3wordchant/capsul-flask
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updating virt_model with email and

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forest 2020-05-10 20:23:00 -05:00
parent 838348a0fb
commit d706ae7761
5 changed files with 93 additions and 29 deletions
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5
capsulflask/db_model.py
View File

@ -31,3 +31,8 @@ class DBModel:
self.connection.commit()
return email
return None
def allVmIds(self,):
self.cursor.execute("SELECT id FROM vms")
return map(lambda x: x[0], self.cursor.fetchall())

21
capsulflask/schema_migrations/02_up_accounts_vms_etc.sql
View File

@ -14,8 +14,9 @@ CREATE TABLE os_images (
CREATE TABLE vm_sizes (
id TEXT PRIMARY KEY NOT NULL,
dollars_per_month NUMERIC(8, 2) NOT NULL,
memory_megabytes INTEGER NOT NULL,
vcpus INTEGER NOT NULL
vcpus INTEGER NOT NULL,
memory_mb INTEGER NOT NULL,
bandwidth_gb_per_month INTEGER NOT NULL
);
CREATE TABLE ssh_public_keys (
@ -31,6 +32,8 @@ CREATE TABLE vms (
email TEXT REFERENCES accounts(email) ON DELETE RESTRICT,
os TEXT REFERENCES os_images(id) ON DELETE RESTRICT,
size TEXT REFERENCES vm_sizes(id) ON DELETE RESTRICT,
last_seen_ipv4 TEXT,
last_seen_ipv6 TEXT,
created TIMESTAMP NOT NULL DEFAULT NOW(),
deleted TIMESTAMP,
UNIQUE (id, email)
@ -68,12 +71,12 @@ VALUES ('debian10', 'debian-10-genericcloud-amd64-20191117-80.qcow2', 'Debian 1
('openbsd66', 'openbsd-cloud-2020-05.qcow2', 'OpenBSD 6.6'),
('guix110', 'guixsystem-cloud-2020-05.qcow2', 'Guix System 1.1.0');
INSERT INTO vm_sizes (id, dollars_per_month, memory_megabytes, vcpus)
VALUES ('f1-s', 5.33, 512, 1),
('f1-m', 7.16, 1024, 1),
('f1-l', 8.92, 2048, 1),
('f1-x', 16.16, 4096, 2),
('f1-xx', 29.66, 8192, 4),
('f1-xxx', 57.58, 16384, 8);
INSERT INTO vm_sizes (id, dollars_per_month, memory_mb, vcpus, bandwidth_gb_per_month)
VALUES ('f1-s', 5.33, 512, 1, 500),
('f1-m', 7.16, 1024, 1, 1000),
('f1-l', 8.92, 2048, 1, 2000),
('f1-x', 16.16, 4096, 2, 4000),
('f1-xx', 29.66, 8192, 4, 8000),
('f1-xxx', 57.58, 16384, 8, 16000);
UPDATE schemaversion SET version = 2;

27
capsulflask/static/style.css
View File

@ -1,3 +1,30 @@
body {
color: #c5c8c6;
font: calc(0.40rem + 1vmin) monospace;
text-align: center;
overflow-y: scroll;
background-color: #241e1e;
}
a {
color:#6CF;
}
a:hover, a:active, a:visited {
color: #b5bd68;
}
header {
display: flex;
}
span.home {
align-self: flex-start;
}
span.account {
align-self: flex-start;
}
.float-right {
display: inline-block;
float: right;

