feat(station): prune external canister request

apps/wallet/src/generated/station/station.did

@@ -847,6 +847,21 @@ type RestoreExternalCanisterOperation = record {
   input : RestoreExternalCanisterOperationInput;
 };
 
+type PruneExternalCanisterOperationInput = record {
+  // The canister to prune.
+  canister_id : principal;
+  // The resource to prune.
+  prune : variant {
+    chunk_store;
+    snapshot : text;
+    state;
+  };
+};
+
+type PruneExternalCanisterOperation = record {
+  input : PruneExternalCanisterOperationInput;
+};
+
 type EditPermissionOperationInput = record {
   // The updated resource that this policy will apply to.
   resource : Resource;
@@ -942,6 +957,8 @@ type RequestOperation = variant {
   SnapshotExternalCanister : SnapshotExternalCanisterOperation;
   // An operation for restoring an external canister from a snapshot.
   RestoreExternalCanister : RestoreExternalCanisterOperation;
+  // An operation for pruning an external canister.
+  PruneExternalCanister : PruneExternalCanisterOperation;
   // An operation for editing an permission.
   EditPermission : EditPermissionOperation;
   // An operation for adding a request policy.
@@ -995,6 +1012,8 @@ type RequestOperationInput = variant {
   SnapshotExternalCanister : SnapshotExternalCanisterOperationInput;
   // An operation for restoring an external canister from a snapshot.
   RestoreExternalCanister : RestoreExternalCanisterOperationInput;
+  // An operation for pruning an external canister.
+  PruneExternalCanister : PruneExternalCanisterOperationInput;
   // An operation for editing an permission.
   EditPermission : EditPermissionOperationInput;
   // An operation for adding a request policy.
@@ -1048,6 +1067,8 @@ type RequestOperationType = variant {
   SnapshotExternalCanister;
   // An operation for restoring an external canister from a snapshot.
   RestoreExternalCanister;
+  // An operation for pruning an external canister.
+  PruneExternalCanister;
   // An operation for editing an permission.
   EditPermission;
   // An operation for adding a request policy.
@@ -1200,6 +1221,8 @@ type ListRequestsOperationType = variant {
   SnapshotExternalCanister : opt principal;
   // An operation for restoring an external canister from a snapshot.
   RestoreExternalCanister : opt principal;
+  // An operation for pruning an external canister.
+  PruneExternalCanister : opt principal;
   // An operation for editing an permission.
   EditPermission;
   // An operation for adding a request policy.

apps/wallet/src/generated/station/station.did.d.ts

@@ -759,6 +759,7 @@ export interface ListRequestsInput {
 export type ListRequestsOperationType = { 'AddUserGroup' : null } |
   { 'EditPermission' : null } |
   { 'SnapshotExternalCanister' : [] | [Principal] } |
+  { 'PruneExternalCanister' : [] | [Principal] } |
   { 'ConfigureExternalCanister' : [] | [Principal] } |
   { 'ChangeExternalCanister' : [] | [Principal] } |
   { 'AddUser' : null } |
@@ -895,6 +896,15 @@ export interface PermissionCallerPrivileges {
 }
 export type PermissionResourceAction = { 'Read' : null } |
   { 'Update' : null };
+export interface PruneExternalCanisterOperation {
+  'input' : PruneExternalCanisterOperationInput,
+}
+export interface PruneExternalCanisterOperationInput {
+  'canister_id' : Principal,
+  'prune' : { 'snapshot' : string } |
+    { 'state' : null } |
+    { 'chunk_store' : null },
+}
 export interface Quorum { 'min_approved' : number, 'approvers' : UserSpecifier }
 export interface QuorumPercentage {
   'min_approved' : number,
@@ -955,6 +965,7 @@ export type RequestExecutionSchedule = { 'Immediate' : null } |
 export type RequestOperation = { 'AddUserGroup' : AddUserGroupOperation } |
   { 'EditPermission' : EditPermissionOperation } |
   { 'SnapshotExternalCanister' : SnapshotExternalCanisterOperation } |
+  { 'PruneExternalCanister' : PruneExternalCanisterOperation } |
   { 'ConfigureExternalCanister' : ConfigureExternalCanisterOperation } |
   { 'ChangeExternalCanister' : ChangeExternalCanisterOperation } |
   { 'AddUser' : AddUserOperation } |
@@ -982,6 +993,7 @@ export type RequestOperationInput = {
   } |
   { 'EditPermission' : EditPermissionOperationInput } |
   { 'SnapshotExternalCanister' : SnapshotExternalCanisterOperationInput } |
+  { 'PruneExternalCanister' : PruneExternalCanisterOperationInput } |
   { 'ConfigureExternalCanister' : ConfigureExternalCanisterOperationInput } |
   { 'ChangeExternalCanister' : ChangeExternalCanisterOperationInput } |
   { 'AddUser' : AddUserOperationInput } |
@@ -1007,6 +1019,7 @@ export type RequestOperationInput = {
 export type RequestOperationType = { 'AddUserGroup' : null } |
   { 'EditPermission' : null } |
   { 'SnapshotExternalCanister' : null } |
+  { 'PruneExternalCanister' : null } |
   { 'ConfigureExternalCanister' : null } |
   { 'ChangeExternalCanister' : null } |
   { 'AddUser' : null } |

