adding mod_systemd to integrate with systemd better
This commit is contained in:
Jan Kaluza
parent
7d53cc989e
commit
a0a00e754a
2
00-systemd.conf
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2
00-systemd.conf
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@ -0,0 +1,2 @@
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# This file configures systemd module:
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LoadModule systemd_module modules/mod_systemd.so
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175
httpd-2.4.3-mod_systemd.patch
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175
httpd-2.4.3-mod_systemd.patch
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@ -0,0 +1,175 @@
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diff --git a/modules/arch/unix/mod_systemd.c b/modules/arch/unix/mod_systemd.c
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new file mode 100644
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index 0000000..40dca79
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--- /dev/null
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+++ b/modules/arch/unix/mod_systemd.c
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@@ -0,0 +1,145 @@
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+/* Licensed to the Apache Software Foundation (ASF) under one or more
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+ * contributor license agreements. See the NOTICE file distributed with
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+ * this work for additional information regarding copyright ownership.
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+ * The ASF licenses this file to You under the Apache License, Version 2.0
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+ * (the "License"); you may not use this file except in compliance with
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+ * the License. You may obtain a copy of the License at
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+ *
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+ * http://www.apache.org/licenses/LICENSE-2.0
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+ *
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+ * Unless required by applicable law or agreed to in writing, software
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+ * distributed under the License is distributed on an "AS IS" BASIS,
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+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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+ * See the License for the specific language governing permissions and
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+ * limitations under the License.
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+ *
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+ */
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+
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+#include <stdint.h>
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+#include <ap_config.h>
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+#include "ap_mpm.h"
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+#include <http_core.h>
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+#include <http_log.h>
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+#include <apr_version.h>
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+#include <apr_pools.h>
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+#include <apr_strings.h>
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+#include "unixd.h"
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+#include "scoreboard.h"
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+#include "mpm_common.h"
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+
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+#include "systemd/sd-daemon.h"
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+
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+#if APR_HAVE_UNISTD_H
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+#include <unistd.h>
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+#endif
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+
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+#define KBYTE 1024
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+
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+static pid_t pid; /* PID of the main httpd instance */
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+static int server_limit, thread_limit, threads_per_child, max_servers;
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+static time_t last_update_time;
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+static unsigned long last_update_access;
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+static unsigned long last_update_kbytes;
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+
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+static int systemd_post_config(apr_pool_t *p, apr_pool_t *plog,
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+ apr_pool_t *ptemp, server_rec *s)
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+{
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+ int rv;
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+ last_update_time = time(0);
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+
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+ ap_mpm_query(AP_MPMQ_HARD_LIMIT_THREADS, &thread_limit);
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+ ap_mpm_query(AP_MPMQ_HARD_LIMIT_DAEMONS, &server_limit);
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+ ap_mpm_query(AP_MPMQ_MAX_THREADS, &threads_per_child);
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+ /* work around buggy MPMs */
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+ if (threads_per_child == 0)
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+ threads_per_child = 1;
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+ ap_mpm_query(AP_MPMQ_MAX_DAEMONS, &max_servers);
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+
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+ /* For every MPM, there is already the main process ready in
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+ * AP_SQ_MS_CREATE_CONFIG state. */
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+ if (pid == 0 && ap_state_query(AP_SQ_MAIN_STATE) == AP_SQ_MS_CREATE_CONFIG)
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+ {
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+ pid = getpid();
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+
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+ rv = sd_notifyf(0, "READY=1\n"
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+ "STATUS=Processing requests...\n"
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+ "MAINPID=%lu",
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+ (unsigned long) pid);
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+ if (rv < 0)
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+ {
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+ ap_log_error(APLOG_MARK, APLOG_ERR, 0, s, APLOGNO(00000)
