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[libvirt] [PATCH v4 2/5] Network: Add regression tests for the command-line arguments



The regression testing done by comparison of command-line
generated from the network XML file and the expected
command-line arguments (read from file).

For the tests the pidfile should be set to NULL string, i.e.
(null) since no real invocation of the command is being done,
just the command-line is being generated and compared to the
expected one.

Signed-off-by: Michal Novotny <minovotn redhat com>
---
 src/Makefile.am                                    |   11 ++-
 src/libvirt_network.syms                           |    6 +
 src/network/bridge_driver.c                        |   36 ++++++--
 src/network/bridge_driver.h                        |    3 +
 tests/Makefile.am                                  |   10 ++
 tests/networkxml2argvdata/isolated-network.argv    |    1 +
 tests/networkxml2argvdata/isolated-network.xml     |   11 ++
 .../nat-network-dns-txt-record.argv                |    1 +
 .../nat-network-dns-txt-record.xml                 |   24 +++++
 tests/networkxml2argvdata/nat-network.argv         |    1 +
 tests/networkxml2argvdata/nat-network.xml          |   21 ++++
 tests/networkxml2argvdata/netboot-network.argv     |    1 +
 tests/networkxml2argvdata/netboot-network.xml      |   14 +++
 .../networkxml2argvdata/netboot-proxy-network.argv |    1 +
 .../networkxml2argvdata/netboot-proxy-network.xml  |   13 +++
 tests/networkxml2argvdata/routed-network.argv      |    1 +
 tests/networkxml2argvdata/routed-network.xml       |    9 ++
 tests/networkxml2argvtest.c                        |   99 ++++++++++++++++++++
 18 files changed, 255 insertions(+), 8 deletions(-)
 create mode 100644 src/libvirt_network.syms
 create mode 100644 tests/networkxml2argvdata/isolated-network.argv
 create mode 100644 tests/networkxml2argvdata/isolated-network.xml
 create mode 100644 tests/networkxml2argvdata/nat-network-dns-txt-record.argv
 create mode 100644 tests/networkxml2argvdata/nat-network-dns-txt-record.xml
 create mode 100644 tests/networkxml2argvdata/nat-network.argv
 create mode 100644 tests/networkxml2argvdata/nat-network.xml
 create mode 100644 tests/networkxml2argvdata/netboot-network.argv
 create mode 100644 tests/networkxml2argvdata/netboot-network.xml
 create mode 100644 tests/networkxml2argvdata/netboot-proxy-network.argv
 create mode 100644 tests/networkxml2argvdata/netboot-proxy-network.xml
 create mode 100644 tests/networkxml2argvdata/routed-network.argv
 create mode 100644 tests/networkxml2argvdata/routed-network.xml
 create mode 100644 tests/networkxml2argvtest.c

diff --git a/src/Makefile.am b/src/Makefile.am
index 3612a24..a349f09 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -530,6 +530,10 @@ libvirt_driver_la_LIBADD = $(NUMACTL_LIBS) $(GNUTLS_LIBS)
 
 USED_SYM_FILES = libvirt_private.syms
 
+if WITH_NETWORK
+USED_SYM_FILES += libvirt_network.syms
+endif
+
 if WITH_TEST
 if WITH_DRIVER_MODULES
 mod_LTLIBRARIES += libvirt_driver_test.la
@@ -1089,6 +1093,10 @@ if WITH_XENXS
 USED_SYM_FILES += libvirt_xenxs.syms
 endif
 
+if WITH_NETWORK
+USED_SYM_FILES += libvirt_network.syms
+endif
+
 EXTRA_DIST += \
   libvirt_public.syms		\
   libvirt_private.syms		\
@@ -1099,7 +1107,8 @@ EXTRA_DIST += \
   libvirt_daemon.syms		\
   libvirt_nwfilter.syms	\
   libvirt_vmx.syms		\
-  libvirt_xenxs.syms
+  libvirt_xenxs.syms		\
+  libvirt_network.syms
 
 BUILT_SOURCES += libvirt.syms libvirt.def libvirt_qemu.def
 
diff --git a/src/libvirt_network.syms b/src/libvirt_network.syms
new file mode 100644
index 0000000..6be5e45
--- /dev/null
+++ b/src/libvirt_network.syms
@@ -0,0 +1,6 @@
+#
+# Network-specific symbols
+#
+
+# bridge_driver.h
+networkBuildDhcpDaemonCommandLine;
diff --git a/src/network/bridge_driver.c b/src/network/bridge_driver.c
index 169bc08..2726a5b 100644
--- a/src/network/bridge_driver.c
+++ b/src/network/bridge_driver.c
@@ -633,12 +633,12 @@ cleanup:
     return ret;
 }
 
