From 3886fbda39fea2bd2d6d85af594cce3ed562fd24 Mon Sep 17 00:00:00 2001
From: nu12 <34694287+nu12@users.noreply.github.com>
Date: Tue, 5 Nov 2024 09:10:53 -0500
Subject: [PATCH 1/4] Specify Docker API version

---
 .github/workflows/cd.yml         |  7 ++++---
 .github/workflows/ci.yml         |  4 ++--
 Gemfile.lock                     | 31 ++++++++++++++++---------------
 lib/docker/api/base.rb           |  1 +
 lib/docker/api/system.rb         |  6 +++---
 spec/endpoints/container_spec.rb | 12 ++++++------
 spec/endpoints/image_spec.rb     | 30 +++++++++++++++---------------
 spec/endpoints/system_spec.rb    | 12 ++++++------
 8 files changed, 53 insertions(+), 50 deletions(-)

diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index a138d55..5a84f3b 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -1,7 +1,8 @@
 name: CD
 on:
   push:
-    branches: [ main ]
+    tags:
+      - 'v*.*.*'
 
 jobs:
   release:
@@ -12,9 +13,9 @@ jobs:
     steps:
     - uses: actions/checkout@v3
     - name: Set up Ruby
-      uses: ruby/setup-ruby@21351ecc0a7c196081abca5dc55b08f085efe09a
+      uses: ruby/setup-ruby@v1
       with:
-        ruby-version: 2.6
+        ruby-version: 3.3
     - name: Setup to RubyGems
       run: |
         mkdir -p $HOME/.gem
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 84d25e7..87f108d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,9 +10,9 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: Set up Ruby
-      uses: ruby/setup-ruby@21351ecc0a7c196081abca5dc55b08f085efe09a
+      uses: ruby/setup-ruby@v1
       with:
-        ruby-version: 2.6
+        ruby-version: 3.3
     - name: Install Docker
       run: curl https://get.docker.com | sh
     - name: Install dependencies
diff --git a/Gemfile.lock b/Gemfile.lock
index b155bbe..eecaf16 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,30 +1,31 @@
 PATH
   remote: .
   specs:
-    dockerapi (0.19.0)
+    dockerapi (0.20.0)
       excon (~> 0.79)
 
 GEM
   remote: https://rubygems.org/
   specs:
-    diff-lcs (1.3)
-    excon (0.79.0)
+    diff-lcs (1.5.1)
+    excon (0.112.0)
     rake (12.3.3)
-    rspec (3.9.0)
-      rspec-core (~> 3.9.0)
-      rspec-expectations (~> 3.9.0)
-      rspec-mocks (~> 3.9.0)
-    rspec-core (3.9.2)
-      rspec-support (~> 3.9.3)
-    rspec-expectations (3.9.2)
+    rspec (3.13.0)
+      rspec-core (~> 3.13.0)
+      rspec-expectations (~> 3.13.0)
+      rspec-mocks (~> 3.13.0)
+    rspec-core (3.13.2)
+      rspec-support (~> 3.13.0)
+    rspec-expectations (3.13.3)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.9.0)
-    rspec-mocks (3.9.1)
+      rspec-support (~> 3.13.0)
+    rspec-mocks (3.13.2)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.9.0)
-    rspec-support (3.9.3)
+      rspec-support (~> 3.13.0)
+    rspec-support (3.13.1)
 
 PLATFORMS
+  arm64-darwin-23
   ruby
 
 DEPENDENCIES
@@ -33,4 +34,4 @@ DEPENDENCIES
   rspec (~> 3.0)
 
 BUNDLED WITH
-   2.1.4
+   2.5.11
diff --git a/lib/docker/api/base.rb b/lib/docker/api/base.rb
index ae79fe3..49f0c9b 100644
--- a/lib/docker/api/base.rb
+++ b/lib/docker/api/base.rb
@@ -89,6 +89,7 @@ def hash_to_params hash
     # @param path [String]: Base URL string.
     # @param hash [Hash]: Hash object to be appended to the URL as query parameters.
     def build_path path, params = {}
+        path = "/v#{Docker::API::API_VERSION}#{path}"
         params.size > 0 ? [path, hash_to_params(params)].join("?") : path
     end
 
diff --git a/lib/docker/api/system.rb b/lib/docker/api/system.rb
index 344ee8f..73a9d37 100644
--- a/lib/docker/api/system.rb
+++ b/lib/docker/api/system.rb
@@ -32,7 +32,7 @@ def events params = {}, &block
     # Docker API: GET /_ping
     # @see https://docs.docker.com/engine/api/v1.40/#operation/SystemPing
     def ping
-        @connection.get("/_ping")
+        @connection.get(build_path("/_ping"))
     end
 
