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server.go
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// Copyright 2017 HootSuite Media Inc.
//
// 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.
// Modified hereafter by contributors to runatlantis/atlantis.
package cmd
import (
"fmt"
"net/url"
"os"
"path/filepath"
"strings"
homedir "github.com/mitchellh/go-homedir"
"github.com/moby/moby/pkg/fileutils"
"github.com/pkg/errors"
"github.com/spf13/cobra"
"github.com/spf13/viper"
"github.com/runatlantis/atlantis/server"
"github.com/runatlantis/atlantis/server/core/config/valid"
"github.com/runatlantis/atlantis/server/events/command"
"github.com/runatlantis/atlantis/server/events/vcs/bitbucketcloud"
"github.com/runatlantis/atlantis/server/logging"
)
// To add a new flag you must:
// 1. Add a const with the flag name (in alphabetic order).
// 2. Add a new field to server.UserConfig and set the mapstructure tag equal to the flag name.
// 3. Add your flag's description etc. to the stringFlags, intFlags, or boolFlags slices.
const (
// Flag names.
ADWebhookPasswordFlag = "azuredevops-webhook-password" // nolint: gosec
ADWebhookUserFlag = "azuredevops-webhook-user"
ADTokenFlag = "azuredevops-token" // nolint: gosec
ADUserFlag = "azuredevops-user"
ADHostnameFlag = "azuredevops-hostname"
AllowCommandsFlag = "allow-commands"
AllowForkPRsFlag = "allow-fork-prs"
AllowRepoConfigFlag = "allow-repo-config"
AtlantisURLFlag = "atlantis-url"
AutomergeFlag = "automerge"
AutoplanModules = "autoplan-modules"
AutoplanModulesFromProjects = "autoplan-modules-from-projects"
AutoplanFileListFlag = "autoplan-file-list"
BitbucketBaseURLFlag = "bitbucket-base-url"
BitbucketTokenFlag = "bitbucket-token"
BitbucketUserFlag = "bitbucket-user"
BitbucketWebhookSecretFlag = "bitbucket-webhook-secret"
ConfigFlag = "config"
CheckoutStrategyFlag = "checkout-strategy"
DataDirFlag = "data-dir"
DefaultTFVersionFlag = "default-tf-version"
DisableApplyAllFlag = "disable-apply-all"
DisableApplyFlag = "disable-apply"
DisableAutoplanFlag = "disable-autoplan"
DisableMarkdownFoldingFlag = "disable-markdown-folding"
DisableRepoLockingFlag = "disable-repo-locking"
DiscardApprovalOnPlanFlag = "discard-approval-on-plan"
EnablePolicyChecksFlag = "enable-policy-checks"
EnableRegExpCmdFlag = "enable-regexp-cmd"
EnableDiffMarkdownFormat = "enable-diff-markdown-format"
ExecutableName = "executable-name"
GHHostnameFlag = "gh-hostname"
GHTeamAllowlistFlag = "gh-team-allowlist"
GHTokenFlag = "gh-token"
GHUserFlag = "gh-user"
GHAppIDFlag = "gh-app-id"
GHAppKeyFlag = "gh-app-key"
GHAppKeyFileFlag = "gh-app-key-file"
GHAppSlugFlag = "gh-app-slug"
GHOrganizationFlag = "gh-org"
GHWebhookSecretFlag = "gh-webhook-secret" // nolint: gosec
GHAllowMergeableBypassApply = "gh-allow-mergeable-bypass-apply" // nolint: gosec
GitlabHostnameFlag = "gitlab-hostname"
GitlabTokenFlag = "gitlab-token"
GitlabUserFlag = "gitlab-user"
GitlabWebhookSecretFlag = "gitlab-webhook-secret" // nolint: gosec
APISecretFlag = "api-secret"
HidePrevPlanComments = "hide-prev-plan-comments"
QuietPolicyChecks = "quiet-policy-checks"
LockingDBType = "locking-db-type"
LogLevelFlag = "log-level"
MarkdownTemplateOverridesDirFlag = "markdown-template-overrides-dir"
ParallelPoolSize = "parallel-pool-size"
StatsNamespace = "stats-namespace"
AllowDraftPRs = "allow-draft-prs"
PortFlag = "port"
RedisDB = "redis-db"
RedisHost = "redis-host"
RedisPassword = "redis-password"
RedisPort = "redis-port"
RedisTLSEnabled = "redis-tls-enabled"
RedisInsecureSkipVerify = "redis-insecure-skip-verify"
RepoConfigFlag = "repo-config"
RepoConfigJSONFlag = "repo-config-json"
// RepoWhitelistFlag is deprecated for RepoAllowlistFlag.
RepoWhitelistFlag = "repo-whitelist"
RepoAllowlistFlag = "repo-allowlist"
RequireApprovalFlag = "require-approval"
RequireMergeableFlag = "require-mergeable"
SilenceNoProjectsFlag = "silence-no-projects"
SilenceForkPRErrorsFlag = "silence-fork-pr-errors"
SilenceVCSStatusNoPlans = "silence-vcs-status-no-plans"
SilenceAllowlistErrorsFlag = "silence-allowlist-errors"
// SilenceWhitelistErrorsFlag is deprecated for SilenceAllowlistErrorsFlag.
