Compare commits
| Author | SHA1 | Date | |
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fe70100959 | ||
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5ed2d33124 |
+20
-2
@@ -182,6 +182,16 @@ func shellQuoteArgs(args []string) string {
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// app-cliente image.
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const updaterPollIntervalSeconds = 300
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// buildRecreateCmd takes the app-cliente run argv (built with the wizard-time port) and
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// swaps the baked-in port for a `$PORT` shell reference, so the poll script's recreate
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// step uses whatever port it reads live from the container (see the PORT= line in
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// RunUpdaterDockerContainer) instead of always replaying the port typed into the wizard.
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func buildRecreateCmd(recreateArgs []string, wizardPort string) string {
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wizardPortArg := shellQuote(fmt.Sprintf("%s:%d", wizardPort, containerAppPort))
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livePortArg := fmt.Sprintf(`"$PORT:%d"`, containerAppPort)
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return strings.Replace("docker "+shellQuoteArgs(recreateArgs), wizardPortArg, livePortArg, 1)
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}
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// RunUpdaterDockerContainer starts a tiny self-contained auto-updater for the
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// app-dono-cliente container: no third-party updater project, just the official
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// `docker:cli` image running a poll loop (docker pull, compare image IDs, recreate on
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@@ -192,6 +202,11 @@ const updaterPollIntervalSeconds = 300
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// It mounts the docker socket (to pull/recreate) and the host's docker config.json
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// (written by the StepDockerLogin `docker login`) so `docker pull` can authenticate
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// against the private registry.
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//
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// The recreate command reuses appClienteRunArgs' host port only as a fallback: at
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// recreate time the script re-reads the live container's actual published port via
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// `docker inspect`, so a port changed by hand after install survives an auto-update
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// instead of being silently reverted to whatever was typed into the wizard.
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func RunUpdaterDockerContainer(appImage, appContainerName, configPath, configDestinationPath string, cv ConfigValues) error {
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updaterName := "app-dono-updater"
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@@ -211,7 +226,7 @@ func RunUpdaterDockerContainer(appImage, appContainerName, configPath, configDes
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if err != nil {
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return err
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}
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recreateCmd := "docker " + shellQuoteArgs(recreateArgs)
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recreateCmd := buildRecreateCmd(recreateArgs, cv.Server["port"])
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script := fmt.Sprintf(`set -e
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IMAGE=%s
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@@ -221,13 +236,15 @@ while true; do
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CURRENT=$(docker inspect --format '{{.Image}}' "$NAME" 2>/dev/null || true)
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LATEST=$(docker inspect --format '{{.Id}}' "$IMAGE" 2>/dev/null || true)
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if [ -n "$LATEST" ] && [ "$CURRENT" != "$LATEST" ]; then
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PORT=$(docker inspect --format '{{(index (index .NetworkSettings.Ports "%d/tcp") 0).HostPort}}' "$NAME" 2>/dev/null || true)
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if [ -z "$PORT" ]; then PORT=%s; fi
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docker stop "$NAME" >/dev/null 2>&1 || true
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docker rm "$NAME" >/dev/null 2>&1 || true
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%s
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fi
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sleep %d
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done
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`, shellQuote(appImage), shellQuote(appContainerName), recreateCmd, updaterPollIntervalSeconds)
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`, shellQuote(appImage), shellQuote(appContainerName), containerAppPort, shellQuote(cv.Server["port"]), recreateCmd, updaterPollIntervalSeconds)
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args := []string{
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"run", "-d",
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@@ -235,6 +252,7 @@ done
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"--restart", "unless-stopped",
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"-v", "/var/run/docker.sock:/var/run/docker.sock",
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"-v", fmt.Sprintf("%s:/config.json", dockerConfigPath),
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"-e", "DOCKER_CONFIG=/",
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"--log-opt", "max-size=5m",
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"--log-opt", "max-file=1",
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"--entrypoint", "sh",
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@@ -39,3 +39,35 @@ func TestShellQuoteArgsRoundTrip(t *testing.T) {
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}
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}
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}
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// TestBuildRecreateCmdUsesLivePort guards against the updater silently reverting a host
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// port that was changed by hand after install: the recreate command must reference the
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// live $PORT read at recreate time, not replay the port typed into the wizard.
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func TestBuildRecreateCmdUsesLivePort(t *testing.T) {
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if _, err := exec.LookPath("sh"); err != nil {
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t.Skip("sh not available")
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}
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args := []string{"run", "-d", "-p", "9999:8080", "--name", "app-dono-cliente"}
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cmd := buildRecreateCmd(args, "9999")
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if strings.Contains(cmd, "9999:8080") {
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t.Fatalf("recreate command still contains the wizard-time port literal: %s", cmd)
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}
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if !strings.Contains(cmd, `"$PORT:8080"`) {
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t.Fatalf("recreate command missing live $PORT reference: %s", cmd)
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}
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// Swap the leading `docker` for `printf` so we can inspect the argv sh would have
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// passed to docker, with PORT set as the poll script would set it live.
