pgpool2: Added a new recipe.

Pgpool-II is a middleware that works between PostgreSQL servers and a PostgreSQL database client. It is distributed under a license similar to BSD and MIT. It provides the  following features.

Signed-off-by: Lei Maohui <leimaohui@fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

5 files changed, 142 insertions, 0 deletions

diff --git a/meta-networking/recipes-support/pgpool2/pgpool2/0001-Fix-build-error-when-build-this-file.patch b/meta-networking/recipes-support/pgpool2/pgpool2/0001-Fix-build-error-when-build-this-file.patch
new file mode 100644
index 000000000..52bcc3b7e
--- /dev/null
+++ b/meta-networking/recipes-support/pgpool2/pgpool2/0001-Fix-build-error-when-build-this-file.patch
@@ -0,0 +1,32 @@
+From f8ab74a76049f69adeebe92c62593547e05a075d Mon Sep 17 00:00:00 2001
+From: Lei Maohui <leimaohui@fujitsu.com>
+Date: Wed, 11 Jan 2023 17:22:41 +0900
+Subject: [PATCH] Fix build error when build this file.
+
+| snprintf.c:770:64: error: 'PG_STRERROR_R_BUFLEN' undeclared (first use in this function)
+|   770 |                                         char            errbuf[PG_STRERROR_R_BUFLEN];
+|       |                                                                ^~~~~~~~~~~~~~~~~~~~
+
+PG_STRERROR_R_BUFLEN is defined in postgresql, but pgpool doesn't
+include the header of postgresql.
+
+Upstream-Status: Inappropriate [OE-Specific]
+Signed-off-by: Lei Maohui <leimaohui@fujitsu.com>
+---
+ src/parser/snprintf.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/src/parser/snprintf.c b/src/parser/snprintf.c
+index 84ebdb2..3387897 100644
+--- a/src/parser/snprintf.c
++++ b/src/parser/snprintf.c
+@@ -46,6 +46,7 @@
+ #include "pool_parser.h"
+ #include "stringinfo.h"
+ #include "utils/palloc.h"
++#include "postgresql/server/port.h"
+
+ /*
+  * We used to use the platform's NL_ARGMAX here, but that's a bad idea,
+--
+2.25.1
diff --git a/meta-networking/recipes-support/pgpool2/pgpool2/0001-pgpool2-Fix-unknown-type-name-fd_set-error-with-musl.patch b/meta-networking/recipes-support/pgpool2/pgpool2/0001-pgpool2-Fix-unknown-type-name-fd_set-error-with-musl.patch
new file mode 100644
index 000000000..26f8afe4d
--- /dev/null
+++ b/meta-networking/recipes-support/pgpool2/pgpool2/0001-pgpool2-Fix-unknown-type-name-fd_set-error-with-musl.patch
@@ -0,0 +1,33 @@
+From 5d335b5ddd052f047759cae0e9b94ec49f9f3884 Mon Sep 17 00:00:00 2001
+From: Lei Maohui <leimaohui@fujitsu.com>
+Date: Mon, 20 Mar 2023 02:03:04 +0000
+Subject: [PATCH] pgpool2: Fix unknown type name 'fd_set' error with musl.
+
+| read.c: In function 'read_until_ready_for_query':
+| read.c:53:24: error: storage size of 'timeoutval' isn't known
+|    53 |         struct timeval timeoutval;
+|       |                        ^~~~~~~~~~
+| read.c:54:9: error: unknown type name 'fd_set'
+|    54 |         fd_set          readmask;
+|       |         ^~~~~~
+
+Upstream-Status: Inappropriate [embedded specific]
+Signed-off-by: Lei Maohui <leimaohui@fujitsu.com>
+---
+ src/tools/pgproto/read.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/src/tools/pgproto/read.c b/src/tools/pgproto/read.c
+index c7fb548..4efe641 100644
+--- a/src/tools/pgproto/read.c
++++ b/src/tools/pgproto/read.c
+@@ -19,6 +19,7 @@
+ #include "../../include/config.h"
+ #include "pgproto/pgproto.h"
+ #include <unistd.h>
++#include <sys/select.h>
+ #include <stdlib.h>
+ #include <stdio.h>
+ #include <string.h>
+--
+2.34.1
diff --git a/meta-networking/recipes-support/pgpool2/pgpool2/pgpool.service b/meta-networking/recipes-support/pgpool2/pgpool2/pgpool.service