63
capsulflask/virt_model.py
View File

@ -5,6 +5,17 @@ from flask import current_app
from time import sleep
from os.path import join
from subprocess import run
from nanoid import generate
from capsulflask.db import get_model
def makeCapsulId():
lettersAndNumbers = generate(alphabet="1234567890qwertyuiopasdfghjklzxcvbnm", size=10)
return f"capsul-{lettersAndNumbers}"
def validateCapsulId(id):
if not re.match(r"^capsul-[a-z0-9]{10}$", id):
raise ValueError(f"vm id \"{id}\" must match \"^capsul-[a-z0-9]{{10}}$\"")
class VirtualMachine:
def __init__(self, id, ipv4=None, ipv6=None):
@ -19,21 +30,39 @@ class VirtualizationInterface:
def listIds(self) -> list:
pass
def create(self, id: str, template_file_name: str, memory: int, vcpus: int, ssh_public_keys: list) -> VirtualMachine:
def create(self, email: str, template_file_name: str, vcpus: int, memory: int, ssh_public_keys: list) -> VirtualMachine:
pass
def destroy(self, id: str):
def destroy(self, email: str, id: str):
pass
class MockVirtualization(VirtualizationInterface):
def get(self, id):
validateCapsulId(id)
return VirtualMachine(id, ipv4="1.1.1.1")
def listIds(self) -> list:
return get_model().allVmIds()
def create(self, email: str, template_file_name: str, vcpus: int, memory_mb: int, ssh_public_keys: list):
id = makeCapsulId()
print(f"mock create: {id} for {email}")
sleep(5)
return VirtualMachine(id, ipv4="1.1.1.1")
def destroy(self, email: str, id: str):
print(f"mock destroy: {id} for {email}")
class ShellScriptVirtualization(VirtualizationInterface):
def validateId(self, id):
if not re.match(r"^capsul-[a-z0-9]{10}$", id):
raise ValueError(f"vm id \"{id}\" must match \"^capsul-[a-z0-9]{{10}}$\"")
def validateCompletedProcess(self, completedProcess, email=None):
emailPart = ""
if email != None:
emailPart = f"for {email}"
def validateCompletedProcess(self, completedProcess):
if completedProcess.returncode != 0:
raise RuntimeError(f"""{" ".join(completedProcess.args)} failed with exit code {completedProcess.returncode}
raise RuntimeError(f"""{" ".join(completedProcess.args)} failed {emailPart} with exit code {completedProcess.returncode}
stdout:
{completedProcess.stdout}
stderr:
@ -41,7 +70,7 @@ class ShellScriptVirtualization(VirtualizationInterface):
""")
def get(self, id):
self.validateId(id)
validateCapsulId(id)
completedProcess = run([join(current_app.root_path, 'shell_scripts/get.sh'), id], capture_output=True)
self.validateCompletedProcess(completedProcess)
lines = completedProcess.stdout.splitlines()
@ -56,8 +85,8 @@ class ShellScriptVirtualization(VirtualizationInterface):
self.validateCompletedProcess(completedProcess)
return completedProcess.stdout.splitlines()
def create(self, id: str, template_file_name: str, vcpus: int, memory_mb: int, ssh_public_keys: list):
self.validateId(id)
def create(self, email: str, template_file_name: str, vcpus: int, memory_mb: int, ssh_public_keys: list):
id = makeCapsulId()
if not re.match(r"^[a-zA-Z0-9_.-]$", template_file_name):
raise ValueError(f"template_file_name \"{template_file_name}\" must match \"^[a-zA-Z0-9_.-]$\"")
@ -83,7 +112,7 @@ class ShellScriptVirtualization(VirtualizationInterface):
ssh_keys_string
], capture_output=True)
self.validateCompletedProcess(completedProcess)
self.validateCompletedProcess(completedProcess, email)
lines = completedProcess.stdout.splitlines()
vmSettings = f"""
@ -95,7 +124,7 @@ class ShellScriptVirtualization(VirtualizationInterface):
"""
if not lines[len(lines)-1] == "success":
raise ValueError(f"""failed to create vm with:
raise ValueError(f"""failed to create vm for {email} with:
{vmSettings}
stdout:
{completedProcess.stdout}
@ -115,18 +144,18 @@ class ShellScriptVirtualization(VirtualizationInterface):
if result != None:
return result
raise TimeoutError(f"""timed out waiting for vm to obtain an IP address:
raise TimeoutError(f"""timed out waiting for vm {id} ({email}) to obtain an IP address:
{vmSettings}
""")
def destroy(self, id: str):
self.validateId(id)
def destroy(self, email: str, id: str):
validateCapsulId(id)
completedProcess = run([join(current_app.root_path, 'shell_scripts/destroy.sh'), id], capture_output=True)
self.validateCompletedProcess(completedProcess)
self.validateCompletedProcess(completedProcess, email)
lines = completedProcess.stdout.splitlines()
if not lines[len(lines)-1] == "success":
raise ValueError(f"""failed to destroy vm "{id}":
raise ValueError(f"""failed to destroy vm "{id}" for {email}:
stdout:
{completedProcess.stdout}
stderr: