diff --git a/.bumpversion.cfg b/.bumpversion.cfg
new file mode 100644
index 0000000..8cb9f8d
--- /dev/null
+++ b/.bumpversion.cfg
@@ -0,0 +1,17 @@
+[bumpversion]
+current_version = 0.3-beta
+parse = (?P<major>\d+)\.(?P<minor>\d+)(-(?P<release>.*))?
+message = Bump version: {current_version} -> {new_version}
+serialize = 
+	{major}.{minor}-{release}
+	{major}.{minor}
+
+[bumpversion:part:release]
+optional_value = release
+values = 
+	beta
+	release
+
+[bumpversion:file:gce_rescue/config.py]
+search = VERSION = '{current_version}'
+replace = VERSION = '{new_version}'
diff --git a/.gitignore b/.gitignore
index f123127..1043ee9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -22,4 +22,4 @@ poetry.lock
 *.DS_Store
 .vscode/
 .idea
-debian.log
+*.log
diff --git a/Makefile b/Makefile
index 82c9943..1087a61 100644
--- a/Makefile
+++ b/Makefile
@@ -7,6 +7,9 @@ test:
 requirements: requirements.txt
 	python3 -m pip install -r requirements.txt
 
+bumpversion:
+	pipenv run bumpversion --commit minor
+
 build: setup.py
 	python3 ./setup.py bdist_wheel sdist
 
diff --git a/Pipfile b/Pipfile
index e03cf6c..464194f 100644
--- a/Pipfile
+++ b/Pipfile
@@ -8,6 +8,7 @@ absl-py = ">=1.2.0"
 google-api-python-client = "*"
 google-auth = "*"
 pylint = "*"
+bumpversion = "*"
 
