/
get.go
150 lines (120 loc) · 3.49 KB
/
get.go
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package iam_role
import (
"errors"
"fmt"
"net/url"
"os"
"strings"
awssdk "github.com/aws/aws-sdk-go-v2/aws"
ekstypes "github.com/aws/aws-sdk-go-v2/service/eks/types"
"github.com/aws/aws-sdk-go-v2/service/iam/types"
"github.com/awslabs/eksdemo/pkg/aws"
"github.com/awslabs/eksdemo/pkg/printer"
"github.com/awslabs/eksdemo/pkg/resource"
"github.com/awslabs/eksdemo/pkg/resource/iam_oidc"
)
type Getter struct {
iamClient *aws.IAMClient
oidcGetter *iam_oidc.Getter
}
func NewGetter(iamClient *aws.IAMClient) *Getter {
return &Getter{iamClient, iam_oidc.NewGetter(iamClient)}
}
func (g *Getter) Init() {
if g.iamClient == nil {
g.iamClient = aws.NewIAMClient()
}
g.oidcGetter = iam_oidc.NewGetter(g.iamClient)
}
func (g *Getter) Get(name string, output printer.Output, options resource.Options) error {
roleOptions, ok := options.(*IamRoleOptions)
if !ok {
return fmt.Errorf("internal error, unable to cast options to IamRoleOptions")
}
var role *types.Role
var roles []types.Role
var err error
if name != "" {
role, err = g.GetRoleByName(name)
} else if roleOptions.NameSearch != "" {
roles, err = g.GetRolesByNameSearch(roleOptions.NameSearch)
} else if roleOptions.Cluster != nil {
roles, err = g.GetIrsaRolesForCluster(roleOptions.Cluster, roleOptions.LastUsed)
} else {
roles, err = g.GetAllRoles(roleOptions.LastUsed)
}
if err != nil {
return err
}
if role != nil {
roles = []types.Role{*role}
}
return output.Print(os.Stdout, NewPrinter(roles, roleOptions.LastUsed))
}
func (g *Getter) GetAllRoles(getRoleDetails bool) (roles []types.Role, err error) {
roles, err = g.iamClient.ListRoles()
if err != nil {
return nil, err
}
if getRoleDetails {
return g.getDetailedRoles(roles)
}
return roles, nil
}
func (g *Getter) GetIrsaRolesForCluster(cluster *ekstypes.Cluster, getRoleDetails bool) ([]types.Role, error) {
oidc, err := g.oidcGetter.GetOidcProviderByCluster(cluster)
if err != nil {
return []types.Role{}, err
}
roles, err := g.GetAllRoles(getRoleDetails)
if err != nil {
return []types.Role{}, err
}
irsaRoles := []types.Role{}
providerUrlEscaped := url.QueryEscape(awssdk.ToString(oidc.Url))
for _, r := range roles {
if strings.Contains(awssdk.ToString(r.AssumeRolePolicyDocument), providerUrlEscaped) {
irsaRoles = append(irsaRoles, r)
}
}
return irsaRoles, nil
}
func (g *Getter) GetRoleByName(name string) (*types.Role, error) {
role, err := g.iamClient.GetRole(name)
if err != nil {
var nsee *types.NoSuchEntityException
if errors.As(err, &nsee) {
return nil, resource.NotFoundError(fmt.Sprintf("iam-role %q not found", name))
}
return nil, err
}
return role, nil
}
func (g *Getter) GetRolesByNameSearch(nameSearch string) ([]types.Role, error) {
roles, err := g.iamClient.ListRoles()
if err != nil {
return nil, err
}
filtered := []types.Role{}
n := strings.ToLower(nameSearch)
for _, r := range roles {
if strings.Contains(strings.ToLower(awssdk.ToString(r.RoleName)), n) {
filtered = append(filtered, r)
}
}
if len(filtered) == 0 {
return nil, resource.NotFoundError(fmt.Sprintf("no iam-role found searching for %q", nameSearch))
}
return filtered, nil
}
func (g *Getter) getDetailedRoles(roles []types.Role) ([]types.Role, error) {
detailedRoles := make([]types.Role, 0, len(roles))
for _, r := range roles {
role, err := g.iamClient.GetRole(awssdk.ToString(r.RoleName))
if err != nil {
return []types.Role{}, err
}
detailedRoles = append(detailedRoles, *role)
}
return detailedRoles, nil
}