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tarantool-etcd-rzs iproto-impl: etcd_member_update vs Cluster.MemberUpdate
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| Created by | Eugene Blikh |
| Owner | bigbes@gmail.com |
| Created | 2026-05-19T14:54:23Z |
| Updated | 2026-07-17T14:27:36Z |
Wrap the existing handler cluster.member_update (already invoked by gRPC/JSON via defs.lua route etcdserverpb.Cluster.MemberUpdate) as a Lua global etcd_member_update callable via iproto CALL. Mechanical change in app/etcd/api.lua: add rawset(_G, 'etcd_member_update', wrap('cluster', 'member_update')) under the appropriate service block; append 'etcd_member_update' to the funcs table so box.schema.func.create plus guest grant runs at role apply; document the wrapper in the module-level LDoc comment. If Cluster.MemberUpdate returns UNIMPLEMENTED today, the wrapper still gets added so the iproto caller observes the same UNIMPLEMENTED error gRPC would return. Election.Observe is server-streaming over gRPC; iproto has no stream primitive, so propose a polling shape (observe_create/_pull/_cancel) mirroring the Watch precedent at api.lua:81-83.
etcd_member_update is callable from net.box:call('etcd_member_update', {req}) with no Lua error before handler dispatch. Successful request shape produces same successful response shape as gRPC. box.schema.func.create plus guest grant idempotent on role re-apply.
Epic tarantool-etcd-w8q. Handler at app/etcd/cluster.lua.
No outgoing dependencies.
tarantool-etcd-3c2
— iproto-verify: etcd_member_update vs Cluster.MemberUpdate
blocks
| id | tarantool-etcd-rzs |
| content_hash | 63c2e0e3f3c883b2db5734e851457a1f568e3a1ebb871de515f13411bd7ecbd9 |
| title | iproto-impl: etcd_member_update vs Cluster.MemberUpdate |
| description | Wrap the existing handler cluster.member_update (already invoked by gRPC/JSON via defs.lua route etcdserverpb.Cluster.MemberUpdate) as a Lua global etcd_member_update callable via iproto CALL. Mechanical change in app/etcd/api.lua: add rawset(_G, 'etcd_member_update', wrap('cluster', 'member_update')) under the appropriate service block; append 'etcd_member_update' to the funcs table so box.schema.func.create plus guest grant runs at role apply; document the wrapper in the module-level LDoc comment. If Cluster.MemberUpdate returns UNIMPLEMENTED today, the wrapper still gets added so the iproto caller observes the same UNIMPLEMENTED error gRPC would return. Election.Observe is server-streaming over gRPC; iproto has no stream primitive, so propose a polling shape (observe_create/_pull/_cancel) mirroring the Watch precedent at api.lua:81-83. |
| design | |
| acceptance_criteria | etcd_member_update is callable from net.box:call('etcd_member_update', {req}) with no Lua error before handler dispatch. Successful request shape produces same successful response shape as gRPC. box.schema.func.create plus guest grant idempotent on role re-apply. |
| notes | Epic tarantool-etcd-w8q. Handler at app/etcd/cluster.lua. |
| status | open |
| priority | 3 |
| issue_type | task |
| assignee | NULL |
| estimated_minutes | NULL |
| created_at | 2026-05-19T14:54:23Z |
| created_by | Eugene Blikh |
| owner | bigbes@gmail.com |
| updated_at | 2026-07-17T14:27:36Z |
| closed_at | NULL |
| closed_by_session | |
| external_ref | NULL |
| spec_id | |
| compaction_level | 0 |
| compacted_at | NULL |
| compacted_at_commit | NULL |
| original_size | NULL |
| sender | |
| ephemeral | 0 |
| wisp_type | |
| pinned | 0 |
| is_template | 0 |
| mol_type | |
| work_type | |
| source_system | |
| metadata | <binary> |
| source_repo | |
| close_reason | |
| event_kind | |
| actor | |
| target | |
| payload | |
| await_type | |
| await_id | |
| timeout_ns | 0 |
| waiters | |
| hook_bead | |
| role_bead | |
| agent_state | |
| last_activity | NULL |
| role_type | |
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| due_at | NULL |
| defer_until | NULL |
| no_history | 0 |
| started_at | NULL |
| is_blocked | 0 |
| issue_id | tarantool-etcd-rzs |
| label | milestone:m4-iproto-parity |
| id | 05924214-30e0-5724-930d-fc9578ba40e0 |
| issue_id | tarantool-etcd-3c2 |
| type | blocks |
| created_at | 2026-05-19T17:54:24Z |
| created_by | Eugene Blikh |
| metadata | <binary> |
| thread_id | |
| depends_on_issue_id | tarantool-etcd-rzs |
| depends_on_wisp_id | NULL |
| depends_on_external | NULL |
| id | 79369bef-4995-5a73-9125-f1a673d9c3ba |
| issue_id | tarantool-etcd-rzs |
| event_type | created |
| actor | Eugene Blikh |
| old_value | |
| new_value | |
| comment | NULL |
| created_at | 2026-05-19T17:54:23Z |
| id | ea70ee7c-2c41-5c31-b6be-90692e614fea |
| issue_id | tarantool-etcd-rzs |
| event_type | label_added |
| actor | Eugene Blikh |
| old_value | NULL |
| new_value | NULL |
| comment | Added label: milestone:m4-iproto-parity |
| created_at | 2026-05-21T14:37:20Z |
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