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authorYiqiao Pu <ypu@redhat.com>2021-03-17 23:31:26 +0800
committerYiqiao Pu <ypu@redhat.com>2021-06-08 00:25:42 +0800
commit17193e4689c6b651cea3b8fae59e45f6f337f3e7 (patch)
treeec89e0238d1a522968d329f2247e51e5e0806e78 /test/system
parentf7233a2da7fe79075ade9f34adc702c5d2eb76bc (diff)
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System test: Add podman auto-update related test cases
Add some cases for podman auto-update: 1. Test with different value for label io.containers.autoupdate 2. Run podman auto-update as systemd timer Signed-off-by: Yiqiao Pu <ypu@redhat.com>
Diffstat (limited to 'test/system')
-rw-r--r--test/system/255-auto-update.bats279
1 files changed, 279 insertions, 0 deletions
diff --git a/test/system/255-auto-update.bats b/test/system/255-auto-update.bats
new file mode 100644
index 000000000..59f53f775
--- /dev/null
+++ b/test/system/255-auto-update.bats
@@ -0,0 +1,279 @@
+#!/usr/bin/env bats -*- bats -*-
+#
+# Tests for automatically update images for containerized services
+#
+
+load helpers
+
+UNIT_DIR="/usr/lib/systemd/system"
+SNAME_FILE=$BATS_TMPDIR/services
+
+function setup() {
+ skip_if_remote "systemd tests are meaningless over remote"
+ skip_if_rootless
+
+ basic_setup
+}
+
+function teardown() {
+ while read line; do
+ if [[ "$line" =~ "podman-auto-update" ]]; then
+ echo "Stop timer: $line.timer"
+ systemctl stop $line.timer
+ systemctl disable $line.timer
+ else
+ systemctl stop $line
+ fi
+ rm -f $UNIT_DIR/$line.{service,timer}
+ done < $SNAME_FILE
+
+ rm -f $SNAME_FILE
+ run_podman ? rmi quay.io/libpod/alpine:latest
+ run_podman ? rmi quay.io/libpod/alpine_nginx:latest
+ run_podman ? rmi quay.io/libpod/localtest:latest
+ basic_teardown
+}
+
+# This functions is used for handle the basic step in auto-update related
+# tests. Including following steps:
+# 1. Generate a random container name and echo it to output.
+# 2. Tag the fake image before test
+# 3. Start a container with io.containers.autoupdate
+# 4. Generate the service file from the container
+# 5. Remove the origin container
+# 6. Start the container from service
+function generate_service() {
+ target_img_basename=$1
+ autoupdate=$2
+
+ # Please keep variable name for cname and ori_image. The
+ # scripts will use them directly in following tests.
+ cname=c_$(random_string)
+ target_img="quay.io/libpod/$target_img_basename:latest"
+ run_podman tag $IMAGE $target_img
+ if [[ -n "$autoupdate" ]]; then
+ label="--label io.containers.autoupdate=$autoupdate"
+ else
+ label=""
+ fi
+ run_podman run -d --name $cname $label $target_img top -d 120
+
+ run_podman generate systemd --new $cname
+ echo "$output" > "$UNIT_DIR/container-$cname.service"
+ echo "container-$cname" >> $SNAME_FILE
+ run_podman rm -f $cname
+
+ systemctl daemon-reload
+ systemctl start container-$cname
+ systemctl status container-$cname
+
+ run_podman inspect --format "{{.Image}}" $cname
+ ori_image=$output
+}
+
+function _wait_service_ready() {
+ local sname=$1
+
+ local timeout=6
+ while [[ $timeout -gt 1 ]]; do
+ run systemctl is-active $sname
+ if [[ $output == "active" ]]; then
+ return
+ fi
+ sleep 1
+ let timeout=$timeout-1
+ done
+
+ # Print serivce status as debug information before failed the case
+ systemctl status $sname
+ die "Timed out waiting for $sname to start"
+}
+
+function _confirm_update() {
+ local sname=$1
+
+ local timeout=6
+ last_log=""
+ while [[ $timeout -gt 1 ]]; do
+ run journalctl -u $sname -n 10
+ if [[ "$output" == "$last_log" ]]; then
+ return
+ fi
+ last_log=$output
+ sleep 1
+ let timeout=$timeout-1
+ done
+
+ die "Timed out waiting for $sname to update"
+}
+
+# This test can fail in dev. environment because of SELinux.
+# quick fix: chcon -t container_runtime_exec_t ./bin/podman
+@test "podman auto-update - label io.containers.autoupdate=image" {
+ run_podman images
+ generate_service alpine image
+
+ _wait_service_ready container-$cname.service
+ run_podman ps -a
+ run_podman auto-update
+ is "$output" "Trying to pull.*" "Image is updated."
+ run_podman ps -a
+ _confirm_update container-$cname.service
+ run_podman inspect --format "{{.Image}}" $cname
+ [[ "$output" != "$ori_image" ]]
+}
+
+@test "podman auto-update - label io.containers.autoupdate=disabled" {
+ generate_service alpine disabled
+
+ _wait_service_ready container-$cname.service
+ run_podman ps -a
+ run_podman auto-update
+ is "$output" "" "Image is not updated with disabled."
