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store_cluster_metadata.go
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store_cluster_metadata.go
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package usecases
import (
"context"
"encoding/base64"
"encoding/json"
"fmt"
"net"
"path/filepath"
"github.com/berops/claudie/internal/envs"
cutils "github.com/berops/claudie/internal/utils"
"github.com/berops/claudie/proto/pb"
"github.com/berops/claudie/services/kuber/server/domain/utils"
"github.com/berops/claudie/services/kuber/server/domain/utils/secret"
)
// StoreClusterMetadata constructs ClusterMetadata for the given K8s cluster, creates a Kubernetes
// secret out of that and stores that secret in the Claudie management cluster.
func (u *Usecases) StoreClusterMetadata(ctx context.Context, request *pb.StoreClusterMetadataRequest) (*pb.StoreClusterMetadataResponse, error) {
logger := cutils.CreateLoggerWithClusterName(cutils.GetClusterID(request.Cluster.ClusterInfo))
md := ClusterMetadata{
PrivateKey: request.GetCluster().GetClusterInfo().GetPrivateKey(),
}
dp := DynamicNodepool{NodeIps: make(map[string]IPPair)}
sp := StaticNodepool{NodeInfo: make(map[string]StaticNodeInfo)}
for _, pool := range request.GetCluster().GetClusterInfo().GetNodePools() {
if np := pool.GetDynamicNodePool(); np != nil {
for _, node := range pool.GetNodes() {
dp.NodeIps[node.GetName()] = IPPair{
PublicIP: net.ParseIP(node.GetPublic()),
PrivateIP: net.ParseIP(node.GetPrivate()),
}
}
} else if np := pool.GetStaticNodePool(); np != nil {
for _, node := range pool.GetNodes() {
sp.NodeInfo[node.GetName()] = StaticNodeInfo{
PrivateKey: np.NodeKeys[node.Public],
Endpoint: node.GetPublic()}
}
}
}
md.DynamicNodepools = dp
md.StaticNodepools = sp
lbdp := make(map[string]DynamicLoadBalancerNodePools)
lbst := make(map[string]StaticLoadBalancerNodePools)
for _, lb := range request.GetLoadbalancers() {
for _, pool := range lb.GetClusterInfo().GetNodePools() {
if np := pool.GetDynamicNodePool(); np != nil {
if _, keyExists := lbdp[lb.GetClusterInfo().GetName()]; !keyExists {
lbdp[lb.GetClusterInfo().GetName()] = DynamicLoadBalancerNodePools{
NodeIps: make(map[string]IPPair),
PrivateKey: lb.GetClusterInfo().GetPrivateKey(),
}
}
for _, node := range pool.GetNodes() {
lbdp[lb.GetClusterInfo().GetName()].NodeIps[node.GetName()] = IPPair{
PublicIP: net.ParseIP(node.GetPublic()),
PrivateIP: net.ParseIP(node.GetPrivate()),
}
}
} else if np := pool.GetStaticNodePool(); np != nil {
if _, keyExists := lbst[lb.GetClusterInfo().GetName()]; !keyExists {
lbst[lb.GetClusterInfo().GetName()] = StaticLoadBalancerNodePools{NodeInfo: make(map[string]StaticNodeInfo)}
}
for _, node := range pool.GetNodes() {
lbst[lb.GetClusterInfo().GetName()].NodeInfo[node.GetName()] = StaticNodeInfo{
PrivateKey: np.NodeKeys[node.Public],
Endpoint: node.GetPublic()}
}
}
}
}
md.DynamicLoadBalancerNodePools = lbdp
md.StaticLoadBalancerNodePools = lbst
b, err := json.Marshal(md)
if err != nil {
return nil, fmt.Errorf("failed to marshal %s cluster metadata: %w", request.GetCluster().GetClusterInfo().GetName(), err)
}
// local deployment - print metadata
if envs.Namespace == "" {
// NOTE: DEBUG print
// var buffer bytes.Buffer
// for node, ips := range md.NodeIps {
// buffer.WriteString(fmt.Sprintf("%s: %v \t| %v \n", node, ips.PublicIP, ips.PrivateIP))
// }
// buffer.WriteString(fmt.Sprintf("%s\n", md.PrivateKey))
// log.Info().Msgf("Cluster metadata from cluster %s \n%s", req.GetCluster().ClusterInfo.Name, buffer.String())
return &pb.StoreClusterMetadataResponse{}, nil
}
logger.Info().Msgf("Storing cluster metadata")
clusterID := cutils.GetClusterID(request.GetCluster().ClusterInfo)
clusterDir := filepath.Join(outputDir, clusterID)
sec := secret.New(clusterDir, secret.NewYaml(
utils.GetSecretMetadata(request.Cluster.ClusterInfo, request.ProjectName, utils.MetadataSecret),
map[string]string{"metadata": base64.StdEncoding.EncodeToString(b)},
))
if err := sec.Apply(envs.Namespace, ""); err != nil {
logger.Err(err).Msgf("Failed to store cluster metadata")
return nil, fmt.Errorf("error while creating cluster metadata secret for %s", request.Cluster.ClusterInfo.Name)
}
logger.Info().Msgf("Cluster metadata was successfully stored")
return &pb.StoreClusterMetadataResponse{}, nil
}