Import nouveau (#4291)

Nouveau - a new (experimental) full-text indexing feature for Apache CouchDB, using Lucene 9. Requires Java 11 or higher (19 is preferred).

.gitignore

@@ -18,7 +18,7 @@
 .rebar/
 .eunit/
 cover/
-core
+/core
 debian/
 log
 apache-couchdb-*/
@@ -133,3 +133,5 @@ test/javascript/junit.xml
 
 .idea
 *.lock
+
+.tool-versions

Makefile

@@ -100,7 +100,7 @@ TEST_OPTS="-c 'startup_jitter=0' -c 'default_security=admin_local'"
 
 .PHONY: all
 # target: all - Build everything
-all: couch fauxton docs escriptize
+all: couch fauxton docs escriptize nouveau
 
 
 .PHONY: help
@@ -152,10 +152,12 @@ escriptize: couch
 .PHONY: check
 # target: check - Test everything
 check: all
+	@$(MAKE) exunit
 	@$(MAKE) eunit
 	@$(MAKE) mango-test
 	@$(MAKE) elixir-suite
 	@$(MAKE) weatherreport-test
+	@$(MAKE) nouveau-test
 
 ifdef apps
 subdirs = $(apps)
@@ -425,6 +427,12 @@ else
 endif
 endif
 
+ifeq ($(with_nouveau), 1)
+	@mkdir -p rel/couchdb/nouveau/
+	@cp nouveau/target/server-*-dist.jar rel/couchdb/nouveau/
+	@cp nouveau/nouveau.yaml rel/couchdb/nouveau/
+endif
+
 	@echo "... done"
 	@echo
 	@echo "    You can now copy the rel/couchdb directory anywhere on your system."
@@ -465,6 +473,9 @@ clean:
 	@rm -f src/couch/priv/couch_js/config.h
 	@rm -f dev/*.beam dev/devnode.* dev/pbkdf2.pyc log/crash.log
 	@rm -f dev/erlserver.pem dev/couch_ssl_dist.conf
+ifeq ($(with_nouveau), 1)
+	@cd nouveau && mvn clean
+endif
 
 
 .PHONY: distclean
@@ -525,3 +536,33 @@ derived:
 	@echo "ON_TAG:                 $(ON_TAG)"
 	@echo "REL_TAG:                $(REL_TAG)"
 	@echo "SUB_VSN:                $(SUB_VSN)"
+
+################################################################################
+# Nouveau
+################################################################################
+
+.PHONY: nouveau
+# Build nouveau
+nouveau:
+ifeq ($(with_nouveau), 1)
+	@cd nouveau && mvn -D maven.test.skip=true
+endif
+
+.PHONY: nouveau-test
+nouveau-test: nouveau-test-maven nouveau-test-elixir
+
+.PHONY: nouveau-test-maven
+nouveau-test-maven: couch nouveau
+ifeq ($(with_nouveau), 1)
+	@cd nouveau && mvn test -P allTests
+endif
+
+.PHONY: nouveau-test-elixir
+nouveau-test-elixir: export MIX_ENV=integration
+nouveau-test-elixir: elixir-init devclean
+nouveau-test-elixir: couch nouveau
+ifeq ($(with_nouveau), 1)
+	@dev/run -n 1 -q -a adm:pass --with-nouveau \
+		--locald-config test/config/test-config.ini \
+		--no-eval 'mix test --trace --include test/elixir/test/config/nouveau.elixir'
+endif

configure

@@ -27,6 +27,7 @@ REBAR3_BRANCH="main"
 WITH_PROPER="true"
 WITH_FAUXTON=1
 WITH_DOCS=1
+WITH_NOUVEAU=0
 ERLANG_MD5="false"
 SKIP_DEPS=0
 
@@ -56,6 +57,7 @@ Options:
   -u | --user USER            set the username to run as (defaults to $COUCHDB_USER)
   --disable-fauxton           do not build Fauxton
   --disable-docs              do not build any documentation or manpages
+  --enable-nouveau            enable the new experimental search module
   --erlang-md5                use erlang for md5 hash operations
   --dev                       alias for --disable-docs --disable-fauxton
   --spidermonkey-version VSN  specify the version of SpiderMonkey to use (defaults to $SM_VSN)
@@ -112,6 +114,12 @@ parse_opts() {
                 continue
                 ;;
 
