add openssl

Dockerfile

@@ -30,6 +30,7 @@ RUN apt-get update \
         python-minimal \
         ca-certificates \
         openssh-client \
+        openssl \
     && rm -rf /var/cache/apk/* \
     && rm -rf /var/lib/apt/lists/*
 

Dockerfile.alpine

@@ -23,7 +23,7 @@ ENV ANSIBLE_HOST_KEY_CHECKING=False \
 COPY --from=builder /opt/tower /opt/tower
 
 # install systemv packages
-RUN  apk add --update ca-certificates openssh-client vim sqlite curl git libffi
+RUN  apk add --update ca-certificates openssh-client vim sqlite curl git libffi openssl
 
 WORKDIR /opt/tower
 

tower/models/service.py

@@ -26,6 +26,7 @@ class Service(Model):
     pool = ForeignKeyField(Pool, null=True)
     node = ForeignKeyField(Node)
     n_instances = IntegerField(default=0)
+    #n_backup_services = IntegerField(default=0)
     loglevel = CharField(default="info", choices=[
         "notset",
         "debug",