Merge pull request #16985 from ashley-cui/attachsig

Support sig-proxy for podman-remote attach and start

test/system/032-sig-proxy.bats

@@ -2,32 +2,38 @@
 
 load helpers
 
-@test "podman sigkill" {
-    $PODMAN run -i --name foo $IMAGE sh -c 'trap "echo BYE;exit 0" INT;echo READY;while :;do sleep 0.1;done' &
-    local kidpid=$!
+# Command to run in each of the tests.
+SLEEPLOOP='trap "echo BYE;exit 0" INT;echo READY;while :;do sleep 0.1;done'
+
+# Main test code: wait for container to exist and be ready, send it a
+# signal, wait for container to acknowledge and exit.
+function _test_sigproxy() {
+    local cname=$1
+    local kidpid=$2
 
     # Wait for container to appear
     local timeout=5
     while :;do
           sleep 0.5
-          run_podman '?' container exists foo
+          run_podman '?' container exists $cname
           if [[ $status -eq 0 ]]; then
               break
           fi
           timeout=$((timeout - 1))
           if [[ $timeout -eq 0 ]]; then
-              die "Timed out waiting for container to start"
+              die "Timed out waiting for container $cname to start"
           fi
     done
 
-    wait_for_ready foo
+    # Now that container exists, wait for it to declare itself READY
+    wait_for_ready $cname
 
     # Signal, and wait for container to exit
     kill -INT $kidpid
     local timeout=10
     while :;do
           sleep 0.5
-          run_podman logs foo
+          run_podman logs $cname
           if [[ "$output" =~ BYE ]]; then
               break
           fi
@@ -37,7 +43,37 @@ load helpers
           fi
     done
 
-    run_podman rm -f -t0 foo
+    run_podman rm -f -t0 $cname
+}
+
+# Each of the tests below does some setup, then invokes the above helper.
+
+@test "podman sigproxy test: run" {
+    # We're forced to use $PODMAN because run_podman cannot be backgrounded
+    $PODMAN run -i --name c_run $IMAGE sh -c "$SLEEPLOOP" &
+    local kidpid=$!
+
+    _test_sigproxy c_run $kidpid
+}
+
+@test "podman sigproxy test: start" {
+    run_podman create --name c_start $IMAGE sh -c "$SLEEPLOOP"
+
+    # See above comments regarding $PODMAN and backgrounding
+    $PODMAN start --attach c_start &
+    local kidpid=$!
+
+    _test_sigproxy c_start $kidpid
+}
+
+@test "podman sigproxy test: attach" {
+    run_podman run -d --name c_attach $IMAGE sh -c "$SLEEPLOOP"
+
+    # See above comments regarding $PODMAN and backgrounding
+    $PODMAN attach c_attach &
+    local kidpid=$!
+
+    _test_sigproxy c_attach $kidpid
 }
 
 # vim: filetype=sh