a76ddf0cef
Now always based on an overlayfs:
f2773c1b55
This fixes a whole swath of problems with the previous design,
including the danger in replacing `/usr/lib/ostree-boot` which
broke booting for some people.
Further, we don't need to push a rollback deployment; the livefs
changes are always transient. So now we store livefs state
in `/run` instead of in the origin file.
Since we're doing a rewrite, it's now in Rust for much more safety.
We also always work in terms of incremental diffs between commits;
the previous huge hammer of swapping `/usr` was way too dangerous.
124 lines
4.8 KiB
Bash
Executable File
124 lines
4.8 KiB
Bash
Executable File
#!/bin/bash
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#
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# Copyright (C) 2017 Red Hat Inc.
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the
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# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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# Boston, MA 02111-1307, USA.
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set -euo pipefail
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. ${commondir}/libtest.sh
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. ${commondir}/libvm.sh
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set -x
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# We do various assertions on deployment length, need a reliably
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# clean slate.
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vm_rpmostree cleanup -pr
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vm_assert_layered_pkg foo absent
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vm_build_rpm foo
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vm_build_rpm bar
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vm_rpmostree install /var/tmp/vmcheck/yumrepo/packages/x86_64/foo-1.0-1.x86_64.rpm
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vm_assert_status_jq '.deployments|length == 2'
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echo "ok install foo locally"
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if vm_cmd rpm -q foo; then
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assert_not_reached "have foo?"
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fi
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vm_assert_status_jq '.deployments|length == 2' \
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'.deployments[0]["live-replaced"]|not' \
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'.deployments[1]["live-replaced"]|not'
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vm_rpmostree ex livefs
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vm_cmd rpm -q foo > rpmq.txt
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assert_file_has_content rpmq.txt foo-1.0-1
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vm_cmd ls -al /usr/bin/foo
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vm_assert_status_jq '.deployments|length == 2' '.deployments[0]["live-replaced"]|not' \
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'.deployments[1]["live-replaced"]'
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if vm_cmd test -w /usr; then
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fatal "Found writable /usr"
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fi
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echo "ok livefs basic"
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vm_rpmostree cleanup -p
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vm_rpmostree install bar
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vm_assert_status_jq '.deployments|length == 2' \
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'.deployments[0]["live-replaced"]|not' \
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'.deployments[1]["live-replaced"]'
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vm_rpmostree ex livefs
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vm_cmd rpm -qa > rpmq.txt
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assert_file_has_content rpmq.txt bar-1.0-1
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assert_not_file_has_content rpmq.txt foo-1.0-1
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vm_cmd ls -al /usr/bin/bar
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if vm_cmd test -f /usr/bin/foo; then
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fatal "Still have /usr/bin/foo"
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fi
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echo "ok livefs again"
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vm_build_rpm test-livefs-with-etc \
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build 'echo "A config file for %{name}" > %{name}.conf' \
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install 'mkdir -p %{buildroot}/etc
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install %{name}.conf %{buildroot}/etc
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mkdir -p %{buildroot}/etc/%{name}/
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echo subconfig-one > %{buildroot}/etc/%{name}/subconfig-one.conf
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echo subconfig-two > %{buildroot}/etc/%{name}/subconfig-two.conf
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mkdir -p %{buildroot}/etc/%{name}/subdir
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echo subconfig-three > %{buildroot}/etc/%{name}/subdir/subconfig-three.conf
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mkdir -p %{buildroot}/etc/opt
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echo file-in-opt-subdir > %{buildroot}/etc/opt/%{name}-opt.conf' \
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files "/etc/%{name}.conf
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/etc/%{name}/*
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/etc/opt/%{name}*"
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# Simulate a service that adds a user and has data in tmpfiles.d
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vm_build_rpm test-livefs-service \
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build "echo test-livefs-service > test-livefs-service.txt" \
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install "mkdir -p %{buildroot}/{usr/share,var/lib/%{name}}
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install test-livefs-service.txt %{buildroot}/usr/share" \
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pre "groupadd -r livefs-group
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useradd -r livefs-user -g livefs-group -s /sbin/nologin" \
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files "/usr/share/%{name}.txt
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/var/lib/%{name}"
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# make sure there are no config files already present
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vm_cmd rm -rf /etc/test-livefs-with-etc \
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/etc/test-livefs-with-etc.conf \
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/etc/opt/test-livefs-with-etc-opt.conf
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vm_rpmostree install /var/tmp/vmcheck/yumrepo/packages/x86_64/test-livefs-{with-etc,service}-1.0-1.x86_64.rpm
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vm_rpmostree ex livefs
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vm_cmd rpm -q bar test-livefs-{with-etc,service} > rpmq.txt
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assert_file_has_content rpmq.txt bar-1.0-1 test-livefs-{with-etc,service}-1.0-1
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vm_cmd cat /etc/test-livefs-with-etc.conf > test-livefs-with-etc.conf
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assert_file_has_content test-livefs-with-etc.conf "A config file for test-livefs-with-etc"
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for v in subconfig-one subconfig-two subdir/subconfig-three; do
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vm_cmd cat /etc/test-livefs-with-etc/${v}.conf > test-livefs-with-etc.conf
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assert_file_has_content_literal test-livefs-with-etc.conf $(basename $v)
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done
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vm_cmd cat /etc/opt/test-livefs-with-etc-opt.conf > test-livefs-with-etc.conf
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assert_file_has_content test-livefs-with-etc.conf "file-in-opt-subdir"
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# Test /usr/lib/{passwd,group} bits
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vm_cmd getent passwd livefs-user > test-livefs-user.txt
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assert_file_has_content test-livefs-user.txt livefs-user
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vm_cmd getent group livefs-group > test-livefs-group.txt
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assert_file_has_content test-livefs-group.txt livefs-group
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# Test systemd-tmpfiles
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vm_cmd test -d /var/lib/test-livefs-service
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echo "ok livefs stage2"
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