 [dev-packages]
 bump2version = "*"
diff --git a/Pipfile.lock b/Pipfile.lock
index 088e4f5..7104f33 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "3d94110b5d49dc85032d0e3e885d82860298040c5abd33297c6f30ea93f2248e"
+            "sha256": "f8c14c79e90c97984625a7af2e56c3a0fca089c9e4bfed4e16835bbc9ba27f1d"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -26,11 +26,27 @@
         },
         "astroid": {
             "hashes": [
-                "sha256:0e0e3709d64fbffd3037e4ff403580550f14471fd3eaae9fa11cc9a5c7901153",
-                "sha256:a3cf9f02c53dd259144a7e8f3ccd75d67c9a8c716ef183e0c1f291bc5d7bb3cf"
+                "sha256:a1b8543ef9d36ea777194bc9b17f5f8678d2c56ee6a45b2c2f17eec96f242347",
+                "sha256:c81e1c7fbac615037744d067a9bb5f9aeb655edf59b63ee8b59585475d6f80d8"
             ],
             "markers": "python_full_version >= '3.7.2'",
-            "version": "==2.14.2"
+            "version": "==2.15.4"
+        },
+        "bump2version": {
+            "hashes": [
+                "sha256:37f927ea17cde7ae2d7baf832f8e80ce3777624554a653006c9144f8017fe410",
+                "sha256:762cb2bfad61f4ec8e2bdf452c7c267416f8c70dd9ecb1653fd0bbb01fa936e6"
+            ],
+            "markers": "python_version >= '3.5'",
+            "version": "==1.0.1"
+        },
+        "bumpversion": {
+            "hashes": [
+                "sha256:4ba55e4080d373f80177b4dabef146c07ce73c7d1377aabf9d3c3ae1f94584a6",
+                "sha256:4eb3267a38194d09f048a2179980bb4803701969bff2c85fa8f6d1ce050be15e"
+            ],
+            "index": "pypi",
+            "version": "==0.6.0"
         },
         "cachetools": {
             "hashes": [
@@ -42,106 +58,93 @@
         },
         "certifi": {
             "hashes": [
-                "sha256:35824b4c3a97115964b408844d64aa14db1cc518f6562e8d7261699d1350a9e3",
-                "sha256:4ad3232f5e926d6718ec31cfc1fcadfde020920e278684144551c91769c7bc18"
+                "sha256:0f0d56dc5a6ad56fd4ba36484d6cc34451e1c6548c61daad8c320169f91eddc7",
+                "sha256:c6c2e98f5c7869efca1f8916fed228dd91539f9f1b444c314c06eef02980c716"
             ],
             "index": "pypi",
             "markers": "python_version >= '3.6'",
-            "version": "==2022.12.7"
+            "version": "==2023.5.7"
         },
         "charset-normalizer": {
             "hashes": [
-                "sha256:00d3ffdaafe92a5dc603cb9bd5111aaa36dfa187c8285c543be562e61b755f6b",
-                "sha256:024e606be3ed92216e2b6952ed859d86b4cfa52cd5bc5f050e7dc28f9b43ec42",
-                "sha256:0298eafff88c99982a4cf66ba2efa1128e4ddaca0b05eec4c456bbc7db691d8d",
-                "sha256:02a51034802cbf38db3f89c66fb5d2ec57e6fe7ef2f4a44d070a593c3688667b",
-                "sha256:083c8d17153ecb403e5e1eb76a7ef4babfc2c48d58899c98fcaa04833e7a2f9a",
-                "sha256:0a11e971ed097d24c534c037d298ad32c6ce81a45736d31e0ff0ad37ab437d59",
-                "sha256:0bf2dae5291758b6f84cf923bfaa285632816007db0330002fa1de38bfcb7154",
-                "sha256:0c0a590235ccd933d9892c627dec5bc7511ce6ad6c1011fdf5b11363022746c1",
-                "sha256:0f438ae3532723fb6ead77e7c604be7c8374094ef4ee2c5e03a3a17f1fca256c",
-                "sha256:109487860ef6a328f3eec66f2bf78b0b72400280d8f8ea05f69c51644ba6521a",
-                "sha256:11b53acf2411c3b09e6af37e4b9005cba376c872503c8f28218c7243582df45d",
-                "sha256:12db3b2c533c23ab812c2b25934f60383361f8a376ae272665f8e48b88e8e1c6",
-                "sha256:14e76c0f23218b8f46c4d87018ca2e441535aed3632ca134b10239dfb6dadd6b",
-                "sha256:16a8663d6e281208d78806dbe14ee9903715361cf81f6d4309944e4d1e59ac5b",
-                "sha256:292d5e8ba896bbfd6334b096e34bffb56161c81408d6d036a7dfa6929cff8783",
-                "sha256:2c03cc56021a4bd59be889c2b9257dae13bf55041a3372d3295416f86b295fb5",
-                "sha256:2e396d70bc4ef5325b72b593a72c8979999aa52fb8bcf03f701c1b03e1166918",
-                "sha256:2edb64ee7bf1ed524a1da60cdcd2e1f6e2b4f66ef7c077680739f1641f62f555",
-                "sha256:31a9ddf4718d10ae04d9b18801bd776693487cbb57d74cc3458a7673f6f34639",
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-                "sha256:f6f45710b4459401609ebebdbcfb34515da4fc2aa886f95107f556ac69a9147e",
-                "sha256:f97e83fa6c25693c7a35de154681fcc257c1c41b38beb0304b9c4d2d9e164479",
-                "sha256:f9d0c5c045a3ca9bedfc35dca8526798eb91a07aa7a2c0fee134c6c6f321cbd7",
-                "sha256:ff6f3db31555657f3163b15a6b7c6938d08df7adbfc9dd13d9d19edad678f1e8"
-            ],
-            "markers": "python_version >= '3.6'",
-            "version": "==3.0.1"
+                "sha256:04afa6387e2b282cf78ff3dbce20f0cc071c12dc8f685bd40960cc68644cfea6",
+                "sha256:04eefcee095f58eaabe6dc3cc2262f3bcd776d2c67005880894f447b3f2cb9c1",
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+                "sha256:1c60b9c202d00052183c9be85e5eaf18a4ada0a47d188a83c8f5c5b23252f649",
+                "sha256:1e8fcdd8f672a1c4fc8d0bd3a2b576b152d2a349782d1eb0f6b8e52e9954731d",
+                "sha256:20064ead0717cf9a73a6d1e779b23d149b53daf971169289ed2ed43a71e8d3b0",
+                "sha256:21fa558996782fc226b529fdd2ed7866c2c6ec91cee82735c98a197fae39f706",
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+                "sha256:3573d376454d956553c356df45bb824262c397c6e26ce43e8203c4c540ee0acb",
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+                "sha256:38e812a197bf8e71a59fe55b757a84c1f946d0ac114acafaafaf21667a7e169e",
+                "sha256:3a06f32c9634a8705f4ca9946d667609f52cf130d5548881401f1eb2c39b1e2c",
+                "sha256:3a5fc78f9e3f501a1614a98f7c54d3969f3ad9bba8ba3d9b438c3bc5d047dd28",
+                "sha256:3d9098b479e78c85080c98e1e35ff40b4a31d8953102bb0fd7d1b6f8a2111a3d",
+                "sha256:3dc5b6a8ecfdc5748a7e429782598e4f17ef378e3e272eeb1340ea57c9109f41",
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+                "sha256:5f008525e02908b20e04707a4f704cd286d94718f48bb33edddc7d7b584dddc1",
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+                "sha256:830d2948a5ec37c386d3170c483063798d7879037492540f10a475e3fd6f244b",
+                "sha256:891cf9b48776b5c61c700b55a598621fdb7b1e301a550365571e9624f270c203",
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+                "sha256:9a3267620866c9d17b959a84dd0bd2d45719b817245e49371ead79ed4f710d19",
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+                "sha256:fca62a8301b605b954ad2e9c3666f9d97f63872aa4efcae5492baca2056b74ab"
+            ],