     ##
@@ -41,7 +41,7 @@ def ping
     # Docker API: GET /info
     # @see https://docs.docker.com/engine/api/v1.40/#operation/SystemInfo
     def info
-        @connection.get("/info")
+        @connection.get(build_path("/info"))
     end
 
     ##
@@ -50,7 +50,7 @@ def info
     # Docker API: GET /version
     # @see https://docs.docker.com/engine/api/v1.40/#operation/SystemVersion
     def version
-        @connection.get("/version")
+        @connection.get(build_path("/version"))
     end
 
     ##
diff --git a/spec/endpoints/container_spec.rb b/spec/endpoints/container_spec.rb
index 694087f..8e69422 100644
--- a/spec/endpoints/container_spec.rb
+++ b/spec/endpoints/container_spec.rb
@@ -20,9 +20,9 @@
         end
 
         describe "request path" do
-            it { expect(subject.list( { all: true, filters: {name: {"#{name}": true}} } ).path).to eq("/containers/json?all=true&filters={\"name\":{\"#{name}\":true}}") }
-            it { expect(subject.list( { all: true, filters: {exited: {"0": true} } } ).path).to eq("/containers/json?all=true&filters={\"exited\":{\"0\":true}}") }
-            it { expect(subject.list( { all: true, filters: {status: ["running"] } } ).path).to eq("/containers/json?all=true&filters={\"status\":[\"running\"]}") }
+            it { expect(subject.list( { all: true, filters: {name: {"#{name}": true}} } ).path).to eq("/v#{Docker::API::API_VERSION}/containers/json?all=true&filters={\"name\":{\"#{name}\":true}}") }
+            it { expect(subject.list( { all: true, filters: {exited: {"0": true} } } ).path).to eq("/v#{Docker::API::API_VERSION}/containers/json?all=true&filters={\"exited\":{\"0\":true}}") }
+            it { expect(subject.list( { all: true, filters: {status: ["running"] } } ).path).to eq("/v#{Docker::API::API_VERSION}/containers/json?all=true&filters={\"status\":[\"running\"]}") }
         end
     end
 
@@ -98,7 +98,7 @@
             it { expect(subject.start(name).status).to eq(204 )}
             it { expect(subject.start("doesn-exist").status).to eq(404 )}
             it { expect(subject.start(name,  {detachKeys: "ctrl-c"}).status).to eq(204 )}
-            it { expect(subject.start(name,  {detachKeys: "ctrl-c"}).path).to eq("/containers/#{name}/start?detachKeys=ctrl-c" )}
+            it { expect(subject.start(name,  {detachKeys: "ctrl-c"}).path).to eq("/v#{Docker::API::API_VERSION}/containers/#{name}/start?detachKeys=ctrl-c" )}
             it { expect{subject.start(name,  {invalid_value: "invalid"})}.to raise_error(Docker::API::InvalidParameter )}
             it do 
                 subject.start(name)
@@ -126,7 +126,7 @@
                 it { expect(subject.kill(name).status).to be(204) }
                 it { expect(subject.kill("doesn-exist").status).to be(404) }
                 it { expect(subject.kill(name,  {signal: "SIGKILL"}).status).to eq(204) }
-                it { expect(subject.kill(name,  {signal: "SIGKILL"}).path).to eq("/containers/#{name}/kill?signal=SIGKILL") }
+                it { expect(subject.kill(name,  {signal: "SIGKILL"}).path).to eq("/v#{Docker::API::API_VERSION}/containers/#{name}/kill?signal=SIGKILL") }
                 it { expect{subject.kill(name,  {invalid_value: "invalid"})}.to raise_error(Docker::API::InvalidParameter) }
                 it do 
                     subject.stop(name)
@@ -139,7 +139,7 @@
                 it { expect(subject.restart("doesn-exist").status).to be(404) }
                 it { expect(subject.restart(name,  {t: 2}).status).to eq(204) }
                 it { expect(subject.restart(name,  {signal: "SIGINT"}).status).to eq(204) }
-                it { expect(subject.restart(name,  {t: 2}).path).to eq("/containers/#{name}/restart?t=2") }
+                it { expect(subject.restart(name,  {t: 2}).path).to eq("/v#{Docker::API::API_VERSION}/containers/#{name}/restart?t=2") }
                 it { expect{subject.restart(name,  {invalid_value: "invalid"})}.to raise_error(Docker::API::InvalidParameter) }
             end
 
