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https://github.com/troglobit/finit.git
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Joachim Wiberg
f15e95d1cc
A run/task/service whose command starts like an option without a ':'
lost its command, e.g. the example in finit.conf(5):
run [2345] @joe:users logger "Hello world"
was registered as the log option, running "Hello world". Same for
pidof, pidproxy, cgroupfs-mount, and in block format too.
The option parser matches with MATCH_CMD(), a prefix match, also for
the options with no trailing ':' to end the prefix: log, pid, cgroup,
respawn, nowarn, and the rest.
Match these against the whole token, allowing only the separator that
starts a value: "log:", "pid:", "cgroup." and "cgroup:".
Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
124 lines
5.0 KiB
Bash
Executable File
124 lines
5.0 KiB
Bash
Executable File
#!/bin/sh
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# Verify a command list. The entries are candidates for the same
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# service and the first one whose binary resolves wins, which the
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# line-based format could only express as one stanza per candidate.
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set -eu
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TEST_DIR=$(dirname "$0")
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# shellcheck disable=SC2034
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# The first candidate is not installed, so the second one runs. This
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# is the udevd case from system/10-hotplug.conf, where the systemd
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# build of the daemon is tried before the standalone one.
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BOOTSTRAP="service pick {
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runlevel = \"S12345\"
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command = { \"/no/such/binary --daemon\", \"serv -np -i pick\" }
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}"
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# The chosen candidate is what Finit runs, so assert on that rather
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# than on process names: pgrep matches a substring, and 'serv' is one
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# of 'service.sh'.
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assert_cmd()
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{
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assert "Service $1 command == $2" \
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"$(texec initctl status "$1" | grep 'Command' | sed 's/.*Command : //')" = "$2"
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}
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test_teardown()
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{
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say "Running test teardown."
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run "rm -f $FINIT_CONF"
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}
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# shellcheck source=/dev/null
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. "$TEST_DIR/lib/setup.sh"
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say 'A missing first candidate hands the service to the next one'
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retry 'assert_num_children 1 serv'
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assert_cmd pick "serv -np -i pick"
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# With a BOOTSTRAP the test is released in runlevel S, where a reload
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# is ignored, and the rewritten file would then be picked up by the
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# runlevel change instead of the reload under test.
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say 'Waiting for bootstrap to finish before rewriting the configuration'
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retry "test \"\$(texec sh -c \"initctl runlevel | awk '{print \\\$2;}'\")\" = 2" 20 1
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# Both binaries exist here, so a plain "does it resolve" check would
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# be satisfied by either. Only order decides.
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say 'When several candidates resolve, the first one wins'
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run "echo 'service pick {' > $FINIT_CONF"
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run "echo ' command = { \"serv -np -i pick\", \"service.sh\" }' >> $FINIT_CONF"
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run "echo '}' >> $FINIT_CONF"
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run "initctl reload"
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retry 'assert_cmd pick "serv -np -i pick"'
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assert_num_children 1 serv
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say 'The order is honoured the other way around too'
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run "echo 'service pick {' > $FINIT_CONF"
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run "echo ' command = { \"service.sh\", \"serv -np -i pick\" }' >> $FINIT_CONF"
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run "echo '}' >> $FINIT_CONF"
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run "initctl reload"
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retry 'assert_cmd pick "service.sh"'
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assert_num_children 1 service.sh
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# libconfuse takes a bare string for a list option, so the spelling
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# every other .conf uses has to keep working after command became one.
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say 'A single command needs no braces'
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run "echo 'service pick {' > $FINIT_CONF"
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run "echo ' description = \"Single command\"' >> $FINIT_CONF"
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run "echo ' command = \"serv -np -i pick\"' >> $FINIT_CONF"
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run "echo '}' >> $FINIT_CONF"
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run "initctl reload"
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retry 'assert_cmd pick "serv -np -i pick"'
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assert_desc "Single command" pick
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assert_num_children 1 serv
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# The description has its own setting, so a -- in the command is an
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# argument to it, see issue #512.
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say 'A -- in the command is passed on to it'
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run "echo 'service pick {' > $FINIT_CONF"
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run "echo ' description = \"Dashes\"' >> $FINIT_CONF"
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run "echo ' command = \"serv -np -i pick -- extra\"' >> $FINIT_CONF"
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run "echo '}' >> $FINIT_CONF"
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run "initctl reload"
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retry 'assert_cmd pick "serv -np -i pick -- extra"'
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assert_desc "Dashes" pick
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assert_num_children 1 serv
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# Options are matched as whole tokens, so a command that merely starts
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# like one, pidof vs. pid, is still the command.
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say 'A command named like an option is the command'
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run "echo 'task lookalike {' > $FINIT_CONF"
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run "echo ' command = \"pidof serv\"' >> $FINIT_CONF"
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run "echo '}' >> $FINIT_CONF"
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run "initctl reload"
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retry 'assert_cmd lookalike "pidof serv"'
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# A tty block takes the same list, its command is the getty to run.
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# Asserting it is loaded is enough here, a getty in the test namespace
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# has no terminal to attach to.
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say 'A tty block takes candidates too'
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run "echo 'tty console {' > $FINIT_CONF"
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run "echo ' runlevel = \"12345\"' >> $FINIT_CONF"
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run "echo ' command = { \"/no/such/getty\", \"serv -np -i ttypick\" }' >> $FINIT_CONF"
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run "echo '}' >> $FINIT_CONF"
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run "initctl reload"
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retry 'assert_cmd tty "serv -np -i ttypick"'
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# Nothing resolves, so the block is skipped the same way a single
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# missing command is. The leading - only decides whether that is
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# quiet, service_register_desc() bails before svc_new() either way.
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say 'A block whose candidates are all missing is skipped'
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run "echo 'service ghost {' > $FINIT_CONF"
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run "echo ' command = { \"-/no/such/one\", \"-/no/such/two\" }' >> $FINIT_CONF"
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run "echo '}' >> $FINIT_CONF"
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run "initctl reload"
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assert_num_services 0 ghost
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