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snow.go
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snow.go
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package framework
import (
"os"
"testing"
"github.com/aws/eks-anywhere/internal/pkg/api"
)
const (
snowAMIIDUbuntu120 = "T_SNOW_AMIID_UBUNTU_1_20"
snowAMIIDUbuntu121 = "T_SNOW_AMIID_UBUNTU_1_21"
snowControlPlaneCidr = "T_SNOW_CONTROL_PLANE_CIDR"
snowPodCidr = "T_SNOW_POD_CIDR"
snowCredentialsFile = "EKSA_AWS_CREDENTIALS_FILE"
snowCertificatesFile = "EKSA_AWS_CA_BUNDLES_FILE"
)
var requiredSnowEnvVars = []string{
snowAMIIDUbuntu120,
snowAMIIDUbuntu121,
snowControlPlaneCidr,
snowCredentialsFile,
snowCertificatesFile,
}
type Snow struct {
t *testing.T
fillers []api.SnowFiller
clusterFillers []api.ClusterFiller
cpCidr string
podCidr string
}
type SnowOpt func(*Snow)
func NewSnow(t *testing.T, opts ...SnowOpt) *Snow {
checkRequiredEnvVars(t, requiredSnowEnvVars)
s := &Snow{
t: t,
fillers: []api.SnowFiller{
api.WithSnowStringFromEnvVar(snowAMIIDUbuntu120, api.WithSnowAMIID),
},
}
s.cpCidr = os.Getenv(snowControlPlaneCidr)
s.podCidr = os.Getenv(snowPodCidr)
for _, opt := range opts {
opt(s)
}
return s
}
func (s *Snow) Name() string {
return "snow"
}
func (s *Snow) Setup() {}
func (s *Snow) CustomizeProviderConfig(file string) []byte {
return s.customizeProviderConfig(file, s.fillers...)
}
func (s *Snow) CleanupVMs(_ string) error {
return nil
}
func (s *Snow) ClusterConfigFillers() []api.ClusterFiller {
ip, err := GenerateUniqueIp(s.cpCidr)
if err != nil {
s.t.Fatalf("failed to generate control plane ip for snow [cidr=%s]: %v", s.cpCidr, err)
}
s.clusterFillers = append(s.clusterFillers, api.WithControlPlaneEndpointIP(ip))
if s.podCidr != "" {
s.clusterFillers = append(s.clusterFillers, api.WithPodCidr(s.podCidr))
}
return s.clusterFillers
}
func (s *Snow) customizeProviderConfig(file string, fillers ...api.SnowFiller) []byte {
providerOutput, err := api.AutoFillSnowProvider(file, fillers...)
if err != nil {
s.t.Fatalf("failed to customize provider config from file: %v", err)
}
return providerOutput
}
func WithSnowUbuntu121() SnowOpt {
return func(v *Snow) {
v.fillers = append(v.fillers,
api.WithSnowStringFromEnvVar(snowAMIIDUbuntu121, api.WithSnowAMIID),
)
}
}