diff --git a/spec/endpoints/image_spec.rb b/spec/endpoints/image_spec.rb
index dfab483..2e8afea 100644
--- a/spec/endpoints/image_spec.rb
+++ b/spec/endpoints/image_spec.rb
@@ -41,16 +41,16 @@
                 it { expect(subject.list(all: true, filters: {since: {"#{image}": true}}).status).to eq(200) }
             end
             describe "request path" do
-                it { expect(subject.list(all: true).path).to eq("/images/json?all=true") }
-                it { expect(subject.list(all: true, "shared-size": true).path).to eq("/images/json?all=true&shared-size=true") }
-                it { expect(subject.list(digests: true).path).to eq("/images/json?digests=true") }
-                it { expect(subject.list(all: true, digests: true).path).to eq("/images/json?all=true&digests=true") }
-                it { expect(subject.list(all: true, filters: {dangling: {"true": true}}).path).to eq("/images/json?all=true&filters={\"dangling\":{\"true\":true}}") }
-                it { expect(subject.list(all: true, filters: {label: {"label-here": true}}).path).to eq("/images/json?all=true&filters={\"label\":{\"label-here\":true}}") }
-                it { expect(subject.list(all: true, filters: {reference: {"#{image}": true}}).path).to eq("/images/json?all=true&filters={\"reference\":{\"#{image}\":true}}") }
-                it { expect(subject.list(all: true, filters: {before: {"#{image}": true}}).path).to eq("/images/json?all=true&filters={\"before\":{\"#{image}\":true}}") }
-                it { expect(subject.list(all: true, filters: {since: {"#{image}": true}}).path).to eq("/images/json?all=true&filters={\"since\":{\"#{image}\":true}}") }
-                it { expect(subject.list(all: true, invalid: true, skip_validation: true).path).to eq("/images/json?all=true&invalid=true") }
+                it { expect(subject.list(all: true).path).to eq("/v#{Docker::API::API_VERSION}/images/json?all=true") }
+                it { expect(subject.list(all: true, "shared-size": true).path).to eq("/v#{Docker::API::API_VERSION}/images/json?all=true&shared-size=true") }
+                it { expect(subject.list(digests: true).path).to eq("/v#{Docker::API::API_VERSION}/images/json?digests=true") }
+                it { expect(subject.list(all: true, digests: true).path).to eq("/v#{Docker::API::API_VERSION}/images/json?all=true&digests=true") }
+                it { expect(subject.list(all: true, filters: {dangling: {"true": true}}).path).to eq("/v#{Docker::API::API_VERSION}/images/json?all=true&filters={\"dangling\":{\"true\":true}}") }
+                it { expect(subject.list(all: true, filters: {label: {"label-here": true}}).path).to eq("/v#{Docker::API::API_VERSION}/images/json?all=true&filters={\"label\":{\"label-here\":true}}") }
+                it { expect(subject.list(all: true, filters: {reference: {"#{image}": true}}).path).to eq("/v#{Docker::API::API_VERSION}/images/json?all=true&filters={\"reference\":{\"#{image}\":true}}") }
+                it { expect(subject.list(all: true, filters: {before: {"#{image}": true}}).path).to eq("/v#{Docker::API::API_VERSION}/images/json?all=true&filters={\"before\":{\"#{image}\":true}}") }
+                it { expect(subject.list(all: true, filters: {since: {"#{image}": true}}).path).to eq("/v#{Docker::API::API_VERSION}/images/json?all=true&filters={\"since\":{\"#{image}\":true}}") }
+                it { expect(subject.list(all: true, invalid: true, skip_validation: true).path).to eq("/v#{Docker::API::API_VERSION}/images/json?all=true&invalid=true") }
             end
             it { expect{subject.list(invalid: "invalid")}.to raise_error(Docker::API::InvalidParameter) }
         end
@@ -159,11 +159,11 @@
             it { expect(subject.prune(filters: {label: {"LABEL": true}, dangling: {"1": true}}).status).to eq(200) }
         end
         describe "request path" do 
-            it { expect(subject.prune(filters: {dangling: {"true": true}}).path).to eq("/images/prune?filters={\"dangling\":{\"true\":true}}") }
-            it { expect(subject.prune(filters: {dangling: {"1": true}}).path).to eq("/images/prune?filters={\"dangling\":{\"1\":true}}") }
-            it { expect(subject.prune(filters: {until: {"10m": true}}).path).to eq("/images/prune?filters={\"until\":{\"10m\":true}}") }
-            it { expect(subject.prune(filters: {label: {"LABEL": true}}).path).to eq("/images/prune?filters={\"label\":{\"LABEL\":true}}") }
-            it { expect(subject.prune(filters: {label: {"LABEL": true}, dangling: {"1": true}}).path).to eq("/images/prune?filters={\"label\":{\"LABEL\":true},\"dangling\":{\"1\":true}}") }
+            it { expect(subject.prune(filters: {dangling: {"true": true}}).path).to eq("/v#{Docker::API::API_VERSION}/images/prune?filters={\"dangling\":{\"true\":true}}") }
+            it { expect(subject.prune(filters: {dangling: {"1": true}}).path).to eq("/v#{Docker::API::API_VERSION}/images/prune?filters={\"dangling\":{\"1\":true}}") }
+            it { expect(subject.prune(filters: {until: {"10m": true}}).path).to eq("/v#{Docker::API::API_VERSION}/images/prune?filters={\"until\":{\"10m\":true}}") }
+            it { expect(subject.prune(filters: {label: {"LABEL": true}}).path).to eq("/v#{Docker::API::API_VERSION}/images/prune?filters={\"label\":{\"LABEL\":true}}") }
+            it { expect(subject.prune(filters: {label: {"LABEL": true}, dangling: {"1": true}}).path).to eq("/v#{Docker::API::API_VERSION}/images/prune?filters={\"label\":{\"LABEL\":true},\"dangling\":{\"1\":true}}") }
         end
         it { expect{subject.prune( invalid: "invalid")}.to raise_error(Docker::API::InvalidParameter) }
     end
diff --git a/spec/endpoints/system_spec.rb b/spec/endpoints/system_spec.rb
index 302bd80..4e57df5 100644
--- a/spec/endpoints/system_spec.rb
+++ b/spec/endpoints/system_spec.rb
@@ -10,7 +10,7 @@
     describe ".ping" do
         it { expect(subject).to respond_to(:ping) }
         it { expect(subject.ping.status).to eq(200) }
-        it { expect(subject.ping.path).to eq("/_ping") }
+        it { expect(subject.ping.path).to eq("/v#{Docker::API::API_VERSION}/_ping") }
     end
 