new file mode 100644
index 000000000..bf2d32363
--- /dev/null
+++ b/meta-networking/recipes-support/pgpool2/pgpool2/pgpool.service
@@ -0,0 +1,17 @@
+[Unit]
+Description=Pgpool-II
+After=syslog.target network.target
+
+[Service]
+
+User=postgres
+Group=postgres
+
+EnvironmentFile=-/etc/sysconfig/pgpool
+
+ExecStart=/usr/bin/pgpool -f /etc/pgpool-II/pgpool.conf $OPTS
+ExecStop=/usr/bin/pgpool -f /etc/pgpool-II/pgpool.conf $STOP_OPTS stop
+ExecReload=/usr/bin/pgpool -f /etc/pgpool-II/pgpool.conf reload
+
+[Install]
+WantedBy=multi-user.target
diff --git a/meta-networking/recipes-support/pgpool2/pgpool2/pgpool.sysconfig b/meta-networking/recipes-support/pgpool2/pgpool2/pgpool.sysconfig
new file mode 100644
index 000000000..ea13089b7
--- /dev/null
+++ b/meta-networking/recipes-support/pgpool2/pgpool2/pgpool.sysconfig
@@ -0,0 +1,7 @@
+# Options for pgpool
+
+# -n: don't run in daemon mode. does not detach control tty
+# -d: debug mode. lots of debug information will be printed
+
+#OPTS=" -d -n"
+OPTS=" -n"
diff --git a/meta-networking/recipes-support/pgpool2/pgpool2_4.4.1.bb b/meta-networking/recipes-support/pgpool2/pgpool2_4.4.1.bb
new file mode 100644
index 000000000..efb563b81
--- /dev/null
+++ b/meta-networking/recipes-support/pgpool2/pgpool2_4.4.1.bb
@@ -0,0 +1,53 @@
+SUMMARY = "a language independent connection pool server for PostgreSQL."
+
+DESCRIPTION = "Pgpool-II is a middleware that works between PostgreSQL \
+               servers and a PostgreSQL database client. It is distributed \
+               under a license similar to BSD and MIT. It provides the \
+               following features."
+
+HOMEPAGE = "http://pgpool.net"
+
+LICENSE = "BSD-2-Clause"
+LIC_FILES_CHKSUM = "file://COPYING;md5=e4b38de086d73e0521de0bbdbaa4a1a9"
+
+SRC_URI = "http://www.pgpool.net/mediawiki/images/pgpool-II-${PV}.tar.gz \
+           file://0001-Fix-build-error-when-build-this-file.patch \
+           file://0001-pgpool2-Fix-unknown-type-name-fd_set-error-with-musl.patch \
+           file://pgpool.sysconfig \
+           file://pgpool.service \
+           "
+SRC_URI[sha256sum] = "4b379bbba8e178128a1cee4a5bd1ae116dedb3da6121b728c18f0f54c881f328"
+
+S = "${WORKDIR}/pgpool-II-${PV}"
+
+inherit autotools systemd
+
+SYSTEMD_SERVICE:${PN} = "pgpool.service"
+
+PACKAGECONFIG ??= " openssl libmemcached postgresql \
+"
+PACKAGECONFIG[pam] = "--with-pam,,libpam"
+PACKAGECONFIG[openssl] = "--with-openssl,,openssl"
+PACKAGECONFIG[libmemcached] = "--with-memcached=${STAGING_INCDIR}/libmemcachedutil-1.0,,libmemcached"
+PACKAGECONFIG[postgresql] = "--with-pgsql-includedir=${STAGING_INCDIR}/postgresql,, postgresql"
+
+EXTRA_OECONF += "--disable-static \
+                 --disable-rpath \
+                "
+B = "${S}"
+CFLAGS:append = " -fcommon "
+
+FILES:${PN} += "${datadir}/pgpool-II/ "
+
+do_configure:append() {
+    echo "#define HAVE_STRCHRNUL 1" >> ${S}/src/include/config.h
+    sed -i "s,#define USE_REPL_SNPRINTF 1,/* #undef USE_REPL_SNPRINTF*/,g" ${S}/src/include/config.h
+}
+
+do_install:append() {
+    install -d ${D}${sysconfdir}/pgpool-II
+    install -D -m 0644 ${WORKDIR}/pgpool.sysconfig  ${D}${sysconfdir}/pgpool-II/pgpool.conf
+    install -D -m 0644 ${S}/src/sample/pcp.conf.sample ${D}${sysconfdir}/pgpool-II/pcp.conf
+    install -D -m 0644 ${S}/src/sample/pool_hba.conf.sample ${D}${sysconfdir}/pgpool-II/pool_hba.conf
+    install -Dm 0644 ${WORKDIR}/pgpool.service ${D}${systemd_system_unitdir}/pgpool.service
+}