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utils.go
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/
utils.go
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package manager
import (
"crypto/sha256"
"crypto/tls"
"crypto/x509"
"encoding/hex"
"strings"
"time"
"github.com/shipyard/shipyard"
)
func getTLSConfig(caCert, sslCert, sslKey []byte) (*tls.Config, error) {
// TLS config
var tlsConfig tls.Config
tlsConfig.InsecureSkipVerify = true
certPool := x509.NewCertPool()
certPool.AppendCertsFromPEM(caCert)
tlsConfig.RootCAs = certPool
cert, err := tls.X509KeyPair(sslCert, sslKey)
if err != nil {
return &tlsConfig, err
}
tlsConfig.Certificates = []tls.Certificate{cert}
return &tlsConfig, nil
}
func generateId(n int) string {
hash := sha256.New()
hash.Write([]byte(time.Now().String()))
md := hash.Sum(nil)
mdStr := hex.EncodeToString(md)
return mdStr[:n]
}
func parseClusterNodes(driverStatus [][]string) ([]*shipyard.Node, error) {
nodes := []*shipyard.Node{}
var node *shipyard.Node
nodeComplete := false
name := ""
addr := ""
containers := ""
reservedCPUs := ""
reservedMemory := ""
labels := []string{}
for _, l := range driverStatus {
if len(l) != 2 {
continue
}
label := l[0]
data := l[1]
// cluster info label i.e. "Filters" or "Strategy"
if strings.Index(label, "\u0008") > -1 {
continue
}
if strings.Index(label, " └") == -1 {
name = label
addr = data
}
// node info like "Containers"
switch label {
case " └ Containers":
containers = data
case " └ Reserved CPUs":
reservedCPUs = data
case " └ Reserved Memory":
reservedMemory = data
case " └ Labels":
lbls := strings.Split(data, ",")
labels = lbls
nodeComplete = true
default:
continue
}
if nodeComplete {
node = &shipyard.Node{
Name: name,
Addr: addr,
Containers: containers,
ReservedCPUs: reservedCPUs,
ReservedMemory: reservedMemory,
Labels: labels,
}
nodes = append(nodes, node)
// reset info
name = ""
addr = ""
containers = ""
reservedCPUs = ""
reservedMemory = ""
labels = []string{}
nodeComplete = false
}
}
return nodes, nil
}