Made secret adapters raise a meaningful error if the required CLI is not installed

lib/kamal/secrets/adapters/base.rb

@@ -2,6 +2,7 @@ class Kamal::Secrets::Adapters::Base
   delegate :optionize, to: Kamal::Utils
 
   def fetch(secrets, account:, from: nil)
+    check_dependencies!
     session = login(account)
     full_secrets = secrets.map { |secret| [ from, secret ].compact.join("/") }
     fetch_secrets(full_secrets, account: account, session: session)
@@ -15,4 +16,8 @@ class Kamal::Secrets::Adapters::Base
     def fetch_secrets(...)
       raise NotImplementedError
     end
+
+    def check_dependencies!
+      raise NotImplementedError
+    end
 end

lib/kamal/secrets/adapters/bitwarden.rb

@@ -63,4 +63,13 @@ class Kamal::Secrets::Adapters::Bitwarden < Kamal::Secrets::Adapters::Base
       result = `#{full_command}`.strip
       raw ? result : JSON.parse(result)
     end
+
+    def check_dependencies!
+      raise RuntimeError, "Bitwarden CLI is not installed" unless cli_installed?
+    end
+
+    def cli_installed?
+      `bw --version 2> /dev/null`
+      $?.success?
+    end
 end

lib/kamal/secrets/adapters/last_pass.rb

@@ -27,4 +27,13 @@ class Kamal::Secrets::Adapters::LastPass < Kamal::Secrets::Adapters::Base
         end
       end
     end
+
+    def check_dependencies!
+      raise RuntimeError, "LastPass CLI is not installed" unless cli_installed?
+    end
+
+    def cli_installed?
+      `lpass --version 2> /dev/null`
+      $?.success?
+    end
 end

lib/kamal/secrets/adapters/one_password.rb

@@ -58,4 +58,13 @@ class Kamal::Secrets::Adapters::OnePassword < Kamal::Secrets::Adapters::Base
         raise RuntimeError, "Could not read #{fields.join(", ")} from #{item} in the #{vault} 1Password vault" unless $?.success?
       end
     end
+
+    def check_dependencies!
+      raise RuntimeError, "1Password CLI is not installed" unless cli_installed?
+    end
+
+    def cli_installed?
+      `op --version 2> /dev/null`
+      $?.success?
+    end
 end

lib/kamal/secrets/adapters/test.rb

@@ -7,4 +7,8 @@ class Kamal::Secrets::Adapters::Test < Kamal::Secrets::Adapters::Base
     def fetch_secrets(secrets, account:, session:)
       secrets.to_h { |secret| [ secret, secret.reverse ] }
     end
+
+    def check_dependencies!
+      # no op
+    end
 end

test/secrets/bitwarden_adapter_test.rb

@@ -2,6 +2,8 @@ require "test_helper"
 
 class BitwardenAdapterTest < SecretAdapterTestCase
   test "fetch" do
+    stub_ticks.with("bw --version 2> /dev/null")
+
     stub_unlocked
     stub_ticks.with("bw sync").returns("")
     stub_mypassword
@@ -14,6 +16,8 @@ class BitwardenAdapterTest < SecretAdapterTestCase
   end
 
   test "fetch with no login" do
+    stub_ticks.with("bw --version 2> /dev/null")
+
     stub_unlocked
     stub_ticks.with("bw sync").returns("")
     stub_noteitem
@@ -25,6 +29,8 @@ class BitwardenAdapterTest < SecretAdapterTestCase
   end
 
   test "fetch with from" do
+    stub_ticks.with("bw --version 2> /dev/null")
+
     stub_unlocked
     stub_ticks.with("bw sync").returns("")
     stub_myitem
@@ -39,6 +45,8 @@ class BitwardenAdapterTest < SecretAdapterTestCase
   end
 
   test "fetch with multiple items" do
+    stub_ticks.with("bw --version 2> /dev/null")
+
     stub_unlocked
 
     stub_ticks.with("bw sync").returns("")
@@ -80,6 +88,8 @@ class BitwardenAdapterTest < SecretAdapterTestCase
   end
 
   test "fetch unauthenticated" do
+    stub_ticks.with("bw --version 2> /dev/null")
+
     stub_ticks
       .with("bw status")
       .returns(
@@ -101,6 +111,8 @@ class BitwardenAdapterTest < SecretAdapterTestCase
   end
 
   test "fetch locked" do
+    stub_ticks.with("bw --version 2> /dev/null")
+
     stub_ticks
       .with("bw status")
       .returns(
@@ -126,6 +138,8 @@ class BitwardenAdapterTest < SecretAdapterTestCase
   end
 
   test "fetch locked with session" do
+    stub_ticks.with("bw --version 2> /dev/null")
+
     stub_ticks
       .with("bw status")
       .returns(
@@ -150,6 +164,15 @@ class BitwardenAdapterTest < SecretAdapterTestCase
     assert_equal expected_json, json
   end
 
