first try at creating VirtualizationInterface
This commit is contained in:
parent
7fe0d9a9c5
commit
426fad7b10
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@ -49,17 +49,17 @@ def login():
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current_app.config["FLASK_MAIL_INSTANCE"].send(
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Message(
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"Click This Link to Login to Capsul",
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body=f"""
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Navigate to {link} to log into capsul.
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"Click This Link to Login to Capsul",
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body=f"""
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Navigate to {link} to log into capsul.
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If you didn't request this, ignore this message.
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""",
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html=f"""
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<p>Navigate to <a href="{link}">{link}</a> to log into capsul.</p>
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<p>If you didn't request this, ignore this message.</p>
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""",
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recipients=[email]
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If you didn't request this, ignore this message.
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""",
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html=f"""
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<p>Navigate to <a href="{link}">{link}</a> to log into capsul.</p>
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<p>If you didn't request this, ignore this message.</p>
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""",
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recipients=[email]
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)
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)
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@ -8,7 +8,7 @@ from psycopg2 import pool
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from flask import current_app
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from flask import g
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from capsulflask.model import Model
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from capsulflask.db_model import DBModel
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def init_app(app):
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databaseUrl = urlparse(app.config['DATABASE_URL'])
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@ -111,8 +111,8 @@ def get_model():
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if 'model' not in g:
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connection = current_app.config['PSYCOPG2_CONNECTION_POOL'].getconn()
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cursor = connection.cursor()
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g.model = Model(connection, cursor)
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return g.model
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g.db_model = DBModel(connection, cursor)
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return g.db_model
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def close_db(e=None):
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@ -0,0 +1,33 @@
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from nanoid import generate
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class DBModel:
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def __init__(self, connection, cursor):
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self.connection = connection
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self.cursor = cursor
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def login(self, email):
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self.cursor.execute("SELECT * FROM accounts WHERE email = %s", (email, ))
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if len(self.cursor.fetchall()) == 0:
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self.cursor.execute("INSERT INTO accounts (email) VALUES (%s)", (email, ))
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self.cursor.execute("SELECT token FROM login_tokens WHERE email = %s", (email, ))
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if len(self.cursor.fetchall()) > 2:
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return None
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token = generate()
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self.cursor.execute("INSERT INTO login_tokens (email, token) VALUES (%s, %s)", (email, token))
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self.connection.commit()
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return token
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def consumeToken(self, token):
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self.cursor.execute("SELECT email FROM login_tokens WHERE token = %s", (token, ))
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rows = self.cursor.fetchall()
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if len(rows) > 0:
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email = rows[0][0]
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self.cursor.execute("DELETE FROM login_tokens WHERE email = %s", (email, ))
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self.connection.commit()
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return email
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return None
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@ -1,9 +1,17 @@
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DROP TABLE payments;
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DROP TABLE logintokens;
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DROP TABLE login_tokens;
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DROP TABLE vm_ssh_public_key;
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DROP TABLE vms;
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DROP TABLE vm_sizes;
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DROP TABLE os_images;
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DROP TABLE ssh_public_keys;
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DROP TABLE accounts;
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UPDATE schemaversion SET version = 1;
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@ -1,15 +1,48 @@
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CREATE TABLE accounts (
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email TEXT PRIMARY KEY NOT NULL,
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created TIMESTAMP NOT NULL DEFAULT NOW()
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email TEXT PRIMARY KEY NOT NULL,
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created TIMESTAMP NOT NULL DEFAULT NOW()
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);
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CREATE TABLE os_images (
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id TEXT PRIMARY KEY NOT NULL,
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template_image_file_name TEXT NOT NULL,
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description TEXT NOT NULL
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);
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CREATE TABLE vm_sizes (
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id TEXT PRIMARY KEY NOT NULL,
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dollars_per_month NUMERIC(8, 2) NOT NULL,
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memory_megabytes INTEGER NOT NULL,
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vcpus INTEGER NOT NULL
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);
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CREATE TABLE ssh_public_keys (
