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52 lines
2.2 KiB
Python
52 lines
2.2 KiB
Python
from fixtures.neon_fixtures import NeonEnvBuilder
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from uuid import UUID
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import tarfile
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import os
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def test_import(neon_env_builder,
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port_distributor,
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default_broker,
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mock_s3_server,
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test_output_dir,
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pg_bin):
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"""Move a timeline to a new neon stack using pg_basebackup as interface."""
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node_name = "test_import"
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source_repo_dir = os.path.join(test_output_dir, "source_repo")
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destination_repo_dir = os.path.join(test_output_dir, "destination_repo")
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basebackup_dir = os.path.join(test_output_dir, "basebackup")
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basebackup_tar_path = os.path.join(test_output_dir, "basebackup.tar")
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os.mkdir(basebackup_dir)
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# Create a repo, put some data in, take basebackup, and shut it down
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with NeonEnvBuilder(source_repo_dir, port_distributor, default_broker, mock_s3_server) as builder:
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env = builder.init_start()
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env.neon_cli.create_branch(node_name)
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pg = env.postgres.create_start(node_name)
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pg.safe_psql("create table t as select generate_series(1,300000)")
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assert pg.safe_psql('select count(*) from t') == [(300000, )]
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tenant = pg.safe_psql("show neon.tenant_id")[0][0]
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timeline = pg.safe_psql("show neon.timeline_id")[0][0]
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pg_bin.run(["pg_basebackup", "-d", pg.connstr(), "-D", basebackup_dir])
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# Pack into tar file (uncompressed)
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with tarfile.open(basebackup_tar_path, "w") as tf:
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# TODO match iteration order to what pageserver would do
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tf.add(basebackup_dir)
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# Create a new repo, load the basebackup into it, and check that data is there
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with NeonEnvBuilder(destination_repo_dir, port_distributor, default_broker, mock_s3_server) as builder:
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env = builder.init_start()
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env.neon_cli.create_tenant(UUID(tenant))
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env.neon_cli.raw_cli([
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"timeline",
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"import",
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"--tenant-id", tenant,
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"--timeline-id", timeline,
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"--node-name", node_name,
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"--tarfile", basebackup_tar_path,
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])
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pg = env.postgres.create_start(node_name, tenant_id=UUID(tenant))
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assert pg.safe_psql('select count(*) from t') == [(300000, )]
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