+            "markers": "python_full_version >= '3.7.0'",
+            "version": "==3.1.0"
         },
         "dill": {
             "hashes": [
@@ -161,19 +164,19 @@
         },
         "google-api-python-client": {
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-                "sha256:f18e9dbb365f0485194a8daf5d60da2cff6a80ce2c9a694efc2b279922cb3dd0"
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             ],
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-            "version": "==2.77.0"
+            "version": "==2.86.0"
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-                "sha256:ed7057a101af1146f0554a769930ac9de506aeca4fd5af6543ebe791851a9fbd"
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-            "version": "==2.16.0"
+            "version": "==2.17.3"
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@@ -184,19 +187,19 @@
         },
         "googleapis-common-protos": {
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-                "sha256:c727251ec025947d545184ba17e3578840fc3a24a0516a020479edab660457df",
-                "sha256:ca3befcd4580dab6ad49356b46bf165bb68ff4b32389f028f1abd7c10ab9519a"
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-            "version": "==1.58.0"
+            "version": "==1.59.0"
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-                "sha256:fc144f091c7286b82bec71bdbd9b27323ba709cc612568d3000893bfd9cb4b34"
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-            "version": "==0.21.0"
+            "version": "==0.22.0"
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         "idna": {
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@@ -266,75 +269,54 @@
         },
         "platformdirs": {
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             "markers": "python_version >= '3.7'",
-            "version": "==3.0.0"
+            "version": "==3.5.0"
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-            "version": "==4.21.12"
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+            "version": "==0.3.0"
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         "pylint": {
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@@ -346,11 +328,11 @@
         },
         "requests": {
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-            "markers": "python_version >= '3.7' and python_version < '4'",
-            "version": "==2.28.2"
+            "markers": "python_version >= '3.7'",
+            "version": "==2.30.0"
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         "rsa": {
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@@ -378,19 +360,19 @@
         },
         "tomlkit": {
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-            "markers": "python_version >= '3.6'",
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+            "markers": "python_version >= '3.7'",
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@@ -402,81 +384,92 @@
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-            "version": "==1.26.14"
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-                "sha256:43ca3bbbe97af00f49efb06e352eae40434ca9d915906f77def219b88e85d907",
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-                "sha256:5b02d65b9ccf0ef6c34cba6cf5bf2aab1bb2f49c6090bafeecc9cd81ad4ea1c1",
-                "sha256:60db23fa423575eeb65ea430cee741acb7c26a1365d103f7b0f6ec412b893853",
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-                "sha256:9f3e6f9e05148ff90002b884fbc2a86bd303ae847e472f44ecc06c2cd2fcdb2d",
-                "sha256:a85d2b46be66a71bedde836d9e41859879cc54a2a04fad1191eb50c2066f6e9d",
-                "sha256:a9a52172be0b5aae932bef82a79ec0a0ce87288c7d132946d645eba03f0ad8a8",
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-                "sha256:b5901a312f4d14c59918c221323068fad0540e34324925c8475263841dbdfe68",
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-                "sha256:d1967f46ea8f2db647c786e78d8cc7e4313dbd1b0aca360592d8027b8508e24d",
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-                "sha256:d79d7d5dc8a32b7093e81e97dad755127ff77bcc899e845f41bf71747af0c569",
-                "sha256:dbcda74c67263139358f4d188ae5faae95c30929281bc6866d00573783c422b7",
-                "sha256:ddaea91abf8b0d13443f6dac52e89051a5063c7d014710dcb4d4abb2ff811a59",
-                "sha256:dee0ce50c6a2dd9056c20db781e9c1cfd33e77d2d569f5d1d9321c641bb903d5",
-                "sha256:dee60e1de1898bde3b238f18340eec6148986da0455d8ba7848d50470a7a32fb",
-                "sha256:e2f83e18fe2f4c9e7db597e988f72712c0c3676d337d8b101f6758107c42425b",
-                "sha256:e3fb1677c720409d5f671e39bac6c9e0e422584e5f518bfd50aa4cbbea02433f",
-                "sha256:ee2b1b1769f6707a8a445162ea16dddf74285c3964f605877a20e38545c3c462",
-                "sha256:ee6acae74a2b91865910eef5e7de37dc6895ad96fa23603d1d27ea69df545015",
-                "sha256:ef3f72c9666bba2bab70d2a8b79f2c6d2c1a42a7f7e2b0ec83bb2f9e383950af"
+                "sha256:02fce1852f755f44f95af51f69d22e45080102e9d00258053b79367d07af39c0",
+                "sha256:077ff0d1f9d9e4ce6476c1a924a3332452c1406e59d90a2cf24aeb29eeac9420",
+                "sha256:078e2a1a86544e644a68422f881c48b84fef6d18f8c7a957ffd3f2e0a74a0d4a",
+                "sha256:0970ddb69bba00670e58955f8019bec4a42d1785db3faa043c33d81de2bf843c",
+                "sha256:1286eb30261894e4c70d124d44b7fd07825340869945c79d05bda53a40caa079",
+                "sha256:21f6d9a0d5b3a207cdf7acf8e58d7d13d463e639f0c7e01d82cdb671e6cb7923",
+                "sha256:230ae493696a371f1dbffaad3dafbb742a4d27a0afd2b1aecebe52b740167e7f",
+                "sha256:26458da5653aa5b3d8dc8b24192f574a58984c749401f98fff994d41d3f08da1",
+                "sha256:2cf56d0e237280baed46f0b5316661da892565ff58309d4d2ed7dba763d984b8",
+                "sha256:2e51de54d4fb8fb50d6ee8327f9828306a959ae394d3e01a1ba8b2f937747d86",
+                "sha256:2fbfbca668dd15b744418265a9607baa970c347eefd0db6a518aaf0cfbd153c0",
+                "sha256:38adf7198f8f154502883242f9fe7333ab05a5b02de7d83aa2d88ea621f13364",
+                "sha256:3a8564f283394634a7a7054b7983e47dbf39c07712d7b177b37e03f2467a024e",
+                "sha256:3abbe948c3cbde2689370a262a8d04e32ec2dd4f27103669a45c6929bcdbfe7c",
+                "sha256:3bbe623731d03b186b3d6b0d6f51865bf598587c38d6f7b0be2e27414f7f214e",
+                "sha256:40737a081d7497efea35ab9304b829b857f21558acfc7b3272f908d33b0d9d4c",
+                "sha256:41d07d029dd4157ae27beab04d22b8e261eddfc6ecd64ff7000b10dc8b3a5727",
