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2016-06-19tests: don't run test_get_process_cmdline_harder under valgrindEvgeny Vereshchagin
See https://github.com/systemd/systemd/pull/3555#issuecomment-226564908
2016-06-16Merge pull request #3481 from poettering/relative-memcgLennart Poettering
various changes, most importantly regarding memory metrics
2016-06-15tree-wide: htonl() is weird, let's use htobe32() instead (#3538)Lennart Poettering
Super-important change, yeah!
2016-06-14util-lib: rework get_process_cmdline() (#3529)Lennart Poettering
This reworks get_process_cmdline() quite substantially, fixing the following: - Fixes: https://github.com/systemd/systemd/pull/3512/commits/a4e3bf4d7ac2de51191ce136ee9361ba319e106c#r66837630 - The passed max_length is also applied to the "comm" name, if comm_fallback is set. - The right thing happens if max_length == 1 is specified - when the cmdline "foobar" is abbreviated to 6 characters the result is not "foobar" instead of "foo...". - trailing whitespace are removed before the ... suffix is appended. The 7 character abbreviation of "foo barz" is hence "foo..." instead of "foo ...". - leading whitespace are suppressed from the cmdline - a comprehensive test case is added
2016-06-14util: introduce physical_memory_scale() to unify how we scale by physical memoryLennart Poettering
The various bits of code did the scaling all different, let's unify this, given that the code is not trivial.
2016-06-14util-lib: introduce parse_percent() for parsing percent specificationsLennart Poettering
And port a couple of users over to it.
2016-06-14util: when determining the amount of memory on this system, take cgroup ↵Lennart Poettering
limit into account When determining the amount of RAM in the system, let's make sure we also read the root-level cgroup memory limit into account. This isn't particularly useful on the host, but in containers it makes sure that whatever memory the container got assigned is actually used for RAM size calculations.
2016-06-13core: parse `rd.rescue` and `rd.emergency` as initrd-specific shorthands (#3488)Ivan Shapovalov
Typing `rd.rescue` is easier than `rd.systemd.unit=rescue.target`.
2016-06-12test-process-util: allow pid to be specified on the command lineZbigniew Jędrzejewski-Szmek
This makes it easy to test the query code on "ssh localhost" and similar.
2016-06-12test-process-util: rework the test function to take pid as argumentZbigniew Jędrzejewski-Szmek
This fixes a bunch of copy&paste errors in the output.
2016-06-09Merge pull request #3432 from poettering/resolved-ll-ipv6Martin Pitt
resolved: support IPv6 DNS servers on the local link
2016-06-06util-lib: add accessors for unaligned native endian wordsLennart Poettering
2016-06-06resolved: support IPv6 DNS servers on the local linkLennart Poettering
Make sure we can parse DNS server addresses that use the "zone id" syntax for local link addresses, i.e. "fe80::c256:27ff:febb:12f%wlp3s0", when reading /etc/resolv.conf. Also make sure we spit this out correctly again when writing /etc/resolv.conf and via the bus. Fixes: #3359
2016-05-29util-lib: Add sparc64 support for process creation (#3348)Michael Karcher
The current raw_clone function takes two arguments, the cloning flags and a pointer to the stack for the cloned child. The raw cloning without passing a "thread main" function does not make sense if a new stack is specified, as it returns in both the parent and the child, which will fail in the child as the stack is virgin. All uses of raw_clone indeed pass NULL for the stack pointer which indicates that both processes should share the stack address (so you better don't pass CLONE_VM). This commit refactors the code to not require the caller to pass the stack address, as NULL is the only sensible option. It also adds the magic code needed to make raw_clone work on sparc64, which does not return 0 in %o0 for the child, but indicates the child process by setting %o1 to non-zero. This refactoring is not plain aesthetic, because non-NULL stack addresses need to get mangled before being passed to the clone syscall (you have to apply STACK_BIAS), whereas NULL must not be mangled. Implementing the conditional mangling of the stack address would needlessly complicate the code. raw_clone is moved to a separete header, because the burden of including the assert machinery and sched.h shouldn't be applied to every user of missing_syscalls.h
2016-05-20Merge pull request #3290 from htejun/cgroup2-io-compatLennart Poettering
Implement compat translation between IO* and BlockIO* settings
2016-05-20Merge pull request #3235 from dkg/hwaddr-cleanupTom Gundersen
minor improvements for dealing with MAC Addresses
2016-05-20basic: remove rm_rf_and_free, add rm_rf_physical_and_free, use ↵Evgeny Vereshchagin
rm_rf_physical_and_freep in tests (#3292) Some distros don't mount /tmp as tmpfs. For example: https://lists.ubuntu.com/archives/ubuntu-cloud/2016-January/001009.html Some tests: * print 'Attempted to remove disk file system, and we can't allow that.' * don't really cleanup /tmp
2016-05-18core: translate between IO and BlockIO settings to ease transitionTejun Heo
Due to the substantial interface changes in cgroup unified hierarchy, new IO settings are introduced. Currently, IO settings apply only to unified hierarchy and BlockIO to legacy. While the transition is necessary, it's painful for users to have to provide configs for both. This patch implements translation from one config set to another for configs which make sense. * The translation takes place during application of the configs. Users won't see IO or BlockIO settings appearing without being explicitly created. * The translation takes place only if there is no config for the matching cgroup hierarchy type at all. While this doesn't provide comprehensive compatibility, it should considerably ease transition to the new IO settings which are a superset of BlockIO settings. v2: - Update test-cgroup-mask.c so that it accounts for the fact that CGROUP_MASK_IO and CGROUP_MASK_BLKIO move together. Also, test/parent.slice now sets IOWeight instead of BlockIOWeight.