-static int
-networkStartDhcpDaemon(virNetworkObjPtr network)
+int
+networkBuildDhcpDaemonCommandLine(virNetworkObjPtr network, virCommandPtr *cmdout,
+                                  char *pidfile)
 {
     virCommandPtr cmd = NULL;
-    char *pidfile = NULL;
-    int ret = -1, err, ii;
+    int ret = -1, ii;
     virNetworkIpDefPtr ipdef;
 
     network->dnsmasqPid = -1;
@@ -663,6 +663,29 @@ networkStartDhcpDaemon(virNetworkObjPtr network)
     if (!virNetworkDefGetIpByIndex(network->def, AF_UNSPEC, 0))
         return 0;
 
+    cmd = virCommandNew(DNSMASQ);
+    if (networkBuildDnsmasqArgv(network, ipdef, pidfile, cmd) < 0) {
+        goto cleanup;
+    }
+
+    if (cmdout)
+        *cmdout = cmd;
+
+    ret = 0;
+cleanup:
+    if (ret < 0)
+        virCommandFree(cmd);
+    return ret;
+}
+
+static int
+networkStartDhcpDaemon(virNetworkObjPtr network)
+{
+    virCommandPtr cmd = NULL;
+    char *pidfile = NULL;
+    int ret = -1;
+    int err;
+
     if ((err = virFileMakePath(NETWORK_PID_DIR)) != 0) {
         virReportSystemError(err,
                              _("cannot create directory %s"),
@@ -688,10 +711,9 @@ networkStartDhcpDaemon(virNetworkObjPtr network)
         goto cleanup;
     }
 
-    cmd = virCommandNew(DNSMASQ);
-    if (networkBuildDnsmasqArgv(network, ipdef, pidfile, cmd) < 0) {
+    ret = networkBuildDhcpDaemonCommandLine(network, &cmd, pidfile);
+    if (ret < 0)
         goto cleanup;
-    }
 
     if (virCommandRun(cmd, NULL) < 0)
         goto cleanup;
diff --git a/src/network/bridge_driver.h b/src/network/bridge_driver.h
index 32d2ae7..8d82b67 100644
--- a/src/network/bridge_driver.h
+++ b/src/network/bridge_driver.h
@@ -28,7 +28,10 @@
 # include <config.h>
 
 # include "internal.h"
+# include "network_conf.h"
+# include "command.h"
 
 int networkRegister(void);
+int networkBuildDhcpDaemonCommandLine(virNetworkObjPtr network, virCommandPtr *cmdout, char *pidfile);
 
 #endif /* __VIR_NETWORK__DRIVER_H */
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 7ae50a2..40eb71e 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -50,6 +50,7 @@ EXTRA_DIST =		\
 	networkschematest \
 	networkxml2xmlin \
 	networkxml2xmlout \
+	networkxml2argvdata \
 	nodedevschemadata \
 	nodedevschematest \
 	nodeinfodata     \
@@ -109,6 +110,8 @@ endif
 
 check_PROGRAMS += networkxml2xmltest
 
+check_PROGRAMS += networkxml2argvtest
+
 check_PROGRAMS += nwfilterxml2xmltest
 
 check_PROGRAMS += storagevolxml2xmltest storagepoolxml2xmltest
@@ -220,6 +223,8 @@ endif
 
 TESTS += networkxml2xmltest
 
+TESTS += networkxml2argvtest
+
 TESTS += storagevolxml2xmltest storagepoolxml2xmltest
 
 TESTS += nodedevxml2xmltest
@@ -347,6 +352,11 @@ networkxml2xmltest_SOURCES = \
 	testutils.c testutils.h
 networkxml2xmltest_LDADD = $(LDADDS)
 