apps/wallet/src/generated/station/station.did.js

@@ -158,6 +158,17 @@ export const idlFactory = ({ IDL }) => {
     'input' : SnapshotExternalCanisterOperationInput,
     'snapshot_id' : IDL.Opt(IDL.Text),
   });
+  const PruneExternalCanisterOperationInput = IDL.Record({
+    'canister_id' : IDL.Principal,
+    'prune' : IDL.Variant({
+      'snapshot' : IDL.Text,
+      'state' : IDL.Null,
+      'chunk_store' : IDL.Null,
+    }),
+  });
+  const PruneExternalCanisterOperation = IDL.Record({
+    'input' : PruneExternalCanisterOperationInput,
+  });
   const Allow = IDL.Record({
     'user_groups' : IDL.Vec(UUID),
     'auth_scope' : AuthScope,
@@ -617,6 +628,7 @@ export const idlFactory = ({ IDL }) => {
     'AddUserGroup' : AddUserGroupOperation,
     'EditPermission' : EditPermissionOperation,
     'SnapshotExternalCanister' : SnapshotExternalCanisterOperation,
+    'PruneExternalCanister' : PruneExternalCanisterOperation,
     'ConfigureExternalCanister' : ConfigureExternalCanisterOperation,
     'ChangeExternalCanister' : ChangeExternalCanisterOperation,
     'AddUser' : AddUserOperation,
@@ -764,6 +776,7 @@ export const idlFactory = ({ IDL }) => {
     'AddUserGroup' : AddUserGroupOperationInput,
     'EditPermission' : EditPermissionOperationInput,
     'SnapshotExternalCanister' : SnapshotExternalCanisterOperationInput,
+    'PruneExternalCanister' : PruneExternalCanisterOperationInput,
     'ConfigureExternalCanister' : ConfigureExternalCanisterOperationInput,
     'ChangeExternalCanister' : ChangeExternalCanisterOperationInput,
     'AddUser' : AddUserOperationInput,
@@ -962,6 +975,7 @@ export const idlFactory = ({ IDL }) => {
     'AddUserGroup' : IDL.Null,
     'EditPermission' : IDL.Null,
     'SnapshotExternalCanister' : IDL.Opt(IDL.Principal),
+    'PruneExternalCanister' : IDL.Opt(IDL.Principal),
     'ConfigureExternalCanister' : IDL.Opt(IDL.Principal),
     'ChangeExternalCanister' : IDL.Opt(IDL.Principal),
     'AddUser' : IDL.Null,
@@ -1196,6 +1210,7 @@ export const idlFactory = ({ IDL }) => {
     'AddUserGroup' : IDL.Null,
     'EditPermission' : IDL.Null,
     'SnapshotExternalCanister' : IDL.Null,
+    'PruneExternalCanister' : IDL.Null,
     'ConfigureExternalCanister' : IDL.Null,
     'ChangeExternalCanister' : IDL.Null,
     'AddUser' : IDL.Null,

core/station/api/spec.did

@@ -847,6 +847,21 @@ type RestoreExternalCanisterOperation = record {
   input : RestoreExternalCanisterOperationInput;
 };
 
