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2016-05-18core: introduce CGroupIOLimitType enumsTejun Heo
Currently, there are two cgroup IO limits, bandwidth max for read and write, and they are hard-coded in various places. This is fine for two limits but IO is expected to grow more limits - low, high and max limits for bandwidth and IOPS - and hard-coding each limit won't make sense. This patch replaces hard-coded limits with an array indexed by CGroupIOLimitType and accompanying string and default value tables so that new limits can be added trivially.
2016-05-17networkd: do not update state or IPv6LL address if link is failed or lingeringSusant Sahani
This is partial fix for #2228 and #2977, #3204. bridge-test: netdev ready docker0: Gained IPv6LL wlan0: Gained IPv6LL eth0: Gained IPv6LL Enumeration completed bridge-test: netdev exists, using existing without changing its parameters vboxnet0: IPv6 enabled for interface: Success lo: Configured docker0: Could not drop address: No such process vboxnet0: Gained carrier wlan0: Could not drop address: No such process eth0: Could not drop address: No such process eth0: Could not drop address: No such process eth0: Could not drop address: No such process vboxnet0: Gained IPv6LL vboxnet0: Could not set NDisc route or address: Invalid argument vboxnet0: Failed [New Thread 0x7ffff6505700 (LWP 1111)] [Thread 0x7ffff6505700 (LWP 1111) exited] Assertion 'link->state == LINK_STATE_SETTING_ROUTES' failed at src/network/networkd-link.c:672, function link_enter_configured(). Aborting. Program received signal SIGABRT, Aborted. 0x00007ffff6dc6a98 in raise () from /lib64/libc.so.6 Missing separate debuginfos, use: dnf debuginfo-install iptables-1.4.21-15.fc23.x86_64 libattr-2.4.47-14.fc23.x86_64 libidn-1.32-1.fc23.x86_64 pcre-8.38-7.fc23.x86_64 Debugging (gdb) bt "link->state == LINK_STATE_SETTING_ROUTES", file=0x5555556a34c8 "src/network/networkd-link.c", line=672, func=0x5555556a56d0 <__PRETTY_FUNCTION__.14850> "link_enter_configured") at src/basic/log.c:788 src/network/networkd-link.c:672 src/network/networkd-link.c:720 flags=0 '\000', scope=0 '\000', cinfo=0x7fffffffe020) at src/network/networkd-address.c:344 (rtnl=0x5555556eded0, message=0x55555570ff20, userdata=0x5555556ec590) at src/network/networkd-manager.c:604 m=0x55555570ff20) at src/libsystemd/sd-netlink/sd-netlink.c:365 at src/libsystemd/sd-netlink/sd-netlink.c:395 ret=0x0) at src/libsystemd/sd-netlink/sd-netlink.c:429 revents=1, userdata=0x5555556eded0) at src/libsystemd/sd-netlink/sd-netlink.c:723 src/libsystemd/sd-event/sd-event.c:2268 src/libsystemd/sd-event/sd-event.c:2629 timeout=18446744073709551615) at src/libsystemd/sd-event/sd-event.c:2688 bus=0x5555556eeba0, name=0x55555568a2f5 "org.freedesktop.network1", timeout=30000000, check_idle=0x55555556adb6 <manager_check_idle>, userdata=0x5555556ec590) at src/shared/bus-util.c:134 src/network/networkd-manager.c:1130 src/network/networkd.c:127 (gdb) f 3 src/network/networkd-link.c:672 672 assert(link->state == LINK_STATE_SETTING_ROUTES); (gdb) p link->state $1 = LINK_STATE_FAILED We should not be in this state . even if vboxnet0 failed we went into this state. vboxnet0: Could not set NDisc route or address: Invalid argument vboxnet0: Failed
2016-05-17networkd: add route expiration handler (#3242)Susant Sahani
Fix for #3232.
