Fix build and vendoring

The build was running glide install which installs the dependencies
found in the lock file. As a result we were running a very old version
of OPA.

These changes vendor the plugin dependencies and remove the glide step
from the build process. It's no longer required since all of the deps
are contained in the repo.

Also, remove broken plugin install from the README.

Signed-off-by: Torin Sandall <torinsandall@gmail.com>

.gitignore

@@ -3,4 +3,3 @@
 
 # Build output
 /opa-docker-authz
-/vendor

Makefile

@@ -1,7 +1,7 @@
 .PHONY: all build
 
-VERSION := 0.3
-OPA_VERSION := 0.8.0
+VERSION := 0.4
+OPA_VERSION := $(shell ./get-opa-version-from-glide.sh)
 GO_VERSION := 1.10
 REPO := openpolicyagent/opa-docker-authz
 DOCKER_VERSION := $(shell docker version --format '{{.Server.Version}}')

README.md

@@ -35,7 +35,7 @@ The following steps detail how to install the managed plugin.
 Download the `opa-docker-authz` plugin from the Docker Hub (depending on how your Docker environment is configured, you may need to execute the following commands using the `sudo` utility), and specify the location of the policy file, using the `opa-args` key, and an appropriate value:
 
 ```
-$ docker plugin install --alias opa-docker-authz openpolicyagent/opa-docker-authz-v2:0.3 opa-args="-policy-file /opa/policies/authz.rego"
+$ docker plugin install --alias opa-docker-authz openpolicyagent/opa-docker-authz-v2:0.4 opa-args="-policy-file /opa/policies/authz.rego"
 Plugin "openpolicyagent/opa-docker-authz-v2:<VERSION>" is requesting the following privileges:
  - mount: [/etc/docker]
 Do you grant the above permissions? [y/N] y
@@ -67,16 +67,6 @@ $ sudo kill -HUP $(pidof dockerd)
 
 The Docker daemon will now send authorization requests for all Docker client API calls, to the `opa-docker-authz` plugin, for evaluation.
 
-If an alternate host location is preferred for the bind mount, then it's possible to set the source during plugin installation. For example, if policy files are located in `$HOME/opa/policies`, then a policy file called `authz.rego` can be made available to the plugin, with the following:
-
-```
-$ docker plugin install --alias opa-docker-authz \
-    openpolicyagent-v2/opa-docker-authz:0.3 \
-    policy.source=$HOME/opa/policies \
-    opa-args="-policy-file /opa/authz.rego"
-
-```
-
 **Legacy Plugin**
 
 If you prefer to use the legacy plugin, it needs to be started as a container, before applying the same configuration to the Docker daemon, as detailed above:
@@ -85,7 +75,7 @@ If you prefer to use the legacy plugin, it needs to be started as a container, b
 $ docker container run -d --restart=always --name opa-docker-authz \
     -v /run/docker/plugins:/run/docker/plugins \
     -v $HOME/opa/policies:/opa \
-    openpolicyagent/opa-docker-authz:0.3 -policy-file /opa/authz.rego
+    openpolicyagent/opa-docker-authz:0.4 -policy-file /opa/authz.rego
 ```
 
 ### Logs

build.sh

@@ -2,21 +2,11 @@
 
 set -e
 
-echo "Building opa-docker-authz version: $VERSION"
-
-echo -e "\nInstalling glide ..."
-curl -s https://glide.sh/get | sh
-
-echo -e "\nInstalling all the dependencies ..."
-glide install
-
-echo -e "\nSetting OPA version to $OPA_VERSION ..."
-sed -i "s/\(  version: v\)[0-9]\.[0-9]\.[0-9]/\1$OPA_VERSION/g" glide.yaml
+echo "Building opa-docker-authz version: $VERSION (OPA version: $OPA_VERSION)"
 
 echo -e "\nBuilding opa-docker-authz ..."
 CGO_ENABLED=0 go build -ldflags \
     "-X github.com/open-policy-agent/opa-docker-authz/version.Version=$VERSION -X github.com/open-policy-agent/opa-docker-authz/version.OPAVersion=$OPA_VERSION" \
     -o opa-docker-authz
-rm -rf ./vendor
 
 echo -e "\n... done!"

get-opa-version-from-glide.sh

@@ -0,0 +1,3 @@
+#!/usr/bin/env sh
+
+grep '^- package: github.com/open-policy-agent/opa$' glide.yaml  -A 1 | grep 'version: ' | awk '{print $2}'

glide.yaml

@@ -7,4 +7,4 @@ import:
 - package: github.com/fsnotify/fsnotify
   version: 4da3e2cfbabc9f751898f250b49f2439785783a1
 - package: github.com/open-policy-agent/opa
-  version: v0.8.0
+  version: v0.9.1