+                "sha256:46ed616d5fb42f98630ed70c3529541408166c22cdfd4540b88d5f21006b0eff",
+                "sha256:493d389a2b63c88ad56cdc35d0fa5752daac56ca755805b1b0c530f785767d5e",
+                "sha256:4ff0d20f2e670800d3ed2b220d40984162089a6e2c9646fdb09b85e6f9a8fc29",
+                "sha256:54accd4b8bc202966bafafd16e69da9d5640ff92389d33d28555c5fd4f25ccb7",
+                "sha256:56374914b132c702aa9aa9959c550004b8847148f95e1b824772d453ac204a72",
+                "sha256:578383d740457fa790fdf85e6d346fda1416a40549fe8db08e5e9bd281c6a475",
+                "sha256:58d7a75d731e8c63614222bcb21dd992b4ab01a399f1f09dd82af17bbfc2368a",
+                "sha256:5c5aa28df055697d7c37d2099a7bc09f559d5053c3349b1ad0c39000e611d317",
+                "sha256:5fc8e02f5984a55d2c653f5fea93531e9836abbd84342c1d1e17abc4a15084c2",
+                "sha256:63424c681923b9f3bfbc5e3205aafe790904053d42ddcc08542181a30a7a51bd",
+                "sha256:64b1df0f83706b4ef4cfb4fb0e4c2669100fd7ecacfb59e091fad300d4e04640",
+                "sha256:74934ebd71950e3db69960a7da29204f89624dde411afbfb3b4858c1409b1e98",
+                "sha256:75669d77bb2c071333417617a235324a1618dba66f82a750362eccbe5b61d248",
+                "sha256:75760a47c06b5974aa5e01949bf7e66d2af4d08cb8c1d6516af5e39595397f5e",
+                "sha256:76407ab327158c510f44ded207e2f76b657303e17cb7a572ffe2f5a8a48aa04d",
+                "sha256:76e9c727a874b4856d11a32fb0b389afc61ce8aaf281ada613713ddeadd1cfec",
+                "sha256:77d4c1b881076c3ba173484dfa53d3582c1c8ff1f914c6461ab70c8428b796c1",
+                "sha256:780c82a41dc493b62fc5884fb1d3a3b81106642c5c5c78d6a0d4cbe96d62ba7e",
+                "sha256:7dc0713bf81287a00516ef43137273b23ee414fe41a3c14be10dd95ed98a2df9",
+                "sha256:7eebcdbe3677e58dd4c0e03b4f2cfa346ed4049687d839adad68cc38bb559c92",
+                "sha256:896689fddba4f23ef7c718279e42f8834041a21342d95e56922e1c10c0cc7afb",
+                "sha256:96177eb5645b1c6985f5c11d03fc2dbda9ad24ec0f3a46dcce91445747e15094",
+                "sha256:96e25c8603a155559231c19c0349245eeb4ac0096fe3c1d0be5c47e075bd4f46",
+                "sha256:9d37ac69edc5614b90516807de32d08cb8e7b12260a285ee330955604ed9dd29",
+                "sha256:9ed6aa0726b9b60911f4aed8ec5b8dd7bf3491476015819f56473ffaef8959bd",
+                "sha256:a487f72a25904e2b4bbc0817ce7a8de94363bd7e79890510174da9d901c38705",
+                "sha256:a4cbb9ff5795cd66f0066bdf5947f170f5d63a9274f99bdbca02fd973adcf2a8",
+                "sha256:a74d56552ddbde46c246b5b89199cb3fd182f9c346c784e1a93e4dc3f5ec9975",
+                "sha256:a89ce3fd220ff144bd9d54da333ec0de0399b52c9ac3d2ce34b569cf1a5748fb",
+                "sha256:abd52a09d03adf9c763d706df707c343293d5d106aea53483e0ec8d9e310ad5e",
+                "sha256:abd8f36c99512755b8456047b7be10372fca271bf1467a1caa88db991e7c421b",
+                "sha256:af5bd9ccb188f6a5fdda9f1f09d9f4c86cc8a539bd48a0bfdc97723970348418",
+                "sha256:b02f21c1e2074943312d03d243ac4388319f2456576b2c6023041c4d57cd7019",
+                "sha256:b06fa97478a5f478fb05e1980980a7cdf2712015493b44d0c87606c1513ed5b1",
+                "sha256:b0724f05c396b0a4c36a3226c31648385deb6a65d8992644c12a4963c70326ba",
+                "sha256:b130fe77361d6771ecf5a219d8e0817d61b236b7d8b37cc045172e574ed219e6",
+                "sha256:b56d5519e470d3f2fe4aa7585f0632b060d532d0696c5bdfb5e8319e1d0f69a2",
+                "sha256:b67b819628e3b748fd3c2192c15fb951f549d0f47c0449af0764d7647302fda3",
+                "sha256:ba1711cda2d30634a7e452fc79eabcadaffedf241ff206db2ee93dd2c89a60e7",
+                "sha256:bbeccb1aa40ab88cd29e6c7d8585582c99548f55f9b2581dfc5ba68c59a85752",
+                "sha256:bd84395aab8e4d36263cd1b9308cd504f6cf713b7d6d3ce25ea55670baec5416",
+                "sha256:c99f4309f5145b93eca6e35ac1a988f0dc0a7ccf9ccdcd78d3c0adf57224e62f",
+                "sha256:ca1cccf838cd28d5a0883b342474c630ac48cac5df0ee6eacc9c7290f76b11c1",
+                "sha256:cd525e0e52a5ff16653a3fc9e3dd827981917d34996600bbc34c05d048ca35cc",
+                "sha256:cdb4f085756c96a3af04e6eca7f08b1345e94b53af8921b25c72f096e704e145",
+                "sha256:ce42618f67741d4697684e501ef02f29e758a123aa2d669e2d964ff734ee00ee",
+                "sha256:d06730c6aed78cee4126234cf2d071e01b44b915e725a6cb439a879ec9754a3a",
+                "sha256:d5fe3e099cf07d0fb5a1e23d399e5d4d1ca3e6dfcbe5c8570ccff3e9208274f7",
+                "sha256:d6bcbfc99f55655c3d93feb7ef3800bd5bbe963a755687cbf1f490a71fb7794b",
+                "sha256:d787272ed958a05b2c86311d3a4135d3c2aeea4fc655705f074130aa57d71653",
+                "sha256:e169e957c33576f47e21864cf3fc9ff47c223a4ebca8960079b8bd36cb014fd0",
+                "sha256:e20076a211cd6f9b44a6be58f7eeafa7ab5720eb796975d0c03f05b47d89eb90",
+                "sha256:e826aadda3cae59295b95343db8f3d965fb31059da7de01ee8d1c40a60398b29",
+                "sha256:eef4d64c650f33347c1f9266fa5ae001440b232ad9b98f1f43dfe7a79435c0a6",
+                "sha256:f2e69b3ed24544b0d3dbe2c5c0ba5153ce50dcebb576fdc4696d52aa22db6034",
+                "sha256:f87ec75864c37c4c6cb908d282e1969e79763e0d9becdfe9fe5473b7bb1e5f09",
+                "sha256:fbec11614dba0424ca72f4e8ba3c420dba07b4a7c206c8c8e4e73f2e98f4c559",
+                "sha256:fd69666217b62fa5d7c6aa88e507493a34dec4fa20c5bd925e4bc12fce586639"
             ],
             "markers": "python_version < '3.11'",
-            "version": "==1.14.1"
+            "version": "==1.15.0"
         }
     },
     "develop": {
@@ -485,7 +478,7 @@
                 "sha256:37f927ea17cde7ae2d7baf832f8e80ce3777624554a653006c9144f8017fe410",
                 "sha256:762cb2bfad61f4ec8e2bdf452c7c267416f8c70dd9ecb1653fd0bbb01fa936e6"
             ],
-            "index": "pypi",
+            "markers": "python_version >= '3.5'",
             "version": "==1.0.1"
         }
     }
diff --git a/gce_rescue/bin/instance-1.log b/gce_rescue/bin/instance-1.log
deleted file mode 100644
index ea0d333..0000000
--- a/gce_rescue/bin/instance-1.log
+++ /dev/null
@@ -1,3 +0,0 @@
-2023-03-21:17:05:27,250 INFO     [__init__.py:49]      file_cache is only supported with oauth2client<4.0.0
-2023-03-26:11:27:31,975 INFO     [__init__.py:49]      file_cache is only supported with oauth2client<4.0.0
-2023-03-28:17:23:03,448 INFO     [__init__.py:49]      file_cache is only supported with oauth2client<4.0.0
diff --git a/gce_rescue/bin/rescue.py b/gce_rescue/bin/rescue.py
index 1876809..0535b6b 100755
--- a/gce_rescue/bin/rescue.py
+++ b/gce_rescue/bin/rescue.py
@@ -21,7 +21,7 @@
 