+networkxml2argvtest_SOURCES = \
+	networkxml2argvtest.c \
+	testutils.c testutils.h
+networkxml2argvtest_LDADD = ../src/libvirt_driver_network.la $(LDADDS)
+
 nwfilterxml2xmltest_SOURCES = \
 	nwfilterxml2xmltest.c \
 	testutils.c testutils.h
diff --git a/tests/networkxml2argvdata/isolated-network.argv b/tests/networkxml2argvdata/isolated-network.argv
new file mode 100644
index 0000000..dce6034
--- /dev/null
+++ b/tests/networkxml2argvdata/isolated-network.argv
@@ -0,0 +1 @@
+/usr/sbin/dnsmasq --strict-order --bind-interfaces --pid-file=(null) --conf-file= --except-interface lo --dhcp-option=3 --listen-address 192.168.152.1 --dhcp-range 192.168.152.2,192.168.152.254 --dhcp-leasefile=/var/lib/libvirt/dnsmasq/private.leases --dhcp-lease-max=253 --dhcp-no-override
\ No newline at end of file
diff --git a/tests/networkxml2argvdata/isolated-network.xml b/tests/networkxml2argvdata/isolated-network.xml
new file mode 100644
index 0000000..cc320a9
--- /dev/null
+++ b/tests/networkxml2argvdata/isolated-network.xml
@@ -0,0 +1,11 @@
+<network>
+  <name>private</name>
+  <uuid>81ff0d90-c91e-6742-64da-4a736edb9a9b</uuid>
+  <bridge name='virbr2' stp='on' delay='0' />
+  <mac address='52:54:00:17:3F:37'/>
+  <ip address='192.168.152.1' netmask='255.255.255.0'>
+    <dhcp>
+      <range start='192.168.152.2' end='192.168.152.254' />
+    </dhcp>
+  </ip>
+</network>
diff --git a/tests/networkxml2argvdata/nat-network-dns-txt-record.argv b/tests/networkxml2argvdata/nat-network-dns-txt-record.argv
new file mode 100644
index 0000000..96fde34
--- /dev/null
+++ b/tests/networkxml2argvdata/nat-network-dns-txt-record.argv
@@ -0,0 +1 @@
+/usr/sbin/dnsmasq --strict-order --bind-interfaces --pid-file=(null) --conf-file= --except-interface lo --txt-record=example,example value --listen-address 192.168.122.1 --listen-address 192.168.123.1 --listen-address 2001:db8:ac10:fe01::1 --listen-address 2001:db8:ac10:fd01::1 --listen-address 10.24.10.1 --dhcp-range 192.168.122.2,192.168.122.254 --dhcp-leasefile=/var/lib/libvirt/dnsmasq/default.leases --dhcp-lease-max=253 --dhcp-no-override --dhcp-hostsfile=/var/lib/libvirt/dnsmasq/default.hostsfile
\ No newline at end of file
diff --git a/tests/networkxml2argvdata/nat-network-dns-txt-record.xml b/tests/networkxml2argvdata/nat-network-dns-txt-record.xml
new file mode 100644
index 0000000..bd16976
--- /dev/null
+++ b/tests/networkxml2argvdata/nat-network-dns-txt-record.xml
@@ -0,0 +1,24 @@
+<network>
+  <name>default</name>
+  <uuid>81ff0d90-c91e-6742-64da-4a736edb9a9b</uuid>
+  <forward dev='eth1' mode='nat'/>
+  <bridge name='virbr0' stp='on' delay='0' />
+  <dns>
+    <txt name='example' value='example value' />
+  </dns>
+  <ip address='192.168.122.1' netmask='255.255.255.0'>
+    <dhcp>
+      <range start='192.168.122.2' end='192.168.122.254' />
+      <host mac='00:16:3e:77:e2:ed' name='a.example.com' ip='192.168.122.10' />
+      <host mac='00:16:3e:3e:a9:1a' name='b.example.com' ip='192.168.122.11' />
+    </dhcp>
+  </ip>
+  <ip family='ipv4' address='192.168.123.1' netmask='255.255.255.0'>
+  </ip>
+  <ip family='ipv6' address='2001:db8:ac10:fe01::1' prefix='64'>
+  </ip>
+  <ip family='ipv6' address='2001:db8:ac10:fd01::1' prefix='64'>
+  </ip>
+  <ip family='ipv4' address='10.24.10.1'>
+  </ip>
+</network>
diff --git a/tests/networkxml2argvdata/nat-network.argv b/tests/networkxml2argvdata/nat-network.argv
new file mode 100644
index 0000000..ccffa67
--- /dev/null
+++ b/tests/networkxml2argvdata/nat-network.argv
@@ -0,0 +1 @@