+  test "fetch without CLI installed" do
+    stub_ticks_with("bw --version 2> /dev/null", succeed: false)
+
+    error = assert_raises RuntimeError do
+      JSON.parse(shellunescape(run_command("fetch", "mynote")))
+    end
+    assert_equal "Bitwarden CLI is not installed", error.message
+  end
+
   private
     def run_command(*command)
       stdouted do

test/secrets/last_pass_adapter_test.rb

@@ -6,6 +6,7 @@ class LastPassAdapterTest < SecretAdapterTestCase
   end
 
   test "fetch" do
+    stub_ticks.with("lpass --version 2> /dev/null")
     stub_ticks.with("lpass status --color never").returns("Logged in as email@example.com.")
 
     stub_ticks
@@ -63,6 +64,7 @@ class LastPassAdapterTest < SecretAdapterTestCase
   end
 
   test "fetch with from" do
+    stub_ticks.with("lpass --version 2> /dev/null")
     stub_ticks.with("lpass status --color never").returns("Logged in as email@example.com.")
 
     stub_ticks
@@ -107,6 +109,8 @@ class LastPassAdapterTest < SecretAdapterTestCase
   end
 
   test "fetch with signin" do
+    stub_ticks.with("lpass --version 2> /dev/null")
+
     stub_ticks_with("lpass status --color never", succeed: false).returns("Not logged in.")
     stub_ticks_with("lpass login email@example.com", succeed: true).returns("")
     stub_ticks.with("lpass show SECRET1 --json").returns(single_item_json)
@@ -120,6 +124,15 @@ class LastPassAdapterTest < SecretAdapterTestCase
     assert_equal expected_json, json
   end
 
+  test "fetch without CLI installed" do
+    stub_ticks_with("lpass --version 2> /dev/null", succeed: false)
+
+    error = assert_raises RuntimeError do
+      JSON.parse(shellunescape(run_command("fetch", "SECRET1", "FOLDER1/FSECRET1", "FOLDER1/FSECRET2")))
+    end
+    assert_equal "LastPass CLI is not installed", error.message
+  end
+
   private
     def run_command(*command)
       stdouted do

test/secrets/one_password_adapter_test.rb

@@ -2,6 +2,7 @@ require "test_helper"
 
 class SecretsOnePasswordAdapterTest < SecretAdapterTestCase
   test "fetch" do
+    stub_ticks.with("op --version 2> /dev/null")
     stub_ticks.with("op account get --account myaccount 2> /dev/null")
 
     stub_ticks
@@ -56,6 +57,7 @@ class SecretsOnePasswordAdapterTest < SecretAdapterTestCase
   end
 
   test "fetch with multiple items" do
+    stub_ticks.with("op --version 2> /dev/null")
     stub_ticks.with("op account get --account myaccount 2> /dev/null")
 
     stub_ticks
@@ -115,6 +117,8 @@ class SecretsOnePasswordAdapterTest < SecretAdapterTestCase
   end
 
   test "fetch with signin, no session" do
+    stub_ticks.with("op --version 2> /dev/null")
+
     stub_ticks_with("op account get --account myaccount 2> /dev/null", succeed: false)
     stub_ticks_with("op signin --account \"myaccount\" --force --raw", succeed: true).returns("")
 
@@ -132,6 +136,8 @@ class SecretsOnePasswordAdapterTest < SecretAdapterTestCase
   end
 
   test "fetch with signin and session" do
+    stub_ticks.with("op --version 2> /dev/null")
+
     stub_ticks_with("op account get --account myaccount 2> /dev/null", succeed: false)
     stub_ticks_with("op signin --account \"myaccount\" --force --raw", succeed: true).returns("1234567890")
 
@@ -148,6 +154,15 @@ class SecretsOnePasswordAdapterTest < SecretAdapterTestCase
     assert_equal expected_json, json
   end
 
+  test "fetch without CLI installed" do
+    stub_ticks_with("op --version 2> /dev/null", succeed: false)
+
+    error = assert_raises RuntimeError do
+      JSON.parse(shellunescape(run_command("fetch", "--from", "op://myvault/myitem", "section/SECRET1", "section/SECRET2", "section2/SECRET3")))
+    end
+    assert_equal "1Password CLI is not installed", error.message
+  end
+
   private
     def run_command(*command)
       stdouted do