 from gce_rescue.config import process_args, set_configs
 from gce_rescue import messages
-from gce_rescue.rescue import Instance
+from gce_rescue.gce import Instance
 from gce_rescue.tasks.actions import call_tasks
 from gce_rescue.utils import read_input, set_logging
 
@@ -75,4 +75,4 @@ def main():
 
 
 if __name__ == '__main__':
-  main()
+  main()
\ No newline at end of file
diff --git a/gce_rescue/config.py b/gce_rescue/config.py
index 31ee26c..aa8ac82 100644
--- a/gce_rescue/config.py
+++ b/gce_rescue/config.py
@@ -19,7 +19,10 @@
 
 dirname = os.path.dirname(__file__)
 
+VERSION = '0.3-beta'
+
 config = {
+  'version': VERSION,
   'debug': False,
   'startup-script-file': os.path.join(dirname, 'startup-script.txt'),
   'source_guests': {
@@ -41,8 +44,8 @@ def get_config(key):
 
 def process_args():
   """ Print usage options. """
-  parser = argparse.ArgumentParser(description='GCE Rescue v0.0.2-1 - Set/Reset\
-    GCE instances to boot in rescue mode.')
+  parser = argparse.ArgumentParser(description=f'GCE Rescue v{VERSION} - \
+    Set/Reset GCE instances to boot in rescue mode.')
   parser.add_argument('-p', '--project',
                       help='The project-id that has the instance.')
   parser.add_argument('-z', '--zone', help='Zone where the instance \
diff --git a/gce_rescue/rescue.py b/gce_rescue/gce.py
similarity index 68%
rename from gce_rescue/rescue.py
rename to gce_rescue/gce.py
index f9c2a8b..bf43b56 100644
--- a/gce_rescue/rescue.py
+++ b/gce_rescue/gce.py
@@ -14,27 +14,87 @@
 
 """ Initilization Instance() with VM information. """
 
+from googleapiclient.discovery import Resource
+
 from dataclasses import dataclass, field
 from typing import Dict, List, Union
-
+from time import time
 from gce_rescue.tasks.backup import backup_metadata_items
 from gce_rescue.tasks.disks import list_disk
 from gce_rescue.tasks.pre_validations import Validations
-from gce_rescue.utils import (
-  validate_instance_mode,
-  guess_guest,
-  get_instance_info
-)
-import googleapiclient.discovery
+from gce_rescue.config import get_config
+
+
+def get_instance_info(
+  compute: Resource,
+  name: str,
+  project_data: Dict[str, str]
+) -> Dict:
+  """Set Dictionary with complete data from instances().get() from the instance.
+  https://cloud.google.com/compute/docs/reference/rest/v1/instances/get
+  Attributes:
+    compute: obj, API Object
+    instance: str, Instace name
+    project_data: dict, Dictionary containing project and zone keys to be
+      unpacked when calling the API.
+  """
+  return compute.instances().get(
+      **project_data,
+      instance = name).execute()
+
+
+def guess_guest(data: Dict) -> str:
+  """Determined which Guest OS Family is being used and select a
+  different OS for recovery disk.
+     Default: projects/debian-cloud/global/images/family/debian-11"""
+
+  guests = get_config('source_guests')
+  for disk in data['disks']:
+    if disk['boot']:
+      if 'architecture' in disk:
+        arch = disk['architecture'].lower()
+      else:
+        arch = 'x86_64'
+      guest_default = guests[arch][0]
+      guest_name = guest_default.split('/')[-1]
+      for lic in disk['licenses']:
+        if guest_name in lic:
+          guest_default = guests[arch][1]
+  return guest_default
+
+
+def validate_instance_mode(data: Dict) -> Dict:
+  """Validate if the instance is already configured as rescue mode."""
+
+  result = {
+      'rescue-mode': False,
+      'ts': generate_ts()
+  }
+  if 'metadata' in data and  'items' in data['metadata']:
+    metadata = data['metadata']
+    for item in metadata['items']:
+      if item['key'] == 'rescue-mode':
+        result = {
+          'rescue-mode': True,
+          'ts': item['value']
+        }
+
+  return result
+
+def generate_ts() -> int:
+  """Get the current timestamp to be used as unique ID
+  during this execution."""
+  return int(time())
+
 
 @dataclass
-class Instance:
+class Instance(Resource):
   """Initialize instance."""
   zone: str
   name: str
   project: str = None
   test_mode: bool = field(default_factory=False)
-  compute: googleapiclient.discovery.Resource = field(init=False)
+  compute: Resource = field(init=False)
   data: Dict[str, Union[str, int]] = field(init=False)
   ts: int = field(init=False)
   _status: str = ''
diff --git a/gce_rescue/rescue_test.py b/gce_rescue/gce_test.py
similarity index 98%
rename from gce_rescue/rescue_test.py
rename to gce_rescue/gce_test.py
index e63c240..6001862 100644
--- a/gce_rescue/rescue_test.py
+++ b/gce_rescue/gce_test.py
@@ -15,7 +15,7 @@
 """Test code for rescue.py."""
 
 from absl.testing import absltest
-from gce_rescue.rescue import Instance
+from gce_rescue.gce import Instance
 from gce_rescue.test.mocks import (
   mock_api_object,
   MOCK_TEST_VM,
diff --git a/gce_rescue/messages.py b/gce_rescue/messages.py
index 34881b3..c46a33d 100644
--- a/gce_rescue/messages.py
+++ b/gce_rescue/messages.py
@@ -14,7 +14,7 @@
 
 """ List of messages to inform and educate the user. """
 
-from gce_rescue.rescue import Instance
+from gce_rescue.gce import Instance
 
 def tip_connect_ssh(vm: Instance) -> str:
   return (f'└── Your instance is READY! You can now connect your instance '
diff --git a/gce_rescue/messages_test.py b/gce_rescue/messages_test.py
index 4636409..2608ea0 100644
--- a/gce_rescue/messages_test.py
+++ b/gce_rescue/messages_test.py
@@ -16,7 +16,7 @@
 
 from absl.testing import absltest
 from gce_rescue import messages
-from gce_rescue.rescue import Instance
+from gce_rescue.gce import Instance
 from gce_rescue.test.mocks import mock_api_object, MOCK_TEST_VM
 
 
diff --git a/gce_rescue/multitasks.py b/gce_rescue/multitasks.py
deleted file mode 100644
index e894347..0000000
--- a/gce_rescue/multitasks.py
+++ /dev/null
@@ -1,46 +0,0 @@
-# Copyright 2021 Google LLC
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-""" Class to handle multithread tasks. """
-
-from threading import Thread
-
-class Handler(Thread):
-  """Handler for multithread tasks."""
-
-  def __init__(
-      self,
-      group=None,
-      target=None,
-      name=None,
-      args=None,
-      kwargs=None
-    ):
-
-    if not args:
-      args = ()
-
-    if not kwargs:
-      kwargs = {}
-
-    Thread.__init__(self, group, target, name, args, kwargs)
-    self._result = None
-
-  def run(self):
-    if self._target is not None:
-      self._result = self._target(*self._args, **self._kwargs)
-
-  def result(self, *args):
-    Thread.join(self, *args)
-    return self._result
diff --git a/gce_rescue/tasks/actions.py b/gce_rescue/tasks/actions.py
index 587a740..610a78c 100644
--- a/gce_rescue/tasks/actions.py
+++ b/gce_rescue/tasks/actions.py
@@ -14,10 +14,10 @@
 
 """ List of ordered tasks to be executed when set/reset VM rescue mode. """
 
-from typing import Dict
+from typing import List
 import logging
 
-from gce_rescue.rescue import Instance
+from gce_rescue.gce import Instance
 from gce_rescue.tasks.disks import (
   config_rescue_disks,
   restore_original_disk,
@@ -35,7 +35,7 @@
 