+/usr/sbin/dnsmasq --strict-order --bind-interfaces --pid-file=(null) --conf-file= --except-interface lo --listen-address 192.168.122.1 --listen-address 192.168.123.1 --listen-address 2001:db8:ac10:fe01::1 --listen-address 2001:db8:ac10:fd01::1 --listen-address 10.24.10.1 --dhcp-range 192.168.122.2,192.168.122.254 --dhcp-leasefile=/var/lib/libvirt/dnsmasq/default.leases --dhcp-lease-max=253 --dhcp-no-override --dhcp-hostsfile=/var/lib/libvirt/dnsmasq/default.hostsfile
\ No newline at end of file
diff --git a/tests/networkxml2argvdata/nat-network.xml b/tests/networkxml2argvdata/nat-network.xml
new file mode 100644
index 0000000..eb71d9e
--- /dev/null
+++ b/tests/networkxml2argvdata/nat-network.xml
@@ -0,0 +1,21 @@
+<network>
+  <name>default</name>
+  <uuid>81ff0d90-c91e-6742-64da-4a736edb9a9b</uuid>
+  <forward dev='eth1' mode='nat'/>
+  <bridge name='virbr0' stp='on' delay='0' />
+  <ip address='192.168.122.1' netmask='255.255.255.0'>
+    <dhcp>
+      <range start='192.168.122.2' end='192.168.122.254' />
+      <host mac='00:16:3e:77:e2:ed' name='a.example.com' ip='192.168.122.10' />
+      <host mac='00:16:3e:3e:a9:1a' name='b.example.com' ip='192.168.122.11' />
+    </dhcp>
+  </ip>
+  <ip family='ipv4' address='192.168.123.1' netmask='255.255.255.0'>
+  </ip>
+  <ip family='ipv6' address='2001:db8:ac10:fe01::1' prefix='64'>
+  </ip>
+  <ip family='ipv6' address='2001:db8:ac10:fd01::1' prefix='64'>
+  </ip>
+  <ip family='ipv4' address='10.24.10.1'>
+  </ip>
+</network>
diff --git a/tests/networkxml2argvdata/netboot-network.argv b/tests/networkxml2argvdata/netboot-network.argv
new file mode 100644
index 0000000..565c41b
--- /dev/null
+++ b/tests/networkxml2argvdata/netboot-network.argv
@@ -0,0 +1 @@
+/usr/sbin/dnsmasq --strict-order --bind-interfaces --domain example.com --pid-file=(null) --conf-file= --except-interface lo --listen-address 192.168.122.1 --dhcp-range 192.168.122.2,192.168.122.254 --dhcp-leasefile=/var/lib/libvirt/dnsmasq/netboot.leases --dhcp-lease-max=253 --dhcp-no-override --enable-tftp --tftp-root /var/lib/tftproot --dhcp-boot pxeboot.img
\ No newline at end of file
diff --git a/tests/networkxml2argvdata/netboot-network.xml b/tests/networkxml2argvdata/netboot-network.xml
new file mode 100644
index 0000000..b8a4d99
--- /dev/null
+++ b/tests/networkxml2argvdata/netboot-network.xml
@@ -0,0 +1,14 @@
+<network>
+  <name>netboot</name>
+  <uuid>81ff0d90-c91e-6742-64da-4a736edb9a9b</uuid>
+  <forward mode='nat'/>
+  <bridge name='virbr1' stp='off' delay='1' />
+  <domain name='example.com'/>
+  <ip address='192.168.122.1' netmask='255.255.255.0'>
+    <tftp root='/var/lib/tftproot' />
+    <dhcp>
+      <range start='192.168.122.2' end='192.168.122.254' />
+      <bootp file='pxeboot.img' />
+    </dhcp>
+  </ip>
+</network>
diff --git a/tests/networkxml2argvdata/netboot-proxy-network.argv b/tests/networkxml2argvdata/netboot-proxy-network.argv
new file mode 100644
index 0000000..019367d
--- /dev/null
+++ b/tests/networkxml2argvdata/netboot-proxy-network.argv
@@ -0,0 +1 @@
+/usr/sbin/dnsmasq --strict-order --bind-interfaces --domain example.com --pid-file=(null) --conf-file= --except-interface lo --listen-address 192.168.122.1 --dhcp-range 192.168.122.2,192.168.122.254 --dhcp-leasefile=/var/lib/libvirt/dnsmasq/netboot.leases --dhcp-lease-max=253 --dhcp-no-override --dhcp-boot pxeboot.img,,10.20.30.40
\ No newline at end of file
diff --git a/tests/networkxml2argvdata/netboot-proxy-network.xml b/tests/networkxml2argvdata/netboot-proxy-network.xml
new file mode 100644
index 0000000..e11c50b
--- /dev/null
+++ b/tests/networkxml2argvdata/netboot-proxy-network.xml
@@ -0,0 +1,13 @@
+<network>
+  <name>netboot</name>
+  <uuid>81ff0d90-c91e-6742-64da-4a736edb9a9b</uuid>
+  <forward mode='nat'/>
+  <bridge name='virbr1' stp='off' delay='1' />
+  <domain name='example.com'/>
+  <ip address='192.168.122.1' netmask='255.255.255.0'>
