code added
This commit is contained in:
parent
ecdb02164c
commit
01296e998e
13 changed files with 430 additions and 0 deletions
3
.gitignore
vendored
3
.gitignore
vendored
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@ -1 +1,4 @@
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*.png
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__pycache__/
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etcd3_wrapper
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13
Pipfile
Normal file
13
Pipfile
Normal file
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@ -0,0 +1,13 @@
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[[source]]
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name = "pypi"
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url = "https://pypi.org/simple"
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verify_ssl = true
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[dev-packages]
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[packages]
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python-etcd3 = {editable = true,git = "https://github.com/kragniz/python-etcd3"}
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pylint = "*"
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[requires]
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python_version = "3.7"
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179
Pipfile.lock
generated
Normal file
179
Pipfile.lock
generated
Normal file
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@ -0,0 +1,179 @@
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|||
{
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||||
"_meta": {
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||||
"hash": {
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||||
"sha256": "ffcb074068a4397c180d89ef54fa8dfe23f2a7625c422bb69e932fa2718da782"
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},
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||||
"pipfile-spec": 6,
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"requires": {
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"python_version": "3.7"
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},
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"sources": [
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{
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"name": "pypi",
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"url": "https://pypi.org/simple",
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"verify_ssl": true
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}
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]
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},
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"default": {
|
||||
"astroid": {
|
||||
"hashes": [
|
||||
"sha256:6560e1e1749f68c64a4b5dee4e091fce798d2f0d84ebe638cf0e0585a343acf4",
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||||
"sha256:b65db1bbaac9f9f4d190199bb8680af6f6f84fd3769a5ea883df8a91fe68b4c4"
|
||||
],
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||||
"version": "==2.2.5"
|
||||
},
|
||||
"grpcio": {
|
||||
"hashes": [
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||||
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||||
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||||
"sha256:a6e028c2a6da2ebfa2365a5b32531d311fbfec0e3600fc27e901b64f0ff7e54e",
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||||
"sha256:adcdebf9f8463df4120c427cf6c9aed39258bccd03ed37b6939e7a145d64d6e0",
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||||
"sha256:bdec982610259d07156a58f80b8c3e69be7751a9208bc577b059c5193d087fad",
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||||
"sha256:cefc4d4251ffb73feb303d4b7e9d6c367cb60f2db16d259ea28b114045f965aa",
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||||
"sha256:d4145c8aa6afbac10ad27e408f7ce15992fe89ba5d0b4abca31c0c2729864c03",
|
||||
"sha256:da76dc5ad719ee99de5ea28a5629ff92172cbb4a70d8a6ae3a5b7a53c7382ce1",
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||||
"sha256:dde2452c08ef8b6426ccab6b5b6de9f06d836d9937d6870e68153cbf8cb49348",
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||||
"sha256:e3d88091d2539a4868750914a6fe7b9ec50e42b913851fc1b77423b5bd918530",
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||||
"sha256:f9c67cfe6278499d7f83559dc6322a8bbb108e307817a3d7acbfea807b3603cc"
|
||||
],
|
||||
"version": "==1.22.0"
|
||||
},
|
||||
"isort": {
|
||||
"hashes": [
|
||||
"sha256:54da7e92468955c4fceacd0c86bd0ec997b0e1ee80d97f67c35a78b719dccab1",
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||||
"sha256:6e811fcb295968434526407adb8796944f1988c5b65e8139058f2014cbe100fd"
|
||||
],
|
||||
"version": "==4.3.21"
|
||||
},
|
||||
"lazy-object-proxy": {
|
||||
"hashes": [