2016-05-17basic: define HEXDIGITSDaniel Kahn Gillmor
define HEXDIGITS alongside DIGITS, and use it where it's already useful. We'll use it again shortly when parsing MAC addresses.
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.
2016-05-05tree-wide: introduce new SOCKADDR_UN_LEN() macro, and use it everywhereLennart Poettering
The macro determines the right length of a AF_UNIX "struct sockaddr_un" to pass to connect() or bind(). It automatically figures out if the socket refers to an abstract namespace socket, or a socket in the file system, and properly handles the full length of the path field. This macro is not only safer, but also simpler to use, than the usual offsetof() + strlen() logic.
2016-05-03Merge pull request #3183 from crawford/preset-arrayZbigniew Jędrzejewski-Szmek
install: cache the presets before evaluating
2016-05-01test: ensure presets are evaluated in orderAlex Crawford
This tests to make sure that preset patterns are checked in the order they were declared. Both "prefix-1.service" and "prefix-2.service" match against two rules: their exact name (which enables the service) and "prefix-*.service" (which disables the service). Because of the ordering, only "prefix-1.service" should be enabled.
2016-04-29Merge pull request #3151 from keszybz/pr3149-2Zbigniew Jędrzejewski-Szmek
Assorted fixes #3149 + one commit tacked on top
2016-04-29core: make parsing of RLIMIT_NICE aware of actual nice levelsLennart Poettering
2016-04-29core: Filter by unit name behind the D-Bus, instead on the client side (#3142)kayrus
This commit improves systemd performance on the systems which have thousands of units.
2016-04-29test-copy: never call alloca() in a loopLennart Poettering
That's a total no-no, hence rework this to use malloc()-based memory instead of alloca()-based memory. Also see CODING_STYLE about this.
2016-04-29copy: also copy AF_UNIX socketsLennart Poettering
We previously would fail with EOPNOTSUPP when encountering an AF_UNIX socket in the directory tree to copy. Fix that, and copy them too (even if they are dead in the result). Fixes: #2914
2016-04-28test-path-util: add a trivial test for hidden_or_backup_fileZbigniew Jędrzejewski-Szmek
2016-04-22tree-wide: remove unused variables (#3098)Thomas H. P. Andersen
2016-04-22coredump,basic: generalize O_TMPFILE handling a bitLennart Poettering
This moves the O_TMPFILE handling from the coredumping code into common library code, and generalizes it as open_tmpfile_linkable() + link_tmpfile(). The existing open_tmpfile() function (which creates an unlinked temporary file that cannot be linked into the fs) is renamed to open_tmpfile_unlinkable(), to make the distinction clear. Thus, code may now choose between: a) open_tmpfile_linkable() + link_tmpfile() b) open_tmpfile_unlinkable() Depending on whether they want a file that may be linked back into the fs later on or not. In a later commit we should probably convert fopen_temporary() to make use of open_tmpfile_linkable(). Followup for: #3065
2016-04-21build: fix test-nss.c build failure with --disable-{resolved,myhostname} (#3081)Martin Pitt
When building without resolved and/or myhostname, test-nss.c failed to build with src/test/test-nss.c: In function 'main': src/test/test-nss.c:417:32: error: 'MODULE1' undeclared (first use in this function) NULSTR_FOREACH(module, MODULE1 MODULE2 MODULE3 MODULE4) { ^ Ensure that all MODULEx are always defined, and empty if the module is not available (so that it will be a no-op in the string concatenation).