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+ "sd_notifyf returned an error %d", rv);
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+ }
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+ }
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+ return OK;
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+}
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+
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+static int systemd_monitor(apr_pool_t *p, server_rec *s) {
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+ int i, j, res, rv;
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+ process_score *ps_record;
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+ worker_score *ws_record;
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+ unsigned long access = 0;
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+ unsigned long bytes = 0;
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+ unsigned long kbytes = 0;
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+
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+ time_t now = time(0);
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+ time_t elapsed = now - last_update_time;
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+
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+ for (i = 0; i < server_limit; ++i) {
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+ ps_record = ap_get_scoreboard_process(i);
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+ for (j = 0; j < thread_limit; ++j) {
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+ ws_record = ap_get_scoreboard_worker_from_indexes(i, j);
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+ if (ap_extended_status && !ps_record->quiescing && ps_record->pid) {
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+ res = ws_record->status;
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+ if (ws_record->access_count != 0 ||
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+ (res != SERVER_READY && res != SERVER_DEAD)) {
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+ access += ws_record->access_count;
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+ bytes += ws_record->bytes_served;
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+ if (bytes >= KBYTE) {
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+ kbytes += (bytes >> 10);
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+ bytes = bytes & 0x3ff;
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+ }
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+ }
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+ }
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+ }
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+ }
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+
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+ char bps[5];
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+ apr_strfsize((unsigned long)(KBYTE *(float) (kbytes - last_update_kbytes)
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+ / (float) elapsed), bps);
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+
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+ rv = sd_notifyf(0, "READY=1\n"
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+ "STATUS=Total requests: %lu; Current requests/sec: %.3g; "
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+ "Current traffic: %sB/sec\n", access,
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+ ((float)access - last_update_access) / (float) elapsed, bps);
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+ if (rv < 0)
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+ {
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+ ap_log_error(APLOG_MARK, APLOG_ERR, 0, s, APLOGNO(00000)
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+ "sd_notifyf returned an error %d", rv);
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+ }
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+
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+ last_update_access = access;
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+ last_update_kbytes = kbytes;
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+ last_update_time = now;
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+
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+ return DECLINED;
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+}
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+
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+static void systemd_register_hooks(apr_pool_t *p)
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+{
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+ /* We know the PID in this hook ... */
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+ ap_hook_post_config(systemd_post_config, NULL, NULL, APR_HOOK_LAST);
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+ /* Used to update httpd's status line using sd_notifyf */
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+ ap_hook_monitor(systemd_monitor, NULL, NULL, APR_HOOK_MIDDLE);
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+}
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+
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+module AP_MODULE_DECLARE_DATA systemd_module =
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+{
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+ STANDARD20_MODULE_STUFF,
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+ NULL,
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+ NULL,
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+ NULL,
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+ NULL,
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+ NULL,
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+ systemd_register_hooks,
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+};
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diff --git a/modules/arch/unix/config5.m4 b/modules/arch/unix/config5.m4
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index 77027a8..4fd9799 100644
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--- a/modules/arch/unix/config5.m4
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+++ b/modules/arch/unix/config5.m4
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@@ -18,6 +18,19 @@ APACHE_MODULE(privileges, Per-virtualhost Unix UserIDs and enhanced security for
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fi
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])
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+
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+APACHE_MODULE(systemd, Systemd support, , , $unixd_mods_enabled, [
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+ AC_CHECK_LIB(systemd-daemon, sd_notify, SYSTEMD_LIBS="-lsystemd-daemon")
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+ AC_CHECK_HEADERS(systemd/sd-daemon.h, [ap_HAVE_SD_DAEMON_H="yes"], [ap_HAVE_SD_DAEMON_H="no"])
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+ if test $ap_HAVE_SD_DAEMON_H = "no" || test -z "${LUA_LIBS}"; then
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+ AC_MSG_WARN([Your system does not support systemd.])
