConfiguration.ErlEpmdPort == nil {
c.Spec.ServiceConfiguration.ErlEpmdPort = &erlEpmdPort
}
if c.Spec.ServiceConfiguration.ErlangCookie == "" {
c.Spec.ServiceConfiguration.ErlangCookie = erlangCookie
}
if c.Spec.ServiceConfiguration.Vhost == "" {
c.Spec.ServiceConfiguration.Vhost = vhost
}
if c.Spec.ServiceConfiguration.User == "" {
c.Spec.ServiceConfiguration.User = user
}
if c.Spec.ServiceConfiguration.Password == "" {
c.Spec.ServiceConfiguration.Password = password
}
if c.Spec.ServiceConfiguration.Secret == "" {
c.Spec.ServiceConfiguration.Secret = secret
}
if c.Spec.ServiceConfiguration.ClusterPartitionHandling == nil {
c.Spec.ServiceConfiguration.ClusterPartitionHandling = &partHandling
}
if c.Spec.ServiceConfiguration.MirroredQueueMode == nil {
c.Spec.ServiceConfiguration.MirroredQueueMode = &mirredQueueMode
}
}