Improves google-cloud-storage performance

And also fixes the build by providing a 'alpine version'
of the google/crc32c library, which google-crc32c and
google-cloud-storage and ultimately django-storages[google]
depend on.

Dockerfile

@@ -6,15 +6,18 @@ RUN apk add --no-cache \
       build-base \
       cargo \
       ca-certificates \
+      cmake \
       cyrus-sasl-dev \
+      git \
       graphviz \
       jpeg-dev \
       libevent-dev \
       libffi-dev \
-      openssl-dev \
       libxslt-dev \
+      make \
       musl-dev \
       openldap-dev \
+      openssl-dev \
       postgresql-dev \
       py3-pip \
       python3-dev \
@@ -24,6 +27,20 @@ RUN apk add --no-cache \
       setuptools \
       wheel
 
+# Build libcrc32c for google-crc32c python module
+RUN git clone https://github.com/google/crc32c \
+    && cd crc32c \
+    && git submodule update --init --recursive \
+    && mkdir build \
+    && cd build \
+    && cmake \
+        -DCMAKE_BUILD_TYPE=Release \
+        -DCRC32C_BUILD_TESTS=no \
+        -DCRC32C_BUILD_BENCHMARKS=no \
+        -DBUILD_SHARED_LIBS=yes \
+        .. \
+    && make all install
+
 ARG NETBOX_PATH
 COPY ${NETBOX_PATH}/requirements.txt requirements-container.txt /
 RUN /opt/netbox/venv/bin/pip install \
@@ -55,6 +72,9 @@ RUN apk add --no-cache \
 
 WORKDIR /opt
 
+COPY --from=builder /usr/local/lib/libcrc32c.* /usr/local/lib/
+COPY --from=builder /usr/local/include/crc32c /usr/local/include
+COPY --from=builder /usr/local/lib/cmake/Crc32c /usr/local/lib/cmake/
 COPY --from=builder /opt/netbox/venv /opt/netbox/venv
 
 ARG NETBOX_PATH

requirements-container.txt

@@ -1,5 +1,5 @@
 napalm==3.3.1
 ruamel.yaml==0.17.16
 django-auth-ldap==3.0.0
-google-crc32c==1.1.2
+google-crc32c==1.1.4
 django-storages[azure,boto3,dropbox,google,libcloud,sftp]==1.11.1