 _logger = logging.getLogger(__name__)
 
-def _list_tasks(vm: Instance, action: str) -> Dict:
+def _list_tasks(vm: Instance, action: str) -> List:
   """ List tasks, by order, per operation
     operations (str):
       1. set_rescue_mode
@@ -113,7 +113,7 @@ def _list_tasks(vm: Instance, action: str) -> Dict:
 
   if action not in all_tasks:
     _logger.info(f'Unable to find "{action}".')
-    raise Exception(ValueError)
+    raise ValueError()
   return all_tasks[action]
 
 
diff --git a/gce_rescue/tasks/backup.py b/gce_rescue/tasks/backup.py
index 90fabcc..e08ee23 100644
--- a/gce_rescue/tasks/backup.py
+++ b/gce_rescue/tasks/backup.py
@@ -15,7 +15,7 @@
 """ Different operations to guarantee VM disks backup, before performing
     any modifications."""
 
-from gce_rescue.utils import wait_for_operation
+from gce_rescue.tasks.keeper import wait_for_operation
 from typing import Dict, List
 import logging
 
diff --git a/gce_rescue/tasks/backup_test.py b/gce_rescue/tasks/backup_test.py
index 9580cf8..8f886d8 100644
--- a/gce_rescue/tasks/backup_test.py
+++ b/gce_rescue/tasks/backup_test.py
@@ -17,7 +17,7 @@
 from absl.testing import absltest
 from gce_rescue.tasks import backup
 from gce_rescue.test.mocks import mock_api_object, MOCK_TEST_VM
-from gce_rescue.rescue import Instance
+from gce_rescue.gce import Instance
 
 
 class BackupTest(absltest.TestCase):
diff --git a/gce_rescue/tasks/disks.py b/gce_rescue/tasks/disks.py
index d487580..bc19a84 100644
--- a/gce_rescue/tasks/disks.py
+++ b/gce_rescue/tasks/disks.py
@@ -19,9 +19,9 @@
 
 import googleapiclient.errors
 
-from gce_rescue.utils import wait_for_operation
+from gce_rescue.tasks.keeper import wait_for_operation
 from gce_rescue.tasks.backup import  backup
-from gce_rescue.multitasks import Handler
+from gce_rescue.utils import ThreadHandler as Handler
 
 _logger = logging.getLogger(__name__)
 
diff --git a/gce_rescue/tasks/disks_test.py b/gce_rescue/tasks/disks_test.py
index 0c458e4..940e7a4 100644
--- a/gce_rescue/tasks/disks_test.py
+++ b/gce_rescue/tasks/disks_test.py
@@ -17,7 +17,7 @@
 from absl.testing import absltest
 from absl import logging
 
-from gce_rescue.rescue import Instance
+from gce_rescue.gce import Instance
 from gce_rescue.tasks import disks
 from gce_rescue.test.mocks import (
   mock_api_object,
diff --git a/gce_rescue/tasks/keeper.py b/gce_rescue/tasks/keeper.py
new file mode 100644
index 0000000..4dc870b
--- /dev/null
+++ b/gce_rescue/tasks/keeper.py
@@ -0,0 +1,66 @@
+# Copyright 2021 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# pylint: disable=broad-exception-raised
+
+"""keeper that the progress of the tasks. """
+
+import googleapiclient.discovery
+from time import sleep
+from typing import Dict
+import logging
+import json
+
+_logger = logging.getLogger(__name__)
+
+
+def wait_for_operation(
+  instance_obj: googleapiclient.discovery.Resource,
+  oper: Dict
+) -> Dict:
+  """ Creating poll to wait the operation to finish. """
+
+  while True:
+    if oper['status'] == 'DONE':
+      _logger.info('done.')
+      if 'error' in oper:
+        raise Exception(oper['error'])
+      return oper
+
+    oper = instance_obj.compute.zoneOperations().get(
+      **instance_obj.project_data,
+      operation = oper['name']).execute()
+    sleep(1)
+
+def wait_for_os_boot(vm: googleapiclient.discovery.Resource) -> bool:
+  """Wait guest OS to complete the boot proccess."""
+
+  timeout = 60
+  wait_time = 2
+  end_string = f'END:{vm.ts}'
+  _logger.info('Waiting startup-script to complete.')
+  while True:
+    result = vm.compute.instances().getSerialPortOutput(
+      **vm.project_data,
+      instance = vm.name
+    ).execute()
+
+    if end_string in json.dumps(result):
+      _logger.info('startup-script has ended.')
+      return True
+
+    sleep(wait_time)
+    timeout -= wait_time
+    if not timeout:
+      return False
\ No newline at end of file
diff --git a/gce_rescue/tasks/metadata.py b/gce_rescue/tasks/metadata.py
index 6320385..e08dd0b 100644
--- a/gce_rescue/tasks/metadata.py
+++ b/gce_rescue/tasks/metadata.py
@@ -15,7 +15,7 @@
 """ Different functions to modify VM custom metadata. """
 
 from gce_rescue.config import get_config
-from gce_rescue.utils import wait_for_operation, wait_for_os_boot
+from gce_rescue.tasks.keeper import wait_for_operation, wait_for_os_boot
 from typing import Dict
 import logging
 
diff --git a/gce_rescue/tasks/metadata_test.py b/gce_rescue/tasks/metadata_test.py
index 7b2b8b8..cc1abe9 100644
--- a/gce_rescue/tasks/metadata_test.py
+++ b/gce_rescue/tasks/metadata_test.py
@@ -15,9 +15,8 @@
 """Test code for metadata.py."""
 
 from absl.testing import absltest
-from absl import logging
 
-from gce_rescue.rescue import Instance
+from gce_rescue.gce import Instance
 from gce_rescue.tasks import metadata
 from gce_rescue.test.mocks import  mock_api_object, MOCK_TEST_VM
 
diff --git a/gce_rescue/tasks/operations.py b/gce_rescue/tasks/operations.py
index dcf0871..8ad0ffe 100644
--- a/gce_rescue/tasks/operations.py
+++ b/gce_rescue/tasks/operations.py
@@ -14,8 +14,8 @@
 
 """ Standard VM operations. """
 
-from gce_rescue.rescue import Instance
-from gce_rescue.utils import wait_for_operation
+from gce_rescue.gce import Instance
+from gce_rescue.tasks.keeper import wait_for_operation
 import logging
 
