207 lines
6.8 KiB
Plaintext
207 lines
6.8 KiB
Plaintext
# Run a V2 membership change that adds a single voter but explicitly asks for the
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# use of joint consensus, including wanting to transition out of the joint config
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# manually.
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# Bootstrap n1.
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add-nodes 1 voters=(1) index=2
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----
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INFO 1 switched to configuration voters=(1)
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INFO 1 became follower at term 0
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INFO newRaft 1 [peers: [1], term: 0, commit: 2, applied: 2, lastindex: 2, lastterm: 1]
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campaign 1
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----
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INFO 1 is starting a new election at term 0
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INFO 1 became candidate at term 1
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INFO 1 received MsgVoteResp from 1 at term 1
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INFO 1 became leader at term 1
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# Add v2 with an explicit transition.
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propose-conf-change 1 transition=explicit
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v2
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----
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ok
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# Pull n2 out of thin air.
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add-nodes 1
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----
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INFO 2 switched to configuration voters=()
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INFO 2 became follower at term 0
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INFO newRaft 2 [peers: [], term: 0, commit: 0, applied: 0, lastindex: 0, lastterm: 0]
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# n1 commits the conf change using itself as commit quorum, then starts catching up n2.
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# Everyone remains in the joint config. Note that the snapshot below has AutoLeave unset.
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stabilize 1 2
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----
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> 1 handling Ready
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Ready MustSync=true:
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Lead:1 State:StateLeader
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HardState Term:1 Vote:1 Commit:4
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Entries:
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1/3 EntryNormal ""
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1/4 EntryConfChangeV2 v2
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CommittedEntries:
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1/3 EntryNormal ""
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1/4 EntryConfChangeV2 v2
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INFO 1 switched to configuration voters=(1 2)&&(1)
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> 1 handling Ready
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Ready MustSync=false:
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Messages:
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1->2 MsgApp Term:1 Log:1/3 Commit:4 Entries:[1/4 EntryConfChangeV2 v2]
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> 2 receiving messages
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1->2 MsgApp Term:1 Log:1/3 Commit:4 Entries:[1/4 EntryConfChangeV2 v2]
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INFO 2 [term: 0] received a MsgApp message with higher term from 1 [term: 1]
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INFO 2 became follower at term 1
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DEBUG 2 [logterm: 0, index: 3] rejected MsgApp [logterm: 1, index: 3] from 1
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> 2 handling Ready
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Ready MustSync=true:
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Lead:1 State:StateFollower
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HardState Term:1 Commit:0
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Messages:
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2->1 MsgAppResp Term:1 Log:0/3 Rejected (Hint: 0)
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> 1 receiving messages
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2->1 MsgAppResp Term:1 Log:0/3 Rejected (Hint: 0)
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DEBUG 1 received MsgAppResp(MsgApp was rejected, lastindex: 0) from 2 for index 3
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DEBUG 1 decreased progress of 2 to [StateProbe match=0 next=1]
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DEBUG 1 [firstindex: 3, commit: 4] sent snapshot[index: 4, term: 1] to 2 [StateProbe match=0 next=1]
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DEBUG 1 paused sending replication messages to 2 [StateSnapshot match=0 next=1 paused pendingSnap=4]
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> 1 handling Ready
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Ready MustSync=false:
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Messages:
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1->2 MsgSnap Term:1 Log:0/0 Snapshot: Index:4 Term:1 ConfState:Voters:[1 2] VotersOutgoing:[1] Learners:[] LearnersNext:[] AutoLeave:false
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> 2 receiving messages
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1->2 MsgSnap Term:1 Log:0/0 Snapshot: Index:4 Term:1 ConfState:Voters:[1 2] VotersOutgoing:[1] Learners:[] LearnersNext:[] AutoLeave:false
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INFO log [committed=0, applied=0, unstable.offset=1, len(unstable.Entries)=0] starts to restore snapshot [index: 4, term: 1]
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INFO 2 switched to configuration voters=(1 2)&&(1)
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INFO 2 [commit: 4, lastindex: 4, lastterm: 1] restored snapshot [index: 4, term: 1]
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INFO 2 [commit: 4] restored snapshot [index: 4, term: 1]
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> 2 handling Ready
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Ready MustSync=false:
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HardState Term:1 Commit:4
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Snapshot Index:4 Term:1 ConfState:Voters:[1 2] VotersOutgoing:[1] Learners:[] LearnersNext:[] AutoLeave:false
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Messages:
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2->1 MsgAppResp Term:1 Log:0/4
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> 1 receiving messages
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2->1 MsgAppResp Term:1 Log:0/4
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DEBUG 1 recovered from needing snapshot, resumed sending replication messages to 2 [StateSnapshot match=4 next=5 paused pendingSnap=4]
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> 1 handling Ready
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Ready MustSync=false:
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Messages:
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1->2 MsgApp Term:1 Log:1/4 Commit:4
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> 2 receiving messages
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1->2 MsgApp Term:1 Log:1/4 Commit:4
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> 2 handling Ready
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Ready MustSync=false:
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Messages:
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2->1 MsgAppResp Term:1 Log:0/4
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> 1 receiving messages
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2->1 MsgAppResp Term:1 Log:0/4
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# Check that we're not allowed to change membership again while in the joint state.
