forked from renovatebot/renovate
/
extract.ts
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/
extract.ts
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import * as datasourceGitTags from '../../datasource/git-tags';
import * as datasourceGithubTags from '../../datasource/github-tags';
import * as datasourceTerraformModule from '../../datasource/terraform-module';
import * as datasourceTerraformProvider from '../../datasource/terraform-provider';
import { logger } from '../../logger';
import { SkipReason } from '../../types';
import { isValid, isVersion } from '../../versioning/hashicorp';
import { PackageDependency, PackageFile } from '../common';
export enum TerraformDependencyTypes {
unknown = 'unknown',
module = 'module',
provider = 'provider',
required_providers = 'required_providers',
}
export function getTerraformDependencyType(
value: string
): TerraformDependencyTypes {
switch (value) {
case 'module': {
return TerraformDependencyTypes.module;
}
case 'provider': {
return TerraformDependencyTypes.provider;
}
case 'required_providers': {
return TerraformDependencyTypes.required_providers;
}
default: {
return TerraformDependencyTypes.unknown;
}
}
}
const dependencyBlockExtractionRegex = /^\s*(?<type>module|provider|required_providers)\s+("(?<lookupName>[^"]+)"\s+)?{\s*$/;
const keyValueExtractionRegex = /^\s*(?<key>[^\s]+)\s+=\s+"(?<value>[^"]+)"\s*$/; // extracts `exampleKey = exampleValue`
export function extractPackageFile(content: string): PackageFile | null {
logger.trace({ content }, 'terraform.extractPackageFile()');
if (
!content.includes('module "') &&
!content.includes('provider "') &&
!content.includes('required_providers ')
) {
return null;
}
const deps: PackageDependency[] = [];
try {
const lines = content.split('\n');
for (let lineNumber = 0; lineNumber < lines.length; lineNumber += 1) {
let line = lines[lineNumber];
const terraformDependency = dependencyBlockExtractionRegex.exec(line);
if (terraformDependency) {
logger.trace(
`Matched ${terraformDependency.groups.type} on line ${lineNumber}`
);
const tfDepType = getTerraformDependencyType(
terraformDependency.groups.type
);
if (tfDepType === TerraformDependencyTypes.unknown) {
/* istanbul ignore next */ logger.warn(
`Could not identify TerraformDependencyType ${terraformDependency.groups.type} on line ${lineNumber}.`
);
} else if (tfDepType === TerraformDependencyTypes.required_providers) {
do {
const dep: PackageDependency = {
managerData: {
terraformDependencyType: tfDepType,
},
};
lineNumber += 1;
line = lines[lineNumber];
const kvMatch = keyValueExtractionRegex.exec(line);
if (kvMatch) {
dep.currentValue = kvMatch.groups.value;
dep.managerData.moduleName = kvMatch.groups.key;
dep.managerData.versionLine = lineNumber;
deps.push(dep);
}
} while (line.trim() !== '}');
} else {
const dep: PackageDependency = {
managerData: {
moduleName: terraformDependency.groups.lookupName,
terraformDependencyType: tfDepType,
},
};
do {
lineNumber += 1;
line = lines[lineNumber];
const kvMatch = keyValueExtractionRegex.exec(line);
if (kvMatch) {
if (kvMatch.groups.key === 'version') {
dep.currentValue = kvMatch.groups.value;
dep.managerData.versionLine = lineNumber;
} else if (kvMatch.groups.key === 'source') {
dep.managerData.source = kvMatch.groups.value;
dep.managerData.sourceLine = lineNumber;
}
}
} while (line.trim() !== '}');
deps.push(dep);
}
}
}
} catch (err) /* istanbul ignore next */ {
logger.warn({ err }, 'Error extracting buildkite plugins');
}
deps.forEach((dep) => {
if (
dep.managerData.terraformDependencyType ===
TerraformDependencyTypes.module
) {
const githubRefMatch = /github.com(\/|:)([^/]+\/[a-z0-9-.]+).*\?ref=(.*)$/.exec(
dep.managerData.source
);
const gitTagsRefMatch = /git::((?:http|https|ssh):\/\/(?:.*@)?(.*.*\/(.*\/.*)))\?ref=(.*)$/.exec(
dep.managerData.source
);
/* eslint-disable no-param-reassign */
if (githubRefMatch) {
const depNameShort = githubRefMatch[2].replace(/\.git$/, '');
dep.depType = 'github';
dep.depName = 'github.com/' + depNameShort;
dep.depNameShort = depNameShort;
dep.currentValue = githubRefMatch[3];
dep.datasource = datasourceGithubTags.id;
dep.lookupName = depNameShort;
if (!isVersion(dep.currentValue)) {
dep.skipReason = SkipReason.UnsupportedVersion;
}
} else if (gitTagsRefMatch) {
dep.depType = 'gitTags';
if (gitTagsRefMatch[2].includes('//')) {
logger.debug('Terraform module contains subdirectory');
dep.depName = gitTagsRefMatch[2].split('//')[0];
dep.depNameShort = dep.depName.split(/\/(.+)/)[1];
const tempLookupName = gitTagsRefMatch[1].split('//');
dep.lookupName = tempLookupName[0] + '//' + tempLookupName[1];
} else {
dep.depName = gitTagsRefMatch[2].replace('.git', '');
dep.depNameShort = gitTagsRefMatch[3].replace('.git', '');
dep.lookupName = gitTagsRefMatch[1];
}
dep.currentValue = gitTagsRefMatch[4];
dep.datasource = datasourceGitTags.id;
if (!isVersion(dep.currentValue)) {
dep.skipReason = SkipReason.UnsupportedVersion;
}
} else if (dep.managerData.source) {
const moduleParts = dep.managerData.source.split('//')[0].split('/');
if (moduleParts[0] === '..') {
dep.skipReason = SkipReason.Local;
} else if (moduleParts.length >= 3) {
dep.depType = 'terraform';
dep.depName = moduleParts.join('/');
dep.depNameShort = dep.depName;
dep.datasource = datasourceTerraformModule.id;
}
} else {
logger.debug({ dep }, 'terraform dep has no source');
dep.skipReason = SkipReason.NoSource;
}
} else if (
dep.managerData.terraformDependencyType ===
TerraformDependencyTypes.provider ||
dep.managerData.terraformDependencyType ===
TerraformDependencyTypes.required_providers
) {
dep.depType = 'terraform';
dep.depName = dep.managerData.moduleName;
dep.depNameShort = dep.managerData.moduleName;
dep.datasource = datasourceTerraformProvider.id;
if (dep.managerData.versionLine) {
if (!isValid(dep.currentValue)) {
dep.skipReason = SkipReason.UnsupportedVersion;
}
} else if (!dep.skipReason) {
dep.skipReason = SkipReason.NoVersion;
}
}
delete dep.managerData;
/* eslint-enable no-param-reassign */
});
if (deps.some((dep) => dep.skipReason !== 'local')) {
return { deps };
}
return null;
}