 _logger = logging.getLogger(__name__)
diff --git a/gce_rescue/tasks/operations_test.py b/gce_rescue/tasks/operations_test.py
index c2c7d9c..a88de66 100644
--- a/gce_rescue/tasks/operations_test.py
+++ b/gce_rescue/tasks/operations_test.py
@@ -15,7 +15,7 @@
 """Test code for operations.py."""
 
 from absl.testing import absltest
-from gce_rescue.rescue import Instance
+from gce_rescue.gce import Instance
 from gce_rescue.tasks.operations import start_instance, stop_instance
 from gce_rescue.test.mocks import mock_api_object, MOCK_TEST_VM
 
diff --git a/gce_rescue/tasks/pre_validations.py b/gce_rescue/tasks/pre_validations.py
index 5c1a981..b8f36a4 100644
--- a/gce_rescue/tasks/pre_validations.py
+++ b/gce_rescue/tasks/pre_validations.py
@@ -18,6 +18,7 @@
 
 from dataclasses import dataclass, field
 import googleapiclient.discovery
+from gce_rescue.tasks.validations.authorization import authorize_check
 from gce_rescue.tasks.validations.authentication import (
   authenticate_check,
   project_name
@@ -42,6 +43,10 @@ def _authentication(self):
       test_mode = self.test_mode,
     )
 
+  def __post_init__(self):
+    if not self.test_mode:
+      authorize_check(project = self.project)
+
   @property
   def compute(self) -> googleapiclient.discovery.Resource:
     return self._authentication()
diff --git a/gce_rescue/tasks/validations/api.py b/gce_rescue/tasks/validations/api.py
new file mode 100644
index 0000000..a85d4fd
--- /dev/null
+++ b/gce_rescue/tasks/validations/api.py
@@ -0,0 +1,44 @@
+# Copyright 2021 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+""" Common API objects """
+import googleapiclient
+import google_auth_httplib2
+import httplib2
+
+from google.oauth2.credentials import Credentials
+from googleapiclient.discovery import Resource
+
+from gce_rescue.config import VERSION
+
+def api_service(
+    service: str,
+    version: str,
+    credentials: Credentials) -> Resource:
+
+  def _builder(http, *args, **kwargs):
+    # google api client is not thread safe
+    # https://github.com/googleapis/google-api-python-client/blob/main/docs/thread_safety.md
+    del http
+    headers = kwargs.setdefault('headers',{})
+    headers['user-agent'] = f'gce_rescue-{VERSION}'
+    auth_http = google_auth_httplib2.AuthorizedHttp(credentials,
+                                                   http=httplib2.Http())
+    return googleapiclient.http.HttpRequest(auth_http, *args, **kwargs)
+
+  service_ = googleapiclient.discovery.build(service, version,
+                        cache_discovery=False,
+                        credentials=credentials,
+                        requestBuilder=_builder)
+  return service_
diff --git a/gce_rescue/tasks/validations/authentication.py b/gce_rescue/tasks/validations/authentication.py
index 0e729f3..db75b55 100644
--- a/gce_rescue/tasks/validations/authentication.py
+++ b/gce_rescue/tasks/validations/authentication.py
@@ -13,9 +13,11 @@
 # limitations under the License.
 
 """ Authentication validation to be called from ../pre_validations.py """
-import googleapiclient.discovery
 import google.auth
 import sys
+
+from googleapiclient.discovery import Resource
+from gce_rescue.tasks.validations.api import api_service
 from gce_rescue.test.mocks import mock_api_object
 
 PROJECT = ''
@@ -41,7 +43,7 @@ def authenticate_check(
   instance_name: str,
   project: str = None,
   test_mode: bool = False
-) -> googleapiclient.discovery.Resource:
+) -> Resource:
   global PROJECT
   PROJECT = project
   if test_mode:
@@ -50,11 +52,12 @@ def authenticate_check(
   credentials = _get_auth()
   if not credentials:
     return False
-  service = googleapiclient.discovery.build(
-    'compute',
-    'v1',
-    credentials = credentials
-  )
+  # service = googleapiclient.discovery.build(
+  #   'compute',
+  #   'v1',
+  #   credentials = credentials
+  # )
+  service =  api_service('compute', 'v1', credentials)
   request = service.instances().get(
 		project = PROJECT,
 		zone = zone,
diff --git a/gce_rescue/tasks/validations/authorization.py b/gce_rescue/tasks/validations/authorization.py
new file mode 100644
index 0000000..a46dece
--- /dev/null
+++ b/gce_rescue/tasks/validations/authorization.py
@@ -0,0 +1,51 @@
+# Copyright 2021 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""
+Authorization validation to be called from ../pre_validations.py
+Permissions:
+  compute.instances.stop
+  compute.instances.start
+  compute.instances.attachDisk
+  compute.instances.detachDisk
+  compute.images.useReadOnly
+  compute.disks.use
+  compute.disks.setLabels
+  compute.snapshots.create
+  compute.disks.createSnapshot
+  compute.instances.setMetadata
+  compute.instances.setLabels
+"""
+import google.auth
+from gce_rescue.tasks.validations.api import api_service
+
+def authorize_check(project: str = None) -> bool:
+
+  permissions_list = ['compute.snapshots.create']
+  body_data = {'permissions': permissions_list}
+  credentials, project_id = google.auth.default()
+
+  if not project:
+    project = project_id
+
+  service = api_service('cloudresourcemanager', 'v1', credentials)
+  result = service.projects().testIamPermissions(
+    resource = project,
+    body =  body_data
+  ).execute()
+
+  if permissions_list != result['permissions']:
+    raise PermissionError()
+
+  return True
diff --git a/gce_rescue/utils.py b/gce_rescue/utils.py
index adf7da3..156124f 100644
--- a/gce_rescue/utils.py
+++ b/gce_rescue/utils.py
@@ -16,15 +16,13 @@
 
 """ List of classes and functions to be used across the code. """
 
-import googleapiclient.discovery
-
-from time import time, sleep
-from typing import Dict
-from gce_rescue.config import get_config
+from time import sleep
 import logging
 import multiprocessing
+from threading import Thread
 import sys
-import json
+from gce_rescue.config import get_config
+
 
 _logger = logging.getLogger(__name__)
 
@@ -88,105 +86,35 @@ def _print(self):
       file=sys.stderr,
       flush=True)
 
