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fix: logs command resolves server names, proper replica handling

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- `mcpctl logs <server-name>` resolves to first RUNNING instance
- `mcpctl logs <server-name> -i <N>` selects specific replica
- Shows "instance N/M" hint when server has multiple replicas
- Added 5 proper tests: server name resolution, RUNNING preference,
  replica selection, out-of-range error, no instances error

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Michal
2026-02-23 00:12:39 +00:00
parent ce032dc724
commit 459a728196
2 changed files with 119 additions and 15 deletions
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69
src/cli/tests/commands/instances.test.ts
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@@ -68,16 +68,79 @@ describe('logs command', () => {
output = [];
});
it('shows logs', async () => {
vi.mocked(client.get).mockResolvedValue({ stdout: 'hello world\n', stderr: '' });
it('shows logs by instance ID', async () => {
vi.mocked(client.get)
.mockResolvedValueOnce({ id: 'inst-1', status: 'RUNNING' } as never) // instance lookup
.mockResolvedValueOnce({ stdout: 'hello world\n', stderr: '' } as never); // logs
const cmd = createLogsCommand({ client, log });
await cmd.parseAsync(['inst-1'], { from: 'user' });
expect(client.get).toHaveBeenCalledWith('/api/v1/instances/inst-1');
expect(client.get).toHaveBeenCalledWith('/api/v1/instances/inst-1/logs');
expect(output.join('\n')).toContain('hello world');
});
it('resolves server name to instance ID', async () => {
vi.mocked(client.get)
.mockRejectedValueOnce(new Error('not found')) // instance lookup fails
.mockResolvedValueOnce([{ id: 'srv-1', name: 'my-grafana' }] as never) // servers list
.mockResolvedValueOnce([{ id: 'inst-1', status: 'RUNNING', containerId: 'abc' }] as never) // instances for server
.mockResolvedValueOnce({ stdout: 'grafana logs\n', stderr: '' } as never); // logs
const cmd = createLogsCommand({ client, log });
await cmd.parseAsync(['my-grafana'], { from: 'user' });
expect(client.get).toHaveBeenCalledWith('/api/v1/instances/inst-1/logs');
expect(output.join('\n')).toContain('grafana logs');
});
it('picks RUNNING instance over others', async () => {
vi.mocked(client.get)
.mockRejectedValueOnce(new Error('not found'))
.mockResolvedValueOnce([{ id: 'srv-1', name: 'ha-mcp' }] as never)
.mockResolvedValueOnce([
{ id: 'inst-err', status: 'ERROR', containerId: null },
{ id: 'inst-ok', status: 'RUNNING', containerId: 'abc' },
] as never)
.mockResolvedValueOnce({ stdout: 'running instance\n', stderr: '' } as never);
const cmd = createLogsCommand({ client, log });
await cmd.parseAsync(['ha-mcp'], { from: 'user' });
expect(client.get).toHaveBeenCalledWith('/api/v1/instances/inst-ok/logs');
});
it('selects specific replica with --instance', async () => {
vi.mocked(client.get)
.mockRejectedValueOnce(new Error('not found'))
.mockResolvedValueOnce([{ id: 'srv-1', name: 'ha-mcp' }] as never)
.mockResolvedValueOnce([
{ id: 'inst-0', status: 'RUNNING', containerId: 'a' },
{ id: 'inst-1', status: 'RUNNING', containerId: 'b' },
] as never)
.mockResolvedValueOnce({ stdout: 'replica 1\n', stderr: '' } as never);
const cmd = createLogsCommand({ client, log });
await cmd.parseAsync(['ha-mcp', '-i', '1'], { from: 'user' });
expect(client.get).toHaveBeenCalledWith('/api/v1/instances/inst-1/logs');
});
it('throws on out-of-range --instance index', async () => {
vi.mocked(client.get)
.mockRejectedValueOnce(new Error('not found'))
.mockResolvedValueOnce([{ id: 'srv-1', name: 'ha-mcp' }] as never)
.mockResolvedValueOnce([{ id: 'inst-0', status: 'RUNNING' }] as never);
const cmd = createLogsCommand({ client, log });
await expect(cmd.parseAsync(['ha-mcp', '-i', '5'], { from: 'user' })).rejects.toThrow('out of range');
});
it('throws when server has no instances', async () => {
vi.mocked(client.get)
.mockRejectedValueOnce(new Error('not found'))
.mockResolvedValueOnce([{ id: 'srv-1', name: 'empty-srv' }] as never)
.mockResolvedValueOnce([] as never);
const cmd = createLogsCommand({ client, log });
await expect(cmd.parseAsync(['empty-srv'], { from: 'user' })).rejects.toThrow('No instances found');
});
it('passes tail option', async () => {
vi.mocked(client.get).mockResolvedValue({ stdout: '', stderr: '' });
vi.mocked(client.get)
.mockResolvedValueOnce({ id: 'inst-1' } as never)
.mockResolvedValueOnce({ stdout: '', stderr: '' } as never);
const cmd = createLogsCommand({ client, log });
await cmd.parseAsync(['inst-1', '-t', '50'], { from: 'user' });
expect(client.get).toHaveBeenCalledWith('/api/v1/instances/inst-1/logs?tail=50');