+ run_podman ps -a
+ _confirm_update container-$cname.service
+ run_podman inspect --format "{{.Image}}" $cname
+ is "$output" "$ori_image" "Image hash should not changed."
+}
+
+@test "podman auto-update - label io.containers.autoupdate=fakevalue" {
+ fakevalue=$(random_string)
+ generate_service alpine $fakevalue
+
+ _wait_service_ready container-$cname.service
+ run_podman ps -a
+ run_podman ? auto-update
+ is "$output" ".*invalid auto-update policy.*" "invalid policy setup"
+ run_podman ps -a
+ _confirm_update container-$cname.service
+ run_podman inspect --format "{{.Image}}" $cname
+ is "$output" "$ori_image" "Image hash should not changed."
+}
+
+@test "podman auto-update - label io.containers.autoupdate=local" {
+ generate_service localtest local
+ podman commit --change CMD=/bin/bash $cname quay.io/libpod/localtest:latest
+
+ _wait_service_ready container-$cname.service
+ run_podman ps -a
+ run_podman auto-update
+ run_podman ps -a
+ _confirm_update container-$cname.service
+ run_podman inspect --format "{{.Image}}" $cname
+ [[ "$output" != "$ori_image" ]]
+}
+
+@test "podman auto-update with multiple services" {
+ fakevalue=$(random_string)
+ run_podman inspect --format "{{.Id}}" $IMAGE
+ img_id="$output"
+ cnames=()
+ local -A expect_update
+ local -A will_update=([image]=1 [registry]=1 [local]=1)
+
+ for auto_update in image registry "" disabled "''" $fakevalue local
+ do
+ img_base="alpine"
+ if [[ $auto_update == "registry" ]]; then
+ img_base="alpine_nginx"
+ elif [[ $auto_update == "local" ]]; then
+ img_base="localtest"
+ fi
+ generate_service $img_base $auto_update
+ cnames+=($cname)
+ if [[ $auto_update == "local" ]]; then
+ local_cname=$cname
+ fi
+ if [[ -n "$auto_update" && -n "${will_update[$auto_update]}" ]]; then
+ expect_update[$cname]=1
+ fi
+ done
+
+ # Only check the last service is started. Previous services should already actived.
+ _wait_service_ready container-$cname.service
+ run_podman commit --change CMD=/bin/bash $local_cname quay.io/libpod/localtest:latest
+ run_podman ? auto-update
+ update_log=$output
+ for cname in "${cnames[@]}"; do
+ _confirm_update container-$cname.service
+ done
+ count=0
+ while read line; do
+ if [[ "$line" =~ "Trying to pull" ]]; then
+ ((count+=1))
+ fi
+ done <<< "$update_log"
+ is "$update_log" ".*invalid auto-update policy.*" "invalid policy setup"
+ is "$update_log" ".*1 error occurred.*" "invalid policy setup"
+ is "$count" "2" "There are two images being updated from registry."
+
+ for cname in "${!expect_update[@]}"; do
+
+ is "$update_log" ".*$cname.*" "container with auto-update policy image updated"
+ done
+
+ for cname in "${cnames[@]}"; do
+ run_podman inspect --format "{{.Image}}" $cname
+ if [[ -n "${expect_update[$cname]}" ]]; then
+ [[ "$output" != "$img_id" ]]
+ else
+ is "$output" "$img_id" "Image should not be changed."
+ fi
+ done
+}
+
+@test "podman auto-update using systemd" {
+ generate_service alpine image
+
+ cat >$UNIT_DIR/podman-auto-update-$cname.timer <<EOF
+[Unit]
+Description=Podman auto-update testing timer
+
+[Timer]
+OnCalendar=*-*-* *:*:0/2
+Persistent=true
+
+[Install]
+WantedBy=timers.target
+EOF
+ cat >$UNIT_DIR/podman-auto-update-$cname.service <<EOF
+[Unit]
+Description=Podman auto-update testing service
+Documentation=man:podman-auto-update(1)
+Wants=network.target
+After=network-online.target
+
+[Service]
+Type=oneshot
+ExecStart=/usr/bin/podman auto-update
+
+[Install]
+WantedBy=multi-user.target default.target
+EOF
+
+ echo "podman-auto-update-$cname" >> $SNAME_FILE
+ systemctl enable --now podman-auto-update-$cname.timer
+ systemctl list-timers --all
+
+ count=0
+ failed_start=1
+ while [ $count -lt 120 ]; do
+ run journalctl -n 15 -u podman-auto-update-$cname.service
+ if [[ "$output" =~ "Finished Podman auto-update testing service" ]]; then
+ failed_start=0
+ break
+ fi
+ ((count+=1))
+ sleep 1
+ done
+ echo $output
+
+ _confirm_update container-$cname.service
+ run_podman inspect --format "{{.Image}}" $cname
+ if [[ $failed_start == 1 ]]; then
+ die "Failed to get podman auto-update service finished"
+ fi
+ [[ "$output" != "$ori_image" ]]
+}
+
+# vim: filetype=sh