Created agp; ~/.aws/config is now optional

Author: mgoodness

functions/agp.fish

@@ -0,0 +1,8 @@
+function agp --description 'Get current AWS profile'
+  if test -n "$AWS_DEFAULT_PROFILE"
+    echo "$AWS_DEFAULT_PROFILE"
+  else
+    echo "No profile set"
+  end
+end
+

functions/asp.fish

@@ -1,63 +1,57 @@
 function asp --description 'Switches AWS profile' --argument-names 'aws_profile'
-  if test -n "$aws_profile"
-    if fgrep -q "[profile $aws_profile]" ~/.aws/config
-      set -l region \
-        (awk "/\[profile\ $aws_profile\]/,/^\$/ { if (\$1 == \"region\") { print \$3 }}" \
-          ~/.aws/config)
-
-      if test -z "$region"
-        echo "No region listed for $aws_profile profile"
-        return 1
-      end
-
-      set -l access_key \
-        (awk "/\[$aws_profile\]/,/^\$/ { if (\$1 == \"aws_access_key_id\") { print \$3 }}" \
-          ~/.aws/credentials)
-      set -l secret_key \
-        (awk "/\[$aws_profile\]/,/^\$/ { if (\$1 == \"aws_secret_access_key\") { print \$3 }}" \
-          ~/.aws/credentials)
-      set -l session_token ""
+  if test -z "$aws_profile"
+    echo "usage: asp <profile>"
+    return 1
+  end
 
-      if test -z "$access_key" -o -z "$secret_key"
-        set -l role_arn \
-          (awk "/\[$aws_profile\]/,/^\$/ { if (\$1 == \"role_arn\") { print \$3 }}" \
-            ~/.aws/credentials)
-        set -l source_profile \
-          (awk "/\[$aws_profile\]/,/^\$/ { if (\$1 == \"source_profile\") { print \$3 }}" \
-            ~/.aws/credentials)
+  set -l access_key \
+    (awk "/\[$aws_profile\]/,/^\$/ { if (\$1 == \"aws_access_key_id\") { print \$3 }}" \
+      $HOME/.aws/credentials)
+  set -l secret_key \
+    (awk "/\[$aws_profile\]/,/^\$/ { if (\$1 == \"aws_secret_access_key\") { print \$3 }}" \
+      $HOME/.aws/credentials)
 
-        if test -n "$role_arn" -a -n "$source_profile"
-          set -l json \
-            (aws sts assume-role --profile "$source_profile" --role-arn "$role_arn" \
-              --role-session-name "$aws_profile" --output json)
+  set -l session_token ""
+  if test -z "$access_key" -o -z "$secret_key"
+    set -l role_arn \
+      (awk "/\[$aws_profile\]/,/^\$/ { if (\$1 == \"role_arn\") { print \$3 }}" \
+        $HOME/.aws/credentials)
+    set -l source_profile \
+      (awk "/\[$aws_profile\]/,/^\$/ { if (\$1 == \"source_profile\") { print \$3 }}" \
+        $HOME/.aws/credentials)
 
-          set access_key (echo $json | jq -r '.Credentials.AccessKeyId')
-          set secret_key (echo $json | jq -r '.Credentials.SecretAccessKey')
-          set session_token (echo $json | jq -r '.Credentials.SessionToken')
-        else
-          echo "Invalid $aws_profile profile in ~/.aws/credentials"
-          return 1
-        end
-      end
+    if test -n "$role_arn" -a -n "$source_profile"
+      set -l json \
+        (aws sts assume-role --profile "$source_profile" --role-arn "$role_arn" \
+          --role-session-name "$aws_profile" --output json)
 
-      set -gx AWS_ACCESS_KEY_ID "$access_key"
-      set -gx AWS_SECRET_ACCESS_KEY "$secret_key"
-      set -gx AWS_SESSION_TOKEN "$session_token"
-      set -gx AWS_SECURITY_TOKEN "$AWS_SESSION_TOKEN"
-      set -gx AWS_DEFAULT_REGION "$region"
-      set -gx AWS_DEFAULT_PROFILE "$aws_profile"
-      set -gx aws_profile "$aws_profile"
+      set access_key (echo $json | jq -r '.Credentials.AccessKeyId')
+      set secret_key (echo $json | jq -r '.Credentials.SecretAccessKey')
+      set session_token (echo $json | jq -r '.Credentials.SessionToken')
     else
-      echo "No $aws_profile profile found in ~/.aws/config"
+      echo "Invalid $aws_profile profile in $HOME/.aws/credentials"
       return 1
     end
+  end
 
-  else
-    if test -n "$AWS_DEFAULT_PROFILE"
-      asp "$AWS_DEFAULT_PROFILE"
-      echo "$AWS_DEFAULT_PROFILE"
-    else
-      echo "No profile set"
-    end
+  set -gx AWS_ACCESS_KEY_ID "$access_key"
+  set -gx AWS_SECRET_ACCESS_KEY "$secret_key"
+  set -gx AWS_SESSION_TOKEN "$session_token"
+  set -gx AWS_SECURITY_TOKEN "$AWS_SESSION_TOKEN"
+  set -gx AWS_DEFAULT_PROFILE "$aws_profile"
+  set -g aws_profile "$aws_profile"
+
+  set -l region ""
+  if fgrep -qs "$aws_profile" $HOME/.aws/config
+    set region \
+      (awk "/$aws_profile/,/^\$/ { if (\$1 == \"region\") { print \$3 }}" \
+        $HOME/.aws/config)
   end
+  if fgrep -qs "[$aws_profile]" $HOME/.aws/credentials
+    set region \
+      (awk "/\[$aws_profile\]/,/^\$/ { if (\$1 == \"region\") { print \$3 }}" \
+        $HOME/.aws/credentials)
+  end
+
+  set -gx AWS_DEFAULT_REGION "$region"
 end