SilenceWhitelistErrorsFlag = "silence-whitelist-errors"
SkipCloneNoChanges = "skip-clone-no-changes"
SlackTokenFlag = "slack-token"
SSLCertFileFlag = "ssl-cert-file"
SSLKeyFileFlag = "ssl-key-file"
RestrictFileList = "restrict-file-list"
TFDownloadFlag = "tf-download"
TFDownloadURLFlag = "tf-download-url"
VarFileAllowlistFlag = "var-file-allowlist"
VCSStatusName = "vcs-status-name"
TFEHostnameFlag = "tfe-hostname"
TFELocalExecutionModeFlag = "tfe-local-execution-mode"
TFETokenFlag = "tfe-token"
WriteGitCredsFlag = "write-git-creds" // nolint: gosec
WebBasicAuthFlag = "web-basic-auth"
WebUsernameFlag = "web-username"
WebPasswordFlag = "web-password"
WebsocketCheckOrigin = "websocket-check-origin"
// NOTE: Must manually set these as defaults in the setDefaults function.
DefaultADBasicUser = ""
DefaultADBasicPassword = ""
DefaultADHostname = "dev.azure.com"
DefaultAutoplanFileList = "**/*.tf,**/*.tfvars,**/*.tfvars.json,**/terragrunt.hcl,**/.terraform.lock.hcl"
DefaultAllowCommands = "version,plan,apply,unlock,approve_policies"
DefaultCheckoutStrategy = "branch"
DefaultBitbucketBaseURL = bitbucketcloud.BaseURL
DefaultDataDir = "~/.atlantis"
DefaultExecutableName = "atlantis"
DefaultMarkdownTemplateOverridesDir = "~/.markdown_templates"
DefaultGHHostname = "github.com"
DefaultGitlabHostname = "gitlab.com"
DefaultLockingDBType = "boltdb"
DefaultLogLevel = "info"
DefaultParallelPoolSize = 15
DefaultStatsNamespace = "atlantis"
DefaultPort = 4141
DefaultRedisDB = 0
DefaultRedisPort = 6379
DefaultRedisTLSEnabled = false
DefaultRedisInsecureSkipVerify = false
DefaultTFDownloadURL = "https://releases.hashicorp.com"
DefaultTFDownload = true
DefaultTFEHostname = "app.terraform.io"
DefaultVCSStatusName = "atlantis"
DefaultWebBasicAuth = false
DefaultWebUsername = "atlantis"
DefaultWebPassword = "atlantis"
)
var stringFlags = map[string]stringFlag{
ADTokenFlag: {
description: "Azure DevOps token of API user. Can also be specified via the ATLANTIS_AZUREDEVOPS_TOKEN environment variable.",
},
ADUserFlag: {
description: "Azure DevOps username of API user.",
},
ADWebhookPasswordFlag: {
description: "Azure DevOps basic HTTP authentication password for inbound webhooks " +
"(see https://docs.microsoft.com/en-us/azure/devops/service-hooks/authorize?view=azure-devops)." +
" SECURITY WARNING: If not specified, Atlantis won't be able to validate that the incoming webhook call came from your Azure DevOps org. " +
"This means that an attacker could spoof calls to Atlantis and cause it to perform malicious actions. " +
"Should be specified via the ATLANTIS_AZUREDEVOPS_WEBHOOK_PASSWORD environment variable.",
defaultValue: "",
},
ADWebhookUserFlag: {
description: "Azure DevOps basic HTTP authentication username for inbound webhooks.",
defaultValue: "",
},
ADHostnameFlag: {
description: "Azure DevOps hostname to support cloud and self hosted instances.",
defaultValue: "dev.azure.com",
},
AllowCommandsFlag: {
description: "Comma separated list of acceptable atlantis commands.",
defaultValue: DefaultAllowCommands,
},
AtlantisURLFlag: {
description: "URL that Atlantis can be reached at. Defaults to http://$(hostname):$port where $port is from --" + PortFlag + ". Supports a base path ex. https://example.com/basepath.",
},
AutoplanModulesFromProjects: {
description: "Comma separated list of file patterns to select projects Atlantis will index for module dependencies." +
" Indexed projects will automatically be planned if a module they depend on is modified." +
" Patterns use the dockerignore (https://docs.docker.com/engine/reference/builder/#dockerignore-file) syntax." +
" A custom Workflow that uses autoplan 'when_modified' will ignore this value.",
defaultValue: "",
},
AutoplanFileListFlag: {
description: "Comma separated list of file patterns that Atlantis will use to check if a directory contains modified files that should trigger project planning." +
" Patterns use the dockerignore (https://docs.docker.com/engine/reference/builder/#dockerignore-file) syntax." +
" Use single quotes to avoid shell expansion of '*'. Defaults to '" + DefaultAutoplanFileList + "'." +
" A custom Workflow that uses autoplan 'when_modified' will ignore this value.",
defaultValue: DefaultAutoplanFileList,
},
BitbucketUserFlag: {
description: "Bitbucket username of API user.",
},
BitbucketTokenFlag: {
description: "Bitbucket app password of API user. Can also be specified via the ATLANTIS_BITBUCKET_TOKEN environment variable.",
},
BitbucketBaseURLFlag: {
description: "Base URL of Bitbucket Server (aka Stash) installation." +
" Must include 'http://' or 'https://'." +
" If using Bitbucket Cloud (bitbucket.org), do not set.",
defaultValue: DefaultBitbucketBaseURL,
},
BitbucketWebhookSecretFlag: {
description: "Secret used to validate Bitbucket webhooks. Only Bitbucket Server supports webhook secrets." +
" SECURITY WARNING: If not specified, Atlantis won't be able to validate that the incoming webhook call came from Bitbucket. " +
"This means that an attacker could spoof calls to Atlantis and cause it to perform malicious actions. " +
"Should be specified via the ATLANTIS_BITBUCKET_WEBHOOK_SECRET environment variable.",
},
CheckoutStrategyFlag: {
description: "How to check out pull requests. Accepts either 'branch' (default) or 'merge'." +
" If set to branch, Atlantis will check out the source branch of the pull request." +
" If set to merge, Atlantis will check out the destination branch of the pull request (ex. main, master)" +
" and then locally perform a git merge of the source branch." +
" This effectively means Atlantis operates on the repo as it will look" +
" after the pull request is merged.",
defaultValue: "branch",
},
ConfigFlag: {
description: "Path to yaml config file where flag values can also be set.",
},
DataDirFlag: {
description: "Path to directory to store Atlantis data.",
defaultValue: DefaultDataDir,
},
ExecutableName: {
description: "Comment command executable name.",
defaultValue: DefaultExecutableName,
},
GHHostnameFlag: {
description: "Hostname of your Github Enterprise installation. If using github.com, no need to set.",
defaultValue: DefaultGHHostname,
},
GHTeamAllowlistFlag: {
description: "Comma separated list of key-value pairs representing the GitHub teams and the operations that " +
"the members of a particular team are allowed to perform. " +
"The format is {team}:{command},{team}:{command}. " +
"Valid values for 'command' are 'plan', 'apply' and '*', e.g. 'dev:plan,ops:apply,devops:*'" +
"This example gives the users from the 'dev' GitHub team the permissions to execute the 'plan' command, " +
"the 'ops' team the permissions to execute the 'apply' command, " +
"and allows the 'devops' team to perform any operation. If this argument is not provided, the default value (*:*) " +
"will be used and the default behavior will be to not check permissions " +
"and to allow users from any team to perform any operation.",
},
GHUserFlag: {
description: "GitHub username of API user.",
defaultValue: "",
},
GHTokenFlag: {
description: "GitHub token of API user. Can also be specified via the ATLANTIS_GH_TOKEN environment variable.",
},
GHAppKeyFlag: {
description: "The GitHub App's private key",
defaultValue: "",
},
GHAppKeyFileFlag: {
description: "A path to a file containing the GitHub App's private key",
defaultValue: "",
},
GHAppSlugFlag: {
description: "The Github app slug (ie. the URL-friendly name of your GitHub App)",
},
GHOrganizationFlag: {
description: "The name of the GitHub organization to use during the creation of a Github App for Atlantis",
defaultValue: "",
},
GHWebhookSecretFlag: {
description: "Secret used to validate GitHub webhooks (see https://developer.github.com/webhooks/securing/)." +
" SECURITY WARNING: If not specified, Atlantis won't be able to validate that the incoming webhook call came from GitHub. " +
"This means that an attacker could spoof calls to Atlantis and cause it to perform malicious actions. " +
"Should be specified via the ATLANTIS_GH_WEBHOOK_SECRET environment variable.",
},
GitlabHostnameFlag: {
description: "Hostname of your GitLab Enterprise installation. If using gitlab.com, no need to set.",
defaultValue: DefaultGitlabHostname,
},
GitlabUserFlag: {
description: "GitLab username of API user.",
},
GitlabTokenFlag: {
description: "GitLab token of API user. Can also be specified via the ATLANTIS_GITLAB_TOKEN environment variable.",
},
GitlabWebhookSecretFlag: {
description: "Optional secret used to validate GitLab webhooks." +
" SECURITY WARNING: If not specified, Atlantis won't be able to validate that the incoming webhook call came from GitLab. " +
"This means that an attacker could spoof calls to Atlantis and cause it to perform malicious actions. " +
"Should be specified via the ATLANTIS_GITLAB_WEBHOOK_SECRET environment variable.",
},
APISecretFlag: {
description: "Secret to validate requests made to the API",
},
LockingDBType: {
description: "The locking database type to use for storing plan and apply locks.",
defaultValue: DefaultLockingDBType,
},
LogLevelFlag: {
description: "Log level. Either debug, info, warn, or error.",
defaultValue: DefaultLogLevel,
},
MarkdownTemplateOverridesDirFlag: {
description: "Directory for custom overrides to the markdown templates used for comments.",
defaultValue: DefaultMarkdownTemplateOverridesDir,
},
StatsNamespace: {
description: "Namespace for aggregating stats.",
defaultValue: DefaultStatsNamespace,
},
RedisHost: {
description: "The Redis Hostname for when using a Locking DB type of 'redis'.",
},
RedisPassword: {
description: "The Redis Password for when using a Locking DB type of 'redis'.",
},
RepoConfigFlag: {
description: "Path to a repo config file, used to customize how Atlantis runs on each repo. See runatlantis.io/docs for more details.",
},
RepoConfigJSONFlag: {
description: "Specify repo config as a JSON string. Useful if you don't want to write a config file to disk.",
},
RepoAllowlistFlag: {
description: "Comma separated list of repositories that Atlantis will operate on. " +
"The format is {hostname}/{owner}/{repo}, ex. github.com/runatlantis/atlantis. '*' matches any characters until the next comma. Examples: " +
"all repos: '*' (not secure), an entire hostname: 'internalgithub.com/*' or an organization: 'github.com/runatlantis/*'." +
" For Bitbucket Server, {owner} is the name of the project (not the key).",
},
RepoWhitelistFlag: {
description: "[Deprecated for --repo-allowlist].",
hidden: true,
},
SlackTokenFlag: {
description: "API token for Slack notifications.",
},
SSLCertFileFlag: {
description: "File containing x509 Certificate used for serving HTTPS. If the cert is signed by a CA, the file should be the concatenation of the server's certificate, any intermediates, and the CA's certificate.",
},
SSLKeyFileFlag: {
description: fmt.Sprintf("File containing x509 private key matching --%s.", SSLCertFileFlag),
},
TFDownloadURLFlag: {
description: "Base URL to download Terraform versions from.",
defaultValue: DefaultTFDownloadURL,
},
TFEHostnameFlag: {
description: "Hostname of your Terraform Enterprise installation. If using Terraform Cloud no need to set.",
defaultValue: DefaultTFEHostname,
},
TFETokenFlag: {
description: "API token for Terraform Cloud/Enterprise. This will be used to generate a ~/.terraformrc file." +
" Only set if using TFC/E as a remote backend." +
" Should be specified via the ATLANTIS_TFE_TOKEN environment variable for security.",
},
DefaultTFVersionFlag: {
description: "Terraform version to default to (ex. v0.12.0). Will download if not yet on disk." +
" If not set, Atlantis uses the terraform binary in its PATH.",
},
VarFileAllowlistFlag: {
description: "Comma-separated list of additional paths where variable definition files can be read from." +
" If this argument is not provided, it defaults to Atlantis' data directory, determined by the --data-dir argument.",
},
VCSStatusName: {
description: "Name used to identify Atlantis for pull request statuses.",
defaultValue: DefaultVCSStatusName,
},
WebUsernameFlag: {
description: "Username used for Web Basic Authentication on Atlantis HTTP Middleware",
defaultValue: DefaultWebUsername,
},
WebPasswordFlag: {
description: "Password used for Web Basic Authentication on Atlantis HTTP Middleware",
defaultValue: DefaultWebPassword,
},
}
var boolFlags = map[string]boolFlag{
AllowForkPRsFlag: {
description: "Allow Atlantis to run on pull requests from forks. A security issue for public repos.",
defaultValue: false,
},
AllowRepoConfigFlag: {
description: "Allow repositories to use atlantis.yaml files to customize the commands Atlantis runs." +
" Should only be enabled in a trusted environment since it enables a pull request to run arbitrary commands" +
" on the Atlantis server.",
defaultValue: false,
hidden: true,
},
AutoplanModules: {
description: "Automatically plan projects that have a changed module from the local repository.",
defaultValue: false,
},
AutomergeFlag: {
description: "Automatically merge pull requests when all plans are successfully applied.",
defaultValue: false,
},
DisableApplyAllFlag: {
description: "Disable \"atlantis apply\" command without any flags (i.e. apply all). A specific project/workspace/directory has to be specified for applies.",
defaultValue: false,
},
DisableApplyFlag: {
description: "Disable all \"atlantis apply\" command regardless of which flags are passed with it.",
defaultValue: false,
},
DisableAutoplanFlag: {
description: "Disable atlantis auto planning feature",
defaultValue: false,
},
DisableRepoLockingFlag: {
description: "Disable atlantis locking repos",
},
DiscardApprovalOnPlanFlag: {
description: "Enables the discarding of approval if a new plan has been executed. Currently only Github is supported",
defaultValue: false,
},
EnablePolicyChecksFlag: {
description: "Enable atlantis to run user defined policy checks. This is explicitly disabled for TFE/TFC backends since plan files are inaccessible.",
defaultValue: false,
},
EnableRegExpCmdFlag: {
description: "Enable Atlantis to use regular expressions on plan/apply commands when \"-p\" flag is passed with it.",
defaultValue: false,
},
EnableDiffMarkdownFormat: {
description: "Enable Atlantis to format Terraform plan output into a markdown-diff friendly format for color-coding purposes.",
defaultValue: false,
},
GHAllowMergeableBypassApply: {
description: "Feature flag to enable functionality to allow mergeable check to ignore apply required check",
defaultValue: false,
},
AllowDraftPRs: {
description: "Enable autoplan for Github Draft Pull Requests",
defaultValue: false,
},
HidePrevPlanComments: {
description: "Hide previous plan comments to reduce clutter in the PR. " +
"VCS support is limited to: GitHub.",
defaultValue: false,
},
QuietPolicyChecks: {
description: "Exclude policy check comments from pull requests unless there's an actual error from conftest. This also excludes warnings.",
defaultValue: false,
},
RedisTLSEnabled: {
description: "Enable TLS on the connection to Redis with a min TLS version of 1.2",
defaultValue: DefaultRedisTLSEnabled,
},
RedisInsecureSkipVerify: {
description: "Controls whether the Redis client verifies the Redis server's certificate chain and host name. If true, accepts any certificate presented by the server and any host name in that certificate.",
defaultValue: DefaultRedisInsecureSkipVerify,
},
RequireApprovalFlag: {
description: "Require pull requests to be \"Approved\" before allowing the apply command to be run.",
defaultValue: false,
hidden: true,
},
RequireMergeableFlag: {
description: "Require pull requests to be mergeable before allowing the apply command to be run.",
defaultValue: false,
hidden: true,
},
SilenceNoProjectsFlag: {
description: "Silences Atlants from responding to PRs when it finds no projects.",
defaultValue: false,
},
SilenceForkPRErrorsFlag: {
description: "Silences the posting of fork pull requests not allowed error comments.",
defaultValue: false,
},
SilenceVCSStatusNoPlans: {
description: "Silences VCS commit status when autoplan finds no projects to plan.",
defaultValue: false,
},
SilenceAllowlistErrorsFlag: {
description: "Silences the posting of allowlist error comments.",
defaultValue: false,
},
SilenceWhitelistErrorsFlag: {
description: "[Deprecated for --silence-allowlist-errors].",
defaultValue: false,
hidden: true,
},
DisableMarkdownFoldingFlag: {
description: "Toggle off folding in markdown output.",
defaultValue: false,
},
WriteGitCredsFlag: {
description: "Write out a .git-credentials file with the provider user and token to allow cloning private modules over HTTPS or SSH." +
" This writes secrets to disk and should only be enabled in a secure environment.",
defaultValue: false,
},
SkipCloneNoChanges: {
description: "Skips cloning the PR repo if there are no projects were changed in the PR.",
defaultValue: false,
},
TFDownloadFlag: {
description: "Allow Atlantis to list & download Terraform versions. Setting this to false can be helpful in air-gapped environments.",
defaultValue: DefaultTFDownload,
},
TFELocalExecutionModeFlag: {
description: "Enable if you're using local execution mode (instead of TFE/C's remote execution mode).",
defaultValue: false,
},
WebBasicAuthFlag: {
description: "Switches on or off the Basic Authentication on the HTTP Middleware interface",
defaultValue: DefaultWebBasicAuth,
},
RestrictFileList: {
description: "Block plan requests from projects outside the files modified in the pull request.",
defaultValue: false,
},
WebsocketCheckOrigin: {
description: "Enable websocket origin check",
defaultValue: false,
},
}
var intFlags = map[string]intFlag{
ParallelPoolSize: {
description: "Max size of the wait group that runs parallel plans and applies (if enabled).",
defaultValue: DefaultParallelPoolSize,
},
PortFlag: {
description: "Port to bind to.",
defaultValue: DefaultPort,
},
RedisDB: {
description: "The Redis Database to use when using a Locking DB type of 'redis'.",
defaultValue: DefaultRedisDB,
},
RedisPort: {
description: "The Redis Port for when using a Locking DB type of 'redis'.",
defaultValue: DefaultRedisPort,
},
}
var int64Flags = map[string]int64Flag{
GHAppIDFlag: {
description: "GitHub App Id. If defined, initializes the GitHub client with app-based credentials",
defaultValue: 0,
},
}
// ValidLogLevels are the valid log levels that can be set
var ValidLogLevels = []string{"debug", "info", "warn", "error"}
type stringFlag struct {
description string
defaultValue string
hidden bool
}
type intFlag struct {
description string
defaultValue int
hidden bool
}
type int64Flag struct {
description string
defaultValue int64
hidden bool
}
type boolFlag struct {
description string
defaultValue bool
hidden bool
}
// ServerCmd is an abstraction that helps us test. It allows
// us to mock out starting the actual server.
type ServerCmd struct {
ServerCreator ServerCreator
Viper *viper.Viper
// SilenceOutput set to true means nothing gets printed.
// Useful for testing to keep the logs clean.
SilenceOutput bool
AtlantisVersion string
Logger logging.SimpleLogging
}
// ServerCreator creates servers.
// It's an abstraction to help us test.
type ServerCreator interface {
NewServer(userConfig server.UserConfig, config server.Config) (ServerStarter, error)
}
// DefaultServerCreator is the concrete implementation of ServerCreator.
type DefaultServerCreator struct{}
// ServerStarter is for starting up a server.
// It's an abstraction to help us test.
type ServerStarter interface {
Start() error
}
// NewServer returns the real Atlantis server object.
func (d *DefaultServerCreator) NewServer(userConfig server.UserConfig, config server.Config) (ServerStarter, error) {
return server.NewServer(userConfig, config)
}
// Init returns the runnable cobra command.
func (s *ServerCmd) Init() *cobra.Command {
c := &cobra.Command{
Use: "server",
Short: "Start the atlantis server",
Long: `Start the atlantis server and listen for webhook calls.`,
SilenceErrors: true,
SilenceUsage: true,
PreRunE: s.withErrPrint(func(cmd *cobra.Command, args []string) error {
return s.preRun()
}),
RunE: s.withErrPrint(func(cmd *cobra.Command, args []string) error {
return s.run()
}),
}
// Configure viper to accept env vars prefixed with ATLANTIS_ that can be
// used instead of flags.
s.Viper.SetEnvPrefix("ATLANTIS")
s.Viper.SetEnvKeyReplacer(strings.NewReplacer("-", "_"))
s.Viper.AutomaticEnv()
s.Viper.SetTypeByDefaultValue(true)
c.SetUsageTemplate(usageTmpl(stringFlags, intFlags, boolFlags))
// If a user passes in an invalid flag, tell them what the flag was.
c.SetFlagErrorFunc(func(c *cobra.Command, err error) error {
s.printErr(err)
return err
})
// Set string flags.
for name, f := range stringFlags {
usage := f.description
if f.defaultValue != "" {
usage = fmt.Sprintf("%s (default %q)", usage, f.defaultValue)
}
c.Flags().String(name, "", usage+"\n")
s.Viper.BindPFlag(name, c.Flags().Lookup(name)) // nolint: errcheck
if f.hidden {
c.Flags().MarkHidden(name) // nolint: errcheck
}
}
// Set int flags.
for name, f := range intFlags {
usage := f.description
if f.defaultValue != 0 {
usage = fmt.Sprintf("%s (default %d)", usage, f.defaultValue)
}
c.Flags().Int(name, 0, usage+"\n")
if f.hidden {
c.Flags().MarkHidden(name) // nolint: errcheck
}
s.Viper.BindPFlag(name, c.Flags().Lookup(name)) // nolint: errcheck
}
// Set int64 flags.
for name, f := range int64Flags {
usage := f.description
if f.defaultValue != 0 {
usage = fmt.Sprintf("%s (default %d)", usage, f.defaultValue)
}
c.Flags().Int(name, 0, usage+"\n")
if f.hidden {
c.Flags().MarkHidden(name) // nolint: errcheck
}
s.Viper.BindPFlag(name, c.Flags().Lookup(name)) // nolint: errcheck
}
// Set bool flags.
for name, f := range boolFlags {
c.Flags().Bool(name, f.defaultValue, f.description+"\n")
if f.hidden {
c.Flags().MarkHidden(name) // nolint: errcheck
}
s.Viper.BindPFlag(name, c.Flags().Lookup(name)) // nolint: errcheck
}
return c
}
func (s *ServerCmd) preRun() error {
// If passed a config file then try and load it.
configFile := s.Viper.GetString(ConfigFlag)
if configFile != "" {
s.Viper.SetConfigFile(configFile)
if err := s.Viper.ReadInConfig(); err != nil {
return errors.Wrapf(err, "invalid config: reading %s", configFile)
}
}
return nil
}
func (s *ServerCmd) run() error {
var userConfig server.UserConfig
if err := s.Viper.Unmarshal(&userConfig); err != nil {
return err
}
s.setDefaults(&userConfig)
// Now that we've parsed the config we can set our local logger to the
// right level.
s.Logger.SetLevel(userConfig.ToLogLevel())
if err := s.validate(userConfig); err != nil {
return err
}
if err := s.setAtlantisURL(&userConfig); err != nil {
return err
}
if err := s.setDataDir(&userConfig); err != nil {
return err
}
if err := s.setMarkdownTemplateOverridesDir(&userConfig); err != nil {
return err
}
s.setVarFileAllowlist(&userConfig)
if err := s.deprecationWarnings(&userConfig); err != nil {
return err
}
s.securityWarnings(&userConfig)
s.trimAtSymbolFromUsers(&userConfig)
// Config looks good. Start the server.
server, err := s.ServerCreator.NewServer(userConfig, server.Config{
AllowForkPRsFlag: AllowForkPRsFlag,
AtlantisURLFlag: AtlantisURLFlag,
AtlantisVersion: s.AtlantisVersion,
DefaultTFVersionFlag: DefaultTFVersionFlag,
RepoConfigJSONFlag: RepoConfigJSONFlag,
SilenceForkPRErrorsFlag: SilenceForkPRErrorsFlag,
})
if err != nil {
return errors.Wrap(err, "initializing server")
}
return server.Start()
}
func (s *ServerCmd) setDefaults(c *server.UserConfig) {
if c.AzureDevOpsHostname == "" {
c.AzureDevOpsHostname = DefaultADHostname
}
if c.AutoplanFileList == "" {
c.AutoplanFileList = DefaultAutoplanFileList
}
if c.AllowCommands == "" {
c.AllowCommands = DefaultAllowCommands
}
if c.CheckoutStrategy == "" {
c.CheckoutStrategy = DefaultCheckoutStrategy
}
if c.DataDir == "" {
c.DataDir = DefaultDataDir
}
if c.GithubHostname == "" {
c.GithubHostname = DefaultGHHostname
}
if c.GitlabHostname == "" {
c.GitlabHostname = DefaultGitlabHostname
}
if c.BitbucketBaseURL == "" {
c.BitbucketBaseURL = DefaultBitbucketBaseURL
}
if c.ExecutableName == "" {
c.ExecutableName = DefaultExecutableName
}
if c.LockingDBType == "" {
c.LockingDBType = DefaultLockingDBType
}
if c.LogLevel == "" {
c.LogLevel = DefaultLogLevel
}
if c.MarkdownTemplateOverridesDir == "" {
c.MarkdownTemplateOverridesDir = DefaultMarkdownTemplateOverridesDir
}
if c.ParallelPoolSize == 0 {
c.ParallelPoolSize = DefaultParallelPoolSize
}
if c.StatsNamespace == "" {
c.StatsNamespace = DefaultStatsNamespace
}
if c.Port == 0 {
c.Port = DefaultPort
}
if c.RedisDB == 0 {
c.RedisDB = DefaultRedisDB
}
if c.RedisPort == 0 {
c.RedisPort = DefaultRedisPort
}
if c.TFDownloadURL == "" {
c.TFDownloadURL = DefaultTFDownloadURL
}
if c.VCSStatusName == "" {
c.VCSStatusName = DefaultVCSStatusName
}
if c.TFEHostname == "" {
c.TFEHostname = DefaultTFEHostname
}
if c.WebUsername == "" {
c.WebUsername = DefaultWebUsername
}
if c.WebPassword == "" {
c.WebPassword = DefaultWebPassword
}
}
func (s *ServerCmd) validate(userConfig server.UserConfig) error {
userConfig.LogLevel = strings.ToLower(userConfig.LogLevel)
if !isValidLogLevel(userConfig.LogLevel) {
return fmt.Errorf("invalid log level: must be one of %v", ValidLogLevels)
}
checkoutStrategy := userConfig.CheckoutStrategy
if checkoutStrategy != "branch" && checkoutStrategy != "merge" {
return errors.New("invalid checkout strategy: not one of branch or merge")
}
if (userConfig.SSLKeyFile == "") != (userConfig.SSLCertFile == "") {
return fmt.Errorf("--%s and --%s are both required for ssl", SSLKeyFileFlag, SSLCertFileFlag)
}
// The following combinations are valid.
// 1. github user and token set
// 2. github app ID and (key file set or key set)
// 3. gitlab user and token set
// 4. bitbucket user and token set
// 5. azuredevops user and token set
// 6. any combination of the above
vcsErr := fmt.Errorf("--%s/--%s or --%s/--%s or --%s/--%s or --%s/--%s or --%s/--%s or --%s/--%s must be set", GHUserFlag, GHTokenFlag, GHAppIDFlag, GHAppKeyFileFlag, GHAppIDFlag, GHAppKeyFlag, GitlabUserFlag, GitlabTokenFlag, BitbucketUserFlag, BitbucketTokenFlag, ADUserFlag, ADTokenFlag)
if ((userConfig.GithubUser == "") != (userConfig.GithubToken == "")) || ((userConfig.GitlabUser == "") != (userConfig.GitlabToken == "")) || ((userConfig.BitbucketUser == "") != (userConfig.BitbucketToken == "")) || ((userConfig.AzureDevopsUser == "") != (userConfig.AzureDevopsToken == "")) {
return vcsErr
}
if (userConfig.GithubAppID != 0) && ((userConfig.GithubAppKey == "") && (userConfig.GithubAppKeyFile == "")) {
return vcsErr
}
if (userConfig.GithubAppID == 0) && ((userConfig.GithubAppKey != "") || (userConfig.GithubAppKeyFile != "")) {
return vcsErr
}
// At this point, we know that there can't be a single user/token without
// its partner, but we haven't checked if any user/token is set at all.
if userConfig.GithubAppID == 0 && userConfig.GithubUser == "" && userConfig.GitlabUser == "" && userConfig.BitbucketUser == "" && userConfig.AzureDevopsUser == "" {
return vcsErr
}
// Handle deprecation of repo whitelist.
if userConfig.RepoWhitelist == "" && userConfig.RepoAllowlist == "" {
return fmt.Errorf("--%s must be set for security purposes", RepoAllowlistFlag)
}
if userConfig.RepoAllowlist != "" && userConfig.RepoWhitelist != "" {
return fmt.Errorf("both --%s and --%s cannot be set–use --%s", RepoAllowlistFlag, RepoWhitelistFlag, RepoAllowlistFlag)
}
if strings.Contains(userConfig.RepoWhitelist, "://") {
return fmt.Errorf("--%s cannot contain ://, should be hostnames only", RepoWhitelistFlag)
}
if strings.Contains(userConfig.RepoAllowlist, "://") {
return fmt.Errorf("--%s cannot contain ://, should be hostnames only", RepoAllowlistFlag)
}
if userConfig.SilenceAllowlistErrors && userConfig.SilenceWhitelistErrors {
return fmt.Errorf("both --%s and --%s cannot be set–use --%s", SilenceAllowlistErrorsFlag, SilenceWhitelistErrorsFlag, SilenceAllowlistErrorsFlag)
}
if userConfig.BitbucketBaseURL == DefaultBitbucketBaseURL && userConfig.BitbucketWebhookSecret != "" {
return fmt.Errorf("--%s cannot be specified for Bitbucket Cloud because it is not supported by Bitbucket", BitbucketWebhookSecretFlag)
}
parsed, err := url.Parse(userConfig.BitbucketBaseURL)
if err != nil {
return fmt.Errorf("error parsing --%s flag value %q: %s", BitbucketWebhookSecretFlag, userConfig.BitbucketBaseURL, err)
}
if parsed.Scheme != "http" && parsed.Scheme != "https" {
return fmt.Errorf("--%s must have http:// or https://, got %q", BitbucketBaseURLFlag, userConfig.BitbucketBaseURL)
}
if userConfig.RepoConfig != "" && userConfig.RepoConfigJSON != "" {
return fmt.Errorf("cannot use --%s and --%s at the same time", RepoConfigFlag, RepoConfigJSONFlag)
}
// Warn if any tokens have newlines.
for name, token := range map[string]string{
GHTokenFlag: userConfig.GithubToken,
GHWebhookSecretFlag: userConfig.GithubWebhookSecret,
GitlabTokenFlag: userConfig.GitlabToken,
GitlabWebhookSecretFlag: userConfig.GitlabWebhookSecret,
BitbucketTokenFlag: userConfig.BitbucketToken,
BitbucketWebhookSecretFlag: userConfig.BitbucketWebhookSecret,
} {
if strings.Contains(token, "\n") {
s.Logger.Warn("--%s contains a newline which is usually unintentional", name)
}
}
if userConfig.TFEHostname != DefaultTFEHostname && userConfig.TFEToken == "" {
return fmt.Errorf("if setting --%s, must set --%s", TFEHostnameFlag, TFETokenFlag)
}
_, patternErr := fileutils.NewPatternMatcher(strings.Split(userConfig.AutoplanFileList, ","))
if patternErr != nil {
return errors.Wrapf(patternErr, "invalid pattern in --%s, %s", AutoplanFileListFlag, userConfig.AutoplanFileList)
}
if _, err := userConfig.ToAllowCommandNames(); err != nil {
return errors.Wrapf(err, "invalid --%s", AllowCommandsFlag)
}
return nil
}
// setAtlantisURL sets the externally accessible URL for atlantis.
func (s *ServerCmd) setAtlantisURL(userConfig *server.UserConfig) error {
if userConfig.AtlantisURL == "" {
hostname, err := os.Hostname()
if err != nil {
return errors.Wrap(err, "failed to determine hostname")
}
userConfig.AtlantisURL = fmt.Sprintf("http://%s:%d", hostname, userConfig.Port)
}
return nil
}
// setDataDir checks if ~ was used in data-dir and converts it to the actual
// home directory. If we don't do this, we'll create a directory called "~"
// instead of actually using home. It also converts relative paths to absolute.
func (s *ServerCmd) setDataDir(userConfig *server.UserConfig) error {
finalPath := userConfig.DataDir
// Convert ~ to the actual home dir.
if strings.HasPrefix(finalPath, "~/") {
var err error
finalPath, err = homedir.Expand(finalPath)
if err != nil {
return errors.Wrap(err, "determining home directory")
}
}
// Convert relative paths to absolute.
finalPath, err := filepath.Abs(finalPath)
if err != nil {
return errors.Wrap(err, "making data-dir absolute")
}
userConfig.DataDir = finalPath
return nil
}
// setMarkdownTemplateOverridesDir checks if ~ was used in markdown-template-overrides-dir and converts it to the actual
// home directory. If we don't do this, we'll create a directory called "~"
// instead of actually using home. It also converts relative paths to absolute.
func (s *ServerCmd) setMarkdownTemplateOverridesDir(userConfig *server.UserConfig) error {
finalPath := userConfig.MarkdownTemplateOverridesDir
// Convert ~ to the actual home dir.
if strings.HasPrefix(finalPath, "~/") {
var err error
finalPath, err = homedir.Expand(finalPath)
if err != nil {
return errors.Wrap(err, "determining home directory")
}
}
// Convert relative paths to absolute.
finalPath, err := filepath.Abs(finalPath)
if err != nil {
return errors.Wrap(err, "making markdown-template-overrides-dir absolute")
}
userConfig.MarkdownTemplateOverridesDir = finalPath
return nil
}
// setVarFileAllowlist checks if var-file-allowlist is unassigned and makes it default to data-dir for better backward
// compatibility.
func (s *ServerCmd) setVarFileAllowlist(userConfig *server.UserConfig) {
if userConfig.VarFileAllowlist == "" {
userConfig.VarFileAllowlist = userConfig.DataDir
}
}
// trimAtSymbolFromUsers trims @ from the front of the github and gitlab usernames
func (s *ServerCmd) trimAtSymbolFromUsers(userConfig *server.UserConfig) {
userConfig.GithubUser = strings.TrimPrefix(userConfig.GithubUser, "@")
userConfig.GitlabUser = strings.TrimPrefix(userConfig.GitlabUser, "@")
userConfig.BitbucketUser = strings.TrimPrefix(userConfig.BitbucketUser, "@")
userConfig.AzureDevopsUser = strings.TrimPrefix(userConfig.AzureDevopsUser, "@")
}
func (s *ServerCmd) securityWarnings(userConfig *server.UserConfig) {