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authorEd Santiago <santiago@redhat.com>2021-10-18 15:00:35 -0600
committerEd Santiago <santiago@redhat.com>2021-10-19 09:18:51 -0600
commitd24ce0a33f99411330d5d0686f6ee63c9dfdb68c (patch)
treeda9760d47fd78830e61fedc72325418b4c997b1c /test/system/272-system-connection.bats
parent139dca038c74256d196375ef509d1460896394ea (diff)
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Add test for system connection
First a basic (connectionless) one to make sure we 'add', 'ls', and 'rm' work; then an actual one with a service; then (if ssh to localhost is set up and works) test ssh Requires a little trickery to work around the CI definition of $PODMAN, which includes "--url /path/to/sock", which overrides podman's detection of whether to use a connection or not. Signed-off-by: Ed Santiago <santiago@redhat.com>
Diffstat (limited to 'test/system/272-system-connection.bats')
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diff --git a/test/system/272-system-connection.bats b/test/system/272-system-connection.bats
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+#!/usr/bin/env bats -*- bats -*-
+#
+# tests for podman system connection
+#
+
+load helpers
+
+# This will be set if we start a local service
+_SERVICE_PID=
+
+function setup() {
+ if ! is_remote; then
+ skip "only applicable when running remote"
+ fi
+
+ basic_setup
+}
+
+function teardown() {
+ if ! is_remote; then
+ return
+ fi
+
+ # In case test function failed to clean up
+ if [[ -n $_SERVICE_PID ]]; then
+ run kill $_SERVICE_PID
+ fi
+
+ # Aaaaargh! When running as root, 'system service' creates a tmpfs
+ # mount on $root/overlay. This in turn causes cleanup to fail.
+ mount \
+ | grep $PODMAN_TMPDIR \
+ | awk '{print $3}' \
+ | xargs -l1 --no-run-if-empty umount
+
+ # Remove all system connections
+ run_podman system connection ls --format json
+ while read name; do
+ run_podman system connection rm "$name"
+ done < <(jq -r '.[].Name' <<<"$output")
+
+ basic_teardown
+}
+
+# Helper function: invokes $PODMAN (which is podman-remote) _without_ --url opt
+#
+# Needed because, in CI, PODMAN="/path/to/podman-remote --url /path/to/socket"
+# which of course overrides podman's detection and use of a connection.
+function _run_podman_remote() {
+ PODMAN=${PODMAN%%--url*} run_podman "$@"
+}
+
+# Very basic test, does not actually connect at any time
+@test "podman system connection - basic add / ls / remove" {
+ run_podman system connection ls
+ is "$output" "" "system connection ls: no connections"
+
+ c1="c1_$(random_string 15)"
+ c2="c2_$(random_string 15)"
+
+ run_podman system connection add $c1 tcp://localhost:12345
+ run_podman system connection add --default $c2 tcp://localhost:54321
+ run_podman system connection ls
+ is "$output" \
+ ".*$c1[ ]\+tcp://localhost:12345[ ]\+false
+$c2[ ]\+tcp://localhost:54321[ ]\+true" \
+ "system connection ls"
+
+ # Remove default connection; the remaining one should still not be default
+ run_podman system connection rm $c2
+ run_podman system connection ls
+ is "$output" ".*$c1[ ]\+tcp://localhost:12345[ ]\+false" \
+ "system connection ls (after removing default connection)"
+
+ run_podman system connection rm $c1
+}
+
+# Test tcp socket; requires starting a local server
+@test "podman system connection - tcp" {
+ # Start server
+ _SERVICE_PORT=$(random_free_port 63000-64999)
+
+ # Add the connection, and run podman info *before* starting the service.
+ # This should fail.
+ run_podman system connection add myconnect tcp://localhost:$_SERVICE_PORT
+ # IMPORTANT NOTE: in CI, podman-remote is tested by setting PODMAN
+ # to "podman-remote --url sdfsdf". This of course overrides the default
+ # podman-remote action. Our solution: strip off the "--url xyz" part
+ # when invoking podman.
+ _run_podman_remote 125 info
+ is "$output" \
+ "Cannot connect to Podman. Please verify.*dial tcp.*connection refused" \
+ "podman info, without active service"
+
+ # Start service. Now podman info should work fine. The %%-remote*
+ # converts "podman-remote --opts" to just "podman", which is what
+ # we need for the server.
+ ${PODMAN%%-remote*} --root ${PODMAN_TMPDIR}/root \
+ --runroot ${PODMAN_TMPDIR}/runroot \
+ system service -t 99 tcp:localhost:$_SERVICE_PORT &
+ _SERVICE_PID=$!
+ wait_for_port localhost $_SERVICE_PORT
+
+ # FIXME: #12023, RemoteSocket is always /run/something
+# run_podman info --format '{{.Host.RemoteSocket.Path}}'
+# is "$output" "tcp:localhost:$_SERVICE_PORT" \
+# "podman info works, and talks to the correct server"
+
+ _run_podman_remote info --format '{{.Store.GraphRoot}}'
+ is "$output" "${PODMAN_TMPDIR}/root" \
+ "podman info, talks to the right service"
+
+ # Add another connection; make sure it does not get set as default
+ _run_podman_remote system connection add fakeconnect tcp://localhost:$(( _SERVICE_PORT + 1))
+ _run_podman_remote info --format '{{.Store.GraphRoot}}'
+ # (Don't bother checking output; we just care about exit status)
+
+ # Stop server. Use 'run' to avoid failing on nonzero exit status
+ run kill $_SERVICE_PID
+ run wait $_SERVICE_PID
+ _SERVICE_PID=
+
+ run_podman system connection rm fakeconnect
+ run_podman system connection rm myconnect
+}
+
+# If we have ssh access to localhost (unlikely in CI), test that.
+@test "podman system connection - ssh" {
+ rand=$(random_string 20)
+ echo $rand >$PODMAN_TMPDIR/testfile
+
+ # Can we actually ssh to localhost?
+ run ssh -q -o BatchMode=yes \
+ -o UserKnownHostsFile=/dev/null \
+ -o StrictHostKeyChecking=no \
+ -o CheckHostIP=no \
+ localhost \
+ cat $PODMAN_TMPDIR/testfile
+ test "$status" -eq 0 || skip "cannot ssh to localhost"
+ is "$output" "$rand" "weird! ssh worked, but could not cat local file"
+
+ # OK, ssh works.
+ # Create a new connection, over ssh, but using existing socket file
+ # (Remember, we're already podman-remote, there's a service running)
+ run_podman info --format '{{.Host.RemoteSocket.Path}}'
+ local socketpath="$output"
+ run_podman system connection add --socket-path "$socketpath" \
+ mysshcon ssh://localhost
+ is "$output" "" "output from system connection add"
+
+ # debug logs will confirm that we use ssh connection
+ _run_podman_remote --log-level=debug info --format '{{.Host.RemoteSocket.Path}}'
+ is "$output" ".*msg=\"SSH Agent Key .*" "we are truly using ssh"
+
+ # Clean up
+ run_podman system connection rm mysshconn
+}
+
+# vim: filetype=sh