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resource_google_project_iam_member.go
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resource_google_project_iam_member.go
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package google
import (
"fmt"
"log"
"github.com/hashicorp/terraform/helper/schema"
"google.golang.org/api/cloudresourcemanager/v1"
)
func resourceGoogleProjectIamMember() *schema.Resource {
return &schema.Resource{
Create: resourceGoogleProjectIamMemberCreate,
Read: resourceGoogleProjectIamMemberRead,
Delete: resourceGoogleProjectIamMemberDelete,
Schema: map[string]*schema.Schema{
"project": {
Type: schema.TypeString,
Optional: true,
ForceNew: true,
},
"role": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"member": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"etag": {
Type: schema.TypeString,
Computed: true,
},
},
}
}
func resourceGoogleProjectIamMemberCreate(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
pid, err := getProject(d, config)
if err != nil {
return err
}
// Get the binding in the template
log.Println("[DEBUG]: Reading google_project_iam_member")
p := getResourceIamMember(d)
mutexKV.Lock(projectIamMemberMutexKey(pid, p.Role, p.Members[0]))
defer mutexKV.Unlock(projectIamMemberMutexKey(pid, p.Role, p.Members[0]))
err = projectIamPolicyReadModifyWrite(d, config, pid, func(ep *cloudresourcemanager.Policy) error {
// find the binding
var binding *cloudresourcemanager.Binding
for _, b := range ep.Bindings {
if b.Role != p.Role {
continue
}
binding = b
break
}
if binding == nil {
binding = &cloudresourcemanager.Binding{
Role: p.Role,
Members: p.Members,
}
}
// Merge the bindings together
ep.Bindings = mergeBindings(append(ep.Bindings, p))
return nil
})
if err != nil {
return err
}
d.SetId(pid + "/" + p.Role + "/" + p.Members[0])
return resourceGoogleProjectIamMemberRead(d, meta)
}
func resourceGoogleProjectIamMemberRead(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
pid, err := getProject(d, config)
if err != nil {
return err
}
eMember := getResourceIamMember(d)
log.Println("[DEBUG]: Retrieving policy for project", pid)
p, err := getProjectIamPolicy(pid, config)
if err != nil {
return err
}
log.Printf("[DEBUG]: Retrieved policy for project %q: %+v\n", pid, p)
var binding *cloudresourcemanager.Binding
for _, b := range p.Bindings {
if b.Role != eMember.Role {
continue
}
binding = b
break
}
if binding == nil {
log.Printf("[DEBUG]: Binding for role %q does not exist in policy of project %q, removing member %q from state.", eMember.Role, pid, eMember.Members[0])
d.SetId("")
return nil
}
var member string
for _, m := range binding.Members {
if m == eMember.Members[0] {
member = m
}
}
if member == "" {
log.Printf("[DEBUG]: Member %q for binding for role %q does not exist in policy of project %q, removing from state.", eMember.Members[0], eMember.Role, pid)
d.SetId("")
return nil
}
d.Set("etag", p.Etag)
d.Set("member", member)
d.Set("role", binding.Role)
return nil
}
func resourceGoogleProjectIamMemberDelete(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
pid, err := getProject(d, config)
if err != nil {
return err
}
member := getResourceIamMember(d)
mutexKV.Lock(projectIamMemberMutexKey(pid, member.Role, member.Members[0]))
defer mutexKV.Unlock(projectIamMemberMutexKey(pid, member.Role, member.Members[0]))
err = projectIamPolicyReadModifyWrite(d, config, pid, func(p *cloudresourcemanager.Policy) error {
bindingToRemove := -1
for pos, b := range p.Bindings {
if b.Role != member.Role {
continue
}
bindingToRemove = pos
break
}
if bindingToRemove < 0 {
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, pid, member.Members[0])
return nil
}
binding := p.Bindings[bindingToRemove]
memberToRemove := -1
for pos, m := range binding.Members {
if m != member.Members[0] {
continue
}
memberToRemove = pos
break
}
if memberToRemove < 0 {
log.Printf("[DEBUG]: Member %q for binding for role %q does not exist in policy of project %q.", member.Members[0], member.Role, pid)
return nil
}
binding.Members = append(binding.Members[:memberToRemove], binding.Members[memberToRemove+1:]...)
p.Bindings[bindingToRemove] = binding
return nil
})
if err != nil {
return err
}
return resourceGoogleProjectIamMemberRead(d, meta)
}
// Get a cloudresourcemanager.Binding from a schema.ResourceData
func getResourceIamMember(d *schema.ResourceData) *cloudresourcemanager.Binding {
return &cloudresourcemanager.Binding{
Members: []string{d.Get("member").(string)},
Role: d.Get("role").(string),
}
}
func projectIamMemberMutexKey(pid, role, member string) string {
return fmt.Sprintf("google-project-iam-member-%s-%s-%s", pid, role, member)
}