     describe ".info" do
@@ -18,7 +18,7 @@
         it { expect(subject.info.status).to eq(200) }
         it { expect(subject.info.success?).to eq(true) }
         it { expect(subject.info.json).to be_kind_of(Hash) }
-        it { expect(subject.info.path).to eq("/info") }
+        it { expect(subject.info.path).to eq("/v#{Docker::API::API_VERSION}/info") }
     end
 
     describe ".version" do
@@ -26,7 +26,7 @@
         it { expect(subject.version.status).to eq(200) }
         it { expect(subject.version.success?).to eq(true) }
         it { expect(subject.version.json).to be_kind_of(Hash) }
-        it { expect(subject.version.path).to eq("/version") }
+        it { expect(subject.version.path).to eq("/v#{Docker::API::API_VERSION}/version") }
     end
 
     describe ".events" do
@@ -35,7 +35,7 @@
         it { expect(described_class.new).to respond_to(:events) }
         it { expect(subject.status).to eq(200) }
         it { expect(subject.success?).to eq(true) }
-        it { expect(subject.path).to eq("/events?until=#{now}") }
+        it { expect(subject.path).to eq("/v#{Docker::API::API_VERSION}/events?until=#{now}") }
         it { expect{described_class.new.events(invalid: true)}.to raise_error(Docker::API::InvalidParameter) }
         it { expect{described_class.new.events(invalid: true, skip_validation: false)}.to raise_error(Docker::API::InvalidParameter) }
     end
@@ -45,9 +45,9 @@
         it { expect(subject.df.status).to eq(200) }
         it { expect(subject.df.success?).to eq(true) }
         it { expect(subject.df.json).to be_kind_of(Hash) }
-        it { expect(subject.df.path).to eq("/system/df") }
+        it { expect(subject.df.path).to eq("/v#{Docker::API::API_VERSION}/system/df") }
         it { expect{subject.df(invalid: "true")}.to raise_error(Docker::API::InvalidParameter) }
         it { expect{subject.df(type: "container")}.not_to raise_error }
-        it { expect(subject.df(type: "container").path).to eq("/system/df?type=container" )}
+        it { expect(subject.df(type: "container").path).to eq("/v#{Docker::API::API_VERSION}/system/df?type=container" )}
     end
 end
\ No newline at end of file

From 225f50fb89fdebd6583991125ad228dfdb6efa55 Mon Sep 17 00:00:00 2001
From: nu12 <34694287+nu12@users.noreply.github.com>
Date: Tue, 5 Nov 2024 09:19:39 -0500
Subject: [PATCH 2/4] Fix Github link

---
 spec/endpoints/image_spec.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/spec/endpoints/image_spec.rb b/spec/endpoints/image_spec.rb
index 2e8afea..d7fab87 100644
--- a/spec/endpoints/image_spec.rb
+++ b/spec/endpoints/image_spec.rb
@@ -174,10 +174,10 @@
         it { expect(subject.build("resources/build.tar.xz", q: true, rm: false).status).to eq(200) }
         it { expect(subject.build("resources/build.tar.xz", memory: 4000000, rm: true, forcerm:true).status).to eq(200) }
         it { expect(subject.build("resources/build.tar.xz", memory: 4000000, rm: true, forcerm:true, pull:true).status).to eq(200) }
-        it { expect(subject.build(nil, remote: "https://github.com/nu12/dockerapi/blob/master/resources/build.tar.xz?raw=true").status).to eq(200) }
+        it { expect(subject.build(nil, remote: "https://github.com/nu12/dockerapi/raw/refs/heads/main/resources/build.tar.xz").status).to eq(200) }
         it { expect(subject.build(nil, remote: "https://raw.githubusercontent.com/nu12/dockerapi/master/resources/Dockerfile").status).to eq(200) }
         it { expect{subject.build("resources/build.tar.xz", invalid: "invalid")}.to raise_error(Docker::API::InvalidParameter) }
-        it { expect{subject.build(nil, remote: "https://github.com/nu12/dockerapi/blob/master/resources/build.tar.xz?raw=true", invalid: "invalid")}.to raise_error(Docker::API::InvalidParameter) }
+        it { expect{subject.build(nil, remote: "https://github.com/nu12/dockerapi/raw/refs/heads/main/resources/build.tar.xz", invalid: "invalid")}.to raise_error(Docker::API::InvalidParameter) }
         it { expect{subject.build(nil, invalid: "invalid", skip_validation: true)}.to raise_error(Docker::API::Error) }
     end
 

From dcd7c8554caaf0a74c3b535ef392245100ad876e Mon Sep 17 00:00:00 2001
From: nu12 <34694287+nu12@users.noreply.github.com>
Date: Tue, 5 Nov 2024 09:33:13 -0500
Subject: [PATCH 3/4] Fix network specs

---
 lib/docker/api/network.rb      | 8 ++++----
 spec/endpoints/network_spec.rb | 2 +-
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/lib/docker/api/network.rb b/lib/docker/api/network.rb
index d94ddd9..ec96b57 100644
--- a/lib/docker/api/network.rb
+++ b/lib/docker/api/network.rb
@@ -34,7 +34,7 @@ def details name, params = {}
     #
     # @param body [Hash]: Request body to be sent as json.
     def create body = {}
-        @connection.request(method: :post, path: "/networks/create", headers: {"Content-Type": "application/json"}, body: body.to_json)
+        @connection.request(method: :post, path: build_path("/networks/create"), headers: {"Content-Type": "application/json"}, body: body.to_json)
     end
 
     ##
@@ -45,7 +45,7 @@ def create body = {}
     #
     # @param name [String]: The ID or name of the network.
     def remove name
-        @connection.delete("/networks/#{name}")
+        @connection.delete(build_path("/networks/#{name}"))
     end
 