+    <dhcp>
+      <range start='192.168.122.2' end='192.168.122.254' />
+      <bootp file='pxeboot.img' server='10.20.30.40' />
+    </dhcp>
+  </ip>
+</network>
diff --git a/tests/networkxml2argvdata/routed-network.argv b/tests/networkxml2argvdata/routed-network.argv
new file mode 100644
index 0000000..2b51d90
--- /dev/null
+++ b/tests/networkxml2argvdata/routed-network.argv
@@ -0,0 +1 @@
+/usr/sbin/dnsmasq --strict-order --bind-interfaces --pid-file=(null) --conf-file= --except-interface lo --listen-address 192.168.122.1
\ No newline at end of file
diff --git a/tests/networkxml2argvdata/routed-network.xml b/tests/networkxml2argvdata/routed-network.xml
new file mode 100644
index 0000000..3aa8109
--- /dev/null
+++ b/tests/networkxml2argvdata/routed-network.xml
@@ -0,0 +1,9 @@
+<network>
+  <name>local</name>
+  <uuid>81ff0d90-c91e-6742-64da-4a736edb9a9b</uuid>
+  <forward dev='eth1' mode='route'/>
+  <bridge name='virbr1' stp='on' delay='0' />
+  <mac address='12:34:56:78:9A:BC'/>
+  <ip address='192.168.122.1' netmask='255.255.255.0'>
+  </ip>
+</network>
diff --git a/tests/networkxml2argvtest.c b/tests/networkxml2argvtest.c
new file mode 100644
index 0000000..5e7f455
--- /dev/null
+++ b/tests/networkxml2argvtest.c
@@ -0,0 +1,99 @@
+#include <config.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+
+#include <sys/types.h>
+#include <fcntl.h>
+
+#include "internal.h"
+#include "testutils.h"
+#include "network_conf.h"
+#include "command.h"
+#include "memory.h"
+#include "network/bridge_driver.h"
+
+static int testCompareXMLToArgvFiles(const char *inxml, const char *outargv) {
+    char *inXmlData = NULL;
+    char *outArgvData = NULL;
+    char *actual = NULL;
+    int ret = -1;
+    virNetworkDefPtr dev = NULL;
+    virNetworkObjPtr obj = NULL;
+    virCommandPtr cmd = NULL;
+    char *pidfile = NULL;
+
+    if (virtTestLoadFile(inxml, &inXmlData) < 0)
+        goto fail;
+
+    if (virtTestLoadFile(outargv, &outArgvData) < 0)
+        goto fail;
+
+    if (!(dev = virNetworkDefParseString(inXmlData)))
+        goto fail;
+
+    if (VIR_ALLOC(obj) < 0)
+        goto fail;
+
+    obj->def = dev;
+
+    if (networkBuildDhcpDaemonCommandLine(obj, &cmd, pidfile) != 0)
+        goto fail;
+
+    if (!(actual = virCommandToString(cmd)))
+        goto fail;
+
+    if (STRNEQ(outArgvData, actual)) {
+        virtTestDifference(stderr, outArgvData, actual);
+        goto fail;
+    }
+
+    ret = 0;
+
+ fail:
+    free(actual);
+    VIR_FREE(pidfile);
+    virCommandFree(cmd);
+    virNetworkObjFree(obj);
+    return ret;
+}
+
+static int testCompareXMLToArgvHelper(const void *data) {
+    char inxml[PATH_MAX];
+    char outargv[PATH_MAX];
+    snprintf(inxml, PATH_MAX, "%s/networkxml2argvdata/%s.xml",
+             abs_srcdir, (const char*)data);
+    snprintf(outargv, PATH_MAX, "%s/networkxml2argvdata/%s.argv",
+             abs_srcdir, (const char*)data);
+    return testCompareXMLToArgvFiles(inxml, outargv);
+}
+
+
+static int
+mymain(void)
+{
+    int ret = 0;
+    char cwd[PATH_MAX];
+
+    abs_srcdir = getenv("abs_srcdir");
+    if (!abs_srcdir)
+        abs_srcdir = getcwd(cwd, sizeof(cwd));
+
+#define DO_TEST(name) \
+    if (virtTestRun("Network XML-2-Argv " name, \
+                    1, testCompareXMLToArgvHelper, (name)) < 0) \
+        ret = -1
+
+    DO_TEST("isolated-network");
+    DO_TEST("routed-network");
+    DO_TEST("nat-network");
+    DO_TEST("netboot-network");
+    DO_TEST("netboot-proxy-network");
+    DO_TEST("nat-network-dns-txt-record");
+
+    return (ret==0 ? EXIT_SUCCESS : EXIT_FAILURE);
+}
+
+VIRT_TEST_MAIN(mymain)
-- 
1.7.3.2


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