restic: add some tests

Vagrantfile

@@ -27,6 +27,7 @@ Vagrant.configure("2") do |config|
       systemctl reload sshd
       echo -e "vagrant\nvagrant" | passwd vagrant
       chown vagrant: /var/backups
+      wget -q https://github.com/restic/rest-server/releases/download/v0.10.0/rest-server_0.10.0_linux_amd64.tar.gz -O - | tar -xz -C /usr/local/bin --strip-components=1
     SHELL
   end
 

test/common.bash

@@ -141,6 +141,10 @@ remote_command() {
     ssh "${BN_REMOTEUSER}@${BN_REMOTEHOST}" "$1"
 }
 
+remote_background_command() {
+    ssh -f "${BN_REMOTEUSER}@${BN_REMOTEHOST}" "$1"
+}
+
 # remove backup test artifacts
 cleanup_backups() {
     for c in "$@"; do

test/restic.bats

+load common
+
+begin_restic() {
+    if [ ! -d "$BN_SRCDIR" ]; then
+        apt -qq install debootstrap
+        debootstrap --variant=minbase testing "$BN_SRCDIR"
+    fi
+
+    [ -x "$(which restic)" ] || apt -qq install restic
+
+    remote_background_command "/usr/local/bin/rest-server --no-auth --path ${BN_BACKUPDIR}"
+}
+
+setup_restic() {
+    export RESTICREPO="${BN_BACKUPDIR}/testrestic"
+
+    cat << EOF > "${BATS_TMPDIR}/backup.d/test.restic"
+when = manual
+
+[general]
+nicelevel =
+ionicelevel =
+repository = ${RESTICREPO}
+password = 123test
+run_backup = yes
+
+[backup]
+init = yes
+include = ${BN_SRCDIR}
+exclude = ${BN_SRCDIR}/var
+EOF
+
+    chmod 0640 "${BATS_TMPDIR}/backup.d/test.restic"
+    rm -rf /root/.cache/restic
+}
+
+finish_restic() {
+    remote_command 'kill $(pgrep -u 1000 rest-server)'
+    cleanup_backups local remote
+    rm -rf /root/.cache/restic
+}
+
+init_repo() {
+    if [ "$1" = "remote" ]; then
+        cleanup_backups remote
+        remote_command "restic init --repo ${RESTICREPO} <<<123test"
+    else
+        cleanup_backups local
+        restic init --repo "${RESTICREPO}" <<<123test
+    fi
+}
+
+@test "check connection test, local repository" {
+    local badrepo="${BN_BACKUPDIR}foo/bar"
+    local goodrepo="${RESTICREPO}"
+
+    # invalid repo
+    setconfig general repository "$badrepo"
+    setconfig backup init no
+    testaction
+    greplog "Info: Attempting to connect to repository at ${badrepo}$"
+    greplog "Fatal: The specified repository is absent or unusable!$"
+
+    # valid repo
+    init_repo local
+    setconfig general repository "${goodrepo}"
+    setconfig backup init no
+    testaction
+    greplog "Info: Attempting to connect to repository at ${goodrepo}$"
+    greplog "Info: Connected successfully.$"
+}
+
+@test "check connection test, rest repository" {
+    local badrepo="rest:http://foo@bar:8000/testrestic"
+    local okrepo="rest:http://${BN_REMOTEUSER}@${BN_REMOTEHOST}:8000/testrestic"
+
+    # invalid repo
+    setconfig general repository "$badrepo"
+    setconfig backup init no
+    testaction
+    greplog "Info: Attempting to connect to repository at ${badrepo}$"
+    greplog "Fatal: The specified repository is absent or unusable!$"
+
+    # valid repo
+    init_repo remote
+    setconfig general repository "${okrepo}"
+    setconfig backup init no
+    testaction
+    greplog "Info: Attempting to connect to repository at ${okrepo}$"
+    greplog "Info: Connected successfully.$"
+}
+
+@test "check config parameter general/nicelevel" {
+    # nicelevel is 0 by default
+    delconfig general nicelevel
+    testaction
+    not_greplog 'Debug: executing restic backup$' '\bnice -n\b'
+
+    # nicelevel is defined
+    setconfig general nicelevel -19
+    testaction
+    greplog 'Debug: executing restic backup$' '\bnice -n -19\b'
+}
+
+@test "check config parameter general/ionicelevel" {