+type PruneExternalCanisterOperationInput = record {
+  // The canister to prune.
+  canister_id : principal;
+  // The resource to prune.
+  prune : variant {
+    chunk_store;
+    snapshot : text;
+    state;
+  };
+};
+
+type PruneExternalCanisterOperation = record {
+  input : PruneExternalCanisterOperationInput;
+};
+
 type EditPermissionOperationInput = record {
   // The updated resource that this policy will apply to.
   resource : Resource;
@@ -942,6 +957,8 @@ type RequestOperation = variant {
   SnapshotExternalCanister : SnapshotExternalCanisterOperation;
   // An operation for restoring an external canister from a snapshot.
   RestoreExternalCanister : RestoreExternalCanisterOperation;
+  // An operation for pruning an external canister.
+  PruneExternalCanister : PruneExternalCanisterOperation;
   // An operation for editing an permission.
   EditPermission : EditPermissionOperation;
   // An operation for adding a request policy.
@@ -995,6 +1012,8 @@ type RequestOperationInput = variant {
   SnapshotExternalCanister : SnapshotExternalCanisterOperationInput;
   // An operation for restoring an external canister from a snapshot.
   RestoreExternalCanister : RestoreExternalCanisterOperationInput;
+  // An operation for pruning an external canister.
+  PruneExternalCanister : PruneExternalCanisterOperationInput;
   // An operation for editing an permission.
   EditPermission : EditPermissionOperationInput;
   // An operation for adding a request policy.
@@ -1048,6 +1067,8 @@ type RequestOperationType = variant {
   SnapshotExternalCanister;
   // An operation for restoring an external canister from a snapshot.
   RestoreExternalCanister;
+  // An operation for pruning an external canister.
+  PruneExternalCanister;
   // An operation for editing an permission.
   EditPermission;
   // An operation for adding a request policy.
@@ -1200,6 +1221,8 @@ type ListRequestsOperationType = variant {
   SnapshotExternalCanister : opt principal;
   // An operation for restoring an external canister from a snapshot.
   RestoreExternalCanister : opt principal;
+  // An operation for pruning an external canister.
+  PruneExternalCanister : opt principal;
   // An operation for editing an permission.
   EditPermission;
   // An operation for adding a request policy.

core/station/api/src/external_canister.rs

@@ -405,3 +405,24 @@ pub struct RestoreExternalCanisterOperationInput {
 pub struct RestoreExternalCanisterOperationDTO {
     pub input: RestoreExternalCanisterOperationInput,
 }
+
+#[derive(CandidType, serde::Serialize, Deserialize, Debug, Clone)]
+pub enum PruneExternalCanisterResourceDTO {
+    #[serde(rename = "snapshot")]
+    Snapshot(String),
+    #[serde(rename = "chunk_store")]
+    ChunkStore,
+    #[serde(rename = "state")]
+    State,
+}
+
+#[derive(CandidType, serde::Serialize, Deserialize, Debug, Clone)]
+pub struct PruneExternalCanisterOperationInput {
+    pub canister_id: Principal,
+    pub prune: PruneExternalCanisterResourceDTO,
+}
+
+#[derive(CandidType, serde::Serialize, Deserialize, Debug, Clone)]
+pub struct PruneExternalCanisterOperationDTO {
+    pub input: PruneExternalCanisterOperationInput,
+}

core/station/api/src/request.rs

@@ -14,6 +14,7 @@ use crate::{
     EditUserGroupOperationInput, EditUserOperationDTO, EditUserOperationInput,
     FundExternalCanisterOperationDTO, FundExternalCanisterOperationInput,
     ManageSystemInfoOperationDTO, ManageSystemInfoOperationInput, PaginationInput,
+    PruneExternalCanisterOperationDTO, PruneExternalCanisterOperationInput,
     RemoveAddressBookEntryOperationDTO, RemoveAddressBookEntryOperationInput,
     RemoveUserGroupOperationDTO, RemoveUserGroupOperationInput, RequestEvaluationResultDTO,
     RequestPolicyRuleDTO, RequestSpecifierDTO, RestoreExternalCanisterOperationDTO,
@@ -82,6 +83,7 @@ pub enum RequestOperationDTO {
     FundExternalCanister(Box<FundExternalCanisterOperationDTO>),
     SnapshotExternalCanister(Box<SnapshotExternalCanisterOperationDTO>),
     RestoreExternalCanister(Box<RestoreExternalCanisterOperationDTO>),
+    PruneExternalCanister(Box<PruneExternalCanisterOperationDTO>),
     EditPermission(Box<EditPermissionOperationDTO>),
     AddRequestPolicy(Box<AddRequestPolicyOperationDTO>),
     EditRequestPolicy(Box<EditRequestPolicyOperationDTO>),
@@ -111,6 +113,7 @@ pub enum RequestOperationInput {
     FundExternalCanister(FundExternalCanisterOperationInput),
     SnapshotExternalCanister(SnapshotExternalCanisterOperationInput),
     RestoreExternalCanister(RestoreExternalCanisterOperationInput),
+    PruneExternalCanister(PruneExternalCanisterOperationInput),
     EditPermission(EditPermissionOperationInput),
     AddRequestPolicy(AddRequestPolicyOperationInput),
     EditRequestPolicy(EditRequestPolicyOperationInput),
@@ -139,6 +142,7 @@ pub enum RequestOperationTypeDTO {
     FundExternalCanister,
     SnapshotExternalCanister,
     RestoreExternalCanister,
+    PruneExternalCanister,
     EditPermission,
     AddRequestPolicy,
     EditRequestPolicy,
@@ -167,6 +171,7 @@ pub enum ListRequestsOperationTypeDTO {
     FundExternalCanister(Option<Principal>),
     SnapshotExternalCanister(Option<Principal>),
     RestoreExternalCanister(Option<Principal>),
+    PruneExternalCanister(Option<Principal>),
     EditPermission,
     AddRequestPolicy,
     EditRequestPolicy,