+            --enable-nouveau)
+                WITH_NOUVEAU=1
+                shift
+                continue
+                ;;
+
             --erlang-md5)
                 ERLANG_MD5="true"
                 shift
@@ -121,6 +129,7 @@ parse_opts() {
             --dev)
                 WITH_DOCS=0
                 WITH_FAUXTON=0
+                WITH_NOUVEAU=1
                 shift
                 continue
                 ;;
@@ -302,6 +311,7 @@ package_author_name = $PACKAGE_AUTHOR_NAME
 
 with_fauxton = $WITH_FAUXTON
 with_docs = $WITH_DOCS
+with_nouveau = $WITH_NOUVEAU
 
 user = $COUCHDB_USER
 spidermonkey_version = $SM_VSN

dev/run

@@ -24,6 +24,7 @@ import optparse
 import os
 import posixpath
 import re
+import signal
 import socket
 import subprocess as sp
 import sys
@@ -226,6 +227,13 @@ def get_args_parser():
         default=[],
         help="Path to config to place in 'local.d'. Can be repeated",
     )
+    parser.add_option(
+        "--with-nouveau",
+        dest="with_nouveau",
+        default=False,
+        action="store_true",
+        help="Start Nouveau server",
+    )
     return parser
 
 
@@ -255,6 +263,7 @@ def setup_context(opts, args):
         "procs": [],
         "auto_ports": opts.auto_ports,
         "locald_configs": opts.locald_configs,
+        "with_nouveau": opts.with_nouveau,
     }
 
 
@@ -304,9 +313,11 @@ def setup_configs(ctx):
             ),
             "node_name": "-name %s@127.0.0.1" % node,
             "cluster_port": cluster_port,
+            "clouseau_name": "clouseau%d@127.0.0.1" % (idx + 1),
             "backend_port": backend_port,
             "prometheus_port": prometheus_port,
             "uuid": "fake_uuid_for_dev",
+            "with_nouveau": str(ctx["with_nouveau"]).lower(),
             "_default": "",
         }
         write_config(ctx, node, env)
@@ -451,6 +462,32 @@ def boot_haproxy(ctx):
     )
 
 
+def boot_nouveau(ctx):
+    if not ctx["with_nouveau"]:
+        return
+
+    version = "1.0-SNAPSHOT"
+    cmd = [
+        "java",
+        "-server",
+        "-jar",
+        "target/server-%s-dist.jar" % version,
+        "server",
+        "nouveau.yaml",
+    ]
+
+    logfname = os.path.join(ctx["devdir"], "logs", "nouveau.log")
+    log = open(logfname, "w")
+    return sp.Popen(
+        " ".join(cmd),
+        cwd="nouveau",
+        shell=True,
+        stdin=sp.PIPE,
+        stdout=log,
+        stderr=sp.STDOUT,
+    )
+
+
 def hack_default_ini(ctx, node, contents):
     contents = re.sub(
         "^\[httpd\]$",
@@ -509,6 +546,11 @@ def hashify(pwd, salt=COMMON_SALT, iterations=10, keylen=20):
 
 
 def startup(ctx):
+    def handler(signalno, frame):
+        kill_processes(ctx)
+        sys.exit()
+
+    signal.signal(signal.SIGTERM, handler)
     atexit.register(kill_processes, ctx)
     boot_nodes(ctx)
     ensure_all_nodes_alive(ctx)
@@ -525,7 +567,8 @@ def startup(ctx):
 def kill_processes(ctx):
     for proc in ctx["procs"]:
         if proc and proc.returncode is None:
-            proc.kill()
+            proc.terminate()
+    ctx["procs"] = []
 
 
 def degrade_cluster(ctx):
@@ -551,6 +594,9 @@ def boot_nodes(ctx):
     haproxy_proc = boot_haproxy(ctx)
     if haproxy_proc is not None:
         ctx["procs"].append(haproxy_proc)
+    nouveau_proc = boot_nouveau(ctx)
+    if nouveau_proc is not None:
+        ctx["procs"].append(nouveau_proc)
 
 
 def ensure_all_nodes_alive(ctx):

nouveau/.gitignore

@@ -0,0 +1,7 @@
+*~
+.classpath
+.project
+.settings/
+target/
+.vscode/
+dependency-reduced-pom.xml