2016-05-17networkd: Add EmitRouter= option for DHCP Server (#3251)Clemens Gruber
Add an option to disable appending DHCP option 3 (Router) to the DHCP OFFER and ACK packets. This commit adds the boolean option EmitRouter= for the [DHCPServer] section in .network files. Rationale: On embedded devices, it is very useful to have a DHCP server running on an USB OTG ethernet gadget interface to avoid manual setup on the client PCs, but it should only serve IP addresses, no route(r)s. Otherwise, Windows clients experience network connectivity issues, due to them using the address set in DHCP option 3 as default gateway. Signed-off-by: Clemens Gruber <clemens.gruber@pqgruber.com>
2016-05-17core/dbus: use free_and_strdup to simplify code (#3279)Jonathan Boulle
Makes it consistent with the other branches here.
2016-05-17vconsole: add log_oom() where appropriateLennart Poettering
2016-05-17Merge pull request #3258 from keszybz/small-networkd-cleanupLennart Poettering
Small networkd cleanup
2016-05-16Merge pull request #3193 from htejun/cgroup-io-controllerLennart Poettering
core: add io controller support on the unified hierarchy
2016-05-16basic: Fix incorrect architecture mapping on sparc64. (#3274)John Paul Adrian Glaubitz
2016-05-16core: don't log job status message in case job was effectively NOP (#3199)Michal Sekletar
We currently generate log message about unit being started even when unit was started already and job didn't do anything. This is because job was requested explicitly and hence became anchor job of the transaction thus we could not eliminate it. That is fine but, let's not pollute journal with useless log messages. $ systemctl start systemd-resolved $ systemctl start systemd-resolved $ systemctl start systemd-resolved Current state: $ journalctl -u systemd-resolved | grep Started May 05 15:31:42 rawhide systemd[1]: Started Network Name Resolution. May 05 15:31:59 rawhide systemd[1]: Started Network Name Resolution. May 05 15:32:01 rawhide systemd[1]: Started Network Name Resolution. After patch applied: $ journalctl -u systemd-resolved | grep Started May 05 16:42:12 rawhide systemd[1]: Started Network Name Resolution. Fixes #1723
2016-05-16missing.h: add BTRFS_IOC_QUOTA_RESCAN_WAIT (#3266)Stefan Saraev
2016-05-16vconsole-setup: Store fonts on heap (#3268)Kyle Russell
More friendly to the stack.
2016-05-15namespace: Make private /dev noexec and readonly (#3263)topimiettinen
Private /dev will not be managed by udev or others, so we can make it noexec and readonly after we have made all device nodes. As /dev/shm needs to be writable, we can't use bind_remount_recursive().
2016-05-15sd-dhcp6-client: add log_errno macro and improve debug messages a bitZbigniew Jędrzejewski-Szmek
2016-05-15tree-wide: drop spurious "&"s when passing functions aroundZbigniew Jędrzejewski-Szmek
Also adjust indentation in various places.
2016-05-15networkd: do not generate a mac address for vlan interfaces (#3221)Susant Sahani
While creating a VLAN the mac address should be copied from the parent interface, so that the VLANs inherit the MAC address of the physical interface. Before: ``` 3: wlp3s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000 link/ether 00:26:c6:85:a3:c2 brd ff:ff:ff:ff:ff:ff ... 6: vlan1@wlp3s0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether 22:07:73:9d:43:59 brd ff:ff:ff:ff:ff:ff 7: vlan2@wlp3s0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether 46:30:76:33:35:d4 brd ff:ff:ff:ff:ff:ff ``` After: ``` 3: wlp3s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000 link/ether 00:26:c6:85:a3:c2 brd ff:ff:ff:ff:ff:ff ... 11: vlan1@wlp3s0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether 00:26:c6:85:a3:c2 brd ff:ff:ff:ff:ff:ff 12: vlan2@wlp3s0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether 00:26:c6:85:a3:c2 brd ff:ff:ff:ff:ff:ff ``` v2 of #1573, with fixed commit message.
2016-05-15networkd: bridge add support to configure multicast snooping (#3223)Susant Sahani
This patch implements support for the IFLA_BR_MCAST_SNOOPING attribute it can change the multicast snooping value. IGMP snooping monitors the Internet Group Management Protocol (IGMP) traffic between hosts and multicast routers.