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id SERIAL PRIMARY KEY,
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email TEXT REFERENCES accounts(email) ON DELETE RESTRICT,
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name TEXT NOT NULL,
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content TEXT NOT NULL,
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UNIQUE (id, email)
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);
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CREATE TABLE vms (
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id TEXT PRIMARY KEY NOT NULL,
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email TEXT REFERENCES accounts(email) ON DELETE RESTRICT,
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created TIMESTAMP NOT NULL DEFAULT NOW(),
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deleted TIMESTAMP NOT NULL
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id TEXT PRIMARY KEY NOT NULL,
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email TEXT REFERENCES accounts(email) ON DELETE RESTRICT,
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os TEXT REFERENCES os_images(id) ON DELETE RESTRICT,
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size TEXT REFERENCES vm_sizes(id) ON DELETE RESTRICT,
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created TIMESTAMP NOT NULL DEFAULT NOW(),
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deleted TIMESTAMP,
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UNIQUE (id, email)
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);
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CREATE TABLE vm_ssh_public_key (
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ssh_public_key_id INTEGER NOT NULL,
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email TEXT NOT NULL,
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vm_id TEXT NOT NULL,
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FOREIGN KEY (email, ssh_public_key_id) REFERENCES ssh_public_keys(email, id) ON DELETE RESTRICT,
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FOREIGN KEY (email, vm_id) REFERENCES vms(email, id) ON DELETE RESTRICT,
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PRIMARY KEY (email, vm_id, ssh_public_key_id)
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);
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CREATE TABLE payments (
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@ -19,11 +52,28 @@ CREATE TABLE payments (
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PRIMARY KEY (email, created)
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);
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CREATE TABLE logintokens (
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CREATE TABLE login_tokens (
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email TEXT REFERENCES accounts(email) ON DELETE RESTRICT,
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created TIMESTAMP NOT NULL DEFAULT NOW(),
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token TEXT NOT NULL,
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PRIMARY KEY (email, created)
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);
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INSERT INTO os_images (id, template_image_file_name, description)
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VALUES ('debian10', 'debian-10-genericcloud-amd64-20191117-80.qcow2', 'Debian 10 (Buster)'),
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('centos7', 'CentOS-7-x86_64-GenericCloud.qcow2', 'CentOS 7'),
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('centos8', 'CentOS-8-GenericCloud-8.1.1911-20200113.3.x86_64.qcow2', 'CentOS 8'),
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('ubuntu18', 'ubuntu-18.04-minimal-cloudimg-amd64.img', 'Ubuntu 18.04 LTS (Bionic Beaver)'),
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('alpine311', 'alpine-cloud-2020-04-18.qcow2', 'Alpine Linux 3.11'),
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('openbsd66', 'openbsd-cloud-2020-05.qcow2', 'OpenBSD 6.6'),
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('guix110', 'guixsystem-cloud-2020-05.qcow2', 'Guix System 1.1.0');
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INSERT INTO vm_sizes (id, dollars_per_month, memory_megabytes, vcpus)
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VALUES ('f1-s', 5.33, 512, 1),
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('f1-m', 7.16, 1024, 1),
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('f1-l', 8.92, 2048, 1),
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('f1-x', 16.16, 4096, 2),
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('f1-xx', 29.66, 8192, 4),
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('f1-xxx', 57.58, 16384, 8);
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UPDATE schemaversion SET version = 2;
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@ -0,0 +1,79 @@
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#!/bin/sh -e
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#
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# create VMs for the capsul service
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# developed by Cyberia Heavy Industries
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# POSIX or die
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vmname="$1"
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template_file="/tank/img/$2"
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vcpus="$3"
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memory="$4"
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pubkeys="$5"
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root_voume_size="25G"
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if echo "$vmname" | grep -vqE '^capsul-[a-z0-9]{10}$'; then
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echo "vmname $vmname must match "'"^capsul-[a-z0-9]{10}$"'
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exit 1
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fi
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if [ ! -f "$template_file" ]; then
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echo "template $template_file not found"
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exit 1
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fi
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if echo "$vcpus" | grep -vqE "^[0-9]+$"; then
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echo "vcpus \"$vcpus\" must be an integer"
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exit 1
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fi
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if echo "$memory" | grep -vqE "^[0-9]+$"; then
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echo "memory \"$memory\" must be an integer"
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exit 1
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fi
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echo "$pubkeys" | while IFS= read -r line; do
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if echo "$line" | grep -vqE "^(ssh|ecdsa)-[0-9A-Za-z+/_=@ -]+$"; then
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echo "pubkey \"$line\" must match "'"^(ssh|ecdsa)-[0-9A-Za-z+/_=@ -]+$"'
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exit 1
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fi
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done
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disk="/tank/vm/$vmname.qcow2"
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cdrom="/tank/vm/$vmname.iso"
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xml="/tank/vm/$vmname.xml"
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if [ -f /tank/vm/$vmname.qcow2 ]; then
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echo "Randomly generated name matched an existing VM! Odds are like one in a billion. Buy a lotto ticket."