core/station/impl/src/factories/requests/mod.rs

@@ -33,6 +33,7 @@ mod edit_user;
 mod edit_user_group;
 mod fund_external_canister;
 mod manage_system_info;
+mod prune_external_canister;
 mod remove_address_book_entry;
 mod remove_request_policy;
 mod remove_user_group;
@@ -64,6 +65,8 @@ use self::{
     edit_request_policy::{EditRequestPolicyRequestCreate, EditRequestPolicyRequestExecute},
     edit_user::{EditUserRequestCreate, EditUserRequestExecute},
     edit_user_group::{EditUserGroupRequestCreate, EditUserGroupRequestExecute},
+    prune_external_canister::PruneExternalCanisterRequestCreate,
+    prune_external_canister::PruneExternalCanisterRequestExecute,
     remove_address_book_entry::{
         RemoveAddressBookEntryRequestCreate, RemoveAddressBookEntryRequestExecute,
     },
@@ -235,6 +238,12 @@ impl RequestFactory {
                     .create(id, requested_by_user, input.clone(), operation.clone())
                     .await
             }
+            RequestOperationInput::PruneExternalCanister(operation) => {
+                let creator = Box::new(PruneExternalCanisterRequestCreate {});
+                creator
+                    .create(id, requested_by_user, input.clone(), operation.clone())
+                    .await
+            }
             RequestOperationInput::EditPermission(operation) => {
                 let creator = Box::new(EditPermissionRequestCreate {});
                 creator
@@ -361,6 +370,12 @@ impl RequestFactory {
                     Arc::clone(&CHANGE_CANISTER_SERVICE),
                 ))
             }
+            RequestOperation::PruneExternalCanister(operation) => {
+                Box::new(PruneExternalCanisterRequestExecute::new(
+                    operation,
+                    Arc::clone(&CHANGE_CANISTER_SERVICE),
+                ))
+            }
             RequestOperation::EditPermission(operation) => {
                 Box::new(EditPermissionRequestExecute::new(
                     request,

core/station/impl/src/factories/requests/prune_external_canister.rs

@@ -0,0 +1,74 @@
+use super::{Create, Execute, RequestExecuteStage};
+use crate::{
+    errors::{RequestError, RequestExecuteError},
+    models::{PruneExternalCanisterOperation, Request, RequestOperation},
+    services::ChangeCanisterService,
+};
+use async_trait::async_trait;
+use orbit_essentials::types::UUID;
+use station_api::{CreateRequestInput, PruneExternalCanisterOperationInput};
+use std::sync::Arc;
+
+pub struct PruneExternalCanisterRequestCreate;
+
+#[async_trait]
+impl Create<PruneExternalCanisterOperationInput> for PruneExternalCanisterRequestCreate {
+    async fn create(
+        &self,
+        request_id: UUID,
+        requested_by_user: UUID,
+        input: CreateRequestInput,
+        operation_input: PruneExternalCanisterOperationInput,
+    ) -> Result<Request, RequestError> {
+        let request = Request::from_request_creation_input(
+            request_id,
+            requested_by_user,
+            input,
+            RequestOperation::PruneExternalCanister(PruneExternalCanisterOperation {
+                input: operation_input.into(),
+            }),
+            "Prune canister".to_string(),
+        );
+
+        Ok(request)
+    }
+}
+
+pub struct PruneExternalCanisterRequestExecute<'o> {
+    operation: &'o PruneExternalCanisterOperation,
+    change_canister_service: Arc<ChangeCanisterService>,
+}
+
+impl<'o> PruneExternalCanisterRequestExecute<'o> {
+    pub fn new(
+        operation: &'o PruneExternalCanisterOperation,
+        change_canister_service: Arc<ChangeCanisterService>,
+    ) -> Self {
+        Self {
+            operation,
+            change_canister_service,
+        }
+    }
+}
+
+#[async_trait]
+impl Execute for PruneExternalCanisterRequestExecute<'_> {
+    async fn execute(&self) -> Result<RequestExecuteStage, RequestExecuteError> {
+        self.change_canister_service
+            .prune_canister(
+                self.operation.input.canister_id,
+                self.operation.input.prune.clone(),
+            )
+            .await
+            .map_err(|err| RequestExecuteError::Failed {
+                reason: format!(
+                    "failed to prune {} on external canister {}: {}",
+                    self.operation.input.canister_id, self.operation.input.prune, err
+                ),
+            })?;
+
+        Ok(RequestExecuteStage::Completed(
+            RequestOperation::PruneExternalCanister(self.operation.clone()),
+        ))
+    }
+}