+    # no ionice by default
+    delconfig general ionicelevel
+    testaction
+    not_greplog 'Debug: executing restic backup$' '\bionice -c2\b'
+
+    # acceptable value
+    setconfig general ionicelevel 7
+    testaction
+    greplog 'Debug: executing restic backup$' '\bionice -c2 -n 7\b'
+
+    # unacceptable value
+    setconfig general ionicelevel 10
+    testaction
+    greplog 'Fatal: The value of ionicelevel is expected to be either empty or an integer from 0 to 7. Got: 10$'
+}
+
+@test "check config parameter backup/include" {
+    local cmd="restic backup --repo ${RESTICREPO}"
+
+    # undefined, raises fatal error
+    delconfig backup include
+    testaction
+    greplog "Fatal: No files or directories specified for backup.$"
+
+    # single value
+    setconfig backup include "$BN_SRCDIR"
+    testaction
+    greplog 'Debug: executing restic backup$' "\b${cmd} '${BN_SRCDIR}'\s"
+
+    # mutliple values
+    setconfig_repeat backup include "$BN_SRCDIR" "/home"
+    testaction
+    greplog 'Debug: executing restic backup$' "\b${cmd} '${BN_SRCDIR}' '/home'\s"
+
+    # with spaces
+    delconfig backup include
+    setconfig backup include "/home/foo/My Documents"
+    testaction
+    cat ${BATS_TMPDIR}/backup.d/test.restic
+    greplog 'Debug: executing restic backup$' "\b${cmd} '/home/foo/My Documents'\s"
+
+    # with glob (though restic doesn't support it)
+    delconfig backup include
+    setconfig backup include "/etc/*"
+    testaction
+    cat ${BATS_TMPDIR}/backup.d/test.restic
+    greplog 'Debug: executing restic backup$' "\b${cmd} '/etc/\*'\s"
+}
+
+@test "check config parameter backup/exclude" {
+    local cmd="restic backup --repo ${RESTICREPO} '${BN_SRCDIR}' --exclude ${RESTICREPO}"
+
+    # undefined
+    delconfig backup exclude
+    testaction
+    greplog 'Debug: executing restic backup$' "${cmd}"
+
+    # single value
+    setconfig backup exclude "${BN_SRCDIR}/var"
+    testaction
+    greplog 'Debug: executing restic backup$' "\b${cmd} --exclude '${BN_SRCDIR}/var'"
+
+    # mutliple values
+    setconfig_repeat backup exclude "${BN_SRCDIR}/var" "/home"
+    testaction
+    greplog 'Debug: executing restic backup$' "\b${cmd} --exclude '${BN_SRCDIR}/var' --exclude '/home'"
+
+    # with spaces
+    delconfig backup exclude
+    setconfig backup exclude "/home/foo/My Documents"
+    testaction
+    cat ${BATS_TMPDIR}/backup.d/test.restic
+    greplog 'Debug: executing restic backup$' "\b${cmd} --exclude '/home/foo/My Documents'"
+
+    # with glob (though restic doesn't support it)
+    delconfig backup exclude
+    setconfig backup exclude "/etc/*"
+    testaction
+    cat ${BATS_TMPDIR}/backup.d/test.restic
+    greplog 'Debug: executing restic backup$' "\b${cmd} --exclude '/etc/\*'"
+}
+
+@test "run local backup" {
+    init_repo
+    setconfig general run_backup yes
+    runaction
+    greplog 'Info: Restic backup successful.$'
+}
+
+@test "run local forget" {
+    setconfig general run_forget yes
+    runaction
+    greplog 'Info: Restic forget successful.$'
+}
+
+@test "run local prune" {
+    setconfig general run_prune yes
+    runaction
+    greplog 'Info: Restic prune successful.$'
+}
+
+@test "run local check" {
+    setconfig general run_check yes
+    runaction
+    greplog 'Info: Restic check successful.$'
+}
+
+@test "run remote backup" {
+    local remote="http://${BN_REMOTEUSER}@${BN_REMOTEHOST}:8000/testrestic"
+    setconfig general repository "rest:${remote}"
+    setconfig general run_backup yes
+    runaction
+    greplog 'Info: Restic backup successful.$'
+}