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script := "PORT=8081\n" + strings.Replace(cmd, "docker ", "printf '%s\\n' ", 1)
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out, err := exec.Command("sh", "-c", script).Output()
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if err != nil {
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t.Fatalf("sh failed: %v", err)
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}
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got := strings.Split(strings.TrimRight(string(out), "\n"), "\n")
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want := []string{"run", "-d", "-p", "8081:8080", "--name", "app-dono-cliente"}
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if !reflect.DeepEqual(got, want) {
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t.Errorf("got %v, want %v", got, want)
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}
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}
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Executable
+76
@@ -0,0 +1,76 @@
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#!/bin/sh
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# Manual fallback for tenants where the tuio installer's "run updater" step can't be
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# used. Creates/recreates app-dono-updater: a poll loop (docker:cli, no third-party
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# updater) that pulls app-dono-cliente's :latest image every 5 minutes and recreates the
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# container when the image changes. Mirrors tuio's RunUpdaterDockerContainer /
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# appClienteRunArgs (internal/tui/docker.go) -- keep the two in sync if either changes.
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#
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# Run this ON the tenant host, with app-dono-cliente already running. All of its run
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# args (port, uid:gid, mounts, network, seccomp) are read live from the running
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# container -- both now and every time the updater recreates it -- so nothing needs
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# hand-editing per tenant and nothing baked-in goes stale if the container is ever
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# changed by hand later (e.g. a manually remapped host port survives an auto-update).
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set -e
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APP_IMAGE="hub.davinti.com.br:443/app-dono/app-cliente:latest"
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APP_NAME="app-dono-cliente"
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UPDATER_NAME="app-dono-updater"
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UPDATER_IMAGE="docker:cli"
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POLL_INTERVAL="${POLL_INTERVAL:-300}"
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DOCKER_CONFIG_HOST="${DOCKER_CONFIG_HOST:-$HOME/.docker/config.json}"
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if ! docker inspect "$APP_NAME" >/dev/null 2>&1; then
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echo "error: $APP_NAME is not running here -- start it first" >&2
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exit 1
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fi
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if [ ! -f "$DOCKER_CONFIG_HOST" ]; then
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echo "error: $DOCKER_CONFIG_HOST not found -- run 'docker login' for the registry first" >&2
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exit 1
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fi
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docker rm -f "$UPDATER_NAME" >/dev/null 2>&1 || true
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docker pull "$UPDATER_IMAGE" >/dev/null
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# The container is inspected again inside the poll loop on every recreate (not just
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# here), so this whole block runs live in the updater container, not just once now.
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POLL_SCRIPT=$(cat <<SCRIPT
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set -e
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IMAGE='$APP_IMAGE'
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NAME='$APP_NAME'
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while true; do
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docker pull "\$IMAGE" >/dev/null 2>&1 || true
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CURRENT=\$(docker inspect --format '{{.Image}}' "\$NAME" 2>/dev/null || true)
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LATEST=\$(docker inspect --format '{{.Id}}' "\$IMAGE" 2>/dev/null || true)
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if [ -n "\$LATEST" ] && [ "\$CURRENT" != "\$LATEST" ]; then
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PORT=\$(docker inspect --format '{{(index (index .NetworkSettings.Ports "8080/tcp") 0).HostPort}}' "\$NAME")
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UIDGID=\$(docker inspect --format '{{.Config.User}}' "\$NAME")
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NET=\$(docker inspect --format '{{range \$k, \$v := .NetworkSettings.Networks}}{{\$k}}{{end}}' "\$NAME")
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CONFMNT=\$(docker inspect --format '{{range .Mounts}}{{if eq .Destination "/app/config.toml"}}{{.Source}}{{end}}{{end}}' "\$NAME")
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CERTMNT=\$(docker inspect --format '{{range .Mounts}}{{if eq .Destination "/app/certs"}}{{.Source}}{{end}}{{end}}' "\$NAME")
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SECFLAG=""
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case \$(docker inspect --format '{{json .HostConfig.SecurityOpt}}' "\$NAME") in
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*seccomp=unconfined*) SECFLAG="--security-opt seccomp=unconfined" ;;
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esac
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docker stop "\$NAME" >/dev/null 2>&1 || true
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docker rm "\$NAME" >/dev/null 2>&1 || true
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docker run -d -u "\$UIDGID" -p "\$PORT:8080" --name "\$NAME" --network "\$NET" --restart unless-stopped -v "\$CONFMNT:/app/config.toml" -v "\$CERTMNT:/app/certs" \$SECFLAG "\$IMAGE"
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fi
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sleep $POLL_INTERVAL
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done
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SCRIPT
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)
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docker run -d \
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--name "$UPDATER_NAME" \
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--restart unless-stopped \
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-v /var/run/docker.sock:/var/run/docker.sock \
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-v "$DOCKER_CONFIG_HOST:/config.json" \
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-e DOCKER_CONFIG=/ \
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--log-opt max-size=5m \
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--log-opt max-file=1 \
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--entrypoint sh \
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"$UPDATER_IMAGE" \
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-c "$POLL_SCRIPT"
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echo "app-dono-updater created for $APP_NAME."
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