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exit 1
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fi
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qemu-img create -f qcow2 -b "$template_file" "$disk"
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cp /tank/config/cyberia-cloudinit.yml /tmp/cloudinit.yml
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echo "$pubkeys" | while IFS= read -r line; do
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echo " - $line" >> /tmp/cloudinit.yml
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done
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cloud-localds "$cdrom" /tmp/cloudinit.yml
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qemu-img resize "$disk" "$root_voume_size"
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virt-install \
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--memory "$memory" \
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--vcpus "$vcpus" \
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--name "$vmname" \
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--disk "$disk",bus=virtio \
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--disk "$cdrom",device=cdrom \
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--os-type Linux \
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--os-variant generic \
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--virt-type kvm \
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--graphics vnc,listen=127.0.0.1 \
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--network network=public1,filterref=clean-traffic,model=virtio \
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--import \
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--print-xml > "$xml"
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# --network network=public6,filterref=clean-traffic,model=virtio
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chmod 0600 "$xml" "$disk" "$cdrom"
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virsh define "$xml"
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virsh start "$vmname"
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echo "success"
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@ -0,0 +1,48 @@
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#!/bin/sh
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three_dots() {
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printf '.'
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sleep 0.01
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printf '.'
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sleep 0.01
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printf '.\n'
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}
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vmname="$1"
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if echo "$vmname" | grep -vqE '^capsul-[a-z0-9]{10}$'; then
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echo "vmname $vmname must match "'"^capsul-[a-z0-9]{10}$"'
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exit 1
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fi
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echo "deleting $vmname:"
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count=$(ls /tank/vm/$vmname* 2> /dev/null | wc -l)
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if [ "$count" -gt 3 ]; then
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echo "too many files found, exiting cowardly:"
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echo "$(ls /tank/vm/$vmname*)"
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exit 1
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fi
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virsh list --name --all | grep -q -E "^$vmname$"
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if [ "$?" -eq 1 ]; then
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echo "Error: $vmname not found"
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exit 1
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fi
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virsh list --name --state-running | grep -q -E "^$vmname$"
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if [ "$?" -eq 0 ]; then
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printf ' stopping vm'; three_dots
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virsh destroy "$vmname" > /dev/null
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fi
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printf ' undefining xml.'; three_dots
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if ! [ -f "/tank/vm/$vmname.qcow2" ]; then
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echo "/tank/vm/$vmname.qcow2 is not a file, exiting cowardly"
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exit 1
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fi
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virsh undefine "$vmname" > /dev/null
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printf ' deleting disks.' ; three_dots
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rm /tank/vm/$vmname*
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echo "success"
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@ -0,0 +1,16 @@
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#!/bin/sh
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vmname="$1"
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if echo "$vmname" | grep -vqE '^capsul-[a-z0-9]{10}$'; then
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echo "vmname $vmname must match "'"^capsul-[a-z0-9]{10}$"'
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exit 1
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fi
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if virsh list --name --all | grep -vqE "^$vmname$" ; then
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echo "Error: $vmname not found"
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exit 1
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fi
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# this gets the ipv4
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virsh domifaddr "$vmname" | awk '/vnet/ {print $4}' | cut -d'/' -f1
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@ -0,0 +1,3 @@
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#!/bin/sh
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virsh list --all | grep running | grep -v ' Id' | grep -v -- '----' | awk '{print $2}' | sort
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@ -3,7 +3,7 @@
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<head>
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<meta charset="utf-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<title>{% block title %}{% endblock %}{% if self.title() %} - {% endif %}capsul</title>
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<title>{% block title %}{% endblock %}{% if self.title() %} - {% endif %}capsul💊</title>
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<link rel="shortcut icon" href="/favicon.ico" />
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<link rel="apple-touch-icon" href="/icon.png" />
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@ -0,0 +1,134 @@
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import subprocess
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import re
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from flask import current_app
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from time import sleep
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from os.path import join
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from subprocess import run
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class VirtualMachine:
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def __init__(self, id, ipv4=None, ipv6=None):
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self.id = id