2016-05-14networkd: fix copy-pasto in error messageZbigniew Jędrzejewski-Szmek
2016-05-14networkd: drop route_dropZbigniew Jędrzejewski-Szmek
It is just an alias for route_free which requires that route is not null, but it was only used in one place where it was checked that route is not null anyway. Let's just call route_free instead.
2016-05-14busctl: use Monitoring interface (#3245)Lars Uebernickel
This is now the recommended way to do monitoring by upstream D-Bus. It's also allowed in the default policy, whereas eavesdrop is not anymore, which effectively broke busctl on many systems.
2016-05-14core: allow slice to be overriden if cgroups aren't realized (#3246)Tejun Heo
unit_set_slice() fails with -EBUSY if the unit already has a slice associated with it. This makes it impossible to override slice through dropin config or over dbus. There's no reason to disallow slice changes as long as cgroups aren't realized. Fix it. Fixes #3240. Signed-off-by: Tejun Heo <htejun@fb.com> Reported-by: Davide Cavalca <dcavalca@fb.com>
2016-05-14namespace: unmount old /dev under our new private /dev (#3254)topimiettinen
Drop all dangling old /dev mounts before mounting a new private /dev tree.
2016-05-12nspawn: drop spurious newlineLennart Poettering
2016-05-12core: added ListUnitsByNames dbus method (#3182)kayrus
This new method returns information by unit names. Instead of ListUnitsByPatterns this method returns information of inactive and even unexisting units. Moved dbus unit reply logic into a separate shared function. Resolves https://github.com/coreos/fleet/pull/1418
2016-05-12Create initrd-root-device.target synchronization point (#3239)Daniel Drake
Add a synchronization point so that custom initramfs units can run after the root device becomes available, before it is fsck'd and mounted. This is useful for custom initramfs units that may modify the root disk partition table, where the root device is not known in advance (it's dynamically selected by the generators).
2016-05-11logind: introduce LockedHint and SetLockedHint (#3238)Victor Toso
Desktop environments can keep this property up to date to allow applications to easily track session's Lock status.
2016-05-11coredump: use next_datagram_size_fd instead of ioctl(FIONREAD) (#3237)Evgeny Vereshchagin
We need to be sure that the size returned here actually matches what we will read with recvmsg() next Fixes #2984
2016-05-10Merge pull request #3220 from keszybz/install-fixesLennart Poettering
Fix "preset-all" with dangling symlinks and install-section hint emitted too eagerly
2016-05-09locale-util: mark special_glyph() as _const_Zbigniew Jędrzejewski-Szmek
_const_ means that the caller can assume that the function will return the same result every time (and will not modify global memory). special_glyph() meets this: even though it depends on global memory, that part of global memory is not expected to change. This allows the calls to special_glyph() to be optimized, even if -flto is not used.
2016-05-09tree-wide: rename draw_special_char to special_glyphZbigniew Jędrzejewski-Szmek
That function doesn't draw anything on it's own, just returns a string, which sometimes is more than one character. Also remove "DRAW_" prefix from character names, TREE_* and ARROW and BLACK_CIRCLE are unambigous on their own, don't draw anything, and are always used as an argument to special_glyph(). Rename "DASH" to "MDASH", as there's more than one type of dash.
2016-05-09shared/install: use "→" instead of "pointing to" for a symlinkZbigniew Jędrzejewski-Szmek
It's quite a bit shorter and just as readable. (The full sentence with "pointing to" was added to replace a text that used "ln -s %s %s". Using the "ln" syntax is indeed unclear, because it's not obvious which is the source and which is the target, and because symlink(2) uses the opposite order to ln(1). But with the unicode arrow there should be no ambiguity.)
2016-05-09shared/install: do not print warning when a unit is already enabledZbigniew Jędrzejewski-Szmek
Executing 'systemctl enable' on the same unit twice would cause a warning about a missing [Install] section to be printed. To avoid this, count all symlinks that "would" be created, and return 1 no matter if we actually created a symlink or skipped creation because it already exists.