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+ enable_systemd="no"
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+ else
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+ APR_ADDTO(MOD_SYSTEMD_LDADD, [$SYSTEMD_LIBS])
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+ enable_systemd="yes"
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+ fi
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+])
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+
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APR_ADDTO(INCLUDES, [-I\$(top_srcdir)/$modpath_current])
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APACHE_MODPATH_FINISH
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@ -3,10 +3,9 @@ Description=The Apache HTTP Server
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After=network.target remote-fs.target nss-lookup.target
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[Service]
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Type=forking
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PIDFile=/run/httpd/httpd.pid
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Type=notify
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EnvironmentFile=/etc/sysconfig/httpd
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ExecStart=/usr/sbin/httpd $OPTIONS
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ExecStart=/usr/sbin/httpd $OPTIONS -DFOREGROUND
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ExecReload=/usr/sbin/httpd $OPTIONS -k graceful
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ExecStop=/usr/sbin/httpd $OPTIONS -k graceful-stop
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PrivateTmp=true
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11
httpd.spec
11
httpd.spec
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Summary: Apache HTTP Server
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Name: httpd
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Version: 2.4.3
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Release: 2%{?dist}
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Release: 3%{?dist}
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URL: http://httpd.apache.org/
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Source0: http://www.apache.org/dist/httpd/httpd-%{version}.tar.bz2
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Source1: index.html
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@ -33,6 +33,7 @@ Source20: userdir.conf
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Source21: ssl.conf
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Source22: welcome.conf
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Source23: manual.conf
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Source24: 00-systemd.conf
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# Documentation
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Source30: README.confd
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# build/scripts patches
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@ -48,6 +49,7 @@ Patch25: httpd-2.4.1-selinux.patch
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Patch26: httpd-2.4.2-r1337344+.patch
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Patch27: httpd-2.4.2-icons.patch
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Patch28: httpd-2.4.2-r1332643+.patch
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Patch29: httpd-2.4.3-mod_systemd.patch
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# Bug fixes
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Patch50: httpd-2.4.2-r1374214+.patch
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License: ASL 2.0
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@ -56,6 +58,7 @@ BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root
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BuildRequires: autoconf, perl, pkgconfig, findutils, xmlto
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BuildRequires: zlib-devel, libselinux-devel, lua-devel
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BuildRequires: apr-devel >= 1.4.0, apr-util-devel >= 1.2.0, pcre-devel >= 5.0
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BuildRequires: systemd-devel
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Requires: /etc/mime.types, system-logos >= 7.92.1-1
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Obsoletes: httpd-suexec
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Provides: webserver
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@ -157,6 +160,7 @@ authentication to the Apache HTTP Server.
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%patch26 -p1 -b .r1337344+
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%patch27 -p1 -b .icons
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%patch28 -p1 -b .r1332643+
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%patch29 -p1 -b .systemd
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%patch50 -p1 -b .r1374214+
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@ -249,7 +253,7 @@ install -m 644 $RPM_SOURCE_DIR/README.confd \
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$RPM_BUILD_ROOT%{_sysconfdir}/httpd/conf.d/README
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for f in 00-base.conf 00-mpm.conf 00-lua.conf 01-cgi.conf 00-dav.conf \
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00-proxy.conf 00-ssl.conf 01-ldap.conf 00-proxyhtml.conf \
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01-ldap.conf; do
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01-ldap.conf 00-systemd.conf; do
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install -m 644 -p $RPM_SOURCE_DIR/$f \
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$RPM_BUILD_ROOT%{_sysconfdir}/httpd/conf.modules.d/$f
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done
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@ -574,6 +578,9 @@ rm -rf $RPM_BUILD_ROOT
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%{_sysconfdir}/rpm/macros.httpd
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%changelog
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* Fri Sep 07 2012 Jan Kaluza <jkaluza@redhat.com> - 2.4.3-3
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- adding mod_systemd to integrate with systemd better
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* Tue Aug 21 2012 Joe Orton <jorton@redhat.com> - 2.4.3-2
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- mod_ssl: add check for proxy keypair match (upstream r1374214)
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