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# This leads to an empty entry being proposed instead (index 5 in the stabilize block
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# below).
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propose-conf-change 1
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v3 v4 v5
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----
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INFO 1 ignoring conf change {ConfChangeTransitionAuto [{ConfChangeAddNode 3 []} {ConfChangeAddNode 4 []} {ConfChangeAddNode 5 []}] [] []} at config voters=(1 2)&&(1): must transition out of joint config first
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# Propose a transition out of the joint config. We'll see this at index 6 below.
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propose-conf-change 1
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----
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ok
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# The group commits the command and everyone switches to the final config.
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stabilize
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----
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> 1 handling Ready
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Ready MustSync=true:
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Entries:
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1/5 EntryNormal ""
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1/6 EntryConfChangeV2
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Messages:
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1->2 MsgApp Term:1 Log:1/4 Commit:4 Entries:[1/5 EntryNormal ""]
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1->2 MsgApp Term:1 Log:1/5 Commit:4 Entries:[1/6 EntryConfChangeV2]
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> 2 receiving messages
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1->2 MsgApp Term:1 Log:1/4 Commit:4 Entries:[1/5 EntryNormal ""]
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1->2 MsgApp Term:1 Log:1/5 Commit:4 Entries:[1/6 EntryConfChangeV2]
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> 2 handling Ready
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Ready MustSync=true:
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Entries:
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1/5 EntryNormal ""
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1/6 EntryConfChangeV2
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Messages:
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2->1 MsgAppResp Term:1 Log:0/5
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2->1 MsgAppResp Term:1 Log:0/6
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> 1 receiving messages
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2->1 MsgAppResp Term:1 Log:0/5
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2->1 MsgAppResp Term:1 Log:0/6
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> 1 handling Ready
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Ready MustSync=false:
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HardState Term:1 Vote:1 Commit:6
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CommittedEntries:
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1/5 EntryNormal ""
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1/6 EntryConfChangeV2
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Messages:
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1->2 MsgApp Term:1 Log:1/6 Commit:5
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1->2 MsgApp Term:1 Log:1/6 Commit:6
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INFO 1 switched to configuration voters=(1 2)
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> 2 receiving messages
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1->2 MsgApp Term:1 Log:1/6 Commit:5
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1->2 MsgApp Term:1 Log:1/6 Commit:6
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> 2 handling Ready
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Ready MustSync=false:
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HardState Term:1 Commit:6
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CommittedEntries:
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1/5 EntryNormal ""
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1/6 EntryConfChangeV2
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Messages:
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2->1 MsgAppResp Term:1 Log:0/6
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2->1 MsgAppResp Term:1 Log:0/6
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INFO 2 switched to configuration voters=(1 2)
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> 1 receiving messages
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2->1 MsgAppResp Term:1 Log:0/6
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2->1 MsgAppResp Term:1 Log:0/6
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# Check that trying to transition out again won't do anything.
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propose-conf-change 1
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----
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INFO 1 ignoring conf change {ConfChangeTransitionAuto [] [] []} at config voters=(1 2): not in joint state; refusing empty conf change
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# Finishes work for the empty entry we just proposed.
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stabilize
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----
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> 1 handling Ready
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Ready MustSync=true:
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Entries:
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1/7 EntryNormal ""
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Messages:
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1->2 MsgApp Term:1 Log:1/6 Commit:6 Entries:[1/7 EntryNormal ""]
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> 2 receiving messages
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1->2 MsgApp Term:1 Log:1/6 Commit:6 Entries:[1/7 EntryNormal ""]
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> 2 handling Ready
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Ready MustSync=true:
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Entries:
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1/7 EntryNormal ""
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Messages:
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2->1 MsgAppResp Term:1 Log:0/7
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> 1 receiving messages
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2->1 MsgAppResp Term:1 Log:0/7
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> 1 handling Ready
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Ready MustSync=false:
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HardState Term:1 Vote:1 Commit:7
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CommittedEntries:
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1/7 EntryNormal ""
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Messages:
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1->2 MsgApp Term:1 Log:1/7 Commit:7
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> 2 receiving messages
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1->2 MsgApp Term:1 Log:1/7 Commit:7
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> 2 handling Ready
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Ready MustSync=false:
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HardState Term:1 Commit:7
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CommittedEntries:
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1/7 EntryNormal ""
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Messages:
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2->1 MsgAppResp Term:1 Log:0/7
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> 1 receiving messages
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2->1 MsgAppResp Term:1 Log:0/7
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