2016-05-09shared/install: handle dangling aliases as an explicit case, report nicelyZbigniew Jędrzejewski-Szmek
This fixes 'preset-all' with a unit that is a dangling symlink. $ systemctl --root=/ preset-all Unit syslog.service is an alias to a unit that is not present, ignoring. Unit auditd.service is masked, ignoring. Unit NetworkManager.service is masked, ignoring.
2016-05-09shared/install: add some more debug messages and commentsZbigniew Jędrzejewski-Szmek
$ systemctl --root=/ preset foobar.service Cannot find unit foobar.service. Failed to preset: No such file or directory. $ systemctl --root=/ preset foobar@.service Cannot find unit foobar@.service. Failed to preset: No such file or directory. $ systemctl --root=/ preset foobar@blah.service Cannot find unit foobar@blah.service or foobar@.service. Failed to preset: No such file or directory.
2016-05-09nspawn: only remove veth links we created ourselvesLennart Poettering
Let's make sure we don't remove veth links that existed before nspawn was invoked. https://github.com/systemd/systemd/pull/3209#discussion_r62439999
2016-05-09network: Make sure we log about parse errors for ifname listsLennart Poettering
Fix-up for 93e2822684b37a4eeef03775a7a1f44a3055d7b2
2016-05-09networkd: reworkd LLDP emission to allow control of propagation levelLennart Poettering
This allows selecting the propagation level of emitted LLDP packets (specifically: the destination MAC address of the packets). This is useful because it allows generating LLDP packets that optionally cross certain types of bridges. See 802.11ab-2009, Table 7-1 for details.
2016-05-09tree-wide: port more code to use ifname_valid()Lennart Poettering
2016-05-09nspawn: add new --network-zone= switch for automatically managed bridge devicesLennart Poettering
This adds a new concept of network "zones", which are little more than bridge devices that are automatically managed by nspawn: when the first container referencing a bridge is started, the bridge device is created, when the last container referencing it is removed the bridge device is removed again. Besides this logic --network-zone= is pretty much identical to --network-bridge=. The usecase for this is to make it easy to run multiple related containers (think MySQL in one and Apache in another) in a common, named virtual Ethernet broadcast zone, that only exists as long as one of them is running, and fully automatically managed otherwise.
2016-05-09util-lib: add new ifname_valid() call that validates interface namesLennart Poettering
Make use of this in nspawn at a couple of places. A later commit should port more code over to this, including networkd.
2016-05-08Merge pull request #3202 from poettering/socket-fixesMartin Pitt
don't reopen socket fds when reloading the daemon
2016-05-07shared/install: simplify error handling conditionals in a few placesZbigniew Jędrzejewski-Szmek
2016-05-07core/mount: add helper function for mount statesZbigniew Jędrzejewski-Szmek
2016-05-07Merge pull request #3205 from poettering/iaidZbigniew Jędrzejewski-Szmek
more dhcp fixes
2016-05-07Merge pull request #3160 from htejun/cgroup-fixes-rev2Zbigniew Jędrzejewski-Szmek
Cgroup fixes.
2016-05-07Merge pull request #3215 from keszybz/news-and-other-small-cleanupsLennart Poettering
News and other small cleanups
2016-05-07Merge pull request #3191 from poettering/cgroups-agent-dgramEvgeny Vereshchagin
core: use an AF_UNIX/SOCK_DGRAM socket for cgroup agent notification
2016-05-07systemctl: do not print header if no units will be listedZbigniew Jędrzejewski-Szmek
"0 units listed." is still printed.
2016-05-07systemctl: rewrite code to explicitly take care of n_units==0 caseZbigniew Jędrzejewski-Szmek
Coverity was complaing, but it was a false positive (CID #1354669). Nevertheless, it's better to rewrite the code so that units is never null.
2016-05-06core: dump TriggerLimitIntervalSec and TriggerLimitBurst tooEvgeny Vereshchagin
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