-def get_instance_info(
-  compute: googleapiclient.discovery.Resource,
-  name: str,
-  project_data: Dict[str, str]
-) -> Dict:
-  """Set Dictionary with complete data from instances().get() from the instance.
-  https://cloud.google.com/compute/docs/reference/rest/v1/instances/get
-  Attributes:
-    compute: obj, API Object
-    instance: str, Instace name
-    project_data: dict, Dictionary containing project and zone keys to be
-      unpacked when calling the API.
-  """
-  return compute.instances().get(
-      **project_data,
-      instance = name).execute()
-
-def generate_ts() -> int:
-  """Get the current timestamp to be used as unique ID
-  during this execution."""
-  return int(time())
-
-def validate_instance_mode(data: Dict) -> Dict:
-  """Validate if the instance is already configured as rescue mode."""
-
-  result = {
-      'rescue-mode': False,
-      'ts': generate_ts()
-  }
-  if 'metadata' in data and  'items' in data['metadata']:
-    metadata = data['metadata']
-    for item in metadata['items']:
-      if item['key'] == 'rescue-mode':
-        result = {
-          'rescue-mode': True,
-          'ts': item['value']
-        }
-
-  return result
-
-def guess_guest(data: Dict) -> str:
-  """Determined which Guest OS Family is being used and select a
-  different OS for recovery disk.
-     Default: projects/debian-cloud/global/images/family/debian-11"""
-
-  guests = get_config('source_guests')
-  for disk in data['disks']:
-    if disk['boot']:
-      if 'architecture' in disk:
-        arch = disk['architecture'].lower()
-      else:
-        arch = 'x86_64'
-      guest_default = guests[arch][0]
-      guest_name = guest_default.split('/')[-1]
-      for lic in disk['licenses']:
-        if guest_name in lic:
-          guest_default = guests[arch][1]
-  return guest_default
-
-
-def wait_for_operation(
-  instance_obj: googleapiclient.discovery.Resource,
-  oper: Dict
-) -> Dict:
-  """ Creating poll to wait the operation to finish. """
-
-  while True:
-    if oper['status'] == 'DONE':
-      _logger.info('done.')
-      if 'error' in oper:
-        raise Exception(oper['error'])
-      return oper
-
-    oper = instance_obj.compute.zoneOperations().get(
-      **instance_obj.project_data,
-      operation = oper['name']).execute()
-    sleep(1)
-
-def wait_for_os_boot(vm: googleapiclient.discovery.Resource) -> bool:
-  """Wait guest OS to complete the boot proccess."""
-
-  timeout = 60
-  wait_time = 2
-  end_string = f'END:{vm.ts}'
-  _logger.info('Waiting startup-script to complete.')
-  while True:
-    result = vm.compute.instances().getSerialPortOutput(
-      **vm.project_data,
-      instance = vm.name
-    ).execute()
-
-    if end_string in json.dumps(result):
-      _logger.info('startup-script has ended.')
-      return True
-
-    sleep(wait_time)
-    timeout -= wait_time
-    if not timeout:
-      return False
+
+class ThreadHandler(Thread):
+  """Handler for multithread tasks."""
+
+  def __init__(
+      self,
+      group=None,
+      target=None,
+      name=None,
+      args=None,
+      kwargs=None
+    ):
+
+    if not args:
+      args = ()
+
+    if not kwargs:
+      kwargs = {}
+
+    Thread.__init__(self, group, target, name, args, kwargs)
+    self._result = None
+
+  def run(self):
+    if self._target is not None:
+      self._result = self._target(*self._args, **self._kwargs)
+
+  def result(self, *args):
+    Thread.join(self, *args)
+    return self._result
 
 
 def set_logging(vm_name: str) -> None:
@@ -203,6 +131,7 @@ def set_logging(vm_name: str) -> None:
     datefmt='%Y-%m-%d:%H:%M:%S',
     level=log_level)
 
+
 def read_input(msg: str) -> None:
   """Read user input if --force is not provided."""
   print(msg, end='')
@@ -211,3 +140,4 @@ def read_input(msg: str) -> None:
   if input_answer.upper() != 'Y':
     print(f'got input: "{input_answer}". Aborting')
     sys.exit(1)
+    
\ No newline at end of file
diff --git a/gce_rescue/multitasks_test.py b/gce_rescue/utils_test.py
similarity index 89%
rename from gce_rescue/multitasks_test.py
rename to gce_rescue/utils_test.py
index 395fb30..9e9d2ae 100644
--- a/gce_rescue/multitasks_test.py
+++ b/gce_rescue/utils_test.py
@@ -15,7 +15,7 @@
 """ Multitask test code """
 
 from absl.testing import absltest
-from gce_rescue.multitasks import Handler
+from gce_rescue.utils import ThreadHandler as Handler
 import time
 
 OUTPUT1 = 'task1 done'
@@ -31,8 +31,8 @@ class MultitasksTest(absltest.TestCase):
 
   @classmethod
   def task1(cls):
-    for i in range(0, 3):
-      print(f'task 1, time {i}')
+    for _ in range(0, 3):
+      # print(f'task 1, time {i}')
       time.sleep(0.001)
     MultitasksTest.status['task1_done'] = True
     return OUTPUT1
@@ -40,8 +40,8 @@ def task1(cls):
 
   @classmethod
   def task2(cls):
-    for i in range(0, 3):
-      print(f'task 2, time {i}')
+    for _ in range(0, 3):
+      # print(f'task 2, time {i}')
       time.sleep(0.001)
     MultitasksTest.status['task2_done'] = True
     return OUTPUT2
diff --git a/setup.py b/setup.py
index 113ae8b..87cb78f 100755
--- a/setup.py
+++ b/setup.py
@@ -19,6 +19,8 @@
 from setuptools import setup, find_packages
 from os import path
 
+from gce_rescue.config import VERSION
+
 my_pwd = path.abspath(path.dirname(__file__))
 
 # Get the long description from the README file
@@ -31,7 +33,7 @@
 
 setup(
   name = 'gce-rescue',
-  version = '0.0.2-1',
+  version = VERSION,
   description='GCE Rescue - Boot your GCE VM in rescue mode.',
   url = 'https://github.com/googlecloudplatform/gce-rescue',
   author = 'Halley de Souza',
@@ -51,10 +53,14 @@
         ],
     },
   classifiers = [
-    'Development Status :: 3 - Alpha',
     'License :: OSI Approved :: Apache Software License',
     'Operating System :: OS Independent',
-    'Programming Language :: Python :: 3',
+    'Programming Language :: Python :: 3.7',
+    'Programming Language :: Python :: 3.8',
+    'Programming Language :: Python :: 3.9',
+    'Programming Language :: Python :: 3.10',
+    'Programming Language :: Python :: 3.11',
+    'Programming Language :: Python :: 3.12',
     'Topic :: System :: Boot',
     'Topic :: System :: Boot :: Init',
     'Topic :: System :: Recovery Tools',