joyent/node-triton#111 want triton env --unset,-u option emit env to unset relevant envvars

CHANGES.md

@@ -5,9 +5,11 @@ Known issues:
 - `triton ssh ...` disables ssh ControlMaster to avoid issue #52.
 
 
-## 4.10.1 (not yet released)
+## 4.11.0 (not yet released)
 
-(nothing yet)
+- [#111] `triton env --unset,-u` option to emit environment commands to *unset*
+  relevant envvars.
+- Unhide `triton env` from `triton --help` output.
 
 
 ## 4.10.0

TODO.txt

@@ -1,9 +1,4 @@
-test suite:
+triton create affinity support for tag matching, globs, regex
-- all the commands: test/integration/cli-*.test.js
-- TritonApi testing: test/integration/api-*.test.js
-- more test/unit/...
-
-sub-user support (profiles, `triton account`, env, auth)
 
 note in README that full UUIDs is much faster in the API
 

lib/cli.js

@@ -207,8 +207,9 @@ function CLI() {
         },
         helpSubcmds: [
             'help',
-            'completion',
             'profile',
+            'env',
+            'completion',
             { group: 'Instances (aka VMs/Machines/Containers)' },
             'instance',
             'instances',

lib/do_env.js

@@ -45,6 +45,9 @@ function do_env(subcmd, opts, args, cb) {
         shortOpts += 's';
         clientTypes.push('smartdc');
     }
+    if (opts.unset) {
+        shortOpts += 'u';
+    }
     if (clientTypes.length === 0) {
         explicit = false;
         clientTypes = allClientTypes;
@@ -68,7 +71,20 @@ function do_env(subcmd, opts, args, cb) {
     clientTypes.forEach(function (clientType) {
         switch (clientType) {
         case 'triton':
+            if (opts.unset) {
+                [
+                    'TRITON_PROFILE',
+                    'TRITON_URL',
+                    'TRITON_ACCOUNT',
+                    'TRITON_USER',
+                    'TRITON_KEY_ID',
+                    'TRITON_TLS_INSECURE'
+                ].forEach(function (key) {
+                    p('unset %s', key);
+                });
+            } else {
                 p('export TRITON_PROFILE="%s"', profile.name);
+            }
             break;
         case 'docker':
             var setupJson = path.resolve(self.configDir, 'docker',
@@ -85,12 +101,21 @@ function do_env(subcmd, opts, args, cb) {
                 }
                 Object.keys(setup.env).forEach(function (key) {
                     var val = setup.env[key];
-                    if (val === null) {
+                    if (opts.unset || val === null) {
                         p('unset %s', key);
                     } else {
                         p('export %s=%s', key, val);
                     }
                 });
+            } else if (opts.unset) {
+                [
+                    'DOCKER_HOST',
+                    'DOCKER_CERT_PATH',
+                    'DOCKER_TLS_VERIFY',
+                    'COMPOSE_HTTP_TIMEOUT'
+                ].forEach(function (key) {
+                    p('unset %s', key);
+                });
             } else if (explicit) {
                 cb(new errors.ConfigError(format('could not find Docker '
                     + 'environment setup for profile "%s":\n    Run `triton '
@@ -99,6 +124,17 @@ function do_env(subcmd, opts, args, cb) {
             }
             break;
         case 'smartdc':
+            if (opts.unset) {
+                [
+                    'SDC_URL',
+                    'SDC_ACCOUNT',
+                    'SDC_USER',
+                    'SDC_KEY_ID',
+                    'SDC_TESTING'
+                ].forEach(function (key) {
+                    p('unset %s', key);
+                });
+            } else {
                 p('export SDC_URL="%s"', profile.url);
                 p('export SDC_ACCOUNT="%s"', profile.account);
                 if (profile.user) {
@@ -112,6 +148,7 @@ function do_env(subcmd, opts, args, cb) {
                 } else {
                     p('unset SDC_TESTING');
                 }
+            }
             break;
         default:
             return cb(new errors.InternalError(
@@ -132,6 +169,9 @@ do_env.options = [
         type: 'bool',
         help: 'Show this help.'
     },
+    {
+        group: ''
+    },
     {
         names: ['triton', 't'],
         type: 'bool',
@@ -147,13 +187,21 @@ do_env.options = [
         names: ['smartdc', 's'],
         type: 'bool',
         help: 'Emit environment for node-smartdc (i.e. the "SDC_*" variables).'
+    },
+    {
+        group: ''
+    },
+    {
+        names: ['unset', 'u'],
+        type: 'bool',
+        help: 'Emit environment to *unset* the relevant environment variables.'
     }
 ];
 
 // TODO: support env for docker usage.
 do_env.help = [
     /* BEGIN JSSTYLED */
-    'Emit shell environment commands to setup clients for a particular CLI profile.',
+    'Emit shell commands to setup environment.',
     '',
     'Supported "clients" here are: node-smartdc (i.e. the `sdc-*` tools),',
     'and node-triton itself. By default this emits the environment for all',
@@ -162,11 +210,21 @@ do_env.help = [
     'Usage:',
     '     {{name}} env [PROFILE]',
     '',
-    '{{options}}'
+    '{{options}}',
+    'If no options are given, environment variables are emitted for all clients.',
+    'If PROFILE is not given, the current profile is used.',
+    '',
+    'The following Bash function can be added to one\'s "~/.bashrc" to quickly',
+    'change between Triton profiles:',
+    '    triton-select () { eval "$(triton env $1)"; }',
+    'for example:',
+    '    $ triton-select west1',
+    '    $ triton profile get | grep name',
+    '    name: west1',
+    '    $ triton-select east1',
+    '    $ triton profile get | grep name',
+    '    name: east1'
     /* END JSSTYLED */
 ].join('\n');
 
-
-do_env.hidden = true;
-
 module.exports = do_env;

package.json

@@ -1,7 +1,7 @@
 {
   "name": "triton",
   "description": "Joyent Triton CLI and client (https://www.joyent.com/triton)",
-  "version": "4.10.1",
+  "version": "4.11.0",
   "author": "Joyent (joyent.com)",
   "dependencies": {
     "assert-plus": "0.2.0",

test/integration/cli-subcommands.test.js

@@ -28,6 +28,8 @@ var subs = [
     ['profile create'],
     ['profile edit'],
     ['profile delete', 'profile rm'],
+    ['env'],
+    ['completion'],
     ['account'],
     ['account get'],
     ['account update'],