mirror of
https://github.com/letic/terraform-provider-google.git
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3bceb8f951
* Add IAM support for storage bucket * Add documentation * Test multiple roles
163 lines
4.5 KiB
Go
163 lines
4.5 KiB
Go
package google
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import (
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"github.com/hashicorp/terraform/helper/schema"
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"google.golang.org/api/cloudresourcemanager/v1"
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"log"
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)
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var IamMemberBaseSchema = map[string]*schema.Schema{
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"role": {
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Type: schema.TypeString,
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Required: true,
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ForceNew: true,
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},
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"member": {
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Type: schema.TypeString,
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Required: true,
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ForceNew: true,
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},
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"etag": {
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Type: schema.TypeString,
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Computed: true,
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},
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}
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func ResourceIamMember(parentSpecificSchema map[string]*schema.Schema, newUpdaterFunc newResourceIamUpdaterFunc) *schema.Resource {
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return &schema.Resource{
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Create: resourceIamMemberCreate(newUpdaterFunc),
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Read: resourceIamMemberRead(newUpdaterFunc),
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Delete: resourceIamMemberDelete(newUpdaterFunc),
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Schema: mergeSchemas(IamMemberBaseSchema, parentSpecificSchema),
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}
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}
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func getResourceIamMember(d *schema.ResourceData) *cloudresourcemanager.Binding {
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return &cloudresourcemanager.Binding{
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Members: []string{d.Get("member").(string)},
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Role: d.Get("role").(string),
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}
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}
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func resourceIamMemberCreate(newUpdaterFunc newResourceIamUpdaterFunc) schema.CreateFunc {
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return func(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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updater, err := newUpdaterFunc(d, config)
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if err != nil {
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return err
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}
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p := getResourceIamMember(d)
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err = iamPolicyReadModifyWrite(updater, func(ep *cloudresourcemanager.Policy) error {
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// Merge the bindings together
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ep.Bindings = mergeBindings(append(ep.Bindings, p))
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return nil
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})
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if err != nil {
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return err
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}
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d.SetId(updater.GetResourceId() + "/" + p.Role + "/" + p.Members[0])
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return resourceIamMemberRead(newUpdaterFunc)(d, meta)
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}
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}
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func resourceIamMemberRead(newUpdaterFunc newResourceIamUpdaterFunc) schema.ReadFunc {
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return func(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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updater, err := newUpdaterFunc(d, config)
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if err != nil {
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return err
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}
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eMember := getResourceIamMember(d)
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p, err := updater.GetResourceIamPolicy()
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if err != nil {
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return err
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}
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log.Printf("[DEBUG]: Retrieved policy for %s: %+v\n", updater.DescribeResource(), p)
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var binding *cloudresourcemanager.Binding
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for _, b := range p.Bindings {
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if b.Role != eMember.Role {
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continue
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}
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binding = b
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break
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}
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if binding == nil {
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log.Printf("[DEBUG]: Binding for role %q does not exist in policy of %s, removing member %q from state.", eMember.Role, updater.DescribeResource(), eMember.Members[0])
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d.SetId("")
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return nil
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}
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var member string
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for _, m := range binding.Members {
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if m == eMember.Members[0] {
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member = m
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}
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}
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if member == "" {
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log.Printf("[DEBUG]: Member %q for binding for role %q does not exist in policy of %s, removing from state.", eMember.Members[0], eMember.Role, updater.DescribeResource())
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d.SetId("")
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return nil
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}
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d.Set("etag", p.Etag)
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d.Set("member", member)
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d.Set("role", binding.Role)
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return nil
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}
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}
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func resourceIamMemberDelete(newUpdaterFunc newResourceIamUpdaterFunc) schema.DeleteFunc {
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return func(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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updater, err := newUpdaterFunc(d, config)
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if err != nil {
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return err
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}
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member := getResourceIamMember(d)
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err = iamPolicyReadModifyWrite(updater, func(p *cloudresourcemanager.Policy) error {
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bindingToRemove := -1
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for pos, b := range p.Bindings {
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if b.Role != member.Role {
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continue
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}
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bindingToRemove = pos
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break
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}
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if bindingToRemove < 0 {
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log.Printf("[DEBUG]: Binding for role %q does not exist in policy of project %q, so member %q can't be on it.", member.Role, updater.GetResourceId(), member.Members[0])
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return nil
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}
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binding := p.Bindings[bindingToRemove]
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memberToRemove := -1
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for pos, m := range binding.Members {
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if m != member.Members[0] {
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continue
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}
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memberToRemove = pos
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break
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}
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if memberToRemove < 0 {
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log.Printf("[DEBUG]: Member %q for binding for role %q does not exist in policy of project %q.", member.Members[0], member.Role, updater.GetResourceId())
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return nil
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}
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binding.Members = append(binding.Members[:memberToRemove], binding.Members[memberToRemove+1:]...)
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if len(binding.Members) == 0 {
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// If there is no member left for the role, remove the binding altogether
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p.Bindings = append(p.Bindings[:bindingToRemove], p.Bindings[bindingToRemove+1:]...)
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} else {
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p.Bindings[bindingToRemove] = binding
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}
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return nil
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})
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if err != nil {
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return err
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}
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return resourceIamMemberRead(newUpdaterFunc)(d, meta)
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}
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}
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