     ##
@@ -68,7 +68,7 @@ def prune params = {}
     # @param name [String]: The ID or name of the network.
     # @param body [Hash]: Request body to be sent as json.
     def connect name, body = {}
-        @connection.request(method: :post, path: "/networks/#{name}/connect", headers: {"Content-Type": "application/json"}, body: body.to_json)
+        @connection.request(method: :post, path: build_path("/networks/#{name}/connect"), headers: {"Content-Type": "application/json"}, body: body.to_json)
     end
 
     ##
@@ -80,7 +80,7 @@ def connect name, body = {}
     # @param name [String]: The ID or name of the network.
     # @param body [Hash]: Request body to be sent as json.
     def disconnect name, body = {}
-        @connection.request(method: :post, path: "/networks/#{name}/disconnect", headers: {"Content-Type": "application/json"}, body: body.to_json)
+        @connection.request(method: :post, path: build_path("/networks/#{name}/disconnect"), headers: {"Content-Type": "application/json"}, body: body.to_json)
     end
 
 end
\ No newline at end of file
diff --git a/spec/endpoints/network_spec.rb b/spec/endpoints/network_spec.rb
index 6d11a85..4e06fd0 100644
--- a/spec/endpoints/network_spec.rb
+++ b/spec/endpoints/network_spec.rb
@@ -21,7 +21,7 @@
     end
 
     describe ".create" do 
-        it { expect(subject.create.status).to eq(500) }
+        it { expect(subject.create.status).to eq(400) }
         it do 
             expect(subject.create( 
                 Name: "rspec-network",

From b1beed82d28465e65e2e9b299d40b2db4fbbe437 Mon Sep 17 00:00:00 2001
From: nu12 <34694287+nu12@users.noreply.github.com>
Date: Tue, 5 Nov 2024 10:12:56 -0500
Subject: [PATCH 4/4] Fix ip_address & path typo

---
 lib/docker/api/node.rb       | 2 +-
 spec/endpoints/node_spec.rb  | 2 +-
 spec/endpoints/swarm_spec.rb | 4 ++--
 spec/spec_helper.rb          | 8 ++++++++
 4 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/lib/docker/api/node.rb b/lib/docker/api/node.rb
index 129f65c..6b2eb43 100644
--- a/lib/docker/api/node.rb
+++ b/lib/docker/api/node.rb
@@ -25,7 +25,7 @@ def list params = {}
     # @param params [Hash]: Parameters that are appended to the URL.
     # @param body [Hash]: Request body to be sent as json.
     def update name, params = {}, body = {}
-        @connection.request(method: :post, path: build_path("nodes/#{name}/update", params), headers: {"Content-Type": "application/json"}, body: body.to_json)
+        @connection.request(method: :post, path: build_path("/nodes/#{name}/update", params), headers: {"Content-Type": "application/json"}, body: body.to_json)
     end
 
     ##
diff --git a/spec/endpoints/node_spec.rb b/spec/endpoints/node_spec.rb
index a824b83..effbbc5 100644
--- a/spec/endpoints/node_spec.rb
+++ b/spec/endpoints/node_spec.rb
@@ -1,5 +1,5 @@
 RSpec.describe Docker::API::Node do
-    ip_address = Socket.ip_address_list[2].ip_address
+    ip_address = get_api_ip_address
     subject { described_class.new }
     it { is_expected.to respond_to(:list) }
     it { is_expected.to respond_to(:details) }
diff --git a/spec/endpoints/swarm_spec.rb b/spec/endpoints/swarm_spec.rb
index 709ec56..e739384 100644
--- a/spec/endpoints/swarm_spec.rb
+++ b/spec/endpoints/swarm_spec.rb
@@ -1,6 +1,6 @@
-require 'socket'
+
 RSpec.describe Docker::API::Swarm do
-    ip_address = Socket.ip_address_list[2].ip_address
+    ip_address = get_api_ip_address
 
     subject { described_class.new }
     describe ".init" do
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index e3cda6d..6049973 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -16,3 +16,11 @@
     c.syntax = :expect
   end
 end
+
+def get_api_ip_address
+  
+  Socket.ip_address_list.each do |addr|
+    return addr.ip_address if addr.ipv4? && !addr.ipv4_loopback? && addr.ip_address =~ /\A\d{1,3}(\.\d{1,3}){3}\z/
+  end
+
+end
\ No newline at end of file