2016-04-19systemctl: warning about missing install info for template unitsZbigniew Jędrzejewski-Szmek
The advice string didn't talk about template units at all. Extend it and print when trying to enable a template unit without install info. Fixes #2345.
2016-04-18Various formatting and style fixesZbigniew Jędrzejewski-Szmek
2016-04-16install: allow paths like LookupPath.generator to be NULLZbigniew Jędrzejewski-Szmek
Fixes #3047.
2016-04-16tree-wide: introduce PATH_IN_SET macroZbigniew Jędrzejewski-Szmek
2016-04-16tree-wide: use ERFKILL instead of ESHUTDOWN for "unit masked"Zbigniew Jędrzejewski-Szmek
If the error code ever leaks (we print the strerror error instead of providing our own), the message for ESHUTDOWN is "Cannot send after transport endpoint shutdown", which can be misleading. In particular it suggest that some mishandling of the dbus connection occured. Let's change that to ERFKILL which has the advantage that a) it sounds implausible as actual error, b) has the connotation of disabling something manually.
2016-04-13test-strv: add a test that extending empty strv works as expectedZbigniew Jędrzejewski-Szmek
Just making sure :)
2016-04-12tests: override XDG_RUNTIME_DIR where we use the user runtime dirLennart Poettering
We don#t really support systems where XDG_RUNTIME_DIR is not supported for systemd --user. Hence, let's always set our own XDG_RUNTIME_DIR for tests that involve systemd --user, so that we know it is set, and that it doesn't polute the user's actual runtime dir.
2016-04-12core,systemctl: add new "systemctl revert" commandLennart Poettering
This allows dropping all user configuration and reverting back to the vendor default of a unit file. It basically undoes what "systemctl edit", "systemctl set-property" and "systemctl mask" do.
2016-04-12basic: remove rbtree code, it's unusedLennart Poettering
it's unused, and should we need it one day we can always resurrect it from git history.
2016-04-12systemctl: don't confuse sysv code with generated unitsLennart Poettering
The SysV compat code checks whether there's a native unit file before looking for a SysV init script. Since the newest rework generated units will show up in the unit path, and hence the checks ended up assuming that there always was a native unit file for each init script: the generated one. With this change the generated unit file directory is suppressed from the search path when this check is done, to avoid the confusion.
2016-04-12install: rename generator_paths() → generator_binary_paths()Lennart Poettering
This is too confusing, as this funciton returns the paths to the generator binaries, while usually when we refer to the just the "generator path" we mean the generated unit files. Let's clean this up.
2016-04-12tests: make sure test-path-lookup can run even when no units are installed ↵Lennart Poettering
on test system
2016-04-12test: bump up log level for install root testLennart Poettering
2016-04-12core: rework logic to drop duplicate and non-existing items from search pathLennart Poettering
Move this into a function of its own, so that we can run it after we ran the generators, so that it takes into account removed generator dirs.
2016-04-12core: remove ManagerRunningAs enumLennart Poettering
Previously, we had two enums ManagerRunningAs and UnitFileScope, that were mostly identical and converted from one to the other all the time. The latter had one more value UNIT_FILE_GLOBAL however. Let's simplify things, and remove ManagerRunningAs and replace it by UnitFileScope everywhere, thus making the translation unnecessary. Introduce two new macros MANAGER_IS_SYSTEM() and MANAGER_IS_USER() to simplify checking if we are running in one or the user context.
2016-04-12core: rework generator dir logic, move the dirs into LookupPaths structureLennart Poettering
A long time ago – when generators where first introduced – the directories for them were randomly created via mkdtemp(). This was changed later so that they use fixed name directories now. Let's make use of this, and add the genrator dirs to the LookupPaths structure and into the unit file search path maintained in it. This has the benefit that the generator dirs are now normal part of the search path for all tools, and thus are shown in "systemctl list-unit-files" too.
2016-04-11tests: port udev-test to log_*_errno (#3015)Evgeny Vereshchagin
SYSTEMD_LOG_LEVEL=debug test/udev-test.pl is working now Also, fixes CID 1354602
2016-04-10tests: don't silently skip `test-namespace`Evgeny Vereshchagin