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self.ipv4 = ipv4
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self.ipv6 = ipv6
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class VirtualizationInterface:
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def get(self, id: str) -> VirtualMachine:
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pass
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def listIds(self) -> list:
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pass
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def create(self, id: str, template_file_name: str, memory: int, vcpus: int, ssh_public_keys: list) -> VirtualMachine:
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pass
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def destroy(self, id: str):
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pass
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class ShellScriptVirtualization(VirtualizationInterface):
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def validateId(self, id):
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if not re.match(r"^capsul-[a-z0-9]{10}$", id):
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raise ValueError(f"vm id \"{id}\" must match \"^capsul-[a-z0-9]{{10}}$\"")
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def validateCompletedProcess(self, completedProcess):
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if completedProcess.returncode != 0:
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raise RuntimeError(f"""{" ".join(completedProcess.args)} failed with exit code {completedProcess.returncode}
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stdout:
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{completedProcess.stdout}
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stderr:
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{completedProcess.stderr}
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""")
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def get(self, id):
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self.validateId(id)
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completedProcess = run([join(current_app.root_path, 'shell_scripts/get.sh'), id], capture_output=True)
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self.validateCompletedProcess(completedProcess)
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lines = completedProcess.stdout.splitlines()
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if not re.match(r"^([0-9]{1,3}\.){3}[0-9]{1,3}$", lines[0]):
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return None
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return VirtualMachine(id, ipv4=lines[0])
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def listIds(self) -> list:
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completedProcess = run([join(current_app.root_path, 'shell_scripts/listIds.sh')], capture_output=True)
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self.validateCompletedProcess(completedProcess)
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return completedProcess.stdout.splitlines()
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def create(self, id: str, template_file_name: str, vcpus: int, memory_mb: int, ssh_public_keys: list):
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self.validateId(id)
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if not re.match(r"^[a-zA-Z0-9_.-]$", template_file_name):
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raise ValueError(f"template_file_name \"{template_file_name}\" must match \"^[a-zA-Z0-9_.-]$\"")
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for ssh_public_key in ssh_public_keys:
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if not re.match(r"^(ssh|ecdsa)-[0-9A-Za-z+/_=@ -]+$", ssh_public_key):
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raise ValueError(f"ssh_public_key \"{ssh_public_key}\" must match \"^(ssh|ecdsa)-[0-9A-Za-z+/_=@ -]+$\"")
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if vcpus < 1 or vcpus > 8:
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raise ValueError(f"vcpus \"{vcpus}\" must match 1 <= vcpus <= 8")
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if memory_mb < 512 or memory_mb > 16384:
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raise ValueError(f"memory_mb \"{memory_mb}\" must match 512 <= memory_mb <= 16384")
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ssh_keys_string = "\n".join(ssh_public_keys)
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completedProcess = run([
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join(current_app.root_path, 'shell_scripts/create.sh'),
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id,
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template_file_name,
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str(vcpus),
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str(memory_mb),
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ssh_keys_string
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], capture_output=True)
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self.validateCompletedProcess(completedProcess)
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lines = completedProcess.stdout.splitlines()
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vmSettings = f"""
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id={id}
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template_file_name={template_file_name}
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vcpus={str(vcpus)}
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memory={str(memory_mb)}
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ssh_public_keys={ssh_keys_string}
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"""
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if not lines[len(lines)-1] == "success":
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raise ValueError(f"""failed to create vm with:
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{vmSettings}
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stdout:
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{completedProcess.stdout}
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stderr:
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{completedProcess.stderr}
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""")
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for _ in range(0, 10):
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sleep(6)
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result = self.get(id)
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if result != None:
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return result
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for _ in range(0, 10):
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sleep(60)
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result = self.get(id)
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if result != None:
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return result
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raise TimeoutError(f"""timed out waiting for vm to obtain an IP address:
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{vmSettings}
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||||
""")
|
||||
|
||||
def destroy(self, id: str):
|
||||
self.validateId(id)
|
||||
completedProcess = run([join(current_app.root_path, 'shell_scripts/destroy.sh'), id], capture_output=True)
|
||||
self.validateCompletedProcess(completedProcess)
|
||||
lines = completedProcess.stdout.splitlines()
|
||||
|
||||
if not lines[len(lines)-1] == "success":
|
||||
raise ValueError(f"""failed to destroy vm "{id}":
|
||||
stdout:
|
||||
{completedProcess.stdout}
|
||||
stderr:
|
||||
{completedProcess.stderr}
|
||||
""")
|
||||
Loading…
Reference in New Issue