|
||||
"sha256:159a745e61422217881c4de71f9eafd9d703b93af95618635849fe469a283661",
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||||
"sha256:3b11be575475db2e8a6e11215f5aa95b9ec14de658628776e10d96fa0b4dac13",
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||||
"sha256:3f447aff8bc61ca8b42b73304f6a44fa0d915487de144652816f950a3f1ab821",
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||||
"sha256:4ba73f6089cd9b9478bc0a4fa807b47dbdb8fad1d8f31a0f0a5dbf26a4527a71",
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||||
"sha256:4f53eadd9932055eac465bd3ca1bd610e4d7141e1278012bd1f28646aebc1d0e",
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||||
"sha256:64483bd7154580158ea90de5b8e5e6fc29a16a9b4db24f10193f0c1ae3f9d1ea",
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||||
"sha256:6f72d42b0d04bfee2397aa1862262654b56922c20a9bb66bb76b6f0e5e4f9229",
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||||
"sha256:7c7f1ec07b227bdc561299fa2328e85000f90179a2f44ea30579d38e037cb3d4",
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||||
"sha256:7c8b1ba1e15c10b13cad4171cfa77f5bb5ec2580abc5a353907780805ebe158e",
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||||
"sha256:8559b94b823f85342e10d3d9ca4ba5478168e1ac5658a8a2f18c991ba9c52c20",
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||||
"sha256:a262c7dfb046f00e12a2bdd1bafaed2408114a89ac414b0af8755c696eb3fc16",
|
||||
"sha256:acce4e3267610c4fdb6632b3886fe3f2f7dd641158a843cf6b6a68e4ce81477b",
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||||
"sha256:be089bb6b83fac7f29d357b2dc4cf2b8eb8d98fe9d9ff89f9ea6012970a853c7",
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||||
"sha256:bfab710d859c779f273cc48fb86af38d6e9210f38287df0069a63e40b45a2f5c",
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||||
"sha256:c10d29019927301d524a22ced72706380de7cfc50f767217485a912b4c8bd82a",
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"sha256:dd6e2b598849b3d7aee2295ac765a578879830fb8966f70be8cd472e6069932e",
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"sha256:e408f1eacc0a68fed0c08da45f31d0ebb38079f043328dce69ff133b95c29dc1"
|
||||
],
|
||||
"version": "==1.4.1"
|
||||
},
|
||||
"mccabe": {
|
||||
"hashes": [
|
||||
"sha256:ab8a6258860da4b6677da4bd2fe5dc2c659cff31b3ee4f7f5d64e79735b80d42",
|
||||
"sha256:dd8d182285a0fe56bace7f45b5e7d1a6ebcbf524e8f3bd87eb0f125271b8831f"
|
||||
],
|
||||
"version": "==0.6.1"
|
||||
},
|
||||
"protobuf": {
|
||||
"hashes": [
|
||||
"sha256:05c36022fef3c7d3562ac22402965c0c2b9fe8421f459bb377323598996e407f",
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||||
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|
||||
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|
||||
"sha256:2ad566b7b7cdd8717c7af1825e19f09e8fef2787b77fcb979588944657679604",
|
||||
"sha256:35cfcf97642ef62108e10a9431c77733ec7eaab8e32fe4653de20403429907cb",
|
||||
"sha256:387822859ecdd012fdc25ec879f7f487da6e1d5b1ae6115e227e6be208836f71",
|
||||
"sha256:4df14cbe1e7134afcfdbb9f058949e31c466de27d9b2f7fb4da9e0b67231b538",
|
||||
"sha256:586c4ca37a7146d4822c700059f150ac3445ce0aef6f3ea258640838bb892dc2",
|
||||
"sha256:58b11e530e954d29ab3180c48dc558a409f705bf16739fd4e0d3e07924ad7add",
|
||||
"sha256:63c8c98ccb8c95f41c18fb829aeeab21c6249adee4ed75354125bdc44488f30e",
|
||||
"sha256:72edcbacd0c73eef507d2ff1af99a6c27df18e66a3ff4351e401182e4de62b03",
|
||||
"sha256:83dc8a561b3b954fd7002c690bb83278b8d1742a1e28abba9aaef28b0c8b437d",
|
||||
"sha256:913171ecc84c2726b86574e40549a0ea619d569657c5a5ff782a3be7d81401a5",
|
||||
"sha256:aabb7c741d3416671c3e6fe7c52970a226e6a8274417a97d7d795f953fadef36",
|
||||
"sha256:b3452bbda12b1cbe2187d416779de07b2ab4c497d83a050e43c344778763721d",
|
||||
"sha256:c5d5b8d4a9212338297fa1fa44589f69b470c0ba1d38168b432d577176b386a8",
|
||||
"sha256:d86ee389c2c4fc3cebabb8ce83a8e97b6b3b5dc727b7419c1ccdc7b6e545a233",
|
||||
"sha256:f2db8c754de788ab8be5e108e1e967c774c0942342b4f8aaaf14063889a6cfdc"
|
||||
],
|
||||
"version": "==3.9.0"
|
||||
},
|
||||
"pylint": {
|
||||
"hashes": [
|
||||
"sha256:5d77031694a5fb97ea95e828c8d10fc770a1df6eb3906067aaed42201a8a6a09",
|
||||
"sha256:723e3db49555abaf9bf79dc474c6b9e2935ad82230b10c1138a71ea41ac0fff1"
|
||||
],
|
||||
"index": "pypi",
|
||||
"version": "==2.3.1"
|
||||
},
|
||||
"python-etcd3": {
|
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"editable": true,
|
||||
"git": "https://github.com/kragniz/python-etcd3",
|
||||
"ref": "cdc4c48bde88a795230a02aa574df84ed9ccfa52"
|
||||
},
|
||||
"six": {
|
||||
"hashes": [
|
||||
"sha256:3350809f0555b11f552448330d0b52d5f24c91a322ea4a15ef22629740f3761c",
|
||||
"sha256:d16a0141ec1a18405cd4ce8b4613101da75da0e9a7aec5bdd4fa804d0e0eba73"
|
||||
],
|
||||
"version": "==1.12.0"
|
||||
},
|
||||
"tenacity": {
|
||||
"hashes": [
|
||||
"sha256:a0c3c5f7ae0c33f5556c775ca059c12d6fd8ab7121613a713e8b7d649908571b",
|
||||
"sha256:b87c1934daa0b2ccc7db153c37b8bf91d12f165936ade8628e7b962b92dc7705"
|
||||
],
|
||||
"version": "==5.0.4"
|
||||
},
|
||||
"typed-ast": {
|
||||
"hashes": [
|
||||
"sha256:18511a0b3e7922276346bcb47e2ef9f38fb90fd31cb9223eed42c85d1312344e",
|
||||
"sha256:262c247a82d005e43b5b7f69aff746370538e176131c32dda9cb0f324d27141e",
|
||||
"sha256:2b907eb046d049bcd9892e3076c7a6456c93a25bebfe554e931620c90e6a25b0",
|
||||
"sha256:354c16e5babd09f5cb0ee000d54cfa38401d8b8891eefa878ac772f827181a3c",
|
||||
"sha256:4e0b70c6fc4d010f8107726af5fd37921b666f5b31d9331f0bd24ad9a088e631",
|
||||
"sha256:630968c5cdee51a11c05a30453f8cd65e0cc1d2ad0d9192819df9978984529f4",
|
||||
"sha256:66480f95b8167c9c5c5c87f32cf437d585937970f3fc24386f313a4c97b44e34",
|
||||
"sha256:71211d26ffd12d63a83e079ff258ac9d56a1376a25bc80b1cdcdf601b855b90b",
|
||||
"sha256:95bd11af7eafc16e829af2d3df510cecfd4387f6453355188342c3e79a2ec87a",
|
||||
"sha256:bc6c7d3fa1325a0c6613512a093bc2a2a15aeec350451cbdf9e1d4bffe3e3233",
|
||||
"sha256:cc34a6f5b426748a507dd5d1de4c1978f2eb5626d51326e43280941206c209e1",
|
||||
"sha256:d755f03c1e4a51e9b24d899561fec4ccaf51f210d52abdf8c07ee2849b212a36",
|
||||
"sha256:d7c45933b1bdfaf9f36c579671fec15d25b06c8398f113dab64c18ed1adda01d",
|
||||
"sha256:d896919306dd0aa22d0132f62a1b78d11aaf4c9fc5b3410d3c666b818191630a",
|
||||
"sha256:ffde2fbfad571af120fcbfbbc61c72469e72f550d676c3342492a9dfdefb8f12"
|
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],
|
||||
"markers": "implementation_name == 'cpython'",
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||||
"version": "==1.4.0"
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},
|
||||
"wrapt": {
|
||||
"hashes": [
|
||||
"sha256:565a021fd19419476b9362b05eeaa094178de64f8361e44468f9e9d7843901e1"
|
||||
],
|
||||
"version": "==1.11.2"
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||||
}
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},
|
||||
"develop": {}
|
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}
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0
__init__.py
Normal file
0
__init__.py
Normal file
39
docs/vm_states.dot
Normal file
39
docs/vm_states.dot
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digraph G{
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subgraph cluster_1 {
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style=filled;
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color=lightgrey;
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node [style=filled,color=white];
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REQUESTED_NEW -> SCHEDULED_DEPLOY [label="assign_host()"];
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SCHEDULED_DEPLOY -> REQUESTED_START [label="create_vm()"];
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label="ucloud-scheduler";
|
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}
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|
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subgraph cluster_2 {
|
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style=filled;
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color=lightgrey;
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node [style=filled,color=white];
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|
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REQUESTED_START -> RUNNING [label="start_vm()"]
|
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RUNNING -> SUSPENDED [label="REQUESTED_SUSPEND"]
|
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RUNNING -> RUNNING [label="REQUESTED_RESUME"]
|
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RUNNING -> SHUTDOWN [label="REQUESTED_SHUTDOWN"]
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SUSPENDED -> RUNNING [label="REQUESTED_RESUME"]
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|
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}
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|
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subgraph cluster_3 {
|
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style=filled;
|
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color=lightgrey;
|
||||
|
||||
SCHEDULED_DEPLOY -> REQUESTED_NEW [label="Host Died"]
|
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REQUESTED_START -> KILLED [label="Host Died"]
|
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RUNNING -> KILLED [label="Host Died OR VM Died"]
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SUSPENDED -> KILLED [label="VM Died"]
|
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SHUTDOWN -> SHUTDOWN [label="VM Died"]
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|
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label="ucloud-vm & ucloud-scheduler";
|
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|
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}
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|
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}
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25
helpers.py
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25
helpers.py
Normal file
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from .etcd3_wrapper import EtcdEntry
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class SpecificEtcdEntryBase(object):
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def __init__(self, e: EtcdEntry):
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self.key = e.key
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for k in e.value.keys():
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self.__setattr__(k, e.value[k])
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def original_keys(self):
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r = dict(self.__dict__)
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del r["key"]
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return r
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@property
|
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def value(self):
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return self.original_keys()
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def __repr__(self):
|
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_return = f"""{self.key}"""
|
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for key in self.original_keys():
|
||||
_return += f",{key} = {self.__getattribute__(key)}"
|
||||
return _return
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56
host.py
Normal file
56
host.py
Normal file
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|
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from .helpers import SpecificEtcdEntryBase
|
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from .etcd3_wrapper import EtcdEntry
|
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from datetime import datetime
|
||||
|
||||
|
||||
class HostStatus(object):
|
||||
alive = "ALIVE"
|
||||
dead = "DEAD"
|
||||
|
||||
|
||||
class HostEntry(SpecificEtcdEntryBase):
|
||||
def __init__(self, e: EtcdEntry):
|
||||
self.specs = dict()
|
||||
self.hostname = ""
|
||||
self.status = ""
|
||||
self.last_heartbeat = ""
|
||||
|
||||
super().__init__(e)
|
||||
|
||||
def update_heartbeat(self):
|
||||
self.status = HostStatus.alive
|
||||
self.last_heartbeat = datetime.utcnow().isoformat()
|
||||
|
||||
def is_alive(self):
|
||||
last_heartbeat = datetime.fromisoformat(self.last_heartbeat)
|
||||
delta = datetime.utcnow() - last_heartbeat
|
||||
if delta.total_seconds() > 60:
|
||||
return False
|
||||
return True
|
||||
|
||||
def declare_dead(self):
|
||||
self.status = HostStatus.dead
|
||||
self.last_heartbeat = datetime.utcnow().isoformat()
|
||||
|
||||
|
||||
class HostPool(object):
|
||||
def __init__(self, etcd_client, host_prefix):
|
||||
self.client = etcd_client
|
||||
self.prefix = host_prefix
|
||||
|
||||
@property
|
||||
def hosts(self):
|
||||
_hosts = self.client.get_prefix(self.prefix, value_in_json=True)
|
||||
return [HostEntry(host) for host in _hosts]
|
||||
|
||||
def get(self, key):
|
||||
v = self.client.get(key, value_in_json=True)
|
||||
return HostEntry(v)
|
||||
|
||||
def put(self, obj: HostEntry):
|
||||
self.client.put(obj.key, obj.value, value_in_json=True)
|
||||
|
||||
def by_status(self, status, _hosts=None):
|
||||
if _hosts is None:
|
||||
_hosts = self.hosts
|
||||
return list(filter(lambda x: x.status == status, _hosts))
|
||||
15
rbd.py
Normal file
15
rbd.py
Normal file
|
|
@ -0,0 +1,15 @@
|
|||
import subprocess
|
||||
|
||||
|
||||
class RBD(object):
|
||||
@staticmethod
|
||||
def ls(pool):
|
||||
output = ""
|
||||
try:
|
||||
output = subprocess.check_output(
|
||||
["rbd", "ls", pool], stderr=subprocess.PIPE
|
||||
).decode("utf-8").strip()
|
||||
except subprocess.CalledProcessError as e:
|
||||
raise Exception(e.stderr)
|
||||
return output.split("\n")
|
||||
|
||||
13
test.py
Normal file
13
test.py
Normal file
|
|
@ -0,0 +1,13 @@
|
|||
from vm import VmPool
|
||||
from etcd3_wrapper import Etcd3Wrapper
|
||||
|
||||
client = Etcd3Wrapper()
|
||||
vm_pool = VmPool(client, "/v1/vm")
|
||||
# vms = vm_pool.by_status("REQUESTED_NEW")
|
||||
# for vm in vms:
|
||||
# print(vm)
|
||||
# print()
|
||||
|
||||
v = vm_pool.get("/v1/vm/8402926c7a164966982eae48b2d6d1a9")
|
||||
# print(dir(v))
|
||||
print(v)
|
||||
87
vm.py
Normal file
87
vm.py
Normal file
|
|
@ -0,0 +1,87 @@
|
|||
from etcd3_wrapper import EtcdEntry
|
||||
from .helpers import SpecificEtcdEntryBase
|
||||
|
||||
|
||||
class VMStatus(object):
|
||||
# Must be only assigned to brand new VM
|
||||
requested_new = "REQUESTED_NEW"
|
||||
|
||||
# Host assigned to VM but not created yet.
|
||||
scheduled_deploy = "SCHEDULED_DEPLOY"
|
||||
|
||||
# Only Assigned to already created vm
|
||||
requested_start = "REQUESTED_START"
|
||||
|
||||
# These all are for running vms
|
||||
requested_shutdown = "REQUESTED_SHUTDOWN"
|
||||
requested_suspend = "REQUESTED_SUSPEND"
|
||||
requested_resume = "REQUESTED_RESUME"
|
||||
requested_migrate = "REQUESTED_MIGRATE"
|
||||
|
||||
# either its image is not found or user requested
|
||||
# to delete it
|
||||
deleted = "DELETED"
|
||||
|
||||
stopped = "STOPPED" # After requested_shutdown
|
||||
killed = "KILLED" # either host died or vm died itself
|
||||
|
||||
running = "RUNNING"
|
||||
suspended = "SUSPENDED"
|
||||
|
||||
|
||||
RUNNING_VM_STATUSES = [VMStatus.requested_shutdown, VMStatus.requested_suspend,
|
||||
VMStatus.requested_resume, VMStatus.requested_migrate,
|
||||
VMStatus.running, VMStatus.suspended]
|
||||
|
||||
|
||||
class VMEntry(SpecificEtcdEntryBase):
|
||||
def __init__(self, e: EtcdEntry):
|
||||
self.owner = ""
|
||||
self.specs = dict()
|
||||
self.hostname = ""
|
||||
self.status = ""
|
||||
self.image_uuid = ""
|
||||
|
||||
super().__init__(e)
|
||||
|
||||
@property
|
||||
def uuid(self):
|
||||
return self.key.split("/")[-1]
|
||||
|
||||
def declare_killed(self):
|
||||
self.hostname = ""
|
||||
if self.status in RUNNING_VM_STATUSES:
|
||||
self.status = VMStatus.killed
|
||||
|
||||
|
||||
class VmPool(object):
|
||||
def __init__(self, etcd_client, vm_prefix):
|
||||
self.client = etcd_client
|
||||
self.prefix = vm_prefix
|
||||
|
||||
@property
|
||||
def vms(self):
|
||||
_vms = self.client.get_prefix(self.prefix, value_in_json=True)
|
||||
return [VMEntry(vm) for vm in _vms]
|
||||
|
||||
def by_host(self, host, _vms=None):
|
||||
if _vms is None:
|
||||
_vms = self.vms
|
||||
return list(filter(lambda x: x.hostname == host, _vms))
|
||||
|
||||
def by_status(self, status, _vms=None):
|
||||
if _vms is None:
|
||||
_vms = self.vms
|
||||
return list(filter(lambda x: x.status == status, _vms))
|
||||
|
||||
def except_status(self, status, _vms=None):
|
||||
if _vms is None:
|
||||
_vms = self.vms
|
||||
return list(filter(lambda x: x.status != status, _vms))
|
||||
|
||||
def get(self, key):
|
||||
v = self.client.get(key, value_in_json=True)
|
||||
return VMEntry(v)
|
||||
|
||||
def put(self, obj: VMEntry):
|
||||
self.client.put(obj.key, obj.value, value_in_json=True)
|
||||
Loading…
Reference in a new issue