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Tar Remote Extensions (#4715)

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Add infrastructure to dynamically load postgres extensions and shared libraries from remote extension storage.

Before postgres start downloads list of available remote extensions and libraries, and also downloads 'shared_preload_libraries'. After postgres is running, 'compute_ctl' listens for HTTP requests to load files.

Postgres has new GUC 'extension_server_port' to specify port on which 'compute_ctl' listens for requests.

When PostgreSQL requests a file, 'compute_ctl' downloads it.

See more details about feature design and remote extension storage layout in docs/rfcs/024-extension-loading.md

---------

Co-authored-by: Anastasia Lubennikova <anastasia@neon.tech>
Co-authored-by: Alek Westover <alek.westover@gmail.com>
This commit is contained in:
Alek Westover
2023-08-02 05:38:12 -04:00
committed by GitHub
parent 04776ade6c
commit d005c77ea3
35 changed files with 1545 additions and 50 deletions
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12
scripts/combine_control_files.py
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@@ -15,16 +15,12 @@ from pathlib import Path
],
"library_index": {
"anon": "anon",
"kq_imcx": "kq_imcx"
// would be more complicated for something like postgis where multiple library names all map to postgis
// for more complex extensions like postgis
// we might have something like:
// address_standardizer: postgis
// postgis_tiger: postgis
},
"extension_data": {
"kq_imcx": {
"control_data": {
"kq_imcx.control": "# This file is generated content from add_postgresql_extension.\n# No point in modifying it, it will be overwritten anyway.\n\n# Default version, always set\ndefault_version = '0.1'\n\n# Module pathname generated from target shared library name. Use\n# MODULE_PATHNAME in script file.\nmodule_pathname = '$libdir/kq_imcx.so'\n\n# Comment for extension. Set using COMMENT option. Can be set in\n# script file as well.\ncomment = 'ketteQ In-Memory Calendar Extension (IMCX)'\n\n# Encoding for script file. Set using ENCODING option.\n#encoding = ''\n\n# Required extensions. Set using REQUIRES option (multi-valued).\n#requires = ''\ntrusted = true\n"
},
"archive_path": "5648391853/v15/extensions/kq_imcx.tar.zst"
},
"anon": {
"control_data": {
"anon.control": "# PostgreSQL Anonymizer (anon) extension \ncomment = 'Data anonymization tools' \ndefault_version = '1.1.0' \ndirectory='extension/anon' \nrelocatable = false \nrequires = 'pgcrypto' \nsuperuser = false \nmodule_pathname